Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1987-06-11
1989-02-07
Groody, James J.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358190, 35821326, 128 4, 128 6, 323223, 323268, H04N 718, H04N 318
Patent
active
048035629
ABSTRACT:
An electronic endoscope apparatus comprises an endoscope and a video processor unit. The video processor unit includes a drive pulse generator for generating vertical drive pulses, a power supply for generating a +16 V power supply voltage, and a video processor for sampling and holding an input image signal. The endoscope includes an insertion portion which incorporates a solid-state image sensing element using a CCD at its distal end portion, a manipulator portion, and a universal cord for connecting an electronic endoscope body to the video processor unit. An integrated circuit unit is incorporated near the solid-state image sensing element at the distal end portion of insertion portion. The integrated circuit unit includes voltage dividing resistors for voltage dividing a +16 V power supply voltage supplied from the power supply of the video processor unit into +8 V, +7 V, and +3 V power supply voltages, and emitter follower transistors connected between these power supply voltages and the power supply voltage terminals of the solid-state image sensing element. A delay line is incorporated in the manipulator portion. The delay line delays horizontal drive pulses generated from the video processor unit in accordance with a signal transmission delay time between the solid-state image sensing element and the video processor unit so that the timing of the image signal can always be matched with that of sample-and-hold pulses upon a sample-and-hold operation in the video processor unit.
REFERENCES:
patent: 4402311 (1983-09-01), Hattori
patent: 4519391 (1985-05-01), Murakoshi
patent: 4532918 (1985-08-01), Wheeler
patent: 4539589 (1985-09-01), Danna et al.
patent: 4667230 (1987-05-01), Arakawa et al.
patent: 4706118 (1987-11-01), Kato et al.
Groody James J.
Olympus Optical Co,. Ltd.
Peng John K.
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