Object identification system

Details Object identification system Object identification system

1975-08-12

1977-05-24

Borchelt, Archie R.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250338, 343 6ND, 343 68R, G01S 956

Patent

active

040257916

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 in synchronism with the interrogator pulse 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 may be associated with various code utilization devices as described herein.

REFERENCES:
patent: 3104478 (1963-09-01), Strauss et al.
patent: 3182930 (1965-05-01), Randolph, Jr. et al.
patent: 3299424 (1967-01-01), Vinding
patent: 3750163 (1973-07-01), Hecker
patent: 3833812 (1974-09-01), Reilly et al.
patent: 3859624 (1975-01-01), Kriofsky et al.

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