Inspection apparatus

Details Inspection apparatus Inspection apparatus

1979-04-17

1981-01-20

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

H04N 718

Patent

active

042466067

ABSTRACT:
An inspection apparatus for inspecting an object is disclosed, in which an object to be inspected and/or a reference body are picked up by an image sensing device such as a television camera and an output video signal from the television camera is processed by a video signal processing circuit. In this case, a reference or calibration body is located within a visual field of the television camera and picked up by the television camera together with said reference body and/or calibration body under the irradiation of light, a signal corresponding to the calibration body included in the video signal from the television camera is detected and this detected signal is used to correct the video signal. The corrected video signal is applied to a computer to judge whether the object is same as the reference body or not.

REFERENCES:
patent: 3626092 (1971-12-01), Wilson
patent: 3781531 (1973-12-01), Baker
patent: 3889053 (1975-06-01), Lloyd et al.
patent: 3916439 (1975-10-01), Lloyd et al.
patent: 3952144 (1976-04-01), Kolker
patent: 3962681 (1976-06-01), Requa et al.
patent: 4072928 (1978-02-01), Wilder

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