Patent · US Active

Ambient condition detector with variable pitch alarm

US7956764B2 · kind B2 · utility

6Cited by
31References
20Claims
0Family size

Inventor

Key dates

Filing dateOct 16, 2009
Grant dateJun 7, 2011
Priority date—
Expiry dateDec 23, 2029

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.