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 8390375 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 05, 2013

Filed:

Feb. 01, 2011
Applicant:

Takumi Miyashita, Kawasaki, JP;

Inventor:

Takumi Miyashita, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03F 1/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

A calculating apparatus includes a first state variable calculating unit that calculates first state variables respectively having a memory effect and being of an amplifier that causes signal distortion; an amplifier model unit that based on the calculated first state variables, calculates the signal distortion caused by the amplifier, as a distortion characteristic; and an output unit that outputs the calculated distortion characteristic.


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Miyashita, Takumi. (2013). Calculating apparatus, distortion correcting apparatus, amplifying apparatus, and calculating method (U.S. Patent No. 8390375). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8390375

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