KR880001020B1 - Interface unit for a modular telecommunication system - Google Patents
Interface unit for a modular telecommunication systemInfo
- Publication number
- KR880001020B1 KR880001020B1 KR8103673A KR810003673A KR880001020B1 KR 880001020 B1 KR880001020 B1 KR 880001020B1 KR 8103673 A KR8103673 A KR 8103673A KR 810003673 A KR810003673 A KR 810003673A KR 880001020 B1 KR880001020 B1 KR 880001020B1
- Authority
- KR
- South Korea
- Prior art keywords
- interface unit
- telecommunication system
- switching block
- line terminators
- modular telecommunication
- 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.)
- Expired
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)
- Exchange Systems With Centralized Control (AREA)
- Communication Control (AREA)
- Small-Scale Networks (AREA)
Applications Claiming Priority (2)
| 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 |
| US199204 | 2002-07-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR830008576A KR830008576A (ko) | 1983-12-10 |
| KR880001020B1 true KR880001020B1 (en) | 1988-06-14 |
Family
ID=22736628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR8103673A Expired KR880001020B1 (en) | 1980-10-29 | 1981-09-30 | Interface unit for a modular telecommunication system |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4331835A (enExample) |
| KR (1) | KR880001020B1 (enExample) |
| AU (1) | AU546584B2 (enExample) |
| BE (1) | BE890916A (enExample) |
| BR (1) | BR8107021A (enExample) |
| CA (1) | CA1179048A (enExample) |
| CH (1) | CH656274A5 (enExample) |
| DE (1) | DE3041541C2 (enExample) |
| DK (1) | DK151673C (enExample) |
| IN (1) | IN154790B (enExample) |
| MX (1) | MX150387A (enExample) |
| YU (1) | YU42590B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100788137B1 (ko) * | 2001-09-28 | 2007-12-21 | 주식회사 케이티 | 디지털 스위칭 네트워크의 부하 균등화 장치 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE21476T1 (de) * | 1982-09-15 | 1986-08-15 | Plessey Overseas | Digitale elektronische vermittlungssysteme. |
| 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 |
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 not_active Expired
- 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 BR BR8107021A patent/BR8107021A/pt not_active IP Right Cessation
- 1981-10-29 YU YU2577/81A patent/YU42590B/xx unknown
- 1981-10-29 BE BE0/206388A patent/BE890916A/fr not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100788137B1 (ko) * | 2001-09-28 | 2007-12-21 | 주식회사 케이티 | 디지털 스위칭 네트워크의 부하 균등화 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU7689981A (en) | 1982-05-06 |
| BE890916A (fr) | 1982-04-29 |
| DK151673C (da) | 1988-05-30 |
| MX150387A (es) | 1984-04-27 |
| KR830008576A (ko) | 1983-12-10 |
| DE3041541C2 (de) | 1982-07-08 |
| AU546584B2 (en) | 1985-09-05 |
| YU42590B (en) | 1988-10-31 |
| CH656274A5 (de) | 1986-06-13 |
| CA1179048A (en) | 1984-12-04 |
| DK476681A (da) | 1982-04-30 |
| IN154790B (enExample) | 1984-12-15 |
| DE3041541A1 (de) | 1982-05-06 |
| DK151673B (da) | 1987-12-21 |
| YU257781A (en) | 1983-10-31 |
| BR8107021A (pt) | 1982-07-13 |
| US4331835A (en) | 1982-05-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
| PE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-PE0902 |
|
| T11-X000 | Administrative time limit extension requested |
St.27 status event code: U-3-3-T10-T11-oth-X000 |
|
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| PG1605 | Publication of application before grant of patent |
St.27 status event code: A-2-2-Q10-Q13-nap-PG1605 |
|
| PE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-PE0701 |
|
| PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
| PR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U11-oth-PR1002 Fee payment year number: 1 |
|
| PC1903 | Unpaid annual fee |
St.27 status event code: A-4-4-U10-U13-oth-PC1903 Not in force date: 19910615 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE |
|
| PC1903 | Unpaid annual fee |
St.27 status event code: N-4-6-H10-H13-oth-PC1903 Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 19910615 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-PN2301 St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |