Alarm device

Details Alarm device Alarm device

1976-07-20

1978-07-25

Habecker, Thomas B.

Communications: electrical

Systems

Periodic or flashing

340333, 340532, 340693, H05B 4100

Patent

active

041032985

ABSTRACT:
An indicator device for providing a high-intensity visual indication of an occurrence comprises a flash tube which is fed with a high voltage from a capacitor, the capacitor being charged by means energized from an intrinsically safe supply. Trigger pulses are applied to the flash tube in response to the occurrence, so that the tube emits flashes in response thereto. An annunciator can comprise a plurality of the devices housed in a single unit and fed from a single power supply.

REFERENCES:
patent: 3024386 (1962-03-01), Chauvineau
patent: 3278895 (1966-10-01), Pfund
patent: 3641491 (1972-02-01), Bath
patent: 3846750 (1974-11-01), Kearsley
patent: 3973168 (1976-08-01), Kearsley

Affiliated with

Also associated with

Rating

Alarm device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Alarm device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Alarm device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1424686