Communications: electrical – Systems – Call station
Patent
1977-04-04
1978-03-21
Swann, III, Glen R.
Communications: electrical
Systems
Call station
340283, G08B 1314
Patent
active
040805956
ABSTRACT:
An audible alarm device attachable to the clothing of the user has a flexible chain extending therefrom and terminating in a clip means attachable to a wallet in a nearby pocket. The interconnecting chain is wound upon a spring-stressed reel journalled within the device and having at one end an abutment member which, upon turning in response to pulling upon the chain, abuttingly contacts and moves an electrical switch actuating member from open to close circuit position for energizing a buzzer sounding an alarm that the wallet has been surreptitiously removed from the pocket.
REFERENCES:
patent: 3930249 (1975-12-01), Steck et al.
patent: 3938126 (1976-02-01), Ransom
Schmidt Ernest H.
Swann III Glen R.
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