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:
Feb. 17, 1987
Filed:
Apr. 26, 1984
Applicant:
Inventors:
Charles B Johnson, Dallas, TX (US);
Howard D Gardener, Grapevine, TX (US);
Assignee:
Data General Corp., Westborough, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J / ;
U.S. Cl.
CPC ...
370 99 ; 370 58 ;
Abstract
Apparatus 117 interfaces system multiplexing/demultiplexing (MUX/DMUX) station circuitry 113, which exchanges pulse code modulated (PCM) signal samples of voice, data and control information in an interleaved port group format with a plurality of the system user ports 120 in each of a succession of sample time intervals, with the system time slot interchange (TSI) matrix 110 which switches the PCM voice, data and control signal samples in each sample time interval in groups of common signal type.