CH483176A - Anordnung zur Einspeisung von Hörzeichen in Zeitmultiplex-PCM-Vermittlungsanlagen - Google Patents
Anordnung zur Einspeisung von Hörzeichen in Zeitmultiplex-PCM-VermittlungsanlagenInfo
- Publication number
- CH483176A CH483176A CH1576568A CH1576568A CH483176A CH 483176 A CH483176 A CH 483176A CH 1576568 A CH1576568 A CH 1576568A CH 1576568 A CH1576568 A CH 1576568A CH 483176 A CH483176 A CH 483176A
- Authority
- CH
- Switzerland
- Prior art keywords
- arrangement
- time division
- audio signals
- division multiplex
- switching systems
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H04Q11/06—Time-space-time switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
- H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
- H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
- H04Q1/4575—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals which are transmitted in digital form
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1576568A CH483176A (de) | 1968-10-22 | 1968-10-22 | Anordnung zur Einspeisung von Hörzeichen in Zeitmultiplex-PCM-Vermittlungsanlagen |
DE19691945155 DE1945155C3 (de) | 1968-10-22 | 1969-09-05 | Schaltungsanordnung zur Erzeugung und Einspeisung von Hörzeichen in Zeimultiplex-PCM-Vermittlungsanlgen |
NL6915947A NL6915947A (de) | 1968-10-22 | 1969-10-22 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1576568A CH483176A (de) | 1968-10-22 | 1968-10-22 | Anordnung zur Einspeisung von Hörzeichen in Zeitmultiplex-PCM-Vermittlungsanlagen |
Publications (1)
Publication Number | Publication Date |
---|---|
CH483176A true CH483176A (de) | 1969-12-15 |
Family
ID=4411751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1576568A CH483176A (de) | 1968-10-22 | 1968-10-22 | Anordnung zur Einspeisung von Hörzeichen in Zeitmultiplex-PCM-Vermittlungsanlagen |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH483176A (de) |
DE (1) | DE1945155C3 (de) |
NL (1) | NL6915947A (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2476422A1 (fr) * | 1980-02-19 | 1981-08-21 | Cit Alcatel | Emetteur numerique de frequences |
FR2529426A1 (fr) * | 1982-06-29 | 1983-12-30 | Thomson Csf Mat Tel | Generateur de frequences utilisees dans un autocommutateur temporel numerique |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2098528A5 (de) * | 1970-07-17 | 1972-03-10 | Lannionnais Electronique | |
NL7110444A (de) * | 1971-07-29 | 1973-01-31 | Philips Nv | |
DE2819119C3 (de) * | 1978-04-29 | 1980-10-30 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Schaltungsanordnung für zeitmultiplex digital durchschaltende Fernmelde-, insbesondere Fernsprechvermittlungsanlagen |
DE3202084A1 (de) * | 1981-02-28 | 1983-08-11 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Schaltungsanordnung zur ferngesteuerten umschaltung von teilnehmeranschluessen auf eine ansageeinrichtung |
DE3116576A1 (de) * | 1981-04-27 | 1982-11-18 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Verfahren zum betreiben eines digitalen hoertongenerators |
-
1968
- 1968-10-22 CH CH1576568A patent/CH483176A/de not_active IP Right Cessation
-
1969
- 1969-09-05 DE DE19691945155 patent/DE1945155C3/de not_active Expired
- 1969-10-22 NL NL6915947A patent/NL6915947A/xx not_active Application Discontinuation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2476422A1 (fr) * | 1980-02-19 | 1981-08-21 | Cit Alcatel | Emetteur numerique de frequences |
EP0034336B1 (de) * | 1980-02-19 | 1983-06-29 | COMPAGNIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCATEL S.A. dite: | Digitaler Frequenzsender |
FR2529426A1 (fr) * | 1982-06-29 | 1983-12-30 | Thomson Csf Mat Tel | Generateur de frequences utilisees dans un autocommutateur temporel numerique |
Also Published As
Publication number | Publication date |
---|---|
NL6915947A (de) | 1970-04-24 |
DE1945155A1 (de) | 1970-04-30 |
DE1945155B2 (de) | 1977-01-27 |
DE1945155C3 (de) | 1980-09-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |