Wireless sensor unit communication triggering and management
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G08C-019/04
H04W-052/02
G08B-001/08
G08B-025/00
G08B-017/10
G06F-001/32
G08B-025/10
G08B-017/00
H04Q-009/02
G08B-021/18
H04W-084/18
G08B-021/14
G08B-013/04
H04Q-009/00
출원번호
US-0090973
(2016-04-05)
등록번호
US-9723559
(2017-08-01)
발명자
/ 주소
Kates, Lawrence
출원인 / 주소
Google Inc.
인용정보
피인용 횟수 :
4인용 특허 :
212
초록▼
Various embodiments of wireless ambient sensor unit are presented. The sensor unit may include a wireless transceiver configured to transmit sensor data and to receive instructions. The sensor unit may include a sensor configured to measure an ambient condition. The sensor unit may include a control
Various embodiments of wireless ambient sensor unit are presented. The sensor unit may include a wireless transceiver configured to transmit sensor data and to receive instructions. The sensor unit may include a sensor configured to measure an ambient condition. The sensor unit may include a controller in communication with the wireless transceiver and the sensor. The controller may be configured to compare data measured about the ambient condition to a stored threshold while the wireless ambient sensor unit is functioning in a low-power mode. The controller may be configured to exit the low-power mode in response to the comparison of the data with the stored threshold. The controller may be configured to cause the data measured about the ambient condition to be transmitted by the wireless transceiver as one or more messages in response to the comparison to the stored threshold.
대표청구항▼
1. A wireless ambient sensor unit, comprising: a wireless transceiver;a sensor configured to measure quantitative data about an ambient condition;a controller in communication with the wireless transceiver and the sensor, the controller configured to: compare the quantitative data measured about the
1. A wireless ambient sensor unit, comprising: a wireless transceiver;a sensor configured to measure quantitative data about an ambient condition;a controller in communication with the wireless transceiver and the sensor, the controller configured to: compare the quantitative data measured about the ambient condition to a stored threshold value while the wireless ambient sensor unit is in a low-power mode;exit the low-power mode in response to the comparison of the quantitative data with the stored threshold value; andin response to the exit of the low-power mode, transmit the quantitative data measured about the ambient condition as one or more messages, using the wireless transceiver, the quantitative data being transmitted while the wireless ambient sensor unit is out of the low-power mode and each message includes an address that identifies the wireless ambient sensor unit, a checksum, and an authenticity portion for use in verifying an authenticity of the message. 2. The wireless ambient sensor unit of claim 1, wherein the controller is further configured for at least a portion of the address to be programmed into the wireless ambient sensor unit during an installation process. 3. The wireless ambient sensor unit of claim 1, wherein power is not provided to the wireless transceiver in the low-power mode. 4. The wireless ambient sensor unit of claim 1, wherein the controller is further configured to: receive a message, via the wireless transceiver to reprogram at least a portion of the address; andreprogram at least the portion of the address based on the received message. 5. The wireless ambient sensor unit of claim 1, wherein the wireless transceiver is configured to use a spread spectrum technique for transmitting the quantitative data measured about the ambient condition. 6. The wireless ambient sensor unit of claim 1, wherein the controller is further configured to: exit the low-power mode on a periodic basis;transmit a status message using the wireless transceiver;for a predefined period of time following the transmission of the status message, enter a receive mode to wait for a command to be received via the wireless transceiver; andenter the low power mode following expiration of the predefined period of time. 7. The wireless ambient sensor unit of claim 1, wherein the ambient condition is one of a level of carbon monoxide or a level of smoke. 8. The wireless ambient sensor unit of claim 1, further comprising: a reset switch in communication with the controller, and wherein the controller is further configured to:in response to actuation of the reset switch, cause the wireless ambient sensor unit to enter a receive mode to receive the address, via the wireless transceiver, to program into the wireless ambient sensor unit. 9. The wireless ambient sensor unit of claim 1, further comprising: a tamper sensor in communication with the controller, and wherein the controller is further configured to:receive a tamper indication from the tamper sensor indicative of tampering with the wireless ambient sensor unit;in response to the reception of the tamper indication, exit the low-power mode; andtransmit a message including an indication of the tampering via the wireless transceiver. 10. The wireless ambient sensor unit of claim 1, further comprising an audio output device, and wherein the controller is in communication with the audio output device. 11. The wireless ambient sensor unit of claim 1, wherein the controller is further configured to: measure a signal strength received using the wireless transceiver; androute transmission of the one or more messages based on the measured signal strength. 12. The wireless ambient sensor unit of claim 1, wherein the controller is further configured to: prior to the transmission of the one or more messages, listen to a radio frequency channel, using the wireless transceiver, to determine if the radio frequency channel is in use; andin response to the determination that the radio frequency channel is not is use, transmit the one or more messages via the radio frequency channel. 13. A method for using a wireless ambient sensor unit, the method comprising: measuring an ambient condition with a sensor of the wireless ambient sensor;comparing quantitative data measured about the ambient condition to a stored threshold value while the wireless ambient sensor unit is in a low-power mode;exiting the low-power mode in response to the comparison of the quantitative data with the stored threshold value; andin response to said exiting the low-power mode, transmitting, with a wireless transceiver of the wireless ambient sensor unit, one or more messages indicative of the quantitative data measured about the ambient condition, the quantitative data being transmitted while the wireless ambient sensor unit is out of the low-power mode and each message including an address that identifies the wireless ambient sensor unit, a checksum, and an authenticity portion for use in verifying an authenticity of the message. 14. The method of claim 13, further comprising: exiting the low-power mode on a periodic basis;transmitting a status message using the wireless transceiver;for a predefined period of time following said transmitting the status message, entering a receive mode to wait for a command to be received via the wireless transceiver; andentering the low power mode following expiration of the predefined period of time. 15. The method of claim 13, wherein the ambient condition is one of a level of carbon monoxide or a level of smoke. 16. The method of claim 13, further comprising: measuring a signal strength received using the wireless transceiver; androuting transmission of the one or more messages based on the measured signal strength. 17. A system for sensing an ambient condition, the system comprising: a wireless ambient sensor unit configured to: measure the ambient condition with a sensor;compare quantitative data measured about the ambient condition to a stored threshold value while the wireless ambient sensor unit is in a low-power mode;exit the low-power mode in response to the comparison of the quantitative data with the stored threshold value; andin response to the exit of the low-power mode, transmit, with a wireless transceiver, one or more messages indicative of the quantitative data measured about the ambient condition, the quantitative data being transmitted while the wireless ambient sensor unit is out of the low-power mode and each message includes an address that identifies the wireless ambient sensor unit, a checksum, and an authenticity portion for use in verifying an authenticity of the message. 18. The system of claim 17, further comprising: a repeater device configured to: receive from the wireless ambient sensor unit, the one or more messages indicative of the data about the ambient condition; andtransmit the one or more messages to a base unit. 19. The system of claim 18, wherein the repeater device is further configured to: attach an address of the repeater device to the one or more messages prior to the transmission of the one or more messages to the base unit. 20. The system of claim 18, wherein the repeater device is further configured to: compare the address in the one or more messages received from the wireless ambient sensor unit to a stored database that includes a plurality of sensor addresses; andignore the one or more messages based on the address not being included in the plurality of sensor addresses.
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