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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 10097222 B1

PDFFull Text
Date of Patent:
Oct. 09, 2018

Filed:

Sep. 29, 2017

Variable passive network noise filter for noise reduction

Applicant:

Tektronix, Inc., Beaverton, OR (US);

Inventors:

John J. Pickerd, Hillsboro, OR (US);

Pirooz Hojabri, San Jose, CA (US);

Assignee:

Tektronix, Inc., Beaverton, OR (US);

Attorneys:

Marger Johnson

Kevin D. Dothager

Primary Examiner:

Blane Jackson

Int. Cl.
CPC ...
H03H 7/46 (2006.01); H04B 17/30 (2015.01); H04B 1/10 (2006.01); H04B 1/00 (2006.01); H04B 1/04 (2006.01); G01R 13/02 (2006.01); H04B 10/67 (2013.01);
U.S. Cl.
CPC ...
H04B 1/1018 (2013.01); G01R 13/0272 (2013.01); H04B 1/0057 (2013.01); H04B 1/0475 (2013.01); H04B 10/674 (2013.01);
Abstract

Disclosed is a noise filter. The noise filter includes an input port to receive an analog signal. The noise filter further includes a multiplexer coupled to the input port. The multiplexer separates the analog signal into a plurality of frequency bands. The frequency bands include a high frequency band and a low frequency band. The noise filter also includes a low-band variable attenuator coupled to the multiplexer. The low-band variable attenuator adjustably attenuates the low frequency band relative to the high frequency band.

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Pickerd, John. (2018). Variable passive network noise filter for noise reduction (U.S. Patent No. 10097222). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10097222

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