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. 27, 2010
Filed:
Aug. 07, 2007
Akira Wada, Osaka, JP;
Yasuhiro Okamoto, Tondabayashi, JP;
Taketo Namikawa, Kyoto, JP;
Konica Minolta Opto, Inc., Hachioji-shi, JP;
Abstract
There is provided a driving devicein which an electromechanical transducer is used and which has a high drive efficiency, having an electromechanical transducerthat is extended and contracted by application thereto of voltages, a drive shafthaving one end fixed by adhesiveto the electromechanical transducer, and a movable memberthat is frictionally engaged on the driving shaft, an expression 8≧E/t≧0.48 where t (μm) is a thickness of the adhesive and E (GPa) is a modulus of longitudinal elasticity of the adhesive is satisfied by mixing into the adhesiveparticulatesthat have diameters not smaller than 1 μm and not larger than 5 μm.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile