US Patent 8373543 RFID transponder using ambient radiation
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Patent abstract
A tag operates in an environment where transmitted interrogators are not possible or desired. High-efficiency diode rectifiers and low-power oscillators are used in combination with an energy storage element and hysteretic switch. The combination of multi-diode rectifier, low power tunnel diode oscillator, energy storage element and hysteretic switch allow for nanowatt levels of received RF power to be stored to produce micro-watts of RF transmit power. The device trickle charges off of ambient RF radiation until enough energy is stored for transmission.
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US Patent 08373543 RFID transponder using ambient radiation US Patent 8373543 RFID transponder using ambient radiation
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Patent Number
0837354300
Patent Number
837354300
Edits on 22 Apr, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
083735430
Date of Patent
February 12, 2013
0Patent Application Number
126445610
Date Filed
December 22, 2009
0Patent Primary Examiner
Edits on 28 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
083735430
Date of Patent
February 12, 2013
0Patent Application Number
126445610
Date Filed
December 22, 2009
0Patent Primary Examiner
Edits on 15 Dec, 2021
Golden AI
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US Patent 08373543 RFID transponder using ambient radiation
Infobox
Is a
Patent jurisdiction
Patent number
08373543
Date of patent
February 12, 2013
Patent application number
12644561
Date Filed
December 22, 2009
Patent primary examiner
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