Wireless communication device

• US 8,463,332 B2
• Filed: 08/22/2007
• Issued: 06/11/2013
• Est. Priority Date: 08/31/2006
• Status: Active Grant

• Current Assignee: Semiconductor Energy Laboratory Co., Ltd.
• Original Assignee: Semiconductor Energy Laboratory Co., Ltd.
• Inventors: Sato, Takehisa, Osada, Takeshi
• Primary Examiner(s): Gelin, Jean
• Application Number:
  US11/892,343
• Publication Number:
  US 20080058029A1
• Time in Patent Office: 2,120 Days
• Field of Search: 455/403, 455/19, 455/41.1, 455/562.1, 455/572, 455/573, 455/575.7, 455/121, 455/279.1, 455/343.1, 455/343.2, 455/343.5, 235/492, 235/451, 235/487, 340/825.54, 340/825.34, 340/825.53, 340/825.72, 340/825.69, 320/128, 320/109, 320/112, 320/113, 320/110, 320/145, 320/114, 320/162
• US Class Current: 455/573
• CPC Class Codes: G06K 19/0702 the arrangement including a battery
• CPC Class Codes: G06K 19/0707 the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation G06K19/0702 takes precedence
• CPC Class Codes: G06K 19/0723 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs

Abstract

It is an object of the present invention to facilitate charge of a battery of a wireless communication device. In addition, it is another object of the present invention to provide a wireless communication device capable of transmitting and receiving individual information without battery replacement which is required due to the power consumption of a battery. A wireless communication device includes a plurality of antenna circuits and a plurality of batteries electrically connected to any one of the plurality of antenna circuits through a switch, where the plurality of batteries are each electrically connected to a different circuit, the plurality of antenna circuits receive electric waves so that the plurality of batteries electrically connected to the plurality of antenna circuits are charged, and at least one of the plurality of antenna circuits receives an electric wave having a different frequency.

Claims

1. A wireless communication device comprising:

an antenna circuit electrically connected to a first switch, which is electrically connected to a first battery, which is electrically connected to a first circuit in series; and

the antenna circuit being electrically connected to a second switch, which is electrically connected to a second battery, which is electrically connected to a second circuit in series;

wherein the first and second batteries are capable of being charged by reception of a radio wave by the antenna circuit.

2. The wireless communication device according to claim 1,

wherein the antenna circuit receives a radio wave by an electromagnetic induction method.

3. The wireless communication device according to claim 1,

wherein the first and second batteries are selected from a lithium battery, a nickel-metal-hydride battery, a nickel-cadmium battery, or an organic-radical battery.

4. The wireless communication device according to claim 1,

wherein a ceramic capacitor, a double-layer electrolytic capacitor or a multilayer ceramic capacitor is provided instead of at least one of the first and second batteries.

5. The wireless communication device according to claim 1,

wherein at least one of the first and second circuits comprises a pixel portion.

6. The wireless communication device according to claim 1,

wherein at least one of the first and second circuits comprises a pixel portion, and

wherein the pixel portion has an electroluminescence element or a liquid crystal element.

7. A wireless communication device comprising:

a first antenna circuit electrically connected to a first switch, which is electrically connected to a first battery, which is electrically connected to a first circuit in series; and

a second antenna circuit electrically connected to a second switch, which is electrically connected to a second battery, which is electrically connected to a second circuit in series,

wherein the first and second batteries are capable of being charged by reception of a radio wave by the first and second antenna circuits, respectively.

8. The wireless communication device according to claim 7,

wherein at least one of the first and second antenna circuits receives a radio wave by an electromagnetic induction method.

9. The wireless communication device according to claim 7,

wherein the first and second batteries are selected from a lithium battery, a nickel-metal-hydride battery, a nickel-cadmium battery, or an organic-radical battery.

10. The wireless communication device according to claim 7,

wherein a ceramic capacitor, a double-layer electrolytic capacitor or a multilayer ceramic capacitor is provided instead of at least one of the first and second batteries.

11. The wireless communication device according to claim 7,

wherein at least one of the first and second antenna circuits receives a radio wave having a different frequency.

12. The wireless communication device according to claim 7,

wherein at least one of the first and second circuits comprises a pixel portion.

13. The wireless communication device according to claim 7,

wherein at least one of the first and second circuits comprises a pixel portion, and

wherein the pixel portion has an electroluminescence element or a liquid crystal element.

14. The wireless communication device according to claim 7, further comprising first and second communication control circuits,

wherein the first and second communication control circuits are electrically connected with the first and second antenna circuits, respectively, and

wherein the first and second communication control circuits transmit data outside through the first and second antenna circuits, respectively.

15. The wireless communication device according to claim 7, wherein the first and second antenna circuits each include a different antenna.

16. A wireless communication device comprising:

a first antenna circuit, a second antenna circuit, and a third antenna circuit;

a first battery electrically connected in series with the first antenna circuit through first switch and electrically connected in series with the second antenna circuit through a second switch; and

a second battery electrically connected in series with the third antenna circuit through a third switch,

wherein the first battery is capable of being charged by reception of a radio wave by at least one of the first antenna circuit and the second antenna circuit and the second battery is capable of being charged by reception of a radio wave by the third antenna circuit, and

wherein the first battery and the second battery are electrically connected with a first circuit and a second circuit, respectively.

17. The wireless communication device according to claim 16,

wherein at least one of the first antenna circuit, the second antenna circuit, and the third antenna circuit receives a radio wave by an electromagnetic induction method.

18. The wireless communication device according to claim 16,

wherein the first battery and the second battery are selected from a lithium battery, a nickel-metal-hydride battery, a nickel-cadmium battery, or an organic-radical battery.

19. The wireless communication device according to claim 16,

wherein a ceramic capacitor, a double-layer electrolytic capacitor or a multilayer ceramic capacitor is provided instead of at least one of the first battery and the second battery.

20. The wireless communication device according to claim 16,

wherein the first antenna circuit and the second antenna circuit each receive a radio wave having a different frequency.

21. The wireless communication device according to claim 16,

wherein at least one of the first circuit and the second circuit comprises a pixel portion.

22. The wireless communication device according to claim 16,

wherein at least one of the first circuit and the second circuit comprises a pixel portion, and

wherein the pixel portion has an electroluminescence element or a liquid crystal element.

23. The wireless communication device according to claim 16, wherein the first, second and third antenna circuits each include a different antenna.

24. A wireless communication device comprising:

a first antenna circuit and a second antenna circuit;

a signal processing circuit electrically connected with the first antenna circuit and the second antenna circuit; and

a first battery which is capable of being charged by reception of a radio wave by the first antenna circuit, and a second battery which is capable of being charged by reception of a radio wave by the second antenna circuit,

wherein the first antenna circuit transmits and receives a signal for transmitting and receiving data stored in the signal processing circuit outside, and

wherein the first battery and the second battery each supply electric power to a different circuit provided in the signal processing circuit.

25. The wireless communication device according to claim 24,

wherein at least one of the first antenna circuit and the second antenna circuit receives a radio wave by an electromagnetic induction method.

26. The wireless communication device according to claim 24,

wherein the first battery and the second battery are selected from a lithium battery, a nickel-metal-hydride battery, a nickel-cadmium battery, or an organic-radical battery.

27. The wireless communication device according to claim 24,

wherein a ceramic capacitor, a double-layer electrolytic capacitor or a multilayer ceramic capacitor is provided instead of at least one of the first battery and the second battery.

28. The wireless communication device according to claim 24,

wherein the first antenna circuit and the second antenna circuit each receive a radio wave having a different frequency.

29. The wireless communication device according to claim 24, wherein the first and second antenna circuits each include a different antenna.