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. 11, 2003
Filed:
Feb. 18, 2000
Applicant:
Inventor:
Hiroshi Endo, Koriyama, JP;
Assignee:
Hitachi Telecom Technologies, Ltd., Koriyama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M 1/00 ;
U.S. Cl.
CPC ...
H04M 1/00 ;
Abstract
A telephone system requiring no upload of station data which is reset or set after a seat change even if the station data is not uploaded to a data management equipment whenever the operation change the station data of an extension communication terminal. Each of the extension communication terminals judges, on receiving a seat-change instruction, whether or not its station data is changed. If the station data is judged to be changed, the station data is uploaded to the data management equipment through a switching system.