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, 2001
Filed:
May. 05, 1999
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H 9/72 ;
U.S. Cl.
CPC ...
H03H 9/72 ;
Abstract
A branching filter comprising a SAW resonator. The branching filter comprises a transmission SAW filter linked between an antenna terminal and a transmission terminal; a receiving SAW filter with different bandpass characteristics from the transmission SAW filter linked between the antenna terminal and the transmission terminal; a composite circuit that combines a frequency adjusting LC circuit linked between the antenna terminal and the transmission and receiving SAW filters with a branching filter circuit; and the branching filter circuit being structured to have a serial arm SAW resonator.
Komazaki, Tomokazu. (2001). Branching filter with a composite circuit of an lc circuit and a serial arm saw resonator (U.S. Patent No. 6222426). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6222426
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