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.:

US 8884724 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 11, 2014

Filed:

Mar. 02, 2012
Applicant:

Kwo-jyr Wong, New Taipei, TW;

Inventor:

Kwo-Jyr Wong, New Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01P 1/205 (2006.01); H01P 7/04 (2006.01);
U.S. Cl.
CPC ...
H01P 1/2053 (2013.01); H01P 7/04 (2013.01);
Abstract

A cavity filter includes a housing having a positioning portion, a cover on top of the housing which have a pair of first positioning holes, a sliding plate with movably support on the positioning portion and mounted between the positioning portion and the cover to be configured to adjust a resonating frequency of the cavity filter, and a tuning structure fixed on the cover and having a pair of first positioning poles. The sliding plate includes a plurality of elastic arms, each of which is made of insulated material and supported by the positioning portion. Each of the pair of first positioning poles extends through the corresponding first positioning holes to touch the corresponding one of the plurality of elastic arms of the sliding plate.


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Wong, Kwo-Jyr. (2014). Cavity filter with tuning structure (U.S. Patent No. 8884724). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8884724

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