Television – Camera – system and detail – Combined image signal generator and general image signal...
Patent
1992-11-25
1995-02-21
Mancuso, Joseph
Television
Camera, system and detail
Combined image signal generator and general image signal...
348241, H04N 5335
Patent
active
053920708
ABSTRACT:
An image signal processing apparatus has a fault correcting circuit for replacing a signal output by a fault pixel included in a solid-state image sensor with a signal output by a normal pixel arranged near the fault pixel to correct the fault pixel signal. The fault correcting circuit comprises a memory for storing a data code representing the position and type of the fault pixel, a decoder circuit for converting the data code read from the memory, into a pixel-fault correction pulse, a dividing/delay circuit for dividing a pixel signal output from the image sensor into a plurality of pixel signals and delaying these pixel signals by different delay times, and a switch circuit for selecting pixel signals delayed by different delay times, in accordance with the pixel-fault correction pulse, thereby to replace the fault pixel signal with the normal pixel signal.
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Egawa Yoshitaka
Endo Yukio
Kabushiki Kaisha Toshiba
Mancuso Joseph
Vigushin John B.
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