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. 05, 1995
Filed:
Jan. 18, 1994
Philippe Decaesteke, Bois D'Arcy, FR;
Jean-Marc Marczak, Bois D'Arcy, FR;
Jacques Guichard, Issy les Moulineaux, FR;
Matra Communication, Quimper, FR;
France Telecom, Paris, FR;
Abstract
In order to establish a videophone communication from a calling terminal to a called terminal, a communication is established on a first TBCC channel, then a ringing tone is emitted automatically, from the called terminal, to the calling terminal on the first channel and a call is emitted to the telephone set on the second channel B; in response to the unhooking of the telephone handset the two channels are automatically linked from the called terminal; and, in response to a code from the telephone set, the emission is caused of a waiting tone to the calling terminal and a ringing to the called videophone terminal; in the event of acceptance on the part of the subscriber of the called videophone terminal, the establishment of communication is automatically continued in response to the hooking of the set.