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:
Oct. 11, 1977
Filed:
Dec. 29, 1975
Applicant:
Inventors:
Jean-Luc Beguin, Neuchatel, CH;
Willy Droz, Hauterive, CH;
Assignee:
Ebauches S.A., Neuchatel, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G04B / ;
U.S. Cl.
CPC ...
58 5 / ; 58 2 / ;
Abstract
A circuit for electronic watches to enable selection between a 12 hour clock display and a 24 hour clock display. The circuit is driven by the hours counter of a watch and includes a control input for selecting the mode of operation and a logic network having outputs for controlling the display of the tens of hours and, for a 12 hour clock system, for controlling an AM or PM display.