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:
Jun. 15, 2010

Filed:

Apr. 22, 2002
Applicants:

Stephen P. Sample, Saratoga, CA (US);

Mikhail Bershteyn, Campbell, CA (US);

Michael R. Butts, Portland, OR (US);

Jerry R. Bauer, Cupertino, CA (US);

Inventors:

Stephen P. Sample, Saratoga, CA (US);

Mikhail Bershteyn, Campbell, CA (US);

Michael R. Butts, Portland, OR (US);

Jerry R. Bauer, Cupertino, CA (US);

Assignee:

Quickturn Design Systems Inc., San Jose, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 17/50 (2006.01); H04J 99/00 (2009.01); G06F 9/455 (2006.01);
U.S. Cl.
CPC ...
Abstract

A hardware emulation system is disclosed which reduces hardware cost by time multiplexing multiple design signals onto physical logic chip pins and printed circuit board. The hardware emulation system comprises a plurality of reprogrammable logic devices, and a plurality of reprogrammable interconnect devices. The logic devices and interconnect devices are interconnected together such that multiple design signals share common I/O pins and circuit board traces through the use of multiplexing.


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