The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 07, 1989
Filed:
Jun. 11, 1987
Teruo Eino, Tokyo, JP;
Olympus Optical Co., Ltd., Tokyo, JP;
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.