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:
Nov. 16, 1999
Filed:
May. 23, 1997
Applicant:
Inventor:
Seung-Bum Lee, Incheon, KR;
Assignee:
Daewoo Telecom, Ltd., Incheon, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J / ;
U.S. Cl.
CPC ...
370336 ; 370524 ;
Abstract
A digital cordless telephone (CT-2) system, having a multiple number of subscriber cordless handsets (HS's) and a subscriber manager which performs authentication for the HS's, comprises a plurality of base stations (BS's), each of the BS's being coupled with one or more HS's by radio channels for controlling radio link; and a system connector coupled with each of the BS's, coupled with a public switched telephone network (PSTN) for switching and concentrating channels between each of the BS's and the PSTN, and coupled with a public switched data network (PSDN) for communicating with the subscriber manager.