IN155068B - - Google Patents
Info
- Publication number
- IN155068B IN155068B IN1017/CAL/81A IN1017CA1981A IN155068B IN 155068 B IN155068 B IN 155068B IN 1017CA1981 A IN1017CA1981 A IN 1017CA1981A IN 155068 B IN155068 B IN 155068B
- Authority
- IN
- India
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
- H04M9/003—Transmission of control signals from or to the key telephone set; signalling equipment at key telephone set, e.g. keyboard or display equipment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4906—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Telephonic Communication Services (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Meter Arrangements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3036182A DE3036182C2 (de) | 1980-09-25 | 1980-09-25 | Verfahren zur wechselseitigen Übertragung von binären Digitalsignalen zwischen einer zentralen Einrichtung und mit ihr verbundenen Fernsprechteilnehmerstellen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN155068B true IN155068B (enExample) | 1984-12-29 |
Family
ID=6112832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN1017/CAL/81A IN155068B (enExample) | 1980-09-25 | 1981-09-10 |
Country Status (12)
| Country | Link |
|---|---|
| EP (1) | EP0048925B1 (enExample) |
| AR (1) | AR230911A1 (enExample) |
| AT (1) | ATE6719T1 (enExample) |
| AU (1) | AU543544B2 (enExample) |
| BR (1) | BR8106120A (enExample) |
| CA (1) | CA1185024A (enExample) |
| DE (1) | DE3036182C2 (enExample) |
| FI (1) | FI74567C (enExample) |
| GB (1) | GB2085695B (enExample) |
| IN (1) | IN155068B (enExample) |
| NO (1) | NO153589C (enExample) |
| TR (1) | TR21185A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3248276A1 (de) * | 1982-12-28 | 1984-06-28 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Schnittstellenschaltung fuer ein fernmeldesystem |
| DE4107593C1 (enExample) * | 1991-03-09 | 1992-05-21 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3215779A (en) * | 1961-02-24 | 1965-11-02 | Hallicrafters Co | Digital data conversion and transmission system |
| CA1018270A (en) * | 1972-05-23 | 1977-09-27 | Federico R. Laliccia | Key telephone system using time division and space division control |
| US4046972A (en) * | 1976-10-27 | 1977-09-06 | Bell Telephone Laboratories, Incorporated | Key telephone station set circuit |
-
1980
- 1980-09-25 DE DE3036182A patent/DE3036182C2/de not_active Expired
-
1981
- 1981-09-10 IN IN1017/CAL/81A patent/IN155068B/en unknown
- 1981-09-18 AR AR286801A patent/AR230911A1/es active
- 1981-09-21 NO NO813203A patent/NO153589C/no unknown
- 1981-09-21 EP EP81107505A patent/EP0048925B1/de not_active Expired
- 1981-09-21 AT AT81107505T patent/ATE6719T1/de not_active IP Right Cessation
- 1981-09-24 TR TR21185A patent/TR21185A/xx unknown
- 1981-09-24 BR BR8106120A patent/BR8106120A/pt unknown
- 1981-09-24 FI FI812977A patent/FI74567C/fi not_active IP Right Cessation
- 1981-09-24 AU AU75644/81A patent/AU543544B2/en not_active Ceased
- 1981-09-24 CA CA000386626A patent/CA1185024A/en not_active Expired
- 1981-09-24 GB GB8128946A patent/GB2085695B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2085695B (en) | 1984-09-12 |
| NO153589B (no) | 1986-01-06 |
| CA1185024A (en) | 1985-04-02 |
| AU7564481A (en) | 1982-04-01 |
| DE3036182A1 (de) | 1982-04-01 |
| DE3036182C2 (de) | 1983-12-01 |
| FI74567C (fi) | 1988-02-08 |
| BR8106120A (pt) | 1982-06-15 |
| AU543544B2 (en) | 1985-04-26 |
| GB2085695A (en) | 1982-04-28 |
| FI812977L (fi) | 1982-03-26 |
| TR21185A (tr) | 1983-12-06 |
| NO813203L (no) | 1982-03-26 |
| ATE6719T1 (de) | 1984-03-15 |
| EP0048925B1 (de) | 1984-03-14 |
| FI74567B (fi) | 1987-10-30 |
| NO153589C (no) | 1986-04-16 |
| AR230911A1 (es) | 1984-07-31 |
| EP0048925A1 (de) | 1982-04-07 |