Patent · US Active

System and method of acoustic detection and location of fire sprinkler water discharge

US7797116B2 · kind B2 · utility

4Cited by

0References

6Claims

0Family size

Assignee

HONEYWELL INTERNATIONAL INC. · US

Inventors

Andrew G. Berezowski · Wallingford, US
Walter Heimerdinger · Minneapolis, US
Charles R. Obranovich · Blaine, US
John Phelps · Minneapolis, US
Michael D. Shields · Windom, US
Philip Zumsteg · Shorewood, US

Key dates

Filing date	Oct 12, 2006
Grant date	Sep 14, 2010
Priority date	—
Expiry date	Oct 4, 2027

Classification

Technology area (CPC A)Human Necessities
CPC primaryA62C37/50
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

A system and method to detect acoustic signals from fire sprinkler heads discharging water and to locate such devices in a public building, airport, sports stadium or other structure which can include a system to measure speech intelligibility. Time and frequency domain analysis are carried out to establish the presence of signals characteristic of water discharge from a fire sprinkler.

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