CA931261A - Long length track circuits - Google Patents
Long length track circuitsInfo
- Publication number
- CA931261A CA931261A CA099939A CA99939A CA931261A CA 931261 A CA931261 A CA 931261A CA 099939 A CA099939 A CA 099939A CA 99939 A CA99939 A CA 99939A CA 931261 A CA931261 A CA 931261A
- Authority
- CA
- Canada
- Prior art keywords
- long length
- track circuits
- length track
- circuits
- long
- 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
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/18—Railway track circuits
- B61L1/181—Details
- B61L1/187—Use of alternating current
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US88508569A | 1969-12-15 | 1969-12-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA931261A true CA931261A (en) | 1973-07-31 |
Family
ID=25386102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA099939A Expired CA931261A (en) | 1969-12-15 | 1970-12-07 | Long length track circuits |
Country Status (2)
Country | Link |
---|---|
US (1) | US3636344A (en) |
CA (1) | CA931261A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006024691A1 (en) * | 2006-05-19 | 2007-11-22 | Siemens Ag | Device for detecting the occupancy or leisure state of a track section |
-
1969
- 1969-12-15 US US885085A patent/US3636344A/en not_active Expired - Lifetime
-
1970
- 1970-12-07 CA CA099939A patent/CA931261A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3636344A (en) | 1972-01-18 |
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