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:
Jul. 02, 1991
Filed:
Mar. 18, 1988
Phillip C Chao, Naperville, IL (US);
Bong S Choe, Lebanon, NJ (US);
Robert C Fairfield, Randolph, NJ (US);
Thomas L Hiller, Glen Ellyn, IL (US);
Robert W King, Naperville, IL (US);
Joel D Peshkin, Heidelberg Township, Lehigh County, PA (US);
Ralph A Wilson, III, Wheaton, IL (US);
AT&T Bell Laboratories, Murray Hill, NJ (US);
Abstract
A synchronous protocol data formatter handles all 24-32 channels of a so-called primary rate version of a digital multiplexed interface or ISDN Primary Rates Interface for a communication system. The formatter relieves the host computer of the local area network of some highly specialized tasks, and, at the same time, provides the following augmented capabilities, which exceed those required by the C.C.I.T.T. standard, I.431: