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:
Feb. 12, 1991
Filed:
May. 12, 1989
Applicant:
Inventor:
Tomio Wakasugi, Hachioji, JP;
Assignee:
Hewlett-Packard, Palo Alto, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06G / ; G01R / ;
U.S. Cl.
CPC ...
324649 ; 364802 ;
Abstract
An active, artificial inductor circuit is utilized as a two-terminal pair circuit used to provide an apparatus capable of measuring the AC electrical parameters of a device such as a resistor, a capacitor or an inductor at a desired frequency with less error in measurememt at lower frequencies.
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Wakasugi, Tomio. (1991). Apparatus which uses a simulated inductor in the measurement of an (U.S. Patent No. 4992740). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4992740
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