Intelligent electrical switching device

• US 6,952,084 B2
• Filed: 10/21/2003
• Issued: 10/04/2005
• Est. Priority Date: 10/09/1998
• Status: Expired due to Term

• Current Assignee: Global Touch Solutions LLC (Intellectual Discovery Co., Ltd.)
• Original Assignee: Azoteq Pty Ltd.
• Inventors: Bruwer, Frederick J.
• Primary Examiner(s): Lee, Wilson
• Application Number:
  US10/690,423
• Publication Number:
  US 20040080274A1
• Time in Patent Office: 714 Days
• Field of Search: 315/200.A, 315/200.R, 315/84, 315/86, 315291-295, 315/360, 315/362, 307/87, 307/115, 362/184, 362/205, 362/276
• US Class Current: 315/200.00A
• CPC Class Codes: H05B 39/041 the light-intensity of the source H05B39/08 takes precedence
• CPC Class Codes: H05B 39/044 continuously H05B39/042 takes precedence
• CPC Class Codes: H05B 39/085 by touch control
• CPC Class Codes: H05B 39/09 in which the lamp is fed by pulses automatic circuit devices built into or on the incandescent lamp H01K1/625; vehicle winking devices B60Q1/38
• CPC Class Codes: H05B 47/10 Controlling the light source
• CPC Class Codes: H05B 47/16 by timing means
• CPC Class Codes: H05B 47/165 following a pre-assigned programmed sequence; Logic control [LC]
• CPC Class Codes: H05B 47/175 by remote control
• CPC Class Codes: H05B 47/185 via power line carrier transmission
• CPC Class Codes: Y02B 20/00 Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
• CPC Class Codes: Y02B 20/40 Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

The present invention, according to a preferred embodiment, is directed to portable electronic devices which operate on exhaustible power sources, for example, batteries. The electronic devices of the present invention comprise at least one signal switch and a microchip in communication with the switch wherein the switch is only capable of transmitting a signal to the microchip that the switch has been activated or deactivated. The microchip is in communication with the exhaustible power source of the electronic device and controls (i) the power on/off function of the device, (ii) at least one other function of the device in response to activation and deactivation signals from the switch, and (iii) an automatic shut off function in response to the receipt of an activation signal from the switch.

Claims

1. A system for use with an exhaustible power source and an energy consuming light generating load, said system comprising:

(a) a microchip having at least a first input, said first input transfers information to said microchip when a switch connected to said first input has been activated or deactivated, and when in use with said power source and said load, said input and said switch do not form a serial link in a circuit that conducts energy from the power source to activate the light generating load and wherein said switch is a user interface;

(b) said microchip being configured to control the activation and deactivation of the energy flow from said power source to said light generating load in response to at least a signal received through said first input;

(c) said microchip also configured to control the selection of one of a plurality of operating modes, including at least the adjustment in the power supplied to the load, in response to at least a signal received through said first input such that at least two levels of illumination can be activated; and

(d) said microchip further configured to control at least one function selected from the group consisting of;

(i) a low energy consuming find-in-the-dark location indicator that is active when the load is not activated by the user and when the power source is not being charged, said indicator also gives an indication of the said switch operations;

(ii) a power source level indicator that is not dependent on user selection and/or light generating load activation, and is active when the power source is not being charged; and

(iii) a gradual adjustment of power to the load, such that the gradual change in power is not easily visible to the human eye, and wherein the adjusted power level is based on operator actions.

2. The system of claim 1, comprising a single switch connected to a single input of said microchip, wherein said switch is the only interface switch.

3. The system of claim 1, wherein the microchip controls at least two functions selected from the group in (d).

4. The system of claim 3, comprising a single switch connected to a single input of said microchip, wherein said switch is the only user activation and deactivation interface switch.

5. The system of claim 1, wherein a further function controlled by the microchip comprises at least one function selected from the group consisting of a find-in-the-dark indicator also giving an indication of the remaining power in the power source, providing a gradual increasing power adjustment function when switched on and providing a gradual power reduction function when switched off.

6. The system of claim 2, wherein a further function controlled by the microchip comprises at least one function selected from the group consisting of a find-in-the-dark-indicator also giving an indication of the remaining power in the power source, providing a gradual increasing power adjustment function when switched on and providing a gradual power reduction function when switched off.

7. The system of claim 1 wherein the microchip is further configured to recognize the selection by the user of specifically the deactivation of the load or off function, by the time duration of switch activation, the time duration of switch deactivation, and the number of activation signals received through said first input.

8. The system of claim 4 wherein the microchip is further configured to recognize the selection by the user of specifically the deactivation of the load or off function, by the time duration of the switch deactivation, and the number of activation signals received through said first input.

9. The system of claim 2 wherein the microchip is configured to control a flashing function on said load in response to the time period of an activation of the switch being longer than a predefined period.

10. The system of claim 1 wherein said microchip is always powered when a power source is connected in the system.

11. The system of claim 3 wherein a further function controlled by the microchip comprises at least one function selected from the group consisting of a find in the dark indicator also giving an indication of the remaining power in the power source, providing a gradual increasing power adjustment function when switched on, providing a gradual power reduction function when switched off and an automatic delayed shut-off function in response to an activation signal received through said input.

12. The system of claim 11 wherein the microchip recognizes the selection by the user of specifically the switch off function by the time duration of the switch being activated, the time duration of switch being deactivated, and the number of activation signals, received through said first input.

28. The system of claim 4 wherein a further function controlled by said microchip is an automatic delayed shut off function.

29. The system of claim 28 wherein the microchip further controls a find-in-the-dark indicator when the light source is switched off.

30. The system of claim 1 wherein the off mode is selected upon receiving a signal indicating the deactivation of the switch, if the preceding period of the switch activation was longer than a certain minimum period.

31. The system of claim 1 wherein the microchip also controls a gradual increase in power to the load when switching“

on” and

/or a gradual reduction in power to the load when switching “

off”

, such that the gradual change in the power supplied to the light generating load is not easily visible to the user.

32. The system of claim 4 wherein the system is adapted for use in a flashlight.

36. The system of claim 2 wherein a further function controlled by said microchip is an automatic delayed shut off function in response to an activation signal received at least through said first input.

38. The system of claim 1 wherein said system controls all three functions from said group in (d).

39. The system of claim 1 wherein the system is adapted for use in a portable lighting product and wherein the said microchip is also configured to control the giving of an indication of the remaining power in said power source when the light generating load is deactivated by the user.

40. The system of claim 38 wherein the system is adapted for use in a portable lighting product and the microchip is further configured to control the giving of an indication of the remaining power in said power source.

41. The system of claim 1 wherein the microchip is further configured to accept commands that contain at least an address from another controller.

48. The system of claim 1 in a configuration wherein the system further comprises an energy storage device that supplies energy to said microchip when said power switch is conducting, and wherein when said power switch is not conducting, said storage device is recharged from said power source.

49. The system of claim 3 in a configuration wherein the system further comprises an energy storage device that is required to supply energy to said microchip when said power switch is conducting, and wherein when said power switch is not conducting, said storage device is recharged from said power source.

50. The system of claim 1 wherein a switch connected to an input is a touch pad or a touch sensor.

51. The system of claim 1 wherein the switch connected to said first input is a touch pad or a touch sensor.

13. A system for use with an exhaustible power source and an energy consuming light generating load, said system comprising:

(a) a microchip having at least a first input, said first input transfers information to said microchip when an switch connected to said first input has been activated or deactivated, and when in use with said power source and said load, said input and said switch do not form a serial link in the circuit that conducts energy from the power source to energize the light generating load and said at least one switch being a user interface;

(b) said microchip configured to control the activation and deactivation of the energy flow from said power source to said light generating load in response to at least a signal received through said first input;

(c) said microchip also configured to control the selection of one of a plurality of operating modes, including at least the adjustment in the power supplied to the light generating load to provide a different level of illumination, in response to at least a signal received through said first input; and

(d) said microchip further configured to control at least an automatic delayed shut off function in response to an activation signal received through said first input.

14. The system of claim 13 wherein the switch is the only user interface switch.

20. The system of claim 13 wherein the microchip is always powered if a good power source is connected in the system.

52. The system of claim 13 wherein a switch connected to an input is a touch pad or a touch sensor.

53. The system of claim 13 wherein the switch connected to said first input is a touch pad or a touch sensor.

15. A system for use with an exhaustible power source and an energy consuming light generating load, said system comprising:

(a) a microchip having at least a first input, said first input transfers information to said microchip when an switch connected to said first input has been activated or deactivated, and when in use with said power source and said load, said input and said switch do not form a serial link in the circuit that conducts energy from the power source to energize the load;

(b) said microchip configured to control the activation and deactivation of the energy flow from said power source to said light generating load in response to at least a signal received through said first input;

(c) said microchip also configured to control the selection of one of a plurality of operating modes, including at least the adjustment in the power supplied to the light generating load to achieve an adjusted illumination level, in response to at least a signal received through said first input; and

(d) said microchip further configured to control at least a find-in-the-dark location indicator that is active when the light generating load is not activated by the user and when the power source is not being charged, said indicator also gives an indication of the said switch operations.

23. The system of claim 15 wherein the microchip also controls a power source level indicator that is not activated by the user.

16. A system for use with an exhaustible power and an energy consuming light generating load, said system comprising:

(a) a microchip having at least a first input, said first input transfers information to said microchip when an switch connected to said first input has been activated or deactivated, and when in use with said power source and said light generating load, said input and said switch do not form a serial link in the circuit that conducts energy from the power source to energize the light generating load;

(b) said microchip configured to control the activation and deactivation of the energy flow from said power source to said light generating load in response to at least a signal received through said first input;

(c) said microchip also configured to control the selection of one of a plurality of operating modes, including at least the adjustment in the power supplied to the light generating load to achieve an adjusted illumination level, in response to at least a signal received through said first input; and

(d) said microchip further configured to control at least said microchip further configured to control at least a power source level indicator that (i) is active when the light generating load is not activated, and/or (ii) is not dependent on user selection, and (iii) is active when the power source is not being charged.

17. A system for use with an exhaustible power source and an energy consuming light generating load, said system comprising:

(a) a microchip having at least a first input, said first input transfers information to said microchip when a switch connected to said first input has been activated or deactivated, and when in use with said power source and said load, said input and said switch do not form a serial link in the circuit that conducts energy from the power source to energize the light generating load;

(b) said microchip configured to control the activation and deactivation of the energy flow from said power source to said light generating load in response to at least a signal received through said first input;

(c) said microchip also configured to control the selection of one of a plurality of operating modes, including at least the adjustment in the power supplied to the light generating load to achieve an adjusted illumination level, in response to at least a signal received through said first input; and

(d) said microchip further configured to control at least a gradual adjustment of power to the load, such that the gradual change in power is not easily visible to the human eye, and wherein the adjusted power level is based on the time of switch closed and/or open operations.

21. The system of claim 17 wherein the microchip also controls a delayed shut off function in response to an activation command received through said first input.

24. The system of claim 17 wherein the microchip also controls a visual find-in-the-dark indicator that is active when the light generating load is not activated by the user.

33. The system of claim 21 comprising a casing and wherein the microchip, the light generating load and the switch are each attached to and/or enclosed in the casing.

37. The system of claim 17 wherein a further function controlled by said microchip is an automatic delayed shut off function.

42. The system of claim 37 further comprising a casing and wherein the said microchip, said switch and said light generating load are each attached to and/or enclosed in the casing.

43. The system of claim 17 wherein the microchip is further configured to accept commands that contain at least an address from another controller.

44. The system of claim 37 wherein the microchip is further configured to accept commands that contain at least an address from another controller.

45. The system of claim 42 wherein the microchip is further configured to accept commands that contain at least an address from another controller.

46. The system of claim 44 wherein said commands are transferred via a power line to the microchip.

47. The system of claim 45 wherein said commands are transferred via a power line to the microchip.

55. The system of claim 21 wherein the switch connected to said first input is a touch pad or a touch sensor.

18. A system for use with an exhaustible power source and an energy consuming light generating load, said system comprising:

(a) a microchip having at least a first input, said first input transfers information to said microchip when a switch connected to said first input has been activated or deactivated, and when in use with said power source and said load, said input and said switch do not form a serial link in the circuit that transfers the energy between the power source and the load;

(b) said microchip configured to control the activation and deactivation of the energy flow from said power source to said light generating load in response to at least a signal received through said first input;

(c) said microchip also configured to control the selection of one of a plurality of operating modes, including at least the adjustment in the power supplied to the light generating load to achieve an adjusted illumination level, in response to at least a signal received through said first input; and

(d) said microchip further configured to control the selection of a specific function by a user being dependent on the time duration of the switch being activated, the time duration of the switch being deactivated, and the number of activation signals received from the switch through said first input.

19. The system of claim 18 wherein the microchip controls an adjustment in power supplied to the light generating load through an intermittent power sequence such that any period wherein the power source is not connected to the light source, does not create an easily visible dead period.

22. The system of claim 19 wherein the microchip also controls a delayed shut off function in response to an activation command received through said first input.

25. The system of claim 19 wherein the microchip also controls a visual find-in-the-dark indicator that is not activated by the user.

26. The system of claim 19 wherein the microchip also controls the indication of the power source level that is not selected by the user.

27. The system of claim 18 wherein the microchip also controls a gradual adjustment of the power supplied to the light generating load in response to a signal received through said first input such that the gradual change of power is not easily visible to the user.

34. The system of claim 22 comprising a casing and wherein the microchip, the light generating load and the switch are each attached to and/or enclosed in the casing.

35. The system of claim 27 comprising a casing and wherein the microchip, the light generating load and the switch are each attached to and/or enclosed in the casing.

54. The system of claim 18 wherein the switch connected to said first input is a touch pad or a touch sensor.

56. The system of claim 22 wherein the switch connected to said first input is a touch pad or a touch sensor.