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. 24, 2007
Filed:
Sep. 29, 2005
Osamu Kawauchi, Shiojiri, JP;
Shigeki Miyazawa, Tatsuno, JP;
Katsumi Takayama, Kamiinagunminowa, JP;
Keiichi Yamaguchi, Kamiinagunminowa, JP;
Osamu Kawauchi, Shiojiri, JP;
Shigeki Miyazawa, Tatsuno, JP;
Katsumi Takayama, Kamiinagunminowa, JP;
Keiichi Yamaguchi, Kamiinagunminowa, JP;
Seiko Epson Corporation, , JP;
Abstract
A piezo-electric vibration reedincluding connection arms extended in opposing directions from a base, drive arms extended in a direction perpendicular to the connection arms at the respective tips of the connection armsand, and detection arms extended from the basein a direction perpendicular to the connection arms. In the respective tips of the drive arms, and the detection arms, there are formed a first deadweight portion and a second deadweight portion, which are adjustment portions used for mass adjustment. The adjustment portions are formed of deadweight layers and an electrode film.