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:
Dec. 20, 1983
Filed:
Jul. 10, 1981
Teruo Iwasawa, Mitaka, JP;
Hitomi Tojiki, Hachioji, JP;
Olympus Optical Co., Ltd., Tokyo, JP;
Abstract
A starting circuit for an electronically controlled actuator having an integration capacitor provided in a control signal path and a power supply circuit for supplying a power supply voltage to the motor apparatus, comprises a comparator having first and second given voltages, and a switch circuit coupled to the comparator and to the integration capacitor. The comparator compares the power supply voltage with the first and second given voltages and provides a comparison result when the power supply voltage corresponds to a voltage range between the first and second given voltages. The switch circuit discharges the charge stored in the integration capacitor when the comparison result is provided from the comparator.