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:
Sep. 13, 1994
Filed:
Oct. 23, 1991
Applicant:
Inventors:
Edward K Law, Santa Clara, CA (US);
Yick M Chan, Palo Alto, CA (US);
Assignee:
Digital Transmission Systems, Inc., Norcross, GA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
379 27 ; 379333 ;
Abstract
An improved subscriber line carrier (SLC) with enhanced performance for monitoring and remote provisioning. Communication between the new control unit and new channel units (such as universal remote provisionable channel unit) utilizes a back plane read disable bus line (RNDIS). Serial digital signals are modulated within a high level on the read disable bus line for transmission of information between control unit and the new channel units.