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:
Apr. 08, 2003
Filed:
Jun. 02, 1998
Applicant:
Inventor:
Ryuichi Yoshida, Sakai, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 4/109 ;
U.S. Cl.
CPC ...
H01L 4/109 ;
Abstract
A driving apparatus having a driving pulse generator including a high-speed electrifying circuit and a low-speed electrifying circuit connected to a transducer; and a controller which sets a low-speed electrification time to a first specified time, sets a time from a low-speed electrification start time to a high-speed electrification start time to a second specified time, makes the low-speed charging duration shorter than the first specified time during low-speed driving and makes a time period from a low-speed charging start time to a high-speed discharging start time shorter than the second specified time.