Patent JPH0445643A successfully refreshed from Google Patents.
← Back to Patent Explorer
JPH0445643A Expired / Lapsed JP ⏱️ 0.0 years remaining

Terminal control system

Assignee: Hitachi Ltd
•
Filing: 1990-06-13
•
Granted: —
•
Expires: 2010-06-13
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract PURPOSE:To allow each user to utilize the available services effectively by allocating plural extension numbers to one extension terminal equipment and setting the service function to each extension number of plural extension numbers so as to realize the service function to each terminal number. CONSTITUTION:When a caller dials a terminal number B, a terminal identification data 21 is retrieved by the terminal number B being the reception dial with a command of a central controller 12 to find out an extension terminal equipment 14a to which call processing is implemented. Moreover, figure shows that the extension terminal equipment 14a have two terminal numbers A, B, but it is possible to provide plural terminal numbers to one extension terminal equipment similarly and when plural subscribers use one extension terminal equipment, a terminal number is given to each party. Thus, the service for personal use such as variable absence transfer among service functions of a private branch of exchange is made available.

Inventors

  • 👤 Hiroki Yabe
  • 👤 弘樹 矢部
  • 👤 Yasuo Wada
  • 👤 康雄 和田

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-10-31 06:01
CPC Classifications
—

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag