Advertising device

Details Advertising device Advertising device

1988-02-01

1989-08-01

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

340326, G08B 2300

Patent

active

048536784

ABSTRACT:
An advertising device for use in retail outlets, including a passive infra-red sensing system, a sign bearing a message, and signalling means by which the attention of persons in the vicinity can be attracted, wherein the presence of persons in the vicinity may be detected by the sensing means and said signalling means may be activated to attract attention to the sign.

REFERENCES:
patent: 3594760 (1971-07-01), Haker
patent: 3916401 (1975-10-01), Freeman
patent: 4222188 (1980-09-01), Tarrant et al.
patent: 4249684 (1981-02-01), Miller et al.
patent: 4346427 (1982-08-01), Blissett et al.
patent: 4358754 (1982-11-01), Young et al.
patent: 4391204 (1983-07-01), Mitchell et al.
patent: 4709330 (1987-11-01), Yokoi et al.
patent: 4722285 (1988-02-01), Goodman

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