Back-up battery for a cellular telephone

• US 6,709,784 B2
• Filed: 12/21/2001
• Issued: 03/23/2004
• Est. Priority Date: 12/22/2000
• Status: Expired due to Fees

• Current Assignee: Jumpit AS (JUMPIT)
• Original Assignee: Jumpit AS (JUMPIT)
• Inventors: Resch, Øivind, Råberg, Michael, Lervik, Tore
• Primary Examiner(s): Gulakowski, Randy
• Assistant Examiner(s): Crepeau, Jonathan
• Application Number:
  US10/024,027
• Publication Number:
  US 20020081487A1
• Time in Patent Office: 823 Days
• Field of Search: 429/7, 429/96, 429/97, 429/99, 429/100, 429/123, 429/149, 429/156, 429/178, 320/103, 320/112, 320/114
• US Class Current: 429/123
• CPC Class Codes: H01M 10/46 Accumulators structurally combined with charging apparatus circuits for charging H02J7/00
• CPC Class Codes: H01M 50/209 adapted for prismatic or rectangular cells H01M50/216 takes precedence
• CPC Class Codes: H01M 6/5033 used as charging means for another battery
• CPC Class Codes: H02J 7/0044 specially adapted for holding portable devices containing batteries H02J7/0045 takes precedence
• CPC Class Codes: H02J 7/342 The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging with circuits for polarity protection H02J7/0034
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

The present invention relates to a back-up battery for an electronic device with a rechargeable battery, which electronic device is provided with a contact for connecting a battery charger and which back-up battery consists of one or more battery cells. According to the invention the terminals on the back-up battery are connected to a contact adapted to the contact for the battery charger on the electronic device, with the result that when it is connected to the electronic device'"'"'s battery charger contact the back-up battery will charge the electronic device'"'"'s rechargeable battery, thereby providing increased service life for the electronic device.

Claims

1. A back-up battery device for an electronic device with a rechargeable battery, which electronic device is provided with a contact for connecting a battery charger and which electronic device is provided with an inboard controller between the electronic device'"'"'s contact for the battery charger and the rechargeable battery,

which back-up battery device comprises one or more battery cells, electrically connected to a plug in the back-up battery device, wherein said plug is adapted to be connected to said contact of said electronic device

and the back-up battery device has a voltage that is identical to or exceeds the threshold voltage required for the electronic device'"'"'s inboard controller to accept the back-up battery device as a charger for the electronic device'"'"'s rechargeable battery.

2. A back-up battery device according to claim 1, wherein the one or more battery cells are permanently encased in the back-up battery device.

3. A back-up battery device according to claim 1, wherein the voltage of the back-up battery device is approximately 3.6 volts.

4. A back-up battery device according to claim 1, wherein the voltage of the back-up battery device is approximately 9 volts.

5. A back-up battery device according to claim 1, wherein a diode is electrically connected between the one or more battery cells and the plug in the back-up battery device.

18. A back-up battery device according to claim 2, wherein the voltage of the back-up battery device is approximately 3.6 volts.

19. A back-up battery device according to claim 2, wherein the voltage of the back-up battery device is approximately 9 volts.

20. A back-up battery device according to claim 2, wherein a diode is electrically connected between the one or more battery cells and the plug in the back-up battery device.

21. A back-up battery device according to claim 3, wherein a diode is electrically connected between the one or more battery cells and the plug in the back-up battery device.

22. A back-up battery device according to claim 4, wherein a diode is electrically connected between the one or more battery cells and the plug in the back-up battery device.

23. A back-up battery device according to claim 18, wherein a diode is electrically connected between the one or more battery cells and the plug in the back-up battery device.

24. A back-up battery device according to claim 19, wherein a diode is electrically connected between the one or more battery cells and the plug in the back-up battery device.

6. Device comprising an electronic device with a rechargeable battery which electronic device is provided with a contact for connecting a battery charger and an electronic control circuit connected between the electronic device'"'"'s contact for the battery charger and the rechargeable battery, which control circuit controls the charging of the rechargeable battery when supplied through the contact with a current at a voltage above a predefined threshold voltage,

characterized in that the device comprises a back-up battery device with a plug compatible with the contact for the battery charger in the electronic device and that the back-up battery device comprises one or more battery cells which are electrically connected to the plug and that

the back-up battery device when connected to the electronic device supplies the electronic circuit with a current at a voltage which is identical to or exceeds the threshold voltage required by the electronic device'"'"'s electronic control circuit.

7. A device according to claim 6, wherein the one or more battery cells are permanently encased in the back-up battery device.

8. A device according to claim 6, wherein the voltage in the one or more battery cells inside the device is approximately 3.6 volts.

9. A device according to claim 7, wherein the voltage in the one or more battery cells inside the device is approximately 3.6 volts.

10. A device according to claim 6, wherein the voltage in the one or more battery cells inside the device is approximately 9 volts.

11. A device according to claim 7, wherein the voltage in the one or more battery cells inside the device is approximately 9 volts.

12. A device according to claim 6, wherein a diode is electrically connected between the one or more battery cells and the plug in the device.

13. A device according to claim 7, wherein a diode is electrically connected between the one or more battery cells and the plug in the device.

14. A device according to claim 8, wherein a diode is electrically connected between the one or more battery cells and the plug in the device.

15. A device according to claim 9, wherein a diode is electrically connected between the one or more battery cells and the plug in the device.

16. A device according to claim 10, wherein a diode is electrically connected between the one or more battery cells and the plug in the device.

17. A device according to claim 11, wherein a diode is electrically connected between the one or more battery cells and the plug in the device.

25. A back-up battery device comprising:

one or more cells electrically connected to

a plug wherein the plug is adapted to fit a charging contact of an electronic device and the charging contact is connected to an inboard charge controller and the inboard charge controller is connected to a rechargeable battery in the electronic device, and wherein

a voltage level is produced by the one or more cells that is sufficiently high so as to invoke charging through the inboard charge controller.

26. A back-up battery device according to claim 25 wherein the one or more cells are connected to a diode and the diode is connected to the plug.

27. A method for using a back-up battery device to recharge a rechargeable battery in an electronic device wherein:

the back-up battery device comprises;

one or more cells electrically connected to

a plug wherein the plug is adapted to fit a charging contact of the electronic device, and

a voltage level produced by the one or more cells that is sufficiently high so as to invoke charging of the rechargeable battery;

the electronic device comprises;

a charging contact connected to

an inboard charge controller and the inboard charge controller is connected to

a rechargeable battery in the electronic device;

wherein

charging is begun by connecting the plug to the charging contact.