Security apparatus and method of using same

Details Security apparatus and method of using same Security apparatus and method of using same

1989-04-25

1990-08-14

Wolfe, Robert L.

Safes, bank protection, or a related device

Bank protection devices

Trapping mechanisms

109 7, 109 8, E05G 300

Patent

active

049477650

ABSTRACT:
The security method and apparatus relates to an electronically controlled latching mechanism which is adapted for use with a closure disposed on a vestibule. The closure is used to seal or close off a passageway or entrance between the vestibule and a protected or secured area. A security unit generates a signal which drives the latching mechanism from a latched to an unlatched position whenever an access control circuit generates an enablement signal. The enablement signal is generated whenever the vestibule is sealed and the weight of the person or persons within the vestibule, as determined by an electronic scale, compares with a predetermined weight value. A closure switch senses when the vestibule is closed, and a weight sensing mechanism senses the weight of a person or person disposed within the vestibule.

REFERENCES:
patent: 1915735 (1933-06-01), Helms
patent: 3750158 (1973-07-01), Anastassakis
patent: 3844232 (1974-10-01), Robinson
patent: 4060039 (1977-11-01), Lagarrigue
patent: 4063519 (1977-12-01), Pretini
patent: 4308803 (1982-01-01), Pretini
patent: 4475465 (1984-10-01), Hastings
patent: 4586441 (1986-05-01), Zekich
patent: 4643106 (1987-02-01), Aragona
patent: 4656954 (1987-04-01), Tonali

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