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 9483666 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 01, 2016

Filed:

Dec. 28, 2015
Applicant:

King Fahd University of Petroleum and Minerals, Dhahran, SA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06G 7/24 (2006.01); G06G 7/06 (2006.01);
U.S. Cl.
CPC ...
G06G 7/24 (2013.01); G06G 7/06 (2013.01);
Abstract

The logarithmic and exponential function generator for analog signal processing is implemented with CMOS circuits operating in current mode and includes current mirrors connected to a square root function circuit and two current amplifiers. A third current amplifier utilizes a constant current input. The outputs of the current amplifiers are combined to provide the logarithmic and exponential functions.


Find Patent Forward Citations

Abuelma'Atti, Muhammad. (2016). Logarithmic and exponential function generator for analog signal processing (U.S. Patent No. 9483666). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9483666

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