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WIRELESS SENSOR DEVICE AND WIRELESS SENSOR SYSTEM UPDATE

外国特許コード F190009677
整理番号 S2017-0006-C0
掲載日 2019年1月22日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2017JP036434
国際公開番号 WO 2018066687
国際出願日 平成29年10月6日(2017.10.6)
国際公開日 平成30年4月12日(2018.4.12)
優先権データ
  • 特願2016-198879 (2016.10.7) JP
  • 特願2017-168379 (2017.9.1) JP
発明の名称 (英語) WIRELESS SENSOR DEVICE AND WIRELESS SENSOR SYSTEM UPDATE
発明の概要(英語) The present invention is equipped with: a circuit part in which a direct-current voltage source, a resistor, and a storage capacitor are connected; a voltage detection circuit for detecting a voltage obtained by the circuit part; and a wireless transmission circuit for wirelessly transmitting a preset identification signal when the voltage detected by the voltage detection circuit has reached a threshold voltage. A sensor component is disposed such that at least one of the values among the voltage value of the direct-current voltage source, the resistance value of the resistor, the capacitance value of the storage capacitor, and the threshold value detected by the voltage detection circuit changes in a correlated manner to a detected physical quantity, and the wireless transmission circuit wirelessly transmits the identification signal at an interval correlated to the physical quantity detected by the sensor component. As a result, the side receiving the identification signal can determine the value of the physical quantity from the reception interval of the identification signal.
従来技術、競合技術の概要(英語) BACKGROUND ART
When everything is connected to the Internet era comes IoT(Internet of Things), wherever a small wireless sensor is attached would come to the situation. Is installed on the wireless sensor device, physical quantity measured at various locations, the receiving device can be collected and managed. Located at various locations such as the wireless sensor device, also referred to as the sensor.
The conventional wireless sensor, the sensor element for measuring physical quantities, the output of one sensor element to obtain data from the physical quantity (hereinafter, referred to as a 'microcomputer') a microcomputer and, in the physical data for the microcomputer to obtain a radio transmitter circuit, a battery or other power source. The microcomputer, an analog signal obtained from the sensor element after amplification, the internal analog/digital converter into a digital signal, the converted digital signal is supplied to the wireless transmission circuit. Wireless transmission circuit is used, the supplied digital signal for wireless transmission. A radio transmission when the wireless transmission of a digital signal, a transmission destination ID number or the like for recognizing the header of the data (digital signal) is added to the detected transmission is being performed.
In such a wireless sensor, the battery can be driven for a long time in order to reduce the power consumption is required, for example in Patent Document 1, and the intermittent operation of the wireless sensor device, so as to repeat a sleep state and operating state, power saving for the wireless sensor node are described. In addition, the inventors of the present invention previously proposed in Non-Patent Document 1, measures the power consumption in the wireless sensor device is described.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • THE UNIVERSITY OF ELECTRO-COMMUNICATIONS
  • 発明者(英語)
  • ISHIBASHI Koichiro
国際特許分類(IPC)
指定国 National States: AE AG AL AM AO AT AU AZ BA BB BG BH BN BR BW BY BZ CA CH CL CN CO CR CU CZ DE DJ DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IR IS JO JP KE KG KH KN KP KR KW KZ LA LC LK LR LS LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PA PE PG PH PL PT QA RO RS RU RW SA SC SD SE SG SK SL SM ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN ST TD TG
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