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:
Jul. 04, 2000
Filed:
Jan. 16, 1998
Applicant:
Inventor:
Kenji Mizumoto, Osaka, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
318116 ; 318118 ; 310316 ; 310323 ; 74128 ; 359824 ;
Abstract
A drive pulse generating apparatus capable of freely adjusting drive speed of a drive device using an electromechanical transducer for adjusting the width of a rising portion and the width of a falling portion of a sawtooth waveform pulse having a gradual rising portion and a steep falling portion or a steep rising portion and a gradual falling portion by adjusting waveform of a drive pulse or combining drive pulses having different waveforms of a sine waveform, a sawtooth waveform and the like by which the drive speed of the drive device using the electromechanical transducer is freely adjusted.