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:
Sep. 05, 1995
Filed:
Sep. 01, 1993
Jiro Terada, Hirakata, JP;
Hiroshi Takenaka, Ikoma, JP;
Masaharu Ushihara, Hirakata, JP;
Toshihiko Ichinose, Hirakata, JP;
Sumitake Yoshida, Suita, JP;
Masami Tamura, Uji, JP;
Matsushita Electric Industrial Co. Ltd., Kadoma, JP;
Abstract
The present invention relates to an angular velocity sensor utilized as a gyroscope and particularly, to a high-performance angular velocity sensor having a tuning-fork construction. The vibrator is formed of a metal base plate which is bent about 90 degrees along a center line defined by two opposite slits extending from their respective side edges to a central region of the metal base plate so that its two bent parts are orthogonal to each other. Two piezoelectric elements are bonded to the corresponding surfaces of the two parts of each vibrator which in turn serve as an actuator and a detector.