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.

Date of Patent:
Sep. 06, 1977

Filed:

Aug. 26, 1975
Applicant:
Inventors:

Jean Felix Perotto, Neuchatel, CH;

Eric Vittoz, Cernier, CH;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ; G04B / ; G06K / ;
U.S. Cl.
CPC ...
235156 ; 58 5 / ; 5815 / ; 3401 / ;
Abstract

A multifunctional wrist watch combining the functions of time-indication with other functions, for example a calculator. The watch has a glass in which pick-ups are provided for detecting the passage of a finger of a user over the surface of the glass and recognition circuits for converting the trace detected into a logic signal for processing by a calculator circuit provided in the watch case. The output of the calculator is then displayed by the electro-optical display on the watch. The detection and recognition facility may also be utilized for correction of the date and time settings of the watch.


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