ZA733645B - Improvements in or relating to exchange systems - Google Patents
Improvements in or relating to exchange systemsInfo
- Publication number
- ZA733645B ZA733645B ZA733645A ZA733645A ZA733645B ZA 733645 B ZA733645 B ZA 733645B ZA 733645 A ZA733645 A ZA 733645A ZA 733645 A ZA733645 A ZA 733645A ZA 733645 B ZA733645 B ZA 733645B
- Authority
- ZA
- South Africa
- Prior art keywords
- relating
- exchange systems
- exchange
- systems
- Prior art date
Links
Classifications
-
- 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
- H04L12/52—Circuit switching systems, i.e. systems in which the path is physically permanent during the communication using time division techniques
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2226816A DE2226816A1 (en) | 1972-06-02 | 1972-06-02 | METHOD OF DETECTING CHARACTERS PRESENTING IN PARALLEL |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA733645B true ZA733645B (en) | 1974-04-24 |
Family
ID=5846588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA733645A ZA733645B (en) | 1972-06-02 | 1973-05-29 | Improvements in or relating to exchange systems |
Country Status (11)
| Country | Link |
|---|---|
| BE (1) | BE800374A (en) |
| BR (1) | BR7304142D0 (en) |
| CA (1) | CA1004756A (en) |
| CH (1) | CH557119A (en) |
| DE (1) | DE2226816A1 (en) |
| FR (1) | FR2332661A1 (en) |
| GB (1) | GB1410395A (en) |
| IT (1) | IT988794B (en) |
| NL (1) | NL7307588A (en) |
| SE (1) | SE380371B (en) |
| ZA (1) | ZA733645B (en) |
-
1972
- 1972-06-02 DE DE2226816A patent/DE2226816A1/en active Pending
-
1973
- 1973-05-10 GB GB2233173A patent/GB1410395A/en not_active Expired
- 1973-05-11 CH CH661873A patent/CH557119A/en not_active IP Right Cessation
- 1973-05-24 FR FR7318967A patent/FR2332661A1/en active Granted
- 1973-05-25 CA CA172,288A patent/CA1004756A/en not_active Expired
- 1973-05-29 ZA ZA733645A patent/ZA733645B/en unknown
- 1973-05-30 SE SE7307699*A patent/SE380371B/en unknown
- 1973-05-30 IT IT24813/73A patent/IT988794B/en active
- 1973-05-30 NL NL7307588A patent/NL7307588A/xx unknown
- 1973-06-01 BE BE131808A patent/BE800374A/en unknown
- 1973-06-01 BR BR4142/73A patent/BR7304142D0/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE380371B (en) | 1975-11-03 |
| NL7307588A (en) | 1973-12-04 |
| CH557119A (en) | 1974-12-13 |
| AU5625473A (en) | 1974-12-05 |
| GB1410395A (en) | 1975-10-15 |
| CA1004756A (en) | 1977-02-01 |
| BR7304142D0 (en) | 1974-07-11 |
| FR2332661A1 (en) | 1977-06-17 |
| BE800374A (en) | 1973-12-03 |
| IT988794B (en) | 1975-04-30 |
| FR2332661B1 (en) | 1978-04-14 |
| DE2226816A1 (en) | 1973-12-13 |
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