Power supply equipment for simultaneously providing operating voltages to a plurality of devices

• US 7,863,770 B2
• Filed: 11/25/2009
• Issued: 01/04/2011
• Est. Priority Date: 04/26/1994
• Status: Expired due to Fees

• Current Assignee: Comarco Wireless Technologies Incorporated (Comarco Incorporated)
• Original Assignee: Comarco Wireless Technologies Incorporated (Comarco Incorporated)
• Inventors: Lanni, Thomas W.
• Primary Examiner(s): BERHANE, ADOLF D
• Application Number:
  US12/592,530
• Publication Number:
  US 20100109436A1
• Time in Patent Office: 405 Days
• Field of Search: 363/78, 363/80, 363/97, 323/280, 323/282, 323/293, 307/11, 307/17, 307/38, 307/52
• US Class Current: 307/11
• CPC Class Codes: G06F 1/26 Power supply means, e.g. regulation thereof for memories G11C
• CPC Class Codes: H01F 2027/2819 Planar transformers with printed windings, e.g. surrounded by two cores and to be mounted on printed circuit
• CPC Class Codes: H01R 13/24 resilient; resiliently-mounted
• CPC Class Codes: H01R 13/6675 with built-in power supply
• CPC Class Codes: H01R 2201/16 for telephony
• CPC Class Codes: H01R 2201/24 for radio transmission
• CPC Class Codes: H02J 2207/20 Charging or discharging characterised by the power electronics converter
• CPC Class Codes: H02J 7/00041 in response to measured battery parameters, e.g. voltage, current or temperature profile
• CPC Class Codes: H02J 7/00047 with provisions for charging different types of batteries
• CPC Class Codes: H02J 7/0068 Battery or charger load switching, e.g. concurrent charging and load supply H02J7/0013 takes precedence
• CPC Class Codes: H02J 7/02 for charging batteries from ac mains by converters
• CPC Class Codes: H02M 1/4258 using a single converter stage both for correction of AC input power factor and generation of a regulated and galvanically isolated DC output voltage H02M1/4241 takes precedence
• CPC Class Codes: H02M 3/003 Constructional details, e.g. physical layout, assembly, wiring or busbar connections
• CPC Class Codes: H02M 3/156 with automatic control of output voltage or current, e.g. switching regulators
• CPC Class Codes: H02M 3/28 using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
• CPC Class Codes: H02M 3/33507 with automatic control of the output voltage or current, e.g. flyback converters H02M3/33561, H02M3/33569 take precedence
• CPC Class Codes: H02M 3/33523 with galvanic isolation between input and output of both the power stage and the feedback loop
• CPC Class Codes: H02M 3/3372 of the parallel type
• CPC Class Codes: H02M 3/3378 in a push-pull configuration of the parallel type H02M3/3374 takes precedence
• CPC Class Codes: H02M 3/3382 in a push-pull circuit arrangement
• CPC Class Codes: H02M 3/3387 : in a push-pull configuration
• CPC Class Codes: H02M 7/003 : Constructional details, e.g. physical layout, assembly, wiring or busbar connections
• CPC Class Codes: H05K 1/0203 : Cooling of mounted components H05K1/0272 takes precedence
• CPC Class Codes: H05K 1/0262 : Arrangements for regulating voltages or for using plural voltages
• CPC Class Codes: H05K 1/029 : having a programmable lay-out, i.e. adapted for choosing between a few possibilities
• CPC Class Codes: H05K 1/16 : incorporating printed electric components, e.g. printed resistor, capacitor, inductor
• CPC Class Codes: H05K 1/165 : incorporating printed inductors
• CPC Class Codes: H05K 2201/086 : for inductive purposes, e.g. printed inductor with ferrite core
• CPC Class Codes: H05K 2201/09063 : Holes or slots in insulating substrate not used for electrical connections
• CPC Class Codes: Y02B 40/00 : Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
• CPC Class Codes: Y02B 70/10 : Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Abstract

Power supply equipment includes circuitry for converting an input voltage to first and second DC voltages provided at respective connection points. One of the connection points is electrically coupled to a first cable having at its distal end a connector or connector adapter which has a shape and pin out compatible for detachably mating with a first electronic device. A second connection point is electrically coupled to a second cable having at its distal end a connector or connector adapter which has a shape and pin out compatible for detachably mating with a second electronic device. Either or both of the cables may be electrically coupled to their respective connection points via respective connectors which detachably mate with respective proximal end connectors on the cables. The power supply powers the first electronic device at the first DC voltage and the second electronic device at the second DC voltage.

Claims

1. Power supply equipment comprising:

circuitry for converting an input voltage to first and second DC voltages, the first DC voltage being provided at a first connection point and the second DC voltage being provided at a second connection point, the first and second connection points being separately disposed from each other;

a first cable having a proximal end which is electrically coupled to the first connection point, a distal end of the first cable affixed with a first connector having a configuration, including shape and pin out, compatible for detachably mating with at least one particular model of a first electronic device; and

a second cable having a proximal end which is electrically coupled to the second connection point, a distal end of the second cable affixed with a second connector having a configuration, including shape and pin out, compatible for detachable mating with at least one particular model of a second electronic device,

wherein the circuitry provides power sufficient to simultaneously power the first electronic device at the first DC voltage and the second electronic device at the second DC voltage.

2. The power supply equipment according to claim 1, wherein the input voltage is an AC voltage.

3. The power supply equipment according to claim 1, wherein the first electronic device is a laptop computer.

4. The power supply equipment according to claim 3, wherein the second electronic device is a cellular telephone.

5. Power supply equipment comprising:

circuitry for converting an input voltage to first and second DC voltages, the first DC voltage being provided at a first connection point and the second DC voltage being provided at a second connection point, the first and second connection points being separately disposed from each other;

a first cable having a proximal end which is electrically coupled to the first connection point, a distal end of the first cable affixed with a first connector;

a connector adapter having a first plurality of contacts and a second plurality of contacts disposed in a single housing with at least two contacts in the first plurality of contacts being electrically coupled to at least two contacts in the second plurality of contacts without a cable disposed between the first plurality of contacts and the second plurality of contacts, the first plurality of contacts being detachably mateable with the first connector, the second plurality of contacts having a configuration, including shape and pin out, compatible for detachably mating with at least one particular model of a first electronic device; and

a second cable having a proximal end which is electrically coupled to the second connection point, a distal end of the second cable affixed with a second connector having a configuration, including shape and pin out, compatible for detachably mating with at least one particular model of a second electronic device,

wherein the circuitry provides power sufficient to simultaneously power the first electronic device at the first DC voltage and the second electronic device at the second DC voltage.

6. The power supply equipment according to claim 5, wherein the input voltage is an AC voltage.

7. The power supply equipment according to claim 5, wherein the first electronic device is a laptop computer.

8. The power supply equipment according to claim 7, wherein the second electronic device is a cellular telephone.

9. The power supply equipment according to claim 5, wherein the second electronic device is a laptop computer.

10. The power supply equipment according to claim 9, wherein the first electronic device is a cellular telephone.

11. Power supply equipment comprising:

circuitry for converting an input voltage to first and second DC voltages, the first DC voltage being provided at a first connection point and the second DC voltage being provided at a second connection point, the first and second connection points being separately disposed from each other;

a first cable having a proximal end which is electrically coupled to the first connection point, a distal end of the first cable affixed with a first connector;

a first connector adapter having a first plurality of contacts and a second plurality of contacts disposed in a first single housing with at least two contacts in the first plurality of contacts being electrically coupled to at least two contacts in the second plurality of contacts without a cable disposed between the first plurality of contacts and the second plurality of contacts, the first plurality of contacts being detachably mateable with the first connector, the second plurality of contacts having a configuration, including shape and pin out, compatible for detachably mating with at least one particular model of a first electronic device;

a second cable having a proximal end which is electrically coupled to the second connection point, a distal end of the second cable affixed with a second connector; and

a second connector adapter having a third plurality of contacts and a fourth plurality of contacts disposed in a second single housing with at least two contacts in the third plurality of contacts being electrically coupled to at least two contacts in the fourth plurality of contacts without a cable disposed between the third plurality of contacts and the fourth plurality of contacts, the third plurality of contacts being detachably mateable with the second connector, the fourth plurality of contacts having a configuration, including shape and pin out, compatible for detachably mating with at least one particular model of a second electronic device,

wherein the circuitry provides power sufficient to simultaneously power the first electronic device at the first DC voltage and the second electronic device at the second DC voltage.

12. The power supply equipment according to claim 11, wherein the input voltage is an AC voltage.

13. The power supply equipment according to claim 11, wherein the first electronic device is a laptop computer.

14. The power supply equipment according to claim 13, wherein the second electronic device is a cellular telephone.

15. Power supply equipment comprising:

circuitry for converting an input voltage to first and second DC voltages, the first DC voltage being provided at a first connection point and the second DC voltage being provided at a second connection point, the first and second connection points being separately disposed from each other;

a first cable having a proximal end which is electrically coupled to the first connection point, a distal end of the first cable affixed with a first connector having a configuration, including shape and pin out, compatible for detachably mating with at least one particular model of a first electronic device; and

a second connector, electrically coupled to the second connection point, for detachably mating with a second cable for coupling to a second electronic device,

wherein the circuitry provides power sufficient to simultaneously power the first electronic device at the first DC voltage and the second electronic device at the second DC voltage.

16. The power supply equipment according to claim 15 including the second cable, the second cable having a proximal end connector which detachably mates with the second connector.

17. The power supply equipment according to claim 16, wherein the second cable is affixed with a distal end connector for detachably mating with the second electronic device.

18. The power supply equipment according to claim 16, wherein the second cable is affixed with a distal end connector and the power supply equipment includes a connector adapter having a first end which detachably mates with the distal end connector and a second end which detachably mates with the second electronic device.

19. The power supply equipment according to claim 15, wherein the first cable has a proximal end connector which detachably mates with a third connector which is electrically coupled to the first DC voltage via the first connection point.

20. The power supply equipment according to claim 19 including the second cable, the second cable having a proximal end connector which detachably mates with the second connector.

21. The power supply equipment according to claim 20, wherein the second cable is affixed with a distal end connector for detachably mating with the second electronic device.

22. The power supply equipment according to claim 20, wherein the second cable is affixed with a distal end connector and the power supply equipment includes a connector adapter having a first end which detachably mates with the distal end connector and a second end which detachably mates with the second electronic device.

23. The power supply equipment according to claim 15, wherein the input voltage is an AC voltage.

24. The power supply equipment according to claim 15, wherein the first electronic device is a laptop computer.

25. The power supply equipment according to claim 24, wherein the second electronic device is a cellular telephone.

26. The power supply equipment according to claim 15, wherein the second electronic device is a laptop computer.

27. The power supply equipment according to claim 26, wherein the first electronic device is a cellular telephone.

28. Power supply equipment comprising:

circuitry for converting an input voltage to first and second DC voltages, the first DC voltage being provided at a first connection point and the second DC voltage being provided at a second connection point, the first and second connection points being separately disposed from each other;

a first cable having a proximal end which is electrically coupled to the first connection point, a distal end of the first cable affixed with a first connector;

a connector adapter having a first plurality of contacts and a second plurality of contacts disposed in a single housing with at least two contacts in the first plurality of contacts being electrically coupled to at least contacts in the second plurality of contacts without a cable disposed between the first plurality of contacts and the second plurality of contacts, the first plurality of contacts being detachably mateable with the first connector, the second plurality of contacts having a configuration, including shape and pin out, compatible for detachably mating with at least one particular model of a first electronic device; and

a second connector, electrically coupled to the second connection point, for detachably mating with a second cable for coupling to a second electronic device,

wherein the circuitry provides power sufficient to simultaneously power the first electronic device at the first DC voltage and the second electronic device at the second DC voltage.

29. The power supply equipment according to claim 28 including the second cable, the second cable having a proximal end connector which detachably mates with the second connector.

30. The power supply equipment according to claim 29, wherein the second cable is affixed with a distal end connector for detachably mating with the second electronic device.

31. The power supply equipment according to claim 29, wherein the second cable is affixed with a distal end connector and the power supply equipment includes a connector adapter having a first end which detachably mates with the distal end connector and a second end which detachably mates with the second electronic device.

32. The power supply equipment according to claim 28, wherein the first cable has a proximal end connector which detachably mates with a third connector which is electrically coupled to the first DC voltage via the first connection point.

33. The power supply equipment according to claim 32 including the second cable, the second cable having a proximal end connector which detachably mates with the second connector.

34. The power supply equipment according to claim 33, wherein the second cable is affixed with a distal end connector for detachably mating with the second electronic device.

35. The power supply equipment according to claim 33, wherein the second cable is affixed with a distal end connector and the power supply equipment includes a second connector adapter having a first end which detachably mates with the distal end connector and a second end which detachably mates with the second electronic device.

36. The power supply equipment according to claim 28, wherein the input voltage is an AC voltage.

37. The power supply equipment according to claim 28, wherein the first electronic device is a laptop computer.

38. The power supply equipment according to claim 37, wherein the second electronic device is a cellular telephone.

39. The power supply equipment according to claim 28, wherein the second electronic device is a laptop computer.

40. The power supply equipment according to claim 39, wherein the first electronic device is a cellular telephone.