JPS56153875A - Interface unit for automatically managing exclusive or switchable speech channel - Google Patents
Interface unit for automatically managing exclusive or switchable speech channelInfo
- Publication number
- JPS56153875A JPS56153875A JP1674581A JP1674581A JPS56153875A JP S56153875 A JPS56153875 A JP S56153875A JP 1674581 A JP1674581 A JP 1674581A JP 1674581 A JP1674581 A JP 1674581A JP S56153875 A JPS56153875 A JP S56153875A
- Authority
- JP
- Japan
- Prior art keywords
- switchable
- interface unit
- speech channel
- automatically managing
- managing exclusive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
- H04M11/066—Telephone sets adapted for data transmision
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Communication Control (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT47835/80A IT1146176B (it) | 1980-02-07 | 1980-02-07 | Dispositivo interfacciale per la gestione automatica di una linea telefonica commutata |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56153875A true JPS56153875A (en) | 1981-11-28 |
Family
ID=11262831
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1674581A Pending JPS56153875A (en) | 1980-02-07 | 1981-02-06 | Interface unit for automatically managing exclusive or switchable speech channel |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0033821A3 (ja) |
JP (1) | JPS56153875A (ja) |
AR (1) | AR229915A1 (ja) |
BR (1) | BR8100684A (ja) |
CA (1) | CA1167570A (ja) |
IT (1) | IT1146176B (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2122843B (en) * | 1982-03-30 | 1985-10-30 | Guestel Limited | Telephone interface unit |
US4488294A (en) * | 1982-03-30 | 1984-12-11 | At&T Bell Laboratories | Establishing and supporting data traffic in private branch exchanges |
PT76884B (en) * | 1982-06-24 | 1986-01-27 | Voest Alpine Ag | Connecting device |
EP0098260B1 (de) * | 1982-06-24 | 1988-08-17 | VOEST-ALPINE Aktiengesellschaft | Schaltungsanordnung zur Kontrolle der synchronen Übertragung von Daten |
JPS59143449A (ja) * | 1983-02-03 | 1984-08-17 | Sharp Corp | デ−タ伝送処理装置 |
US4578537A (en) * | 1983-08-05 | 1986-03-25 | International Remote Imaging Systems, Inc. | Telecommunication apparatus serving as an interface between a digital computer and an analog communication medium |
US4640989A (en) * | 1984-07-23 | 1987-02-03 | Asher Technologies, Inc. | Communications unit for executive work station |
DE3507480A1 (de) * | 1985-03-02 | 1986-09-04 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Endgeraet fuer eine digitale fernmeldevermittlungsanlage |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2935572A (en) * | 1958-09-15 | 1960-05-03 | Gen Dynamics Corp | Electrical signaling system |
CA935581A (en) * | 1970-02-02 | 1973-10-16 | Itt Canada Limited | Digital voice and data telephone subscriber station |
FR2270738B1 (ja) * | 1974-02-14 | 1979-02-09 | Merlin Jean Claude | |
DE2727335A1 (de) * | 1977-06-16 | 1978-12-21 | Bjoern Bluethgen | Universal-kommunikationsterminal fuer daten-, text- und sprachuebertragung per telefonleitung und/oder funkweg |
GB2034559A (en) * | 1978-11-20 | 1980-06-04 | Vardon Ass | Communications processor for selectively connecting an input/output terminal to any of a plurality of transmission lines |
FR2448266A1 (fr) * | 1979-02-05 | 1980-08-29 | Cables Sous Marins Radio Cie F | Terminal a acces automatique a toute source de donnees connectee au reseau telephonique commute ou au reseau de donnees a commutation par paquets |
-
1980
- 1980-02-07 IT IT47835/80A patent/IT1146176B/it active
- 1980-11-11 EP EP80830095A patent/EP0033821A3/en not_active Withdrawn
-
1981
- 1981-02-03 CA CA000369962A patent/CA1167570A/en not_active Expired
- 1981-02-05 AR AR284217A patent/AR229915A1/es active
- 1981-02-05 BR BR8100684A patent/BR8100684A/pt unknown
- 1981-02-06 JP JP1674581A patent/JPS56153875A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0033821A3 (en) | 1981-08-26 |
AR229915A1 (es) | 1983-12-30 |
IT1146176B (it) | 1986-11-12 |
EP0033821A2 (en) | 1981-08-19 |
CA1167570A (en) | 1984-05-15 |
BR8100684A (pt) | 1981-08-18 |
IT8047835A0 (it) | 1980-02-07 |
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