IN154790B - - Google Patents
Info
- Publication number
- IN154790B IN154790B IN741/CAL/81A IN741CA1981A IN154790B IN 154790 B IN154790 B IN 154790B IN 741CA1981 A IN741CA1981 A IN 741CA1981A IN 154790 B IN154790 B IN 154790B
- Authority
- IN
- India
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/50—Circuit switching systems, i.e. systems in which the path is physically permanent during the communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Communication Control (AREA)
- Small-Scale Networks (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/199,204 US4331835A (en) | 1980-10-29 | 1980-10-29 | Interface unit for a modular telecommunication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN154790B true IN154790B (es) | 1984-12-15 |
Family
ID=22736628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN741/CAL/81A IN154790B (es) | 1980-10-29 | 1981-07-04 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4331835A (es) |
| KR (1) | KR880001020B1 (es) |
| AU (1) | AU546584B2 (es) |
| BE (1) | BE890916A (es) |
| BR (1) | BR8107021A (es) |
| CA (1) | CA1179048A (es) |
| CH (1) | CH656274A5 (es) |
| DE (1) | DE3041541C2 (es) |
| DK (1) | DK151673C (es) |
| IN (1) | IN154790B (es) |
| MX (1) | MX150387A (es) |
| YU (1) | YU42590B (es) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3365300D1 (en) * | 1982-09-15 | 1986-09-18 | Plessey Overseas | Improvements in or relating to digital electronic switching systems |
| US4535453A (en) * | 1982-12-27 | 1985-08-13 | Siemens Corporate Research & Support, Inc. | Signaling input/output processing module for a telecommunication system |
| US4511969A (en) * | 1983-05-20 | 1985-04-16 | At&T Information Systems Inc. | Control channel interface circuit |
| US5283888A (en) * | 1991-08-27 | 1994-02-01 | International Business Machines Corporation | Voice processing interface unit employing virtual screen communications for accessing a plurality of primed applications |
| US5309426A (en) * | 1993-01-26 | 1994-05-03 | International Business Machines Corporation | High performance cascadable simplex switch |
| JPH09215018A (ja) * | 1996-02-02 | 1997-08-15 | Fujitsu Ltd | 交換機 |
| KR100788137B1 (ko) * | 2001-09-28 | 2007-12-21 | 주식회사 케이티 | 디지털 스위칭 네트워크의 부하 균등화 장치 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4009343A (en) * | 1974-12-30 | 1977-02-22 | International Business Machines Corporation | Switching and activity compression between telephone lines and digital communication channels |
| US4035770A (en) * | 1976-02-11 | 1977-07-12 | Susan Lillie Sarle | Switching system for use with computer data loop terminals and method of operating same |
| DE2620058C3 (de) * | 1976-05-06 | 1978-12-07 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Digitales Zeitmultiplex-Fernmeldenetz |
| GB1570923A (en) * | 1977-02-14 | 1980-07-09 | Gec General Signal Ltd | Data communication apparatus |
| CA1097782A (en) * | 1978-06-05 | 1981-03-17 | John J. Den Otter | Modular time division switching system |
-
1980
- 1980-10-29 US US06/199,204 patent/US4331835A/en not_active Expired - Lifetime
- 1980-11-04 DE DE3041541A patent/DE3041541C2/de not_active Expired
-
1981
- 1981-07-04 IN IN741/CAL/81A patent/IN154790B/en unknown
- 1981-09-30 KR KR8103673A patent/KR880001020B1/ko active
- 1981-10-13 CH CH6532/81A patent/CH656274A5/de not_active IP Right Cessation
- 1981-10-26 CA CA000388770A patent/CA1179048A/en not_active Expired
- 1981-10-27 MX MX189823A patent/MX150387A/es unknown
- 1981-10-28 DK DK476681A patent/DK151673C/da not_active IP Right Cessation
- 1981-10-28 AU AU76899/81A patent/AU546584B2/en not_active Ceased
- 1981-10-29 YU YU2577/81A patent/YU42590B/xx unknown
- 1981-10-29 BE BE0/206388A patent/BE890916A/fr not_active IP Right Cessation
- 1981-10-29 BR BR8107021A patent/BR8107021A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| YU257781A (en) | 1983-10-31 |
| MX150387A (es) | 1984-04-27 |
| CA1179048A (en) | 1984-12-04 |
| BR8107021A (pt) | 1982-07-13 |
| AU7689981A (en) | 1982-05-06 |
| BE890916A (fr) | 1982-04-29 |
| DE3041541C2 (de) | 1982-07-08 |
| DK476681A (da) | 1982-04-30 |
| CH656274A5 (de) | 1986-06-13 |
| AU546584B2 (en) | 1985-09-05 |
| DE3041541A1 (de) | 1982-05-06 |
| YU42590B (en) | 1988-10-31 |
| KR880001020B1 (en) | 1988-06-14 |
| DK151673C (da) | 1988-05-30 |
| US4331835A (en) | 1982-05-25 |
| DK151673B (da) | 1987-12-21 |
| KR830008576A (ko) | 1983-12-10 |