TEMPERATURE SENSOR INTEGRATED IN RFID LABEL

Title:

TEMPERATURE SENSOR INTEGRATED IN RFID LABEL

Document Type and Number:

WIPO Patent Application WO/2016/112719

Kind Code:

A1

Abstract:

Provided is a temperature sensor integrated in an RFID label, comprising a temperature control oscillator, a numerical control oscillator, and a phase detector; the output terminal of the temperature control oscillator is connected to the input terminal of the phase detector; the output terminal of the numerical control oscillator is connected to the other input terminal of the phase detector; the digital output terminal of the phase detector is connected to the input terminal of the numerical control oscillator; the temperature sensor converts temperature change to frequency change, converting a digital signal within a frequency domain and avoiding the use of an ADC having a very high power consumption; an all-digital architecture is employed, the configuration of the circuit is simple, and good linearity is maintained between input and output, and the degree of linearity is high; the invention can be operated at an ultra-low power supply voltage approaching a process threshold voltage, has an overall power consumption of less than 1μW, and is suitable for the design of a temperature sensor integrated in an RFID label.

More Like This:

WO/2008/046850	PROCESS FOR THE COLLECTIVE FABRICATION OF CALIBRATION-FREE SENSORS BASED ON ACOUSTIC WAVE DEVICES
JPS63171331	IN-VIVO TEMPERATURE MEASURING INSTRUMENT
WO/2010/088011	MEMS DEVICES AND REMOTE SENSING SYSTEMS UTILIZING THE SAME

Inventors:

HE YIGANG (CN)
DENG FANGMING (CN)
ZUO LEI (CN)
YIN BAIQIANG (CN)
LI BING (CN)
YUAN LIFEN (CN)
XIANG SHENG (CN)
HE WEI (CN)

Application Number:

PCT/CN2015/092245

Publication Date:

July 21, 2016

Filing Date:

October 20, 2015

Export Citation:

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Assignee:

UNIV HEFEI TECHNOLOGY (CN)

International Classes:

G01K7/32; H03L7/099

Foreign References:

CN104568208A	2015-04-29
CN102175338A	2011-09-07
CN203340020U	2013-12-11
CN202978895U	2013-06-05
CN102682330A	2012-09-19
CN102762967A	2012-10-31
SU538244A1	1976-12-05

Attorney, Agent or Firm:

CHANGSHA XINGYAO PATENT FIRM (CN)
长沙星耀专利事务所 (CN)

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