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:
Sep. 23, 1980
Filed:
Mar. 06, 1978
Applicant:
Inventors:
Assignee:
Citizen Watch Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
3072 / ; 328 37 ;
Abstract
A data transfer circuit consisting of a shift register circuit, which is efficiently applicable to portable electronic devices such as a portable electronic timepiece, electronic computer or the like is disclosed. The circuit comprises a first shift register circuit and a second shift register circuit to which is transferred data from said first shift register circuit. The second shift register circuit includes at least first stage bit whose data transfer is controlled by two phase clocks and another bit whose data transfer is controlled by one phase clock.