Patent · US Active

Ambient condition detector with variable pitch alarm

US7605687B2 · kind B2 · utility

12Cited by
31References
38Claims
0Family size

Inventor

Key dates

Filing dateNov 9, 2006
Grant dateOct 20, 2009
Priority date—
Expiry dateJul 19, 2027

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG08B3/10
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

An ambient condition detector outputs an alarm comprising a tonal pattern comprising at least two distinctly different pitch tones in one embodiment of the invention. Another embodiment comprises a detector whereby a user can select a pitch tone to be output within a tonal pattern alarm when the detector senses an ambient condition. Options include verbal output to indicate the type of ambient condition sensed and/or the location of the detector sensing the ambient condition.

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