Object identification system

Details Object identification system Object identification system

1978-05-08

1980-06-10

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250338, G01J 100

Patent

active

042074681

ABSTRACT:
A transponder/interrogator system for remotely identifying objects. The interrogator emits infrared pulses to activate and remotely clock the transponder. Upon such activation, the transponder emits a unique code in the form of infrared pulses in accordance with a program stored in a recirculating shift register. The interrogator receives the infrared pulses from the transponder and decodes them. The decoded information is then supplied to a controller which runs various status checks on the object identified.

REFERENCES:
patent: 3806872 (1974-04-01), Odom
patent: 3877001 (1975-04-01), Bogut et al.
patent: 3934188 (1976-01-01), York
patent: 4025791 (1977-05-01), Lennington et al.

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