FR2318544B3 - - Google Patents
Info
- Publication number
- FR2318544B3 FR2318544B3 FR7621485A FR7621485A FR2318544B3 FR 2318544 B3 FR2318544 B3 FR 2318544B3 FR 7621485 A FR7621485 A FR 7621485A FR 7621485 A FR7621485 A FR 7621485A FR 2318544 B3 FR2318544 B3 FR 2318544B3
- Authority
- FR
- France
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Debugging And Monitoring (AREA)
- Hardware Redundancy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2531775A DE2531775C3 (en) | 1975-07-16 | 1975-07-16 | Method and arrangement for secure operational monitoring during data transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2318544A1 FR2318544A1 (en) | 1977-02-11 |
| FR2318544B3 true FR2318544B3 (en) | 1979-04-06 |
Family
ID=5951660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7621485A Granted FR2318544A1 (en) | 1975-07-16 | 1976-07-13 | OPERATION MONITORING DURING DATA TRANSMISSION |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT356707B (en) |
| BE (1) | BE844093A (en) |
| CH (1) | CH611472A5 (en) |
| DE (1) | DE2531775C3 (en) |
| DK (1) | DK303976A (en) |
| FR (1) | FR2318544A1 (en) |
| GB (1) | GB1542945A (en) |
| NL (1) | NL7607742A (en) |
| SE (1) | SE410778B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738366A (en) * | 2013-12-26 | 2014-04-23 | 北京交控科技有限公司 | Computer system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1537450C3 (en) * | 1967-07-11 | 1974-08-01 | Telefunken Patentverwertungsgesellschaft Mbh, 7900 Ulm | Process for secure data transmission, as well as sender and receiver for carrying out this process |
| DE2017853C3 (en) * | 1970-04-14 | 1975-12-11 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Tax procedures for securing information processing and transmission |
-
1975
- 1975-07-16 DE DE2531775A patent/DE2531775C3/en not_active Expired
-
1976
- 1976-07-05 DK DK303976A patent/DK303976A/en not_active Application Discontinuation
- 1976-07-08 GB GB28510/76A patent/GB1542945A/en not_active Expired
- 1976-07-13 FR FR7621485A patent/FR2318544A1/en active Granted
- 1976-07-13 NL NL7607742A patent/NL7607742A/en unknown
- 1976-07-13 AT AT514376A patent/AT356707B/en not_active IP Right Cessation
- 1976-07-14 BE BE168880A patent/BE844093A/en not_active IP Right Cessation
- 1976-07-14 SE SE7608025A patent/SE410778B/en unknown
- 1976-07-15 CH CH911376A patent/CH611472A5/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL7607742A (en) | 1977-01-18 |
| BE844093A (en) | 1976-11-03 |
| DE2531775C3 (en) | 1982-04-08 |
| DE2531775A1 (en) | 1977-02-03 |
| FR2318544A1 (en) | 1977-02-11 |
| CH611472A5 (en) | 1979-05-31 |
| GB1542945A (en) | 1979-03-28 |
| AT356707B (en) | 1980-05-27 |
| DE2531775B2 (en) | 1981-07-09 |
| ATA514376A (en) | 1979-10-15 |
| SE410778B (en) | 1979-10-29 |
| DK303976A (en) | 1977-01-17 |
| SE7608025L (en) | 1977-01-17 |