Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1991-11-27
1993-11-30
Britton, Howard W.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
250223B, 358106, 382 8, 455 95, H04N 718
Patent
active
052670333
ABSTRACT:
While carrying and rotating a tubular body to be inspected, an image pick up device is inserted into the tubular body to be inspected to pick up an image of the internal surface thereof to take out a corresponding video signal to transmit the video signal to an image processing device through an antenna device to carry out image processing to judge the internal surface of the tubular body to be inspected. In the antenna device ring-shaped conductors are oppositely arranged in a ring-shaped hollow chamber provided within an electromagnetic shielding body wherein one ring-shaped conductor is rotated and the other is fixed.
REFERENCES:
patent: 4136930 (1979-01-01), Gomm
patent: 4633304 (1986-12-01), Nagasaki
patent: 4915237 (1990-04-01), Chang
Britton Howard W.
Dai Nippon Printing Co. Ltd.
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