Patent · US Expired

Signal device using percussive flashlamps

US4055759A · kind A · utility

16Cited by
11References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 14, 1976
Grant dateOct 25, 1977
Priority date
Expiry dateJun 14, 1996

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG08B5/38
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A signal device comprising a partially transparent package containing a plurality of percussively-ignitable flashlamps arranged in an array with respectively associated preenergized striker springs, and a movable member for sequentially releasing the striker springs to fire respective flashlamps in response to successive indexing. The device is adapted to be hand held and the movable member is adapted to be actuated and indexed directly by hand.

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