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:
Jun. 30, 1992
Filed:
Jan. 22, 1991
Applicant:
Inventors:
James K Berger, Malibu, CA (US);
Mark A Stalzer, Moorpark, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R / ;
U.S. Cl.
CPC ...
364579 ; 324 731 ;
Abstract
Testing apparatus for assembled printed circuit boards to assure that all the component values are correct and that all the components have been correctly inserted into the board. The testing apparatus performs its testing function without the need for physical guarding, and it operates on node oriented complex-Valued Admittance measurements. The testing apparatus includes a computer which translates the measurements into component data by solving only linear equations.