Patent · US Expired

Sensor

US7389674B2 · kind B2 · utility

11Cited by
4References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 15, 2005
Grant dateJun 24, 2008
Priority date
Expiry dateApr 22, 2026

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01D9/005
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An energy-autonomous sensor for detection of physical environmental parameters, having at least one sensor element, one storage element and one control circuit, with a timer circuit which is activated on reaching a predetermined electrical voltage on the storage element, activates the sensor and the control circuit at predetermined time intervals, and deactivates them after a predetermined operating time, such that this results in a time duration of sensor operation and a sensor operation pause.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.