← Back to Patent Explorer
EP0358597A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Telephone exchange

Assignee: Elmeg Kommunikationstechnik GmbH
•
Filing: 1989-07-25
•
Granted: —
•
Expires: 2009-07-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Telephone exchange, particularly for the ISDN system, which exhibits program control means for a first number of switching functions, in which arrangement an interface is provided for connecting signal transmission means for transmitting control commands for a second number of switching functions and/or the activation of one or several of the first switching functions, the latter in coordination with the program control means. <IMAGE>

Inventors

  • 👤 Kurt Dipl.-Ing Sommer
  • 👤 Wolfgang Dr. Perlich

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-02 06:38
CPC Classifications
H; H04; H04Q; H04Q11/00; H04Q11/04; H04Q11/0428

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