Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1985-01-10
1986-10-28
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
340687, G08B 1312
Patent
active
046201823
ABSTRACT:
A security device for use in retail stores for the prevention of retail theft, which includes an alarm mechanism which generates an alarm signal in response to electrical power being applied through a switch mechanism. The switch mechanism is controlled by a signal provided by a closed circuit mechanism. Whenever a closed circuit condition is created, for example, by cutting the cable which mechanically connects the retail item to the security device, electrical power is applied to the alarm mechanism. Thus, if a battery is used to supply electrical power, such battery is only drained during closed circuit conditions, maximizing battery life.
REFERENCES:
patent: 3253270 (1966-05-01), Downer
patent: 3742480 (1973-06-01), Hoecker
Check Mate Systems, Inc.
Renz Jr. Eugene E.
Swann III Glen R.
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