Patent · US Expired

Shock sensor

US5506568A · kind A · utility

7Cited by
2References
26Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 30, 1995
Grant dateApr 9, 1996
Priority date
Expiry dateMay 30, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG08B13/1681
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A shock sensor includes a mass suspended in a flexible support arranged to resonate when subjected to a mechanical shock, a microphone spaced closely to the mass, the mass and microphone forming a first air pressure chamber with the flexible support for transmittal therethrough of air pressure waves from the resonating mass to the microphone, the microphone arranged to produce an electronic signal when it detects changes in air pressure from the pressure waves traveling through the chamber.

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