Wireless sensor with multiple sensing options

A wireless sensor includes a radio frequency (RF) front end and a sensing integrated circuit (IC). The RF front end includes an antenna that is operable to transceive RF signals and a tuning circuit. The sensing IC includes a power supply. The sensing IC is operable to detect an impedance change of...

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Bibliographische Detailangaben
1. Verfasser:	Young, Brian David
Format:	Patent
Sprache:	eng
Schlagworte:	ALARM SYSTEMS BANDAGES, DRESSINGS OR ABSORBENT PADS CALCULATING COMPUTING COUNTING DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HANDLING RECORD CARRIERS HUMAN NECESSITIES HYGIENE INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEDICAL OR VETERINARY SCIENCE ORDER TELEGRAPHS ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PHYSICS PRESENTATION OF DATA PROSTHESES RECOGNITION OF DATA RECORD CARRIERS SELECTING SIGNALLING SIGNALLING OR CALLING SYSTEMS TESTING TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS TREATMENT OR PROTECTION OF EYES OR EARS WIRELESS COMMUNICATIONS NETWORKS
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Beschreibung
Zusammenfassung:	A wireless sensor includes a radio frequency (RF) front end and a sensing integrated circuit (IC). The RF front end includes an antenna that is operable to transceive RF signals and a tuning circuit. The sensing IC includes a power supply. The sensing IC is operable to detect an impedance change of the power supply. The sensing IC is further operable to convert the impedance change into a digital value. The sensing IC is further operable to output, via the antenna, the digital value.