Border flashers

Details Border flashers Border flashers

1974-03-13

1976-01-20

Curtis, Marshall M.

Communications: electrical

Audible indication

Percussion-type sound producer

340379, G09F 1300

Patent

active

039342492

ABSTRACT:
An improved border lamp flasher device employing electronic circuitry by which lamps are switched on and off in such a way as to make it appear as if the lamps are circulating around the border of a sign, marquee or the like, or an attention getter advertising display. It omits any electro-mechanical switching means, using only solid-state circuits of the sub-miniature integrated circuit type, which are becoming increasingly inexpensive as mass production and ultimate industrial use increases. This eliminates sparking contacts which have had considerable damaging effects on television reception.

REFERENCES:
patent: 1920229 (1933-08-01), Wright
patent: 3222527 (1965-12-01), Low et al.
patent: 3432846 (1969-03-01), Jones et al.
patent: 3555351 (1971-01-01), Sherwin
patent: 3569778 (1971-03-01), Leverte
patent: 3710379 (1973-01-01), Bruinsma
patent: 3813539 (1974-05-01), Sioma

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