Method and apparatus for controlling access to a facility

Details Method and apparatus for controlling access to a facility Method and apparatus for controlling access to a facility

1977-04-25

1980-02-19

Caldwell, Sr., John W.

Communications: electrical

Selective

Having indication or alarm

177136, 177142, 180114, 235 91L, 307 10AT, 340542, 340666, B60R 2504, G01G 1908, G01G 1944

Patent

active

041897080

ABSTRACT:
The system denies unauthorized access to a locked facility by a person having a weight characteristic differing from that of the weight characteristic of the person locking a facility such as an automotive ignition system. The system comprises a method and apparatus which may be selectively activated to measure a deflection caused by a person seated in the vehicle's driver seat. The deflection is a weight information which is stored. A person subsequently seated in the vehicle seat and attempting to operate the igniton causes a second measuring operation and a comparison of the newly measured weight information with the stored information to test for a substantial parity therebetween. A substantial parity of these weights allows operation of the starting motor of a vehicle. A disparity between the weights operates a timer and/or alarm means while disabling the vehicle starter motor. The system may be used to control access to various other kinds of locked facilities such as locked rooms or buildings.

REFERENCES:
patent: 3167142 (1965-01-01), Meneely
patent: 3538501 (1970-11-01), Nance
patent: 3611287 (1971-10-01), Hoff
patent: 3691396 (1972-09-01), Hinrichs
patent: 3750158 (1973-07-01), Anastassakis
patent: 3790933 (1974-02-01), Cort

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