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EP0050732A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Transmitter with dial or identification number storage

Assignee: Bosch Telecom GmbH
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Filing: 1981-09-18
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Granted: —
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Expires: 2001-09-18
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Abstract

Abstract 1. Selector equipment with a call number and identification stores, in which the call number of the station to be selected or the identification of the calling station are storable, for the automatic build-up of communications connections between stations, which connected as equal subscribers through subscriber connection lines to a selector network, for emergency call systems, in which the emergency call is generated through a sensor or through an emergency call key and a speech connection is capable of being built up after exchange of emergency call and acknowledgement telegrams between emergency call station and central station and wherein the storing of call number and/or identification into the empty store, or that to be changed, of this station takes place through the central station after the build-up of a connection between an emergency call station and the central station, characterised thereby, that the emergency call station is provided with a telephone or teleprinter instrument which is utilised for the build-up of the connection, that the subscriber connection line is connected to the selector equipment after the build-up of the connection, that the storing takes place subsequently and that the connection is freed and the selector equipment is started for the build-up of a test connection after storage has taken place.

Inventors

  • 👤 Bernd Dipl.-Ing. Ostermann
  • 👤 Paul Ing. Grad. Lissner

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-23 09:54
CPC Classifications
H; H04; H04M; H04M11/00; H04M11/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3516598A Cited
US3585304A Cited
DE2139629A1 Cited
JPS53117305A Cited
DE2824169A1 Cited
US4219698A Cited
FR2452833A1 Cited

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