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:
Dec. 07, 2004
Filed:
May. 31, 2001
Satoshi Takami, Saitama, JP;
PENTAX Corporation, Tokyo, JP;
Abstract
A sampling pulse generator for an electronic endoscope that comprises a CDS circuit, OR circuits, a clock pulse generator, a shift counter, first and second switch groups, EEPROM and a CPU, is provided. The generator cyclically generates clock pulses. The pulses are cyclically counted between and by the counter. The counter has ten output terminals that correspond to each of the count numbers. A signal is only output to a terminal corresponding to the current count number. Each of the first and second switch groups has ten switches that are connected to each of the terminals. With data in the EEPROM, the on-off states of the switches are set by the CPU. The CCD drive pulses are generated by signals from the terminals via OR circuits. The clamp pulse and sample-hold pulse are generated by signals from the switch groups which are set in the on state.