SE378495B - - Google Patents
Info
- Publication number
- SE378495B SE378495B SE7114505A SE1450571A SE378495B SE 378495 B SE378495 B SE 378495B SE 7114505 A SE7114505 A SE 7114505A SE 1450571 A SE1450571 A SE 1450571A SE 378495 B SE378495 B SE 378495B
- Authority
- SE
- Sweden
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L7/00—Remote control of local operating means for points, signals, or track-mounted scotch-blocks
- B61L7/06—Remote control of local operating means for points, signals, or track-mounted scotch-blocks using electrical transmission
- B61L7/08—Circuitry
- B61L7/083—Common line wire control using currents of different amplitudes, polarities, frequencies, or the like
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C15/00—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path
- G08C15/02—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path simultaneously, i.e. using frequency division
- G08C15/04—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path simultaneously, i.e. using frequency division the signals being modulated on carrier frequencies
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Amplitude Modulation (AREA)
- Selective Calling Equipment (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5414870A GB1360000A (en) | 1970-11-13 | 1970-11-13 | Signalling systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE378495B true SE378495B (en) | 1975-09-01 |
Family
ID=10470080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7114505A SE378495B (en) | 1970-11-13 | 1971-11-12 |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT317304B (en) |
| AU (1) | AU3555871A (en) |
| CH (1) | CH543144A (en) |
| DE (1) | DE2156393B2 (en) |
| FR (1) | FR2114609A5 (en) |
| GB (1) | GB1360000A (en) |
| IT (1) | IT941120B (en) |
| SE (1) | SE378495B (en) |
| ZA (1) | ZA717485B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0776737B2 (en) * | 1988-10-21 | 1995-08-16 | 富士重工業株式会社 | Vehicle diagnostic system |
-
1970
- 1970-11-13 GB GB5414870A patent/GB1360000A/en not_active Expired
-
1971
- 1971-11-08 ZA ZA717485A patent/ZA717485B/en unknown
- 1971-11-10 IT IT30918/71A patent/IT941120B/en active
- 1971-11-10 AU AU35558/71A patent/AU3555871A/en not_active Expired
- 1971-11-12 FR FR7140552A patent/FR2114609A5/fr not_active Expired
- 1971-11-12 SE SE7114505A patent/SE378495B/xx unknown
- 1971-11-12 AT AT977771A patent/AT317304B/en not_active IP Right Cessation
- 1971-11-12 DE DE19712156393 patent/DE2156393B2/en active Pending
- 1971-11-12 CH CH1644071A patent/CH543144A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ZA717485B (en) | 1972-07-26 |
| DE2156393B2 (en) | 1976-04-22 |
| IT941120B (en) | 1973-03-01 |
| FR2114609A5 (en) | 1972-06-30 |
| DE2156393A1 (en) | 1972-06-22 |
| CH543144A (en) | 1973-10-15 |
| AU3555871A (en) | 1973-05-17 |
| AT317304B (en) | 1974-08-26 |
| GB1360000A (en) | 1974-07-17 |