Electromagnetic field induction for inter-body and transverse body communication
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01Q-021/00
H01Q-007/00
H01Q-001/22
출원번호
US-0551988
(2014-11-24)
등록번호
US-9774096
(2017-09-26)
발명자
/ 주소
Gommé, Liesbeth
Kersalaers, Anthony
출원인 / 주소
NXP B.V.
인용정보
피인용 횟수 :
0인용 특허 :
48
초록▼
A electromagnetic induction wireless communication system including: a magnetic antenna; an electric antenna; a tuning capacitor coupled to the antenna combination configured to tune the antenna combination; a controller configured to control the operation of the communication system; a signal sourc
A electromagnetic induction wireless communication system including: a magnetic antenna; an electric antenna; a tuning capacitor coupled to the antenna combination configured to tune the antenna combination; a controller configured to control the operation of the communication system; a signal source coupled to the controller configured to produce a communication signal used to drive the magnetic antenna and the electric antenna; a voltage control unit coupled to the signal source configured to produce one of an amplitude difference, phase difference, and an amplitude and a phase difference between the communication signal used to drive the magnetic antenna and electric antenna.
대표청구항▼
1. An electromagnetic induction wireless transceiver comprising: a magnetic antenna comprising a coil;an electric antenna comprising a capacitor including first and second plates, the coil connected in parallel with the capacitor, the first plate positioned adjacent to and coupled to a first living
1. An electromagnetic induction wireless transceiver comprising: a magnetic antenna comprising a coil;an electric antenna comprising a capacitor including first and second plates, the coil connected in parallel with the capacitor, the first plate positioned adjacent to and coupled to a first living body; anda signal source configured to produce a generated communication signal used to drive the magnetic antenna to produce a generated near-field magnetic field and to drive the electric antenna to produce a generated near-field electric field,wherein the transceiver, when positioned adjacent to and coupled to the first living body, is configured to communicate with another electromagnetic induction wireless transceiver positioned adjacent to and coupled to a second living body,wherein the first and second living bodies are connected through skin contact,wherein the generated near-field electric field is coupled to the first and second living bodies, andwherein the generated near-field magnetic field passes through the first and second living bodies. 2. The transceiver of claim 1, further comprising a tuning capacitor coupled to an antenna combination configured to tune the antenna combination, wherein the antenna combination includes the magnetic antenna and the electric antenna. 3. The transceiver of claim 1, wherein there is no galvanic connection between the transceiver and ground. 4. The transceiver of claim 1, further comprising a voltage control unit coupled to the signal source configured to produce one of an amplitude difference, phase difference, and an amplitude and a phase difference between the communication signals used to drive the magnetic antenna and electric antenna. 5. The transceiver of claim 4, further comprising a controller including a data processing unit and signal processing unit, wherein the controller controls the operation of the voltage control unit. 6. The electromagnetic induction wireless transceiver of claim 1, further comprising: a signal detector configured to detect a received communication signal carried via a received near-field magnetic field detected on the magnetic antenna and a received near-field electric field detected on the electric antenna,wherein the received near-field electric field is coupled to the first and second living bodies, andwherein the received near-field magnetic field passes through the first and second living bodies. 7. The electromagnetic induction wireless communication system of claim 1, wherein the generated near-field magnetic field and the generated near-field electric field are generated by a same voltage signal. 8. The electromagnetic induction wireless transceiver of claim 1, wherein the transceiver is implemented in a hearing aid device. 9. The electromagnetic induction wireless transceiver of claim 1, wherein the transceiver is implemented in a wrist device. 10. An electromagnetic induction wireless communication system comprising a transmitter, the transmitter comprising: a magnetic antenna comprising a coil;an electric antenna comprising a capacitor including first and second plates, the coil connected in parallel with the capacitor, the first plate positioned adjacent to and coupled to a first living body; anda signal source configured to produce a generated communication signal used to drive the magnetic antenna to produce a generated near-field magnetic field and to drive the electric antenna to produce a generated near-field electric field,wherein the transmitter when positioned adjacent to and coupled to the first living body is configured to communicate with a receiver of the electromagnetic induction wireless communication system positioned adjacent to and coupled to a second living body,wherein the first and second living bodies are connected through skin contact,wherein the generated near-field electric field is coupled to the first and second living bodies, andwherein the generated near-field magnetic field passes through the first and second living bodies. 11. The electromagnetic induction wireless communication system of claim 10, the transmitter further comprising a tuning capacitor coupled to an antenna combination configured to tune the antenna combination, wherein the antenna combination includes the magnetic antenna and the electric antenna. 12. The electromagnetic induction wireless communication system of claim 10, wherein there is no galvanic connection between the transmitter and ground. 13. The electromagnetic induction wireless communication system of claim 10, further comprising a voltage control unit coupled to the signal source configured to produce one of an amplitude difference, phase difference, and an amplitude and a phase difference between communication signals used to drive the magnetic antenna and electric antenna. 14. The electromagnetic induction wireless communication system of claim 13, further comprising a controller including a data processing unit and signal processing unit, wherein the controller controls the operation of the voltage control unit. 15. The electromagnetic induction wireless communication system of claim 10, wherein the receiver comprises: a second magnetic antenna comprising a second coil;a second electric antenna comprising a second capacitor including first and second plates, the second coil connected in parallel with the second capacitor, the first plate of the second capacitor positioned adjacent to and coupled to the second living body; anda signal detector configured to detect a received communication signal from the transmitter via a received near-field magnetic field detected by the second magnetic antenna and a received near-field electric field detected by the second electric antenna,wherein the received near-field electric field is coupled to the first and second living bodies, andwherein the received near-field magnetic field passes through the first and second living bodies. 16. The electromagnetic induction wireless communication system of claim 15, wherein the receiver further comprises a tuning capacitor coupled to an antenna combination configured to tune the antenna combination, wherein the antenna combination includes the second magnetic antenna and the second electric antenna. 17. The electromagnetic induction wireless communication system of claim 15, wherein there is no galvanic connection between the receiver and ground. 18. The electromagnetic induction wireless communication system of claim 15, wherein the receiver further comprises a controller including a data processing unit and signal processing unit, wherein the controller controls the operation of the receiver. 19. The electromagnetic induction wireless communication system of claim 13, wherein the signal source comprises a first signal generator and a second signal generator, the first and second signal generators are configured to generate a balanced voltage signal applied to the magnetic antenna. 20. The electromagnetic induction wireless communication system of claim 19, wherein the voltage control unit is configured to produce a second voltage signal based on the balanced voltage signal, the second voltage signal applied to the electric antenna.
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