Patent · US Expired

Sensing apparatus

US7265337B2 · kind B2 · utility

4Cited by
6References
24Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 24, 2005
Grant dateSep 4, 2007
Priority date
Expiry dateSep 26, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03K2217/94063
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

Motion sensing apparatus including at least one light sensitive electronic component, said component responsive to at least a first and second incident light level each level creating in said light sensitive component a first state and a second state, wherein the apparatus is configured to measure the response of the light sensitive component during the first state for at least one of the incident light levels and to compare the response with a previously recorded value.

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