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. 09, 2024
Filed:
Jul. 17, 2019
Applicant:
Teknologian Tutkimuskeskus Vtt Oy, Espoo, FI;
Inventors:
Assignee:
TEKNOLOGIAN TUTKIMUSKESKUS VTT OY, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 29/08 (2006.01); G01R 35/00 (2006.01); H03B 29/00 (2006.01); H03F 1/22 (2006.01); H03F 3/19 (2006.01); H03F 3/72 (2006.01);
U.S. Cl.
CPC ...
G01R 29/0878 (2013.01); G01R 35/005 (2013.01); H03B 29/00 (2013.01); H03F 1/22 (2013.01); H03F 3/19 (2013.01); H03F 3/72 (2013.01); H03F 2200/207 (2013.01); H03F 2200/451 (2013.01);
Abstract
An active noise source apparatus includes a pair of a first and second switched-biased noise amplifier branches (). A directional coupler () having a pair of input ports () connected to combine the noise outputs from the first and second switched-biased noise amplifiers. One output port () of the directional coupler () is connected to a matched termination (Rtermination) and another output port () of the directional coupler () is connected to an output () of the active noise source.
Varonen, Mikko. (2024). Active noise source design (U.S. Patent No. 11953535). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11953535
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile