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. 14, 1989
Filed:
Jul. 10, 1987
Applicant:
Inventor:
LuJack Ewell, Atlanta, GA (US);
Assignee:
Solid State Systems, Inc., Kennesaw, GA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J / ;
U.S. Cl.
CPC ...
3701101 ; 370112 ; 370 15 ;
Abstract
A PCM rate conversion module is provided for interfacing a thirty-two channel PBX with a twenty-four channel link. The PCM conversion circuitry includes an inbound data memory station and an outbound data memory station wherein inbound T1 data is looped back out to the T1 data link and outbound PBX data is looped back out to the PBX. The looping provides effective and reliable testing of the rate conversion apparatus.