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:
Apr. 12, 1983
Filed:
May. 20, 1981
Toshiro Mizuno, Iruma, JP;
Kazuo Imai, Iruma, JP;
Nippon Telegraph & Telephone Public Corporation, Tokyo, JP;
Abstract
A signalling system for multi-address calling and a signal control equipment therefor in which a control signal starts with a synchronize signal, followed by a function determination field indicating that the control signal is any one of a selection signal, a call accepting state indication signal and a data receiving state indication signal, the function determination field being followed by a terminal appointing field in which the signal, set in the function determination field is provided bit by bit in a predetermined order for each destination terminal. Circuit arrangements for transmitting and receiving such a control signal are provided as signal control equipments both on the side of an originating terminal and on the side of an exchange.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile