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:
Jun. 17, 1986
Filed:
Sep. 17, 1984
Kazuyuki Nagatomi, Tokyo, JP;
Rikio Sato, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A key telephone system includes a plurality of key telephone stations, a switching network for selectively connecting the key telephone stations to CO/PBX lines or intercom lines, a system control unit and a system data memory unit, the system control unit controlling the key telephone stations and switching network in accordance with data stored in said system data memory unit. At least one of said key telephone stations is of the Class 2 type which can function in the normal operating mode and also in the system data setting mode wherein it operates as an input device for setting system data in the system data memory unit. The key telephone system further includes a menu data memory unit in which is stored a plurality of combinations of system data for each kind of service. The Class 2 key telephone station in the system data setting mode is operated by selectively depressing its push buttons to thereby load selected system data from the menu memory unit into the system data memory unit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile