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. 11, 1989
Filed:
Apr. 22, 1988
Applicant:
Inventors:
Takanori Yonekura, Hachioji, JP;
Tomio Wakasugi, Hachioji, JP;
Assignee:
Hewlett-Packard Company, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R / ; G01R / ;
U.S. Cl.
CPC ...
324 / ; 3241 / ; 324 / ;
Abstract
This invention provides a polar device measuring apparatus which can bias a device under test in a proper polarity. The measuring apparatus is computer-controlled and automatically selects the polarity of the bias voltage based on the measured value of voltage across the device.
Quick Actions:
Yonekura, Takanori. (1989). Polarity compensated apparatus for measuring the impedance of a polar (U.S. Patent No. 4820969). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4820969
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile