Communications: electrical – Systems – Call station
Patent
1977-05-05
1978-05-16
Swann, III, Glen R.
Communications: electrical
Systems
Call station
340283, G08B 1314
Patent
active
040901831
ABSTRACT:
A housing contains a battery-operated alarm and a spring clip to hold a billfold to the housing. A plate is removably attached to the housing and functions to hold open a switch in the alarm's circuit. If a thief attempts to steal the billfold, the housing is separated from the plate, allowing the switch to close and sound the alarm. A control lever allows the owner to release the billfold when he wishes to remove it from the spring clip.
REFERENCES:
patent: 3701140 (1972-10-01), Dixon
patent: 3815118 (1974-06-01), McDonald
patent: 3930249 (1975-12-01), Steck et al.
patent: 3938126 (1976-02-01), Ransom
patent: 3959789 (1976-05-01), McGahee
Bobis Daniel H.
Lawrence Peska Associates Inc.
Swann III Glen R.
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