Endoscopic apparatus capable of storing image information for a

Details Endoscopic apparatus capable of storing image information for a Endoscopic apparatus capable of storing image information for a

1994-08-22

1997-01-07

Kostak, Victor R.

Television

Special applications

With endoscope

348 75, A61B 104, H04N 718

Patent

active

055922163

ABSTRACT:
The present invention relates to an endoscopic apparatus which creates image information based on picture signals from an electron endoscope and has a memory device for storing the image information. The endoscopic apparatus is provided with a driver for driving a solid-state image pickup device in the endoscope, a picture signal generation circuit for generating a picture signal based on an image pickup signal which is photoelectrically converted by the solid-state image pickup device, an A/D conversion circuit for converting the picture signal from analog to digital, a process circuit for creating image information to be transferred to a memory capable of storing image information for one frame, based on the picture signal by digital processing, such as interpolation, a small capacity memory capable of storing image information for a plurality of frames and composed of, for example, a semiconductor, a CPU for controlling writing/reading between the memory and the small capacity memory, and a D/A conversion circuit for converting the image information from digital to analog so as to generate a video picture signal.

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patent: 5061994 (1991-10-01), Takahashi
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patent: 5124789 (1992-06-01), Hiyama et al.
patent: 5134484 (1992-07-01), Willson
patent: 5153721 (1992-10-01), Eino et al.
patent: 5176523 (1993-01-01), Lai

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