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:
Jan. 10, 1995
Filed:
Mar. 22, 1994
Applicant:
Inventor:
Naoyuki Shimbo, Urawa, JP;
Assignee:
Hitachi Denshi Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04F / ; G04F / ;
U.S. Cl.
CPC ...
368110 ; 368113 ;
Abstract
A trigger signal generated by a start pistol is inputted to a timekeeping device. The trigger signal is synchronized with reference clock pulses and then transmitted to competitors as sound and light start signals. In addition, counting in a timekeeping counter is started at the timing of this signal.