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:
Sep. 24, 1991
Filed:
Apr. 19, 1990
Applicant:
Inventors:
Kiyoyasu Hiwada, Tokyo, JP;
Toshio Tamamura, Hachioji, JP;
Assignee:
Hewlett-Packard Company, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R / ; G01R / ;
U.S. Cl.
CPC ...
3241 / ; 324 725 ; 3241 / ;
Abstract
A test head comprising an electrically conductive cylindrical member for coupling to a device under test, a first path for connecting a first type of signal with the device under test, the first path being located outside the cylindrical member, and a second path for connecting a second type of signal with the device under test, the second path being located inside the cylindrical member, thereby preventing interference between signals of the first and second types. The first type of signal may be a digital signal and the second type of signal may be an analog signal.