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:
May. 16, 1989
Filed:
Nov. 13, 1987
Applicant:
Inventor:
Toshio Yamagishi, Nara, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
G04F / ; G04B / ;
U.S. Cl.
CPC ...
368-9 ; 368 10 ; 368113 ;
Abstract
A timing control device for a driving mechanism including a clutch or a solenoid has a sensor which operates a fixed time interval after the mechanism is driven in response to a drive signal and a timer which measures the time interval between when this drive signal is given and when the sensor operates. This measured time interval is compared with a reference value and the timing of providing the drive signal is adjusted according to the result of this comparison.