Visual and auditory signaling system

Details Visual and auditory signaling system Visual and auditory signaling system

1988-07-26

1989-07-11

Crosland, Donnie L.

Communications: electrical

Systems

Plural

340321, 340908, 340471, 340473, 340474, 340436, 340464, G08B 2700, B60Q 700

Patent

active

048475890

ABSTRACT:
An emergency signal sending apparatus for emitting a preset sequence of visual and auditory signals. The apparatus can be manually or automatically switched so as to indicate the nature of assistance required by the signal sender. The signal sending apparatus can be equipped with a sudden or rollover motion sensing automatic switching device so that the preset signalling sequences will be initiated regardless of operator input. The signal sending apparatus includes an auditory signalling unit so that signalling can be successfully accomplished even if the sending apparatus is obscured from view.

REFERENCES:
patent: 3493924 (1970-02-01), Dobbins
patent: 3562705 (1971-02-01), Paris
patent: 3629821 (1971-12-01), Dobbins
patent: 4447802 (1984-05-01), Bose
patent: 4559517 (1985-12-01), Rahn

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