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:
Dec. 31, 2002
Filed:
Dec. 26, 2001
Applicant:
Inventor:
Yoshiyuki Mashimo, Komatsu, JP;
Assignee:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03B 5/18 ; H03B 1/00 ;
U.S. Cl.
CPC ...
H03B 5/18 ; H03B 1/00 ;
Abstract
A voltage control oscillation circuit is provided on the respective layers of a ceramic multilayer substrate, and an unbalanced transmission line and a balanced transmission line are provided to sandwich a predetermined ceramic layer, whereby an unbalance-balance conversion circuit is defined due to the mutual induction coupling between the transmission lines.