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:
Apr. 20, 1976
Filed:
Aug. 02, 1974
Izuhiko Nishimura, Suwa, JA;
Satoshi Fushimi, Suwa, JA;
Kabushiki Kaisha Suwa Seikosha, Tokyo, JA;
Abstract
An electronic timepiece having the electronic circuitry formed as a single monolithically integrated circuit chip is provided, a first portion of the circuitry being actuated by a first potential and a second portion of the circuitry being actuated by a second potential higher than said first. The circuit chip includes complementary coupled MOS transistors, the first and second circuit portions operating respectively at first and second logic levels. An interface is provided intermediate said first and second circuit portions, the interface being adapted to effect an interfacing of said logic levels, and an electrical insulation of said first and second circuit portions.