CH538793A - Circuit arrangement for subscriber stations in telecommunication systems, in particular telephone systems, with additional data traffic - Google Patents
Circuit arrangement for subscriber stations in telecommunication systems, in particular telephone systems, with additional data trafficInfo
- Publication number
- CH538793A CH538793A CH1647171A CH1647171A CH538793A CH 538793 A CH538793 A CH 538793A CH 1647171 A CH1647171 A CH 1647171A CH 1647171 A CH1647171 A CH 1647171A CH 538793 A CH538793 A CH 538793A
- Authority
- CH
- Switzerland
- Prior art keywords
- systems
- circuit arrangement
- additional data
- data traffic
- subscriber stations
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/30—Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702059950 DE2059950B2 (en) | 1970-12-05 | 1970-12-05 | Circuit arrangement for subscriber stations in telecommunications, in particular telephone systems with additional data traffic |
Publications (1)
Publication Number | Publication Date |
---|---|
CH538793A true CH538793A (en) | 1973-06-30 |
Family
ID=5790108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1647171A CH538793A (en) | 1970-12-05 | 1971-11-11 | Circuit arrangement for subscriber stations in telecommunication systems, in particular telephone systems, with additional data traffic |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS5416166B1 (en) |
AT (1) | AT315923B (en) |
BE (1) | BE776231A (en) |
CH (1) | CH538793A (en) |
DE (1) | DE2059950B2 (en) |
FR (1) | FR2117203A5 (en) |
GB (1) | GB1356699A (en) |
IT (1) | IT943714B (en) |
LU (1) | LU64400A1 (en) |
NL (1) | NL160134C (en) |
SE (1) | SE364577B (en) |
-
1970
- 1970-12-05 DE DE19702059950 patent/DE2059950B2/en not_active Withdrawn
-
1971
- 1971-11-11 AT AT974971A patent/AT315923B/en not_active IP Right Cessation
- 1971-11-11 CH CH1647171A patent/CH538793A/en not_active IP Right Cessation
- 1971-11-23 GB GB5425671A patent/GB1356699A/en not_active Expired
- 1971-12-01 FR FR7143017A patent/FR2117203A5/fr not_active Expired
- 1971-12-01 JP JP9710471A patent/JPS5416166B1/ja active Pending
- 1971-12-02 NL NL7116592A patent/NL160134C/en active
- 1971-12-03 IT IT3202571A patent/IT943714B/en active
- 1971-12-03 BE BE776231A patent/BE776231A/en unknown
- 1971-12-03 LU LU64400D patent/LU64400A1/xx unknown
- 1971-12-06 SE SE1563971A patent/SE364577B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
IT943714B (en) | 1973-04-10 |
AT315923B (en) | 1974-06-25 |
GB1356699A (en) | 1974-06-12 |
DE2059950A1 (en) | 1972-06-15 |
LU64400A1 (en) | 1972-06-19 |
NL160134C (en) | 1979-09-17 |
BE776231A (en) | 1972-06-05 |
SE364577B (en) | 1974-02-25 |
NL7116592A (en) | 1972-06-07 |
JPS5416166B1 (en) | 1979-06-20 |
NL160134B (en) | 1979-04-17 |
FR2117203A5 (en) | 1972-07-21 |
DE2059950B2 (en) | 1974-04-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AT315920B (en) | Distribution strip for telecommunication systems, in particular telephone systems | |
CH488360A (en) | Distribution frame for telecommunications, in particular telephone systems | |
AT317309B (en) | Circuit arrangement for an electronic switching network in telecommunications, in particular telephone switching systems | |
AT250454B (en) | Circuit arrangement for feeding the subscriber stations in telecommunication systems, in particular telephone systems | |
AT311426B (en) | Circuit arrangement for telecommunications systems, in particular telephone exchange systems | |
AT260310B (en) | Circuit arrangement for telecommunication switching systems, in particular telephone switching systems with switching networks | |
CH538793A (en) | Circuit arrangement for subscriber stations in telecommunication systems, in particular telephone systems, with additional data traffic | |
AT304647B (en) | Frame for telecommunications, in particular telephone systems | |
CH474932A (en) | Signaling method for PCM telecommunication systems, in particular telephone switching systems | |
AT320031B (en) | Distribution frame for telecommunications, in particular telephone systems | |
CH411045A (en) | Subscriber circuit for telecommunications, in particular telephone systems | |
CH536586A (en) | Circuit arrangement for telecommunication, in particular telephone switching systems, with time division multiple operation | |
AT301625B (en) | Relayless subscriber circuit for telecommunications, in particular telephone systems | |
AT320747B (en) | Circuit arrangement for telecommunications, in particular telephone systems with dialing star devices | |
CH530744A (en) | Circuit arrangement for telecommunication switching systems, in particular telephone switching systems | |
CH522341A (en) | Circuit arrangement for telecommunication switching systems, in particular telephone switching systems with route finding devices for multi-level switching networks | |
AT290633B (en) | Circuit arrangement for telecommunication switching systems, in particular telephone switching systems | |
AT309538B (en) | Circuit arrangement for telecommunications systems, in particular telephone exchange systems | |
AT278914B (en) | Circuit arrangement for subscriber stations with keypad selection in telecommunications, in particular telephone systems | |
AT271576B (en) | Subscriber circuit for telecommunications, in particular teleprinter and telephone systems | |
AT314616B (en) | Circuit arrangement for telecommunication, in particular telephone systems with two-way connections | |
AT300050B (en) | Circuit arrangement for telecommunications, in particular telephone systems | |
CH418408A (en) | Circuit arrangement for a subscriber station with key selection in telecommunications, in particular telephone systems | |
CH539990A (en) | Circuit arrangement for telecommunication switching systems, in particular telephone switching systems, with billing | |
AT304649B (en) | Circuit arrangement for telecommunication switching systems, in particular telephone switching systems |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |