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:
Aug. 04, 1992
Filed:
Apr. 26, 1991
Applicant:
Inventors:
John C Ceccherelli, Manassas, VA (US);
Stephen R Scandalis, Warrenton, VA (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ; H03K / ;
U.S. Cl.
CPC ...
307443 ; 307475 ; 3072961 ;
Abstract
A system and method of providing a temperature compensated line termination for a high speed communications bus meeting military standards specifications. A temperature compensating device exhibiting a negative temperature coefficient of resistance is connected between a power supply and the communications bus drives. In a preferred embodiment, a P-N junction in series with a Schottky diode is placed between a 3.3 volt supply and the communications bus drive modules.