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:
Mar. 01, 1983
Filed:
Jun. 03, 1980
Applicant:
Inventors:
Ned E Abbott, McKinney, TX (US);
Hampapur R Keshavan, Dallas, TX (US);
Robert J McGuire, Richardson, TX (US);
Assignee:
Rockwell International Corporation, El Segundo, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H04J / ;
U.S. Cl.
CPC ...
370 16 ;
Abstract
A muldem (100) includes a transmit multiplexer section (103, 104) combining a variety of low speed and intermediate speed data inputs into a single high speed data output and a demultiplexer section providing low and intermediate speed outputs from a high speed input. A monitor tests data paths of the muldem for detection of malfunctions and initiates protective switching through a standby alternate data path around the low or intermediate speed circuits and, independently, around the high speed circuits.