MX4093E - Mejoras en sistema de alarma de cruce de carretera - Google Patents
Mejoras en sistema de alarma de cruce de carreteraInfo
- Publication number
- MX4093E MX4093E MX787164U MX716478U MX4093E MX 4093 E MX4093 E MX 4093E MX 787164 U MX787164 U MX 787164U MX 716478 U MX716478 U MX 716478U MX 4093 E MX4093 E MX 4093E
- Authority
- MX
- Mexico
- Prior art keywords
- alarm system
- road crossing
- crossing alarm
- road
- crossing
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L29/00—Safety means for rail/road crossing traffic
- B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
- B61L29/28—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated
- B61L29/286—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated using conductor circuits controlled by the vehicle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/808,747 US4172576A (en) | 1977-06-21 | 1977-06-21 | Highway crossing system with motion detecting apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
MX4093E true MX4093E (es) | 1981-12-08 |
Family
ID=25199606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX787164U MX4093E (es) | 1977-06-21 | 1978-06-21 | Mejoras en sistema de alarma de cruce de carretera |
Country Status (5)
Country | Link |
---|---|
US (1) | US4172576A (es) |
CA (1) | CA1108277A (es) |
ES (1) | ES470945A1 (es) |
MX (1) | MX4093E (es) |
NL (1) | NL7806689A (es) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4365777A (en) * | 1979-08-17 | 1982-12-28 | Modern Industries Signal Equipment, Inc. | Train approach detector |
US4581700A (en) * | 1981-08-07 | 1986-04-08 | Sab Harmon Industries, Inc. | Processing system for grade crossing warning |
US4868538A (en) * | 1988-10-07 | 1989-09-19 | Harmon Industries, Inc. | Random signature island circuit |
US5092544A (en) * | 1989-12-22 | 1992-03-03 | General Railway Signal Corp. | Highway crossing control system for railroads utilizing a communications link between the train locomotive and the crossing protection equipment |
US5098044A (en) * | 1989-12-22 | 1992-03-24 | General Railway Signal Corporation | Highway crossing control system for railroads utilizing a communications link between the train locomotive and the crossing protection equipment |
CN1071721C (zh) * | 1997-09-18 | 2001-09-26 | 中国科学院感光化学研究所 | 高折射率透明陶瓷微珠及制造方法和用途 |
US6572056B2 (en) | 2001-01-23 | 2003-06-03 | Alstom Signaling, Inc. | Method and apparatus for uniform time warning of railroad trains |
IL152310A (en) * | 2002-10-15 | 2010-05-17 | Magal Security Systems Ltd | System and method for detecting, locating and recognizing an approach toward an elongated installation |
CA2768389C (en) | 2009-07-17 | 2017-12-05 | Invensys Rail Corporation | Track circuit communications |
US8500071B2 (en) * | 2009-10-27 | 2013-08-06 | Invensys Rail Corporation | Method and apparatus for bi-directional downstream adjacent crossing signaling |
US8660215B2 (en) * | 2010-03-16 | 2014-02-25 | Siemens Rail Automation Corporation | Decoding algorithm for frequency shift key communications |
US8297558B2 (en) * | 2010-03-17 | 2012-10-30 | Safetran Systems Corporation | Crossing predictor with authorized track speed input |
DE102016107211A1 (de) * | 2016-04-19 | 2017-10-19 | Voith Patent Gmbh | Vorrichtung zur daten- und/oder signalübertragung |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3246143A (en) * | 1963-09-30 | 1966-04-12 | Southern Pacific Company | Railroad grade crossing protection system |
US3610920A (en) * | 1969-12-04 | 1971-10-05 | Gen Signal Corp | Apparatus and method for deriving a uniform time warning |
US3777139A (en) * | 1970-12-03 | 1973-12-04 | R Peel | Motion sensor system |
US3781541A (en) * | 1972-09-07 | 1973-12-25 | Westinghouse Air Brake Co | Fail-safe railroad-highway grade crossing protection system |
US3987989A (en) * | 1974-04-05 | 1976-10-26 | Erico Rail Products Company | Railway signal system |
-
1977
- 1977-06-21 US US05/808,747 patent/US4172576A/en not_active Expired - Lifetime
-
1978
- 1978-03-17 CA CA299,123A patent/CA1108277A/en not_active Expired
- 1978-06-20 ES ES470945A patent/ES470945A1/es not_active Expired
- 1978-06-21 MX MX787164U patent/MX4093E/es unknown
- 1978-06-21 NL NL7806689A patent/NL7806689A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US4172576A (en) | 1979-10-30 |
ES470945A1 (es) | 1979-02-01 |
NL7806689A (nl) | 1978-12-27 |
CA1108277A (en) | 1981-09-01 |
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