Pulse frequency modulation for induction charge device

• US 20060022636A1
• Filed: 07/30/2004
• Published: 02/02/2006
• Est. Priority Date: 07/30/2004
• Status: Active Grant

• Current Assignee: KYE Systems Corporation
• Original Assignee: KYE Systems Corporation
• Inventors: Lu, Shi-Hao, Xian, Bo-Xun, Zheng, Ren-Kai
• Granted Patent: US 7,151,357 B2
• Time in Patent Office: Days
• US Class Current: 320/108
• CPC Class Codes: G06F 3/03543 Mice or pucks G06F3/03541 takes precedence
• CPC Class Codes: G06F 3/0383 Signal control means within the pointing device
• CPC Class Codes: G06F 3/039 Accessories therefor, e.g. mouse pads
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 7/00304 Overcurrent protection
• CPC Class Codes: H02J 7/0044 specially adapted for holding portable devices containing batteries H02J7/0045 takes precedence

Abstract

The present invention is related to a pulse frequency modulation for induction charge device, which comprises a pulse frequency modulation for induction charge device being provided to charge a portable electronic device, wherein, the portable electronic device comprises a induction coil, which comprises: an electric magnetic field generate and the secondary coil react circuit; a detection and modulation generate circuit; and a control switch circuit; whereby, the detection and modulation generate circuit could generate pulse singles with various frequencies according to the load varying generated due to distance varying between the portable electronic device and the charged device, and charge to the portable electronic device according the pulse singles so as to reach the goal of effective management the power.

Claims

1. A pulse frequency modulation for induction charge device being provided to charge a portable electronic device, wherein, said portable electronic device comprises a induction coil, which comprises:

an electric magnetic field generate and the secondary coil react circuit, could electric magnetic couple to said induction coil, for reacting the electromagnetic varying of said reaction;

a detection and modulation generate circuit, coupled to said electric magnetic field generate and the secondary coil react circuit, for detecting the electromagnetic varying and outputting pulse singles with various frequencies according to said electromagnetic varying;

a control switch circuit, coupled to said electric magnetic field generate and the secondary coil react circuit, for controlling switch on or off according to said pulse singles; and

a power module, coupled to said control switch circuit, for providing power to said charged device;

whereby, said detection and modulation generate circuit can generate pulse singles with various frequencies according to the load varying generated due to distance varying between said portable electronic device and said charged device, and charge to said portable electronic device according to said pulse singles so as to reach the goal of effective management the power.

2. The pulse frequency modulation for induction charge device as claimed in claim 1, wherein said portable electronic device can be wireless home appliances or wireless computer peripheral devices.

3. The pulse frequency modulation for induction charge device as claimed in claim 1, wherein said power module can be direct current power from a USB or PS2 port or a external power adapter.

4. The pulse frequency modulation for induction charge device as claimed in claim 1, wherein said detection and modulation generate circuit is a pulse frequency modulation generate circuit, preferably.

5. The pulse frequency modulation for induction charge device as claimed in claim 1, wherein said control switch circuit is consisted of transistor circuit, preferably.

6. The pulse frequency modulation for induction charge device as claimed in claim 1, wherein it further comprises a over load protect circuit, which is coupled to said control switch circuit for reaching the goal of limiting current and over current protecting.

7. The pulse frequency modulation for induction charge device as claimed in claim 1, wherein it further comprises a base seat for providing said portable electronic device inserted therein so as to charge to said portable electronic device.

8. A portable electronic device, where can be electric magnetic coupled to a pulse frequency modulation for induction charge device for charging, wherein, said pulse frequency modulation for induction charge device comprises an electric magnetic field generate and the secondary coil react circuit and a pulse frequency modulation generating circuit, which comprises:

an induction coil, could react the frequency varying generated by said electric magnetic field generate and the secondary coil react circuit and convert it becoming a power signal;

a rectification circuit, coupled to said induction coil, for rectifying said power signal into a direct current power;

a rechargeable battery, coupled to said rectification circuit, for providing said direct current power to said portable electronic device; and

a device circuit, coupled to said rechargeable battery, for controlling said portable electronic device to execute relatively action.

9. The portable electronic device as claimed in claim 8, wherein said portable electronic device can be wireless home appliances or wireless computer peripheral devices.

10. The portable electronic device as claimed in claim 8, wherein it further comprises a switch circuit positioned between said rechargeable battery and said device circuit for controlling said device circuit working or not.

11. The portable electronic device as claimed in claim 10, wherein said switch circuit is a manual or automatic switch, preferably.

12. A pulse frequency modulation for induction charge device and a portable electronic device, wherein, said portable electronic device can be electric magnetic coupled to said pulse frequency modulation for induction charge device for charging, wherein, said pulse frequency modulation for induction charge device comprises:

an electric magnetic field generate and the secondary coil react circuit, could react the electromagnetic varying of said induction coil;

a detection and modulation generate circuit, coupled to said electric magnetic field generate and the secondary coil react circuit, for detecting the electromagnetic varying and outputting pulse singles with various frequencies according to said electromagnetic varying;

a control switch circuit, coupled to said electric magnetic field generate and the secondary coil react circuit, for controlling said switch on or off according to said pulse singles; and

wherein said portable electronic device comprises;

an induction coil, could be electric magnetic coupled to said electric magnetic field generate and the secondary coil react circuit, for reacting said frequency varying generated by said electric magnetic field generate and the secondary coil react circuit and converting it becoming a power signal;

a rectification circuit, coupled to said induction coil, for rectifying said power signal into a direct current power;

a rechargeable battery, coupled to said rectification circuit, for providing said direct current power to said portable electronic device; and

a device circuit, coupled to said rechargeable battery, for controlling said portable electronic device to execute relatively action;

whereby, said detection and modulation generate circuit could generate pulse singles with various frequencies according to the load varying generated due to distance varying between said portable electronic device and said charged device, and charge to said portable electronic device according said pulse singles so as to reach the goal of effective management the power.

13. The and a portable electronic device as claimed in claim 12, wherein said portable electronic device can be wireless home appliances or wireless computer peripheral devices.

14. The pulse frequency modulation for induction charge device and a portable electronic device as claimed in claim 12, wherein said pulse frequency modulation for induction charge device further comprises a power input port, which is coupled to said control switch circuit, for providing power to said pulse frequency modulation for induction charge device.

15. The pulse frequency modulation for induction charge device and a portable electronic device as claimed in claim 12, wherein said detection and modulation generate circuit is a pulse frequency modulation generate circuit, preferably.

16. The pulse frequency modulation for induction charge device and a portable electronic device as claimed in claim 12, wherein it further comprises a over load protect circuit, which is coupled to said control switch circuit for reaching the goal of limiting current and over current protecting.

17. The pulse frequency modulation for induction charge device and a portable electronic device as claimed in claim 12, wherein it further comprises a base seat for providing said portable electronic device inserted therein so as to charge to said portable electronic device.

18. The pulse frequency modulation for induction charge device and a portable electronic device as claimed in claim 12, wherein it further comprises a switch circuit positioned between said rechargeable battery and said device circuit for controlling said device circuit working or not.

19. The pulse frequency modulation for induction charge device and a portable electronic device as claimed in claim 12, wherein said switch circuit is a manual or automatic switch, preferably.