Power unit and electronic apparatus equipped with power unit

• US 5,796,240 A
• Filed: 02/22/1996
• Issued: 08/18/1998
• Est. Priority Date: 02/22/1995
• Status: Expired due to Term

• Current Assignee: Seiko Instruments Incorporated (Seiko Group)
• Original Assignee: Seiko Instruments Incorporated (Seiko Group)
• Inventors: Saito, Yutaka, Shinogi, Masataka, Kato, Kenji
• Primary Examiner(s): Stephan, Steven L.
• Assistant Examiner(s): Ponomarenko, Nicholas
• Application Number:
  US08/605,735
• Time in Patent Office: 908 Days
• Field of Search: 322/99, 322/29, 322/10, 290/44, 320/5
• US Class Current: 322/10
• CPC Class Codes: H01M 10/42 Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells H01M10/60 takes precedence
• CPC Class Codes: H01M 10/46 Accumulators structurally combined with charging apparatus circuits for charging H02J7/00
• CPC Class Codes: H01M 50/216 adapted for button or coin cells
• CPC Class Codes: H02K 19/22 having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators
• CPC Class Codes: H02K 3/26 consisting of printed conductors
• CPC Class Codes: H02K 3/28 Layout of windings or of connections between windings windings for pole-changing H02K17/06, H02K17/14, H02K19/12, H02K19/32
• CPC Class Codes: H02K 7/1004 with pulleys
• CPC Class Codes: H02K 7/12 with auxiliary limited movement of stators, rotors or core parts, e.g. rotors axially movable for the purpose of clutching or braking
• CPC Class Codes: H02K 7/1853 driven by intermittent forces
• CPC Class Codes: H02N 1/08 with conductive charge carrier, i.e. capacitor machines
• CPC Class Codes: H02P 2101/10 for water-driven turbines
• CPC Class Codes: H02P 9/305 controlling voltage H02P9/302 takes precedence
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

A power unit comprises an input mechanism for inputting kinetic energy as a rotary motion, a storing mechanism connected to the input mechanism for storing the kinetic energy as rotary motion, a first speed-regulating mechanism connected to the storing mechanism for increasing the speed of the rotary motion released from the storing mechanism, and a second speed-regulating mechanism connected to the first speed-regulating mechanism for braking the rotary motion to regulate the speed of the rotary motion. A converting mechanism is connected to the first speed-regulating mechanism for converting the rotary motion whose speed has been increased into electricity. A control circuit is connected to the converting mechanism for controlling the generated electricity, and a positive electrode output terminal and a ground electrode terminal are connected to the control circuit.

Claims

1. A power unit, comprising:

an input mechanism for inputting kinetic energy as a rotary motion;

a speed-regulating mechanism connected to the input mechanism for increasing the speed of the rotary motion;

a converting mechanism connected to the speed-regulating mechanism for converting the rotary motion whose speed has been increased into electricity;

a control circuit connected to the converting mechanism for controlling the generated electricity;

a secondary cell connected to the control circuit; and

a positive electrode output terminal and a ground electrode terminal connected to the control circuit;

wherein a speed increasing factor in the speed-regulating mechanism is set at a value of from 50 to 100 times that of the input rotation;

wherein the electricity generated by the converting mechanism is a direct current;

wherein the control circuit comprises a series rectifier element having an anode terminal connected with an output of the converting mechanism and a cathode terminal connected with the positive electrode output terminal in series between the converting mechanism and the positive electrode output terminal, and a parallel rectifier element having a cathode terminal connected between the converting mechanism and the series rectifier element and an anode terminal connected to the ground electrode terminal; and

wherein a positive electrode of the secondary cell is connected with the cathode terminal of the series rectifier element, and a negative electrode of the secondary cell is connected with the ground electrode terminal.

2. A power unit according to claim 1;

wherein a reverse withstand voltage of the parallel rectifier element is 1.8±

0.15 V.

3. A power unit according to claim 1;

wherein at least one of the series rectifier element and the parallel element is composed of a MOS transistor.

4. A power unit according to claim 2;

wherein at least one of the series rectifier element and the parallel element is composed of a MOS transistor.

5. A power unit according to claim 1;

wherein the series rectifier element has a constant-voltage outputting mechanism comprising a reference voltage section, an error amplifying circuit, an output voltage feedback resistor, a MOS transistor having a floating transistor substrate, and a GND terminal.

6. An electronic apparatus comprising:

a power unit according to claim 1;

an electrical load connected to the positive electrode output terminal of the power unit; and

a first rectifier element in series with the converting mechanism and the electrical load, an anode terminal of the first rectifier element being output from a Vgen output terminal for simultaneously monitoring a power voltage via a second rectifier element to stop the electronic apparatus when the power voltage becomes lower than a predetermined voltage, and changing a set value of a reset voltage corresponding to a voltage of the Vgen output terminal.

7. An electronic apparatus comprising:

a power unit according to claim 5;

an electrical load connected to the positive electrode output terminal of the power unit; and

a first rectifier element in series with the converting mechanism and the electrical load, an anode terminal of the first rectifier element being output from a Vgen output terminal for simultaneously monitoring a power voltage via a second rectifier element to stop the electronic apparatus when the power voltage becomes lower than a predetermined voltage, and changing a set value of a reset voltage corresponding to a voltage of the Vgen output terminal.

20. An electronic equipment comprising a power unit as set forth in claim 6;

wherein the storing mechanism comprises a spiral spring.

8. A power unit, comprising:

an input mechanism for inputting kinetic energy as a rotary motion;

a storing mechanism connected to the input mechanism for storing the kinetic energy as the rotary motion;

a first speed-regulating mechanism connected to the storing mechanism for increasing the speed of the rotary motion rotation released out of the storing mechanism;

a second speed-regulating mechanism connected to the first speed-regulating mechanism for braking the rotary motion to regulate the speed of the rotary motion;

a converting mechanism connected to the first speed-regulating mechanism for converting the rotary motion whose speed has been increased into electricity, the converting mechanism comprising an armature having opposite sides and a plurality of field magnetons magnetized into a plurality of poles for rotation and movement on the opposite sides of the armature, the armature comprising a semiconductor substrate, an insulating film disposed on the semiconductor substrate, and a plurality of wired layer coil elements disposed on the the insulating film;

a control circuit connected to the converting mechanism for controlling the generated electricity; and

a positive electrode output terminal and a ground electrode terminal connected to the control circuit.

9. A power unit according to claim 8;

wherein the control circuit electrically controls the first speed-regulating mechanism according to a voltage of the positive electrode output terminal.

10. A power unit according to claim 8;

further comprising a secondary cell connected to the control means.

11. An electronic watch, comprising:

a power unit as set forth in claim 8;

an antenna;

a radio receiving circuit;

a time-indicating mechanism having hands for indicating time;

a detecting mechanism for detecting positions of the hands; and

a correcting mechanism for correcting the positions of the hands according to a time signal from the radio receiving circuit after an electrical output is outputted from the positive electrode output terminal.

12. A power unit according to claim 8;

further comprising a shaft mounted for rotation; and

wherein the field magnetons have an inertia wheel mounted coaxially with the shaft for rotation therewith.

13. An electronic equipment comprising:

a power unit as set forth in claim 8; and

an electrical load connected to the positive electrode output terminal.

14. An electronic equipment comprising:

a power unit as set forth in claim 8;

an electrical load connected to the positive electrode output terminal; and

a time indicating mechanism for indicating time.

15. An electronic equipment according to claim 14;

wherein the time-indicating mechanism comprises a time-indicating section; and

wherein the input section inputs kinetic energy by rotating a peripheral portion of the time indicating section.

16. An electronic apparatus comprising:

a power unit according to claim 10;

an electrical load connected to the positive electrode output terminal of the power unit; and

a first rectifier element in series with the converting mechanism and the electrical load, an anode terminal of the first rectifier element being output from a Vgen output terminal for simultaneously for monitoring a power voltage via a second rectifier element to stop the electronic apparatus when the power voltage becomes lower than a predetermined voltage, and changing a set value of a reset voltage corresponding to a voltage of the Vgen output terminal.

17. An electronic apparatus comprising:

a power unit according to claim 8;

a removable cell incorporated in the control circuit;

an electrical load connected to the positive electrode output terminal of the power unit; and

a first rectifier element in series with the converting mechanism and the electrical load, an anode terminal of the first rectifier element being output from a Vgen output terminal for simultaneously monitoring a power voltage via a second rectifier element to stop the electronic apparatus when the power voltage becomes lower than a predetermined voltage, and changing a set value of a reset voltage corresponding to a voltage of the Vgen output terminal.

18. An electronic apparatus comprising:

a power unit according to claim 9;

a removable cell incorporated in the control circuit;

an electrical load connected to the positive electrode output terminal of the power unit; and

a first rectifier element in series with the converting mechanism and the electrical load, an anode terminal of the first rectifier element being output from a Vgen output terminal for simultaneously monitoring a power voltage via a second rectifier element to stop the electronic apparatus when the power voltage becomes lower than a predetermined voltage, and changing a set value of a reset voltage corresponding to a voltage of the Vgen output terminal.

19. A power unit according to claim 8;

wherein the storing mechanism comprises a spiral spring.

78. A power unit according to claim 10;

further comprising;

a light receiving section or a radio signal receiving section; and

a light/radio-to-electricity transducing device for transducing light or radio signals into electricity;

wherein the control circuit controls the light/radio-to-electricity transducer to transduce light or radio signals into electricity and charges the electricity to the secondary cell.

89. A power unit according to claim 78;

wherein the control circuit has a switching circuit for switching a power output from the secondary cell to the positive electrode output terminal corresponding to a voltage of the positive electrode output terminal.

92. The power unit according to claim 78, wherein said control circuit controls said speed-changing mechanism or said speed-regulating mechanism by having a hysteresis in increasing/decreasing the speed and controls said hysteresis to be varied corresponding to a voltage of said secondary cell.

21. A power unit, comprising:

an input mechanism for inputting kinetic energy as a rotary motion;

a storing mechanism connected to the input mechanism for storing the kinetic energy as the rotary motion;

a first speed-regulating mechanism connected to the storing mechanism for increasing the speed of the rotary motion released out of the storing mechanism;

a second speed-regulating mechanism connected to the first speed-regulating mechanism for changing a speed multiplying factor of the rotary motion;

a converting mechanism connected to the first steed-regulating mechanism for converting the rotary motion whose speed has been changed by the second speed-regulating mechanism into electricity;

a control circuit connected to the converting mechanism for controlling the generated electricity; and

a positive electrode output terminal and a ground electrode terminal connected to the control circuit;

wherein the control circuit electrically controls the second speed-regulating mechanism according to a voltage of the positive electrode output terminal.

22. A power unit according to claim 21;

further comprising a secondary cell connected to the control circuit.

23. An electronic watch, comprising:

a power unit as set forth in claim 21;

an antenna;

a radio receiving circuit;

a time-indicating mechanism having hands for indicating time;

a detecting mechanism for detecting positions of the hands; and

a correcting mechanism for correcting the positions of the hands according to a time signal from the radio receiving circuit after an electrical output is outputted from the positive electrode output terminal.

24. A power unit according to claim 21;

further comprising a shaft mounted for rotation; and

wherein the field magnetons have an inertia wheel mounted coaxially with the shaft for rotation therewith.

25. A power unit according to claim 22;

wherein the control circuit has a switching circuit for switching a power output from the secondary cell to the positive electrode output terminal corresponding to a voltage of the positive electrode output terminal.

26. The power unit according to claim 21, wherein said control circuit controls said speed-changing mechanism or said speed-regulating mechanism by having a hysteresis in increasing/decreasing the speed and controls said hysteresis to be varied corresponding to a voltage of said secondary cell.

27. An electronic equipment comprising:

a power unit as set forth in claim 21; and

an electrical load connected to the positive electrode output terminal.

28. An electronic equipment comprising:

a power unit as set forth in claim 21;

an electrical load connected to the positive electrode output terminal; and

a time-indicating mechanism for indicating time.

29. An electronic equipment according to claim 28;

wherein the time-indicating mechanism comprises a time-indicating section; and

wherein the input section inputs kinetic energy by rotating a peripheral portion of the time indicating section.

30. An electronic apparatus comprising:

a power unit according to claim 22;

an electrical load connected to the positive electrode output terminal of the power unit; and

a first rectifier element in series with the converting mechanism and the electrical load, an anode terminal of the first rectifier element being output from a Vgen output terminal for simultaneously monitoring a power voltage via a second rectifier element to stop the electronic apparatus when the power voltage becomes lower than a predetermined voltage, and changing a set value of a reset voltage corresponding to a voltage of the Vgen output terminal.

31. A power unit according to claim 21;

wherein the storing mechanism comprises a spiral spring.

32. An electronic equipment comprising a power unit as set forth in claim 21;

wherein the storing mechanism comprises a spiral spring.

40. A power unit according to claim 22;

further comprising;

a light receiving section or a radio signal receiving section; and

a light/radio-to-electricity transducing device for transducing light or radio signals into electricity;

wherein the control circuit controls the light/radio-to-electricity transducer to transduce light or radio signals into electricity and charges the electricity to the secondary cell.

53. A power unit according to claim 40;

wherein the control circuit has a switching circuit for switching a power output from the secondary cell to the positive electrode output terminal corresponding to a voltage of the positive electrode output terminal.

58. The power unit according to claim 40, wherein said control circuit controls said speed-changing mechanism or said speed-regulating mechanism by having a hysteresis in increasing/decreasing the speed and controls said hysteresis to be varied corresponding to a voltage of said secondary cell.

33. A power unit, comprising:

an input mechanism for inputting kinetic energy as a rotary motion;

a storing mechanism connected to the input mechanism for storing the kinetic energy as the rotary motion;

a first speed-regulating mechanism connected to the storing mechanism for increasing the speed of the rotary motion released out of the storing mechanism;

a second speed-regulating mechanism connected to the first speed-regulating mechanism for changing the speed multiplying factor of the rotary motion;

a converting mechanism connected to the first speed-regulating mechanism for converting the rotary motion whose speed has been changed by the second speed-regulating mechanism into electricity, the converting mechanism comprising an armature having at least three coils connected in a Y connection, and a plurality of field magnetons magnetized upon application of a field current for rotation and movement against the armature;

a control circuit connected to the converting mechanism for controlling the generated electricity; and

a positive electrode output terminal and a ground electrode terminal connected to the control circuit;

wherein the control circuit controls the generated field current according to a voltage of the positive electrode output terminal.

34. A power unit according to claim 33;

further comprising a secondary cell connected to the control circuit.

35. A power unit according to claim 33;

wherein the converting mechanism controls the second speed-regulating mechanism in according to the generated field current.

36. A power unit according to claim 34;

wherein the converting mechanism controls the second speed-regulating mechanism in according to the generated field current.

37. A power unit according to claim 33;

wherein the control circuit electrically controls the second speed-regulating mechanism according to a voltage of the positive electrode output terminal.

38. A power unit according to claim 34;

wherein the control circuit electrically controls the second speed-regulating mechanism according to a voltage of the positive electrode output terminal.

39. An electronic watch, comprising:

a power unit as set forth in claim 33;

an antenna;

a radio receiving circuit;

a time-indicating mechanism having hands for indicating time;

a detecting mechanism for detecting positions of the hands; and

a correcting mechanism for correcting the positions of the hands according to a time signal from the radio receiving circuit after an electrical output is outputted from the positive electrode output terminal.

41. A power unit according to claim 34;

further comprising;

a light receiving section or a radio signal receiving section; and

a light/radio-to-electricity transducing device for transducing light or radio signals into electricity;

wherein the control circuit controls the light/radio-to-electricity transducer to transduce light or radio signals into electricity and charges the electricity to the secondary cell.

42. A power unit according to claim 33;

wherein the control circuit comprises a rectifying element comprised of a MOS transistor for rectifying the generated electricity.

43. A power unit according to claim 33;

wherein the control circuit controls the field current by pulse width modulation.

44. A power unit according to claim 33;

wherein the control circuit controls the field current by frequency modulation.

45. A power unit according to claim 35;

wherein the field magnetons are disposed on a plane extending at an angle of 15°

to 45°

to the armature.

46. A power unit according to claim 36;

wherein the field magnetons are disposed on a plane extending at an angle of 15°

to 45°

to the armature.

47. The power unit according to claim 35, wherein said speed-changing mechanism or said speed-regulating mechanism has a hysteresis in the speed increasing/decreasing operation.

48. The power unit according to claim 36, wherein said speed-changing mechanism or said speed-regulating mechanism has a hysteresis in the speed increasing/decreasing operation.

49. A power unit according to claim 33;

further comprising a shaft mounted for rotation; and

wherein the field magnetons have an inertia wheel mounted coaxially with the shaft for rotation therewith.

50. A power unit according to claim 34;

wherein the control circuit has a switching circuit for switching a power output from the secondary cell to the positive electrode output terminal corresponding to a voltage of the positive electrode output terminal.

51. A power unit according to claim 35;

further comprising a secondary cell connected to the control circuit; and

wherein the control circuit has a switching circuit for switching a power output from the secondary cell to the positive electrode output terminal corresponding to a voltage of the positive electrode output terminal.

52. A power unit according to claim 36;

wherein the control circuit has a switching circuit for switching a power output from the secondary cell to the positive electrode output terminal corresponding to a voltage of the positive electrode output terminal.

54. A power unit according to claim 41;

wherein the control circuit has a switching circuit for switching a power output from the secondary cell to the positive electrode output terminal corresponding to a voltage of the positive electrode output terminal.

55. The power unit according to claim 33, wherein said control circuit controls said speed-changing mechanism or said speed-regulating mechanism by having a hysteresis in increasing/decreasing the speed and controls said hysteresis to be varied corresponding to a voltage of said secondary cell.

56. The power unit according to claim 35, wherein said control circuit controls said speed-changing mechanism or said speed-regulating mechanism by having a hysteresis in increasing/decreasing the speed and controls said hysteresis to be varied corresponding to a voltage of said secondary cell.

57. The power unit according to claim 36, wherein said control circuit controls said speed-changing mechanism or said speed-regulating mechanism by having a hysteresis in increasing/decreasing the speed and controls said hysteresis to be varied corresponding to a voltage of said secondary cell.

59. The power unit according to claim 41, wherein said control circuit controls said speed-changing mechanism or said speed-regulating mechanism by having a hysteresis in increasing/decreasing the speed and controls said hysteresis to be varied corresponding to a voltage of said secondary cell.

60. An electronic equipment comprising:

a power unit as set forth in claim 33; and

an electrical load connected to the positive electrode output terminal.

61. An electronic equipment comprising:

a power unit as set forth in claim 33;

an electrical load connected to the positive electrode output terminal; and

a time-indicating mechanism for indicating time.

62. An electronic equipment according to claim 61;

wherein the time-indicating mechanism comprises a time-indicating section; and

wherein the input section inputs kinetic energy by rotating a peripheral portion of the time indicating section.

63. An electronic apparatus comprising:

a power unit according to claim 34;

an electrical load connected to the positive electrode output terminal of the power unit; and

a first rectifier element in series with the converting mechanism and the electrical load, an anode terminal of the first rectifier element being output from a Vgen output terminal for simultaneously monitoring a power voltage via a second rectifier element to stop the electronic apparatus when the power voltage becomes lower than a predetermined voltage, and changing a set value of a reset voltage corresponding to a voltage of the Vgen output terminal.

64. An electronic apparatus comprising:

a power unit according to claim 33;

a removable cell incorporated in the control circuit;

an electrical load connected to the positive electrode output terminal of the power unit; and

a first rectifier element in series with the converting mechanism and the electrical load, an anode terminal of the first rectifier element being output from a Vgen output terminal for simultaneously monitoring a power voltage via a second rectifier element to stop the electronic apparatus when the power voltage becomes lower than a predetermined voltage, and changing a set value of a reset voltage corresponding to a voltage of the Vgen output terminal.

65. An electronic apparatus comprising:

a power unit according to claim 35;

a removable cell incorporated in the control circuit;

an electrical load connected to the positive electrode output terminal of the power unit; and

a first rectifier element in series with the converting mechanism and the electrical load, an anode terminal of the first rectifier element being output from a Vgen output terminal for simultaneously monitoring a power voltage via a second rectifier element to stop the electronic apparatus when the power voltage becomes lower than a predetermined voltage, and changing a set value of a reset voltage corresponding to a voltage of the Vgen output terminal.

66. An electronic apparatus comprising:

a power unit according to claim 36;

a removable cell incorporated in the control circuit;

an electrical load connected to the positive electrode output terminal of the power unit; and

a first rectifier element in series with the converting mechanism and the electrical load, an anode terminal of the first rectifier element being output from a Vgen output terminal for simultaneously monitoring a power voltage via a second rectifier element to stop the electronic apparatus when the power voltage becomes lower than a predetermined voltage, and changing a set value of a reset voltage corresponding to a voltage of the Vgen output terminal.

67. An electronic apparatus comprising:

a power unit according to claim 37;

a removable cell incorporated in the control circuit;

an electrical load connected to the positive electrode output terminal of the power unit; and

a first rectifier element in series with the converting mechanism and the electrical load, an anode terminal of the first rectifier element being output from a Vgen output terminal for simultaneously monitoring a power voltage via a second rectifier element to stop the electronic apparatus when the power voltage becomes lower than a predetermined voltage, and changing a set value of a reset voltage corresponding to a voltage of the Vgen output terminal.

68. An electronic apparatus comprising:

a power unit according to claim 38;

a removable cell incorporated in the control circuit;

an electrical load connected to the positive electrode output terminal of the power unit; and

a first rectifier element in series with the converting mechanism and the electrical load, an anode terminal of the first rectifier element being output from a Vgen output terminal for simultaneously monitoring a power voltage via a second rectifier element to stop the electronic apparatus when the power voltage becomes lower than a predetermined voltage, and changing a set value of a reset voltage corresponding to a voltage of the Vgen output terminal.

69. A power unit according to claim 33;

wherein the storing mechanism comprises a spiral spring.

70. An electronic equipment comprising a power unit as set forth in claim 33;

wherein the storing mechanism comprises a spiral spring.

71. A power unit, comprising:

an input mechanism for inputting kinetic energy as a rotary motion;

a storing mechanism connected to the input mechanism for storing the kinetic energy as the rotary motion;

a first speed-regulating mechanism connected to the storing mechanism for increasing the speed of the rotary motion released out of the storing mechanism;

a second speed-regulating mechanism connected to the first speed-regulating mechanism for braking the rotary motion to regulate the speed of the rotary motion;

a converting mechanism connected to the first speed-regulating mechanism for converting the rotary motion whose speed has been increased by the first speed-regulating mechanism into electricity, the converting mechanism having an armature comprised of at least three coils connected in a Y connection, and a plurality of field magnetons magnetized upon application of a field current for rotation and movement against the armature;

a control circuit connected to the converting mechanism for controlling the generated electricity; and

a positive electrode output terminal and a ground electrode terminal connected to the control circuit;

wherein the control circuit controls the generated field current according to a voltage of the positive electrode output terminal.

72. A power unit according to claim 71;

further comprising a secondary cell connected to the control circuit.

73. A power unit according to claim 71;

wherein the converting mechanism controls the second speed-regulating mechanism according to the generated field current.

74. A power unit according to claim 72;

wherein the converting mechanism controls the second speed-regulating mechanism according to the generated field current.

75. A power unit according to claim 71;

wherein the control circuit electrically controls the second speed-regulating mechanism according to a voltage of the positive electrode output terminal.

76. A power unit according to claim 72;

wherein the control circuit electrically controls the second speed-regulating mechanism according to a voltage of the positive electrode output terminal.

77. An electronic watch, comprising:

a power unit as set forth in claim 71;

an antenna;

a radio receiving circuit;

a time-indicating mechanism having hands for indicating time;

a detecting mechanism for detecting positions of the hands; and

a correcting mechanism for correcting the positions of the hands according to a time signal from the radio receiving circuit after an electrical output is outputted from the positive electrode output terminal.

79. A power unit according to claim 72;

further comprising;

a light receiving section or a radio signal receiving section; and

a light/radio-to-electricity transducing device for transducing light or radio signals into electricity;

wherein the control circuit controls the light/radio-to-electricity transducer to transduce light or radio signals into electricity and charges the electricity to the secondary cell.

80. A power unit according to claim 71;

wherein the control circuit comprises a rectifying element comprised of a MOS transistor for rectifying the generated electricity.

81. A power unit according to claim 71;

wherein the control circuit controls the field current by pulse width modulation.

82. A power unit according to claim 71;

wherein the control circuit controls the field current by frequency modulation.

83. A power unit according to claim 73;

wherein the field magnetons are disposed on a plane extending at an angle of 15°

to 45°

to the armature.

84. A power unit according to claim 74;

wherein the field magnetons are disposed on a plane extending at an angle of 15°

to 45°

to the armature.

85. The power unit according to claim 73, wherein said speed-changing mechanism or said speed-regulating mechanism has a hysteresis in the speed increasing/decreasing operation.

86. The power unit according to claim 74, wherein said speed-changing mechanism or said speed-regulating mechanism has a hysteresis in the speed increasing/decreasing operation.

87. A power unit according to claim 71;

further comprising a shaft mounted for rotation; and

wherein the field magnetons have an inertia wheel mounted coaxially with the shaft for rotation therewith.

88. A power unit according to claim 72;

wherein the control circuit has a switching circuit for switching a power output from the secondary cell to the positive electrode output terminal corresponding to a voltage of the positive electrode output terminal.

90. A power unit according to claim 79;

wherein the control circuit has a switching circuit for switching a power output from the secondary cell to the positive electrode output terminal corresponding to a voltage of the positive electrode output terminal.

91. The power unit according to claim 72, wherein said control circuit controls said speed-changing mechanism or said speed-regulating mechanism by having a hysteresis in increasing/decreasing the speed and controls said hysteresis to be varied corresponding to a voltage of said secondary cell.

93. The power unit according to claim 79, wherein said control circuit controls said speed-changing mechanism or said speed-regulating mechanism by having a hysteresis in increasing/decreasing the speed and controls said hysteresis to be varied corresponding to a voltage of said secondary cell.

94. An electronic equipment comprising:

a power unit as set forth in claim 71; and

an electrical load connected to the positive electrode output terminal.

95. An electronic equipment comprising:

a power unit as set forth in claim 71;

an electrical load connected to the positive electrode output terminal; and

a time-indicating mechanism for indicating time.

96. An electronic equipment according to claim 95;

wherein the time-indicating mechanism comprises a time-indicating section; and

wherein the input section inputs kinetic energy by rotating a peripheral portion of the time-indicating section.

97. An electronic apparatus comprising:

a power unit according to claim 72;

an electrical load connected to the positive electrode output terminal of the power unit; and

a first rectifier element in series with the converting mechanism and the electrical load, an anode terminal of the first rectifier element being output from a Vgen output terminal for simultaneously monitoring a power voltage via a second rectifier element to stop the electronic apparatus when the power voltage becomes lower than a predetermined voltage, and changing a set value of a reset voltage corresponding to a voltage of the Vgen output terminal.

98. An electronic apparatus comprising:

a power unit according to claim 71;

a removable cell incorporated in the control circuit;

an electrical load connected to the positive electrode output terminal of the power unit; and

a first rectifier element in series with the converting mechanism and the electrical load, an anode terminal of the first rectifier element being output from a Vgen output terminal for simultaneously monitoring a power voltage via a second rectifier element to stop the electronic apparatus when the power voltage becomes lower than a predetermined voltage, and changing a set value of a reset voltage corresponding to a voltage of the Vgen output terminal.

99. A power unit according to claim 71;

wherein the storing mechanism comprises a spiral spring.

100. An electronic equipment comprising a power unit as set forth in claim 71;

wherein the storing mechanism comprises a spiral spring.

101. A power unit, comprising:

an input mechanism for inputting kinetic energy as a rotary motion;

a speed-regulating mechanism connected to the input mechanism for regulating the speed of the rotary motion;

a converting mechanism connected to the speed-regulating mechanism for converting the rotary motion whose speed has been regulated into electricity, the converting mechanism having a charged electrode for applying charges, a take-out electrode for taking out the charges, and a dielectric rotor disposed between the charged electrode and the take-out electrode, the dielectric rotor being rotated with the rotary motion whose speed has been regulated to convert the rotary motion into electricity;

a control circuit connected to the converting mechanism for controlling the generated electricity; and

a positive electrode output terminal and a ground electrode terminal connected to the control circuit.

102. A power unit, comprising:

a water storing mechanism for storing potential energy;

a water amount regulating mechanism for regulating an amount of water to be discharged from the water storing mechanism;

a first converting mechanism for converting the flow of the water discharged from the water storing mechanism into a rotary motion;

a second converting mechanism connected to the first converting mechanism for converting the rotary motion into electricity, the second converting mechanism having an armature comprised of at least three coils connected in a Y connection, and a plurality of field magnetons magnetized upon application of a field current for rotation and movement against the armature;

a control circuit connected to the second converting mechanism for controlling the generated electricity;

a DC/AC inverter connected to the control circuit for converting the generated electricity into an AC current having a constant frequency; and

a plurality of AC output terminals having at least two poles connected to the DC/AC inverter;

wherein the control circuit controls the field current according to a voltage of the AC output terminals; and

wherein either the control circuit electrically controls the water amount regulating mechanism according to the voltage of the AC output terminals or the second converting mechanism controls the water amount regulating mechanism according to the field current.

103. A power unit, comprising:

an input mechanism for inputting kinetic energy as a rotary motion;

a first speed-regulating mechanism connected to the input mechanism for increasing the speed of the rotary motion;

a second speed-regulating mechanism connected to first speed-regulating mechanism for changing a speed multiplying factor of the rotary motion;

a converting mechanism connected to first speed-regulating mechanism for converting the rotary motion whose speed has been changed into electricity;

a control circuit, connected to the converting mechanism for controlling the generated electricity;

a DC/AC inverter connected to the control circuit for converting the generated electricity into AC current having a constant frequency;

a secondary cell connected to the control circuit; and

a plurality of AC output terminals having at least two poles connected to the DC/AC inverter;

wherein the converting mechanism has an armature comprised of at least three coils connected in a Y connection, and a plurality of field magnetons magnetized upon application of a field current for rotation and movement against the armature; and

wherein either the control circuit electrically controls the water amount regulating mechanism according to the voltage of the AC output terminals or the converting mechanism controls the water amount regulating mechanism according to the field current.