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.

Date of Patent:
Jul. 14, 2009

Filed:

Sep. 28, 2005
Applicant:

Ronald A. Sartschev, Dunstable, MA (US);

Inventor:

Ronald A. Sartschev, Dunstable, MA (US);

Assignee:

Teradyne, Inc., North Reading, MA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/26 (2006.01); G01R 31/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

Circuitry for driving a pin of a device includes a first circuit path terminating in a first impedance, a second circuit path terminating in a second impedance, where the second impedance is less than the first impedance, and a selection circuit to control operation of the second circuit path. When the second circuit path is not configured for operation, the first circuit path is configured to output one of plural first voltage signals. When the second circuit path is in configured for operation, the second circuit path is configured to output a second voltage signal. The second voltage signal is greater than the plural first voltage signals.


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