CA943659A - Automatic vehicle communication system having a phase locked loop for converting frequency coded information to voltage level coded information - Google Patents
Automatic vehicle communication system having a phase locked loop for converting frequency coded information to voltage level coded informationInfo
- Publication number
- CA943659A CA943659A CA159,715A CA159715A CA943659A CA 943659 A CA943659 A CA 943659A CA 159715 A CA159715 A CA 159715A CA 943659 A CA943659 A CA 943659A
- Authority
- CA
- Canada
- Prior art keywords
- coded information
- communication system
- voltage level
- locked loop
- vehicle communication
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
- B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
- B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
- B61L3/12—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
- B61L3/121—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves using magnetic induction
-
- 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
- B61L27/70—Details of trackside communication
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Small-Scale Networks (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24040272A | 1972-04-03 | 1972-04-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA943659A true CA943659A (en) | 1974-03-12 |
Family
ID=22906367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA159,715A Expired CA943659A (en) | 1972-04-03 | 1972-12-21 | Automatic vehicle communication system having a phase locked loop for converting frequency coded information to voltage level coded information |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS497917A (en) |
CA (1) | CA943659A (en) |
DE (1) | DE2315606A1 (en) |
FR (1) | FR2179393A5 (en) |
GB (1) | GB1374228A (en) |
IT (1) | IT983637B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3040137A1 (en) * | 1980-10-24 | 1982-05-13 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | POINTED DEVICE FOR TRANSMITTING INFORMATION BETWEEN A ROAD AND ON THESE VEHICLES |
GB2223913A (en) * | 1988-10-15 | 1990-04-18 | Electronic Components Ltd | Data communication system |
CN114435431B (en) * | 2022-01-13 | 2023-07-14 | 北京和利时***集成有限公司 | Method and device for determining corresponding relation between vehicle door and platform door |
-
1972
- 1972-12-21 CA CA159,715A patent/CA943659A/en not_active Expired
-
1973
- 1973-03-19 GB GB1306973A patent/GB1374228A/en not_active Expired
- 1973-03-22 FR FR7310262A patent/FR2179393A5/fr not_active Expired
- 1973-03-29 DE DE2315606A patent/DE2315606A1/en active Pending
- 1973-04-03 JP JP48037486A patent/JPS497917A/ja active Pending
- 1973-04-03 IT IT22505/73A patent/IT983637B/en active
Also Published As
Publication number | Publication date |
---|---|
DE2315606A1 (en) | 1973-10-18 |
JPS497917A (en) | 1974-01-24 |
FR2179393A5 (en) | 1973-11-16 |
IT983637B (en) | 1974-11-11 |
GB1374228A (en) | 1974-11-20 |
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