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. 03, 2002
Filed:
Feb. 02, 1999
Applicant:
Inventors:
Avinash K. Vaidya, Riverwoods, IL (US);
Jay Biondo, Bloomingdale, IL (US);
Song Kue, Schaumburg, IL (US);
Assignee:
Charles Industries, Ltd., Rolling Meadows, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M 3/00 ; H04B 7/005 ;
U.S. Cl.
CPC ...
H04M 3/00 ; H04B 7/005 ;
Abstract
A multi-drop digital telephone loop uses point-to-point digital communication between a series of Add/drop units and a central office terminal to route telephone traffic to customers. The loop automatically detects and signals subscriber channel conflicts and also function in an auto-assign mode for automatically assigning subscriber channels. The loop may also be deployed in conjunction with a remote terminal located at a subscriber's residence or business.