Motor vehicle screening apparatus and method

Details Motor vehicle screening apparatus and method Motor vehicle screening apparatus and method

1993-07-23

1995-09-12

Wong, Peter S.

Weighing scales

Computer

Electrical

177 2519, 177 50, 177134, 364567, G01G 1940, G01G 1952

Patent

active

054498643

ABSTRACT:
Vehicles are screened by weight for the presence of concealed explosive material, weapons, contraband and/or personnel by retrieving weight values for vehicles and categories of occupants and contents based on operator input and subtracting those values, as selections are made by an operator, from a measured vehicle weight. Excess weight is then compared to a specified tolerance, and the vehicle may be cleared or other appropriate action taken, including automatic control of movable barriers. The estimate of a weight value for various categories of vehicle occupants is adaptively altered to improve screening accuracy.

REFERENCES:
patent: 3842922 (1974-10-01), Fagin et al.
patent: 4192394 (1980-03-01), Simpson
patent: 4605081 (1986-08-01), Helmly, Jr. et al.
patent: 5054207 (1991-10-01), Marshall

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