CH622214A5 - - Google Patents
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- Publication number
- CH622214A5 CH622214A5 CH960277A CH960277A CH622214A5 CH 622214 A5 CH622214 A5 CH 622214A5 CH 960277 A CH960277 A CH 960277A CH 960277 A CH960277 A CH 960277A CH 622214 A5 CH622214 A5 CH 622214A5
- Authority
- CH
- Switzerland
- Prior art keywords
- signal
- circuit
- coil
- output
- amplitude
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims description 16
- 230000003137 locomotive effect Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 230000010363 phase shift Effects 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000003993 interaction Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000005672 electromagnetic field Effects 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims description 2
- 230000008030 elimination Effects 0.000 claims 3
- 238000003379 elimination reaction Methods 0.000 claims 3
- 239000002131 composite material Substances 0.000 claims 2
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000002596 correlated effect Effects 0.000 claims 1
- 230000000875 corresponding effect Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 claims 1
- 230000001939 inductive effect Effects 0.000 claims 1
- 230000000135 prohibitive effect Effects 0.000 claims 1
- 238000009420 retrofitting Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
- 239000003990 capacitor Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 2
- 230000036039 immunity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/711,996 US4041448A (en) | 1976-08-05 | 1976-08-05 | Electronic railroad track marker system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH622214A5 true CH622214A5 (lm) | 1981-03-31 |
Family
ID=24860362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH960277A CH622214A5 (lm) | 1976-08-05 | 1977-08-04 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4041448A (lm) |
| CA (1) | CA1068387A (lm) |
| CH (1) | CH622214A5 (lm) |
| DE (1) | DE2735422A1 (lm) |
| FR (1) | FR2360453A1 (lm) |
| GB (1) | GB1592183A (lm) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2631543A1 (de) * | 1976-07-14 | 1978-01-19 | Blaupunkt Werke Gmbh | Zielfuehrungssystem fuer kraftfahrzeuge |
| US4236215A (en) * | 1978-10-26 | 1980-11-25 | Vapor Corporation | Vehicular data handling and control system |
| FR2507559A1 (fr) * | 1981-06-10 | 1982-12-17 | Jeumont Schneider | Dispositif de localisation d'un train |
| US4864306A (en) * | 1986-06-23 | 1989-09-05 | Wiita Floyd L | Railway anticollision apparatus and method |
| GB8926060D0 (en) * | 1989-11-17 | 1990-01-10 | British Railways Board | Improvements in railway signalling system |
| DE4227879A1 (de) † | 1992-08-22 | 1994-02-24 | Teves Gmbh Alfred | Unterdruckbremskraftverstärker für Kraftfahrzeuge |
| JP2876305B2 (ja) * | 1996-05-20 | 1999-03-31 | 株式会社サニー・シーリング | 視覚障害者用誘導補助システムおよびその装置 |
| JP3355946B2 (ja) * | 1996-08-02 | 2002-12-09 | 株式会社ダイフク | 搬送用電車の走行制御設備 |
| US7391324B1 (en) | 2005-11-14 | 2008-06-24 | Gpk Products, Inc. | Locator plug system |
| AU2015372442B2 (en) * | 2014-12-24 | 2020-10-22 | Technological Resources Pty Ltd | A system for detecting a break in a rail |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE675013C (de) * | 1935-03-31 | 1939-04-28 | Ver Eisenbahn Signalwerke G M | Einrichtung zur Beeinflussung zwischen Zug und Strecke |
| US3701102A (en) * | 1971-05-03 | 1972-10-24 | Gen Electric | Noise error correcting and excessive noise rejecting system |
| FR2144060A5 (lm) * | 1971-06-29 | 1973-02-09 | Matra Engins |
-
1976
- 1976-08-05 US US05/711,996 patent/US4041448A/en not_active Expired - Lifetime
-
1977
- 1977-04-04 CA CA275,425A patent/CA1068387A/en not_active Expired
- 1977-08-04 CH CH960277A patent/CH622214A5/fr not_active IP Right Cessation
- 1977-08-05 FR FR7724298A patent/FR2360453A1/fr active Granted
- 1977-08-05 GB GB15492/77A patent/GB1592183A/en not_active Expired
- 1977-08-05 DE DE19772735422 patent/DE2735422A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2360453A1 (fr) | 1978-03-03 |
| FR2360453B1 (lm) | 1981-12-11 |
| US4041448A (en) | 1977-08-09 |
| GB1592183A (en) | 1981-07-01 |
| DE2735422A1 (de) | 1978-02-09 |
| CA1068387A (en) | 1979-12-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |