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, 2017
Filed:
Apr. 16, 2014
Fujitsu Component Limited, Tokyo, JP;
Taichi Sakakura, Tokyo, JP;
FUJITSU COMPONENT LIMITED, Tokyo, JP;
Abstract
A pulse motor driving circuit for driving a pulse motor includes a first switch having a terminal that is connected with a positive terminal of a power source; a second switch having a terminal that is connected with a negative terminal of the power source; and a capacitor having a terminal connected with a limit element and having another terminal connected with another terminal of the first switch and another terminal of the second switch, wherein the limit element is provided between the positive terminal and the capacitor and limits a current, wherein the first switch is turned on and the second switch is turned off in a current application start period while the current starts to be applied, wherein the first switch is turned off and the second switch is turned on in a period other than the current application start period.