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. 12, 1995
Filed:
Oct. 13, 1993
Applicant:
Inventor:
Yoshikazu Tsuru, Nishinomiya, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H / ; H01L / ;
U.S. Cl.
CPC ...
310351 ; 310361 ; 310367 ; 310340 ; 310349 ;
Abstract
An oscillator has a pair of upper and lower casing members in the form of plates, and a vibration plate pinched between the upper and lower casing members. A tongue-like vibrating portion is formed by forming a slit in the vibration plate inside an outer peripheral portion of the vibration plate pinched between the upper and lower casing members. Electrodes are formed on obverse and reverse surfaces of the vibrating portion.