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. 03, 2004
Filed:
Aug. 22, 2000
Applicant:
Inventors:
Tamotsu Wakabayashi, Tokyo, JP;
Masashi Ishida, Hino, JP;
Katsunori Utsumi, Hino, JP;
Nobuhiro Masaki, Kodaira, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M 3/42 ;
U.S. Cl.
CPC ...
H04M 3/42 ;
Abstract
The present invention provides an electronic exchange capable of certainly making forwarding to a telephone at the forwarding destination. When an electronic exchange receives a forwarding acknowledgement signal “Facility message” from an electronic exchange, if a telephone to be called is idle, the electronic exchange makes the telephone shift to the receiving standby state for the forwarding, turns on an extension button of the telephone and sets the call transmission and the call reception except for the forwarding to be impossible.