ZA771522B - Equipment for transmitting digital information - Google Patents
Equipment for transmitting digital informationInfo
- Publication number
- ZA771522B ZA771522B ZA00771522A ZA771522A ZA771522B ZA 771522 B ZA771522 B ZA 771522B ZA 00771522 A ZA00771522 A ZA 00771522A ZA 771522 A ZA771522 A ZA 771522A ZA 771522 B ZA771522 B ZA 771522B
- Authority
- ZA
- South Africa
- Prior art keywords
- equipment
- digital information
- transmitting digital
- transmitting
- information
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
- H04M9/022—Multiplex systems
- H04M9/025—Time division multiplex systems, e.g. loop systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
- Time-Division Multiplex Systems (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Exchange Systems With Centralized Control (AREA)
- Computer And Data Communications (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH392976A CH600703A5 (xx) | 1976-03-30 | 1976-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA771522B true ZA771522B (en) | 1978-01-25 |
Family
ID=4266521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00771522A ZA771522B (en) | 1976-03-30 | 1977-03-14 | Equipment for transmitting digital information |
Country Status (24)
| Country | Link |
|---|---|
| US (1) | US4119804A (xx) |
| JP (1) | JPS52119105A (xx) |
| AT (1) | AT361543B (xx) |
| AU (1) | AU500886B2 (xx) |
| BE (1) | BE852942A (xx) |
| BR (1) | BR7701911A (xx) |
| CA (1) | CA1093717A (xx) |
| CH (1) | CH600703A5 (xx) |
| DD (1) | DD129952A5 (xx) |
| DE (1) | DE2711769A1 (xx) |
| DK (1) | DK118577A (xx) |
| ES (1) | ES456957A1 (xx) |
| FR (1) | FR2346916A1 (xx) |
| GB (1) | GB1531190A (xx) |
| IE (1) | IE44805B1 (xx) |
| IL (1) | IL51732A (xx) |
| IT (1) | IT1073493B (xx) |
| LU (1) | LU76878A1 (xx) |
| NL (1) | NL7703464A (xx) |
| NO (1) | NO147399C (xx) |
| PL (1) | PL118188B1 (xx) |
| SE (1) | SE423296B (xx) |
| YU (1) | YU83377A (xx) |
| ZA (1) | ZA771522B (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4194152A (en) * | 1977-04-27 | 1980-03-18 | Takeshi Tokoro | Radio communication system |
| US4199791A (en) * | 1978-04-17 | 1980-04-22 | Umc Electronics Co. | Automatic recording system |
| US4583161A (en) * | 1981-04-16 | 1986-04-15 | Ncr Corporation | Data processing system wherein all subsystems check for message errors |
| GB9226008D0 (en) * | 1992-12-14 | 1993-02-10 | Plessey Telecomm | Concentrating interface for telecommunications |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3883693A (en) * | 1972-07-11 | 1975-05-13 | Applied Information Ind | Digital communication system |
| US3891804A (en) * | 1973-09-12 | 1975-06-24 | Bell Telephone Labor Inc | Asynchronous data transmission arrangement |
| US3906153A (en) * | 1973-12-26 | 1975-09-16 | Ibm | Remote synchronous loop operation over half-duplex communications link |
| US3979733A (en) * | 1975-05-09 | 1976-09-07 | Bell Telephone Laboratories, Incorporated | Digital data communications system packet switch |
| US4009469A (en) * | 1975-12-19 | 1977-02-22 | Ibm Corporation | Loop communications system with method and apparatus for switch to secondary loop |
-
1976
- 1976-03-30 CH CH392976A patent/CH600703A5/xx not_active IP Right Cessation
-
1977
- 1977-03-02 LU LU76878A patent/LU76878A1/xx unknown
- 1977-03-14 ZA ZA00771522A patent/ZA771522B/xx unknown
- 1977-03-14 AT AT171877A patent/AT361543B/de not_active IP Right Cessation
- 1977-03-16 FR FR7707844A patent/FR2346916A1/fr active Granted
- 1977-03-16 GB GB11063/77A patent/GB1531190A/en not_active Expired
- 1977-03-17 DE DE19772711769 patent/DE2711769A1/de active Granted
- 1977-03-17 ES ES456957A patent/ES456957A1/es not_active Expired
- 1977-03-18 DK DK118577A patent/DK118577A/da not_active Application Discontinuation
- 1977-03-22 AU AU23474/77A patent/AU500886B2/en not_active Expired
- 1977-03-23 CA CA274,553A patent/CA1093717A/en not_active Expired
- 1977-03-24 IL IL51732A patent/IL51732A/xx unknown
- 1977-03-24 US US05/780,851 patent/US4119804A/en not_active Expired - Lifetime
- 1977-03-28 DD DD7700198106A patent/DD129952A5/xx unknown
- 1977-03-28 PL PL1977196979A patent/PL118188B1/pl unknown
- 1977-03-28 BR BR7701911A patent/BR7701911A/pt unknown
- 1977-03-28 BE BE176165A patent/BE852942A/xx not_active IP Right Cessation
- 1977-03-29 IT IT67679/77A patent/IT1073493B/it active
- 1977-03-29 JP JP3405277A patent/JPS52119105A/ja active Pending
- 1977-03-29 IE IE663/77A patent/IE44805B1/en unknown
- 1977-03-29 YU YU00833/77A patent/YU83377A/xx unknown
- 1977-03-29 SE SE7703579A patent/SE423296B/xx not_active IP Right Cessation
- 1977-03-29 NO NO771102A patent/NO147399C/no unknown
- 1977-03-30 NL NL7703464A patent/NL7703464A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| NO147399B (no) | 1982-12-20 |
| JPS52119105A (en) | 1977-10-06 |
| BE852942A (fr) | 1977-07-18 |
| CA1093717A (en) | 1981-01-13 |
| NL7703464A (nl) | 1977-10-04 |
| IL51732A (en) | 1979-05-31 |
| LU76878A1 (xx) | 1977-07-12 |
| DK118577A (da) | 1977-10-01 |
| IE44805L (en) | 1977-09-30 |
| ATA171877A (de) | 1980-08-15 |
| AU2347477A (en) | 1978-09-28 |
| NO771102L (no) | 1977-10-03 |
| AU500886B2 (en) | 1979-06-07 |
| DD129952A5 (de) | 1978-02-15 |
| AT361543B (de) | 1981-03-10 |
| YU83377A (en) | 1982-05-31 |
| IL51732A0 (en) | 1977-05-31 |
| ES456957A1 (es) | 1978-02-01 |
| FR2346916A1 (fr) | 1977-10-28 |
| IE44805B1 (en) | 1982-04-07 |
| CH600703A5 (xx) | 1978-06-30 |
| DE2711769C2 (xx) | 1987-08-13 |
| FR2346916B1 (xx) | 1981-01-09 |
| IT1073493B (it) | 1985-04-17 |
| PL118188B1 (en) | 1981-09-30 |
| DE2711769A1 (de) | 1977-10-13 |
| GB1531190A (en) | 1978-11-01 |
| SE7703579L (sv) | 1977-10-01 |
| NO147399C (no) | 1983-04-06 |
| SE423296B (sv) | 1982-04-26 |
| BR7701911A (pt) | 1977-11-29 |
| US4119804A (en) | 1978-10-10 |
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