최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0169750 (2016-06-01) |
등록번호 | US-9743863 (2017-08-29) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 1214 |
Methods and apparatus for providing a power supply to a device, including an inductive rechargeable power supply for a data monitoring and management system in which a high frequency magnetic field is generated to provide power supply to a rechargeable power source such as a battery of a transmitter
Methods and apparatus for providing a power supply to a device, including an inductive rechargeable power supply for a data monitoring and management system in which a high frequency magnetic field is generated to provide power supply to a rechargeable power source such as a battery of a transmitter unit in the data monitoring and management system are provided.
1. A system, comprising: a transcutaneous analyte sensor in contact with bodily fluid under skin of a patient, the analyte sensor configured to generate data signals corresponding to monitored analyte levels;a receiving device; andsensor electronics coupled to the analyte sensor to receive the data
1. A system, comprising: a transcutaneous analyte sensor in contact with bodily fluid under skin of a patient, the analyte sensor configured to generate data signals corresponding to monitored analyte levels;a receiving device; andsensor electronics coupled to the analyte sensor to receive the data signals, the sensor electronics configured to be inductively powered by an electromagnetic field and to transmit signals to the receiving device; wherein the receiving device includes an electromagnetic field generator to generate the electromagnetic field to inductively power the sensor electronics, the electromagnetic field generator including: an RF detection unit to receive the transmitted signals from the sensor electronics; anda threshold detection unit coupled to the RF detection unit to determine whether to generate the electromagnetic field based on at least one characteristic of the received signals from the sensor electronics. 2. The system of claim 1, wherein the electromagnetic field generator further includes a timer coupled to the threshold detection unit to control the generation of the electromagnetic field by being triggered by the threshold detection unit. 3. The system of claim 2, wherein the timer is triggered by the threshold detection unit when the threshold detection unit is generating the electromagnetic field. 4. The system of claim 3, wherein the timer is configured to control the generation of the electromagnetic field by turning the electromagnetic field generator on and off. 5. The system of claim 4, wherein the timer is configured to turn the electromagnetic field generator on and off according to a time period that is longer than one time interval between received signals from the sensor electronics, but shorter than two such time intervals. 6. The system of claim 1, wherein the electromagnetic field generator is configured to generate the electromagnetic field when the sensor electronics is within a predetermined range. 7. The system of claim 1, wherein the RF detection unit includes a rectifier configured to rectify amplitude envelopes of signals from the sensor electronics, and wherein the threshold detection unit includes a voltage comparator configured to compare signal amplitude levels of signals from the sensor electronics with a reference voltage, and wherein the at least one characteristic of the received signals from the sensor electronics includes the signal amplitude level of the received signals. 8. The system of claim 7, wherein the threshold detection unit is configured to determine that the electromagnetic field should be generated by determining that the signal amplitude level exceeds the reference voltage. 9. The system of claim 1, further comprising a manual switch for a user to cause the electromagnetic field generator to generate the electromagnetic field. 10. The system of claim 1, wherein the receiving device further includes a power source coupled to the electromagnetic field generator. 11. An apparatus, comprising: an electromagnetic field generator to generate an electromagnetic field to inductively power a sensor electronics coupled to a transcutaneous analyte sensor in contact with bodily fluid under a skin surface of a patient, the analyte sensor configured to generate data signals corresponding to monitored analyte levels, and the sensor electronics configured to transmit signals;wherein the electromagnetic field generator includes: an RF detection unit to receive the transmitted signals from the sensor electronics; anda threshold detection unit coupled to the RF detection unit to determine whether to generate the electromagnetic field based on at least one characteristic of the received signals from the sensor electronics. 12. The apparatus of claim 11, wherein the electromagnetic field generator further includes a timer coupled to the threshold detection unit to control the generation of the electromagnetic field by being triggered by the threshold detection unit. 13. The apparatus of claim 12, wherein the timer is triggered by the threshold detection unit when the threshold detection unit is generating the electromagnetic field. 14. The apparatus of claim 13, wherein the timer is configured to control the generation of the electromagnetic field by turning the electromagnetic field generator on and off. 15. The apparatus of claim 14, wherein the timer is configured to turn the electromagnetic field generator on and off according to a time period that is longer than one time interval between received signals from the sensor electronics, but shorter than two such time intervals. 16. The apparatus of claim 11, wherein the electromagnetic field generator is configured to generate the electromagnetic field when the sensor electronics is within a predetermined range. 17. The apparatus of claim 11, wherein the RF detection unit includes a rectifier configured to rectify amplitude envelopes of signals from the sensor electronics, and wherein the threshold detection unit includes a voltage comparator configured to compare signal amplitude levels of signals from the sensor electronics with a reference voltage, and wherein the at least one characteristic of the received signals from the sensor electronics includes the signal amplitude level of the received signals. 18. The apparatus of claim 17, wherein the threshold detection unit is configured to determine that the electromagnetic field should be generated by determining that the signal amplitude level exceeds the reference voltage. 19. The apparatus of claim 11, further comprising a manual switch for a user to cause the electromagnetic field generator to generate the electromagnetic field. 20. The apparatus of claim 11, further including a power source coupled to the electromagnetic field generator.
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