EP0800469B1 - Warnsystem zur Erfassung von herannahenden Schienenfahrzeugen - Google Patents
Warnsystem zur Erfassung von herannahenden Schienenfahrzeugen Download PDFInfo
- Publication number
- EP0800469B1 EP0800469B1 EP95929830A EP95929830A EP0800469B1 EP 0800469 B1 EP0800469 B1 EP 0800469B1 EP 95929830 A EP95929830 A EP 95929830A EP 95929830 A EP95929830 A EP 95929830A EP 0800469 B1 EP0800469 B1 EP 0800469B1
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- EP
- European Patent Office
- Prior art keywords
- rail
- signal
- warning system
- early warning
- sensor
- 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 - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/06—Control, warning or like safety means along the route or between vehicles or trains for warning men working on the route
Definitions
- the invention relates to an early warning system for sensory detection of approaching rail vehicles, the electronic Evaluation of the detected signals and for issuing warning signals for people or groups of people in the danger zone upon detection of a source of danger.
- the people in the track area for example track construction workers, are subject to heavy physical work, Noise, dust and high or low temperatures. Come in addition as a further difficulty for people that the modern High-speed trains very fast and relatively quiet approach a track construction site.
- An additional problem lies in the claim of the security items by undercalling. Prolonged inactivity during train breaks puts the attention of the Security posts so low that they are an approaching train often grasp very late and the thyphon is delayed actuate.
- Security items can be placed in the train registration chain integrated and by telephone with the responsible dispatcher be connected. Nevertheless, a track construction site because of the necessary deviation from established operating modalities an inevitably increased risk in rail operations cause of some accidents in the past for example reporting errors in the transmission of the train report, arbitrary deviations of the operating personnel on railway vehicles the content of a train report already submitted or one earlier than the one registered with the responsible driver Start of construction work in the track area.
- the various train parameters are calculated by the evaluation unit and warning devices switched on when the hazard is identified.
- the calculation of the train parameters in the evaluation unit takes place depending on the signal delay a first and a second vibration sensor.
- DE 42 14 271 A1 discloses a method for the detection of Sources of danger and for the emission of acoustic and / or optical Warning signals for persons used in the hazardous area.
- the source of danger for example a train, is audible Structure-borne noise sensors detected.
- the from these structure-borne noise sensors emitted signals are amplified and then an alarm device for emitting warning signals fed.
- WO 94/21504 (corresponds to DE 93 04 748 U) discloses one portable optical warning system for warning of in one Track busy people before approaching a rail vehicle.
- This known warning system is with an external Transmitter device for recording the approaching rail vehicle equipped and has warning indicators in the form of sounders and an optical flashing device. Further is a vibrating trigger that can be triggered by a radio control center and individual warning device to be worn on a person's body intended.
- an early warning system of the type mentioned create that is easy to use, self-sufficient outside of the railway security chain stands and the security of a Rail construction site also compared to high-speed trains technically simple means significantly increased.
- the early warning system proposed according to the invention complements the existing signal post and helps determine the possible cause of the accident exclude the stress by underloading the signal item.
- This system can, depending on the existing railway operations Concerns and the applicable safety regulations, replace the signal post safely.
- the system according to the invention can advantageously in the open and / or in the Station area are used.
- the early warning system is based on the evaluation of sensor signals, namely structure-borne noise in the rail area, and based on corresponding evaluation results, wirelessly transmitted alarm to the people of a construction site prompts you to leave the rail area.
- the people are both about the conventional Thyphon as well warned about an alarm device to be worn on the body.
- This Alarm devices on the body warn the person visually Paths through flashes of light and acoustically and in addition by emitting a strong vibration in the sensitive Body area, for example in the buttocks or in the hip area.
- the advantage of the impulsive described Structure-borne noise signal is based on the fact that one of the structure-borne noise of the moving train completely different structure-borne noise signal is entered into the rail by the moving Train or rail vehicle is triggered directly.
- Overrun contact consists of an elastically deformable Body that has chambers with the same resting pressure at all times.
- a wheel flange of a vehicle wheel runs onto the body on, the volume of the chambers is quickly reduced, thereby the pressure in the chambers rises above the resting pressure.
- This increased pressure is implemented via sensors.
- sensors Through the Arrangement of two separate chambers one behind the other with separate pressure sensors, for example PE converters the direction of the passing rail vehicle through the Sequence of sensor actuation can be detected.
- the sensor element or the sensor elements are preferably located in a housing, which by means of built-in magnets be attached to a side surface of the rail web can.
- the advantage of this type of attachment is that no Special tool for attaching the sensors is required.
- the housing has a system switch for commissioning and turning off the sensors.
- To also here To rule out manipulation by others can be an internal one electronic switch can be used, which is activated from the outside and can be deactivated.
- optical sensors for example infrared sensors, or other electronic sensors are used.
- Such Sensors require different evaluation criteria.
- Such criteria can be pure light barrier techniques.
- image processing techniques which means that the sensor detects a striking part of a train, figuratively compares in image computers, for example, and when the Train triggers an alarm signal.
- the threshold distance defines a resonance with ⁇ / 2 the sensor for structure-borne noise should be arranged as precisely as possible between two sleepers. Between two sleepers is because of the flexibility of the superstructure found the highest speed of transverse vibrations been.
- the entire early warning system must be quick and without laying cables can be activated and are ready for use.
- the Alarm devices must not place an additional burden on working people Represent people or the signal post.
- early warning systems must not have any electrical fields, Signal systems or other facilities are disrupted.
- the early warning system may be affected by such electrical Fields are not disturbed themselves.
- Figure 1 shows schematically the early warning system of the invention Type which is ready for operation on the track systems is installed.
- the early warning system 1 for the detection of approaching rail vehicles consists of a sensor unit 2, which is at a safety distance about 3 km from the construction site to the Tracks 3 is attached, an evaluation unit 4 for evaluation the measurement signals transmitted by the sensor unit 2, a transmission unit 5 for forwarding the corresponding warning signal to the various receiver units and a charging station 6, which also serves as the storage location of the system elements is used.
- the evaluation unit 4 is also called Central unit 4 called.
- the receiver units are located on the protocol unit 7, on the compressed air bottle (Thyphon) 8, at the construction workers respectively Pesonen in the track area on the body 9, and possibly also on an optical warning device 10. Die Signal transmission between the individual elements of the early warning system 1 is wireless.
- the sensor unit 2 is mobile and can be used, for example Magnets can be installed on the rails 3, or for secure attachment with special tools.
- An amplifier unit 13 generates amplified signals for transmission of the measurement signals to the evaluation unit 4.
- the impulse-containing structure-borne noise is preferably introduced into the rail head 28, except for the rail surface also the other available pages of the Rail 27 can be used.
- the one by the runaway Wheel flange 25 of the wheel 26 mechanism triggered by mechanical, hydraulic or pneumatic means energy transferred to the rail 27.
- This energy can be in one Spring 29 or other suitable device be saved.
- the stored energy, for example a hammer 30 triggered with the force F against the rail 27 strikes and thus the structure-borne noise in the rail 27 entries.
- the operation of the striking object can be triggered mechanically, electrically or pneumatically.
- the solution according to Figures 4 and 5 consists of a through crossing wheel flange 25 of the wheel 26 of the rail vehicle aged pneumatic / electrical system.
- the rail 27 of a track is an elastically deformable Body 32, for example made of rubber-like square material, so attached by means of a bracket 33 that he with the top edge of the rail or tread 34 completes.
- the body is like that broadly chosen that a passing flange 25 on the body 32 also runs up when the rail vehicle due to centrifugal force pressed against the opposite rail of the track and the flange 25 on the side of the body 32 does not rest on the rail head.
- the necessary length of the body parallel to the longitudinal axis of the rail is separated by the two, one behind the other lying chambers 35 determined. 35 in both chambers a constant idle pressure is ensured, which monitors at the same time becomes. If the chamber pressure drops below the static pressure, must damage to the system can be assumed. If necessary an interference signal is then emitted.
- the flange 25 runs on the body 32, the volume of the chambers 35 quickly decreased. This increases the pressure in these chambers 35 on the resting pressure.
- This significantly higher Pressure is implemented via sensors, preferably PE converters, that the crossing of a train is clearly established. Of the Sensor is not used as an axle counter, but is actuated every wheel passing the sensor, which is a redundancy in the Signal triggering means.
- the system can be designed that after a first triggering of a signal in a defined Period by the subsequent wheels (axles) a second trigger not happened.
- the preferably used PE converters close by Pressure surge under defined conditions an electrical switch.
- the hardness of the rubber-like body 32 can be designed that a person uses the sensor without the use of tools cannot trigger.
- FIGS 6 and 7 show the possibility of fastening the Sensors 11 on the rails 27.
- This fastening system can be one between two neighboring thresholds Assemble the track.
- An L-shaped support element 36 becomes form-fitting attached to the inside 37 of the rail foot 38.
- the threaded rod 41 is with several elongated holes 42 provided, which are designed such that the threaded rod 41 against unauthorized unscrewing, for example by a Padlock that can be secured. To do this, the padlock in the slot between rail 27 and leg 40 of the Suspended carrier 36 that the threaded bore in the leg 40 on next one is.
- the required at 43 Sensors attached On the carrier 36, the required at 43 Sensors attached.
- the sensor unit 2 in FIG. 1 has an energy supply in the form of batteries 14 for continuous operation from 24 hours on, as well as thermal batteries 15 for display / notification empty batteries.
- a switch 16 for commissioning the sensor unit 2 is either outside or, for better security against wanted or unwanted Incorrect operation, inside the sensor unit 2. In the case of Internal arrangement of the switch 16, this is by an electronic Additional device activated from the outside.
- a test facility 17 to test the operational readiness of the system a warning signal when switching on and off.
- the sensor unit 2 transmits the amplified measurement signals to the evaluation unit / central unit 4. This forms the mean from the measurement signals of all three coordinate directions and calculates the gradient of this effective value.
- the evaluation unit 4 works in a three-channel system. The gradient view the measured effective value must therefore be selected so that the early warning system 1 also works when in the measuring range of the sensor 11 vibration-emitting work systems be used.
- the current one Measurement signal assume a larger value than a defined one Threshold, and a larger value than the signal of the last measuring cycle, so that vibrations caused by a permanent Go out source, be hidden.
- the evaluation unit 4 sends a characteristic one Hupton. Batteries or rechargeable batteries 18 serve to supply energy for 24 hours of continuous operation, and thermal batteries 19 to display / report empty batteries.
- the evaluation unit or central unit 4 delivers the command for sending a yes or no signal to the transmission unit 5, which send the appropriate signal to the various receivers transmitted further.
- the transmitter unit 5 also has batteries or 20 batteries for power supply for 24 hours of continuous operation and thermal batteries 21 for displaying / reporting empty Batteries / accumulators on.
- the evaluation unit 4 also sends an activation signal to the protocol unit 7.
- the protocol unit 7 activation and deactivation of the system, as well as individual alarms logged with time and date.
- time and date In the log header Construction site, date, period, responsibility and location captured.
- the receiver 22 on the compressed air bottle (Thyphon) 8 receives the signal from the transmitter unit 5 and activated in the case of YES signal via a compressed air valve 23 the peripheral device Thyphon 8. Manual operation of the Thyphon 8 is on site possible at any time.
- Another signal from the transmitter unit 5 goes to the receiver of individual construction workers worn on the body 9 of the people become.
- These receivers 9 are, for example, for Vibration sensitive buttock or hip area worn and warn in the case of the yes signal by vibration of predeterminable Intensity and duration.
- 9 can also in the receiver an optical stimulus, for example a flash or more Flashes in a predetermined interval and predetermined Total duration, generated and / or an acoustic signal be delivered. There is no dead time between two alarms Recipient.
- the receiver on the body 9 has an energy store 24 with a quick charge and full charge function.
- a special optical warning signal device is in the figures 8 and 9. Warning signals at track construction sites, the one signaling approaching train must be up to a defined Reset command to the track workers the current warning level Show. It can be one or more warning levels act.
- the example in FIGS. 8 and 9 shows one two-stage warning device.
- This two-stage warning signal device 44 consists of a preferably round cylinder 45 with a movable backdrop. This backdrop releases a glass cylinder 46. On the cylinder 45 is a flash lamp 47, which is turned on when a train approaches. This approach of a train represents the alarm level I and calls to interrupt the Work in the track area and to watch the passing Train on.
- a reset signal causes indicator 44 to flash 47 goes out and the backdrop is closed again.
- the indicator 44 can be controlled manually on site or via other data transmission technologies, such as radio, cable, infrared or Ultrasonic lines to be connected to the control center.
- the beginning of a time slice of a system can start at the beginning a second or a minute.
- the sender is the number and duration of the individual segments saved a time slice so that a system out different transmission units based on the stored information about the time slice used and based on the known can orientate exact time so that a mutual There is no need to "plug" the transmitter.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Emergency Alarm Devices (AREA)
- Geophysics And Detection Of Objects (AREA)
Description
- Figur 1
- das Frühwarnsystem im Blockschaltbild;
- Figur 2
- eine Schiene mit Körperschallsensor im Schnitt;
- Figur 3
- eine Schiene mit einer Einrichtung zur Erzeugung eines Körperschall signals im Schnitt;
- Figur 4
- eine Schiene mit Drucksensor im Schnitt;
- Figur 5
- den Drucksensor nach Figur 4 im Längsschnitt;
- Figur 6
- die Schiene mit Sensorträger im Schnitt;
- Figur 7
- die Anordnung von Befestigungselementen des Sensorträger;
- Figur 8
- eine optische Alarmeinrichtung mit Alarm in Stufe I,
- Figur 9
- die optische Alarmeinrichtung mit Alarm in Stufe II.
Claims (11)
- Frühwarnsystem zur sensorischen Erfassung von herannahenden Schienenfahrzeugen, der elektronischen Auswertung der erfaßten Signale und zur Abgabe von Warnsignalen für im Gefahrenbereich befindliche Personen oder Personengruppen bei Erkennung einer Gefahrenquelle,mit einer Zentrale, einer Auswerteeinheit (4), mindestens einer Sendeeinheit (5) und mit Empfangseinheiten (9,22) zum Empfang eines von der Sendeeinheit (5) gesendeten Sendesignals, wobei eine einheitliche, die unterschiedlichen Anforderungen erfüllende Elektronikplatine in die Sendeeinheit (5) als auch in die Empfangseinheiten (9,22) und auch in die Zentrale eingesetzt ist, die alle Funktionen in Form von Hardwarechips umfaßt; wobei die Empfangseinheiten (9,22) sich an akustischen, optischen und sensitiven Alarmeinrichtungen (8,10) des Frühwarnsystems befinden, von denen die optische Alarmeinrichtung (10) eine Lichtblitze in vorbestimmbaren Intervallen und vorbestimmbarer Dauer abgebende Einrichtung umfaßt, die am Körper der zu warnenden Person tragbar ist, während die sensitive Alarmeinrichtung ein Vibrator ist, der in Taschen einer Arbeitskleidung der zu warnenden Person unverlierbar einsetzbar ist und bei Signalauslösung auf den Körper Vibrationen bzw. Körperschwingungen von vorbestimmbarer Dauer und Intensität ausüben kann;mit einer drahtlosen Verbindung zwischen der Auswerteeinheit (4), der Sendeeinheit (5) und den Empfangseinheiten (9,22);mit mindestens einem mit der Sendeeinheit (5) verbundenen Sensor (2,11), der als Schwingungsaufnehmer ausgebildet ist und zur Aufnahme eines in die Schiene (3,27) eingetragenen, impulshaltigen Körperschallsignals geeignet ist;mit einem an einem vorbestimmten Ort entlang der Schiene (3,27) derart auf der Innenseite der Schiene (3,27) befestigbaren, elastisch verformbaren Körper (32), daß der Körper (32) mit der Schienenoberkante bzw. -lauffläche (34) abschließt, wobei der Körper (32) zumindest eine Kammer (35) mit einem definierten, einstellbaren Ruhedruck aufweist, die mit Sensoren für die Signalaufnahme wirkverbunden ist, undmit einer mit den Sensoren für die Signalaufnahme verbundenen Einrichtung (29, 30) zur Erzeugung des impulshaltigen Körperschallsignals im Zeitpunkt eines Überfabrens des Körpers (32) durch das Schienenfahrzeug durch zumindest ein Rad (26) des Schienenfahrzeugs, wobei die Einrichtung mechanische, hydraulische oder pneumatische Mittel zum Einbringen des Körperschallsignals in die Schiene (3,27) umfaßt wobei diese Mittel auf einen Energiespeicher wirken, der den Eintrag des Körperschallsignals in die Schiene (3,27) auslöst.
- Frühwarnsystem nach Anspruch 1,
dadurch gekennzeichnet,
daß der Schwingungsaufnehmer (2,11) im Bereich zwischen zwei benachbarten Schwellen (12) befestigbar ist und Körperschallschwingungen zwischen 20 Hz bis 20 kHz, vorzugsweise 12,5 kHz, in drei Koordinatenrichtungen aufnimmt, wobei der Schwingungsaufnehmer (2,11) eine Gradientenbetrachtung eines gemessenen Effektivwertes durchführt, der den impulshaltigen Körperschall in der Schiene (3,27) hinreichend beschreibt. - Frühwarnsystem nach Anspruch 1,
dadurch gekennzeichnet,
daß zwei hintereinander angeordnete, voneinander getrennte Kammern (35) vorgesehen sind. - Frühwarnsystem nach Anspruch 1,
dadurch gekennzeichnet,
daß der Sensor (2,11) mit der Schiene (3,27) durch einen Magneten an einer Seitenfläche der Schiene (3,27) oder mit ihr mechanisch verbunden und gegen unerlaubtes Entfernen elektronisch und/oder mechanisch gesichert werden kann. - Frühwarnsystem nach Anspruch 4,
dadurch gekennzeichnet,
daß eine im wesentlichen L-förmige Befestigungseinrichtung (36) vorgesehen ist, die an einer Innenseite eines Schienenfusses (38) befestigbar ist, und durch deren senkrechten Schenkel (40) eine Gewindestange (41) geführt und bis zu einem Anschlag eindrehbar ist, wobei die Gewindestange (41) mit Sicherungsmitteln zum Verhindern des Herausdrehens versehen ist. - Frühwarnsystem nach Anspruch 1,
dadurch gekennzeichnet,
daß dem Sensor (2,11) für die Erfassung eines die Schiene (3,27) passierenden Objektes ein optischer Sensor mit Infrarot- oder Lasereinrichtung zugeordnet ist. - Frühwarnsystem nach Anspruch 1,
dadurch gekennzeichnet,
daß dem (2,11) für die Erfassung eines die Schiene (3,27) passierenden Objektes ein elektronischer Sensor zugeordnet ist. - Frühwarnsystem nach einem der Ansprüche 1, 4, 6 oder 7, dadurch gekennzeichnet,
daß der Sensor (2,11) einen von außen nicht zugänglichen Betriebssystemschalter (16) aufweist, der durch eine elektronische Einheit drahtlos betätigbar ist. - Frühwarnsystem nach Anspruch 1,
dadurch gekennzeichnet,
daß die optische Alarmeinrichtung (10) eine aus einem Zylinder (45) gebildeten Warnsignaleinrichtung (44) umfaßt, in dem eine bewegliche Kulisse eingesetzt ist, die einen Glaszylinder (46) für durchscheinendes Tageslicht oder eingeschaltetes Kunstlicht freigibt, wobei auf oder an dem Zylinder (45) eine Blitzlichtlampe (47) zur Erfüllung eines mehrstufigen optischen Alarmsignals vorgesehen ist. - Frühwarnsystem nach Anspruch 1,
dadurch gekennzeichnet,
daß in der Sendeeinheit (5) DCF-Empfangseinheiten eingesetzt sind, durch die ein ausgestrahltes Zeitsignal empfangen und jede Sendeeinheit (5) auf den Beginn einer exakten Zeit gelegt werden kann. - Frühwarnsystem nach Anspruch 10,
dadurch gekennzeichnet,
daß das DCF-Signal zur Regelung mehrerer Sendeeinheiten (5) verwendbar ist, die in einem Funkeinwirkungsbereich auf derselben Frequenz senden.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4428784A DE4428784A1 (de) | 1994-08-13 | 1994-08-13 | Verfahren zur Erfassung von Gefahrenquellen |
DE4428784 | 1994-08-13 | ||
PCT/EP1995/003163 WO1996005095A1 (de) | 1994-08-13 | 1995-08-09 | Verfahren zur erfassung von gefahrenquellen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0800469A1 EP0800469A1 (de) | 1997-10-15 |
EP0800469B1 true EP0800469B1 (de) | 1999-12-22 |
Family
ID=6525656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95929830A Expired - Lifetime EP0800469B1 (de) | 1994-08-13 | 1995-08-09 | Warnsystem zur Erfassung von herannahenden Schienenfahrzeugen |
Country Status (6)
Country | Link |
---|---|
US (1) | US5907294A (de) |
EP (1) | EP0800469B1 (de) |
JP (1) | JPH10504253A (de) |
AT (1) | ATE187938T1 (de) |
DE (2) | DE4428784A1 (de) |
WO (1) | WO1996005095A1 (de) |
Cited By (1)
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DE102017215853A1 (de) * | 2017-09-08 | 2019-03-14 | Siemens Aktiengesellschaft | Vorrichtung zur Erkennung von Vibrationen |
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US20200085116A1 (en) * | 2018-09-13 | 2020-03-19 | Alisha G. Harris | Combination Vibrational And Thermal Jumper |
US20200375277A1 (en) * | 2018-09-13 | 2020-12-03 | Alisha G. Harris | Combination Vibrational and Thermal Jumper |
WO2020113037A1 (en) | 2018-11-28 | 2020-06-04 | Metrom Rail, Llc | Methods and systems for ultra-wideband (uwb) based subway personnel detection |
CN109584634A (zh) * | 2018-12-28 | 2019-04-05 | 中铁局集团新运工程有限公司 | 一种电子防护器、交通障碍预警***及方法 |
WO2020210321A1 (en) | 2019-04-08 | 2020-10-15 | Metrom Rail, Llc. | Methods and systems for achieving vital ultra-wideband (uwb) based train control |
US11414111B1 (en) * | 2021-08-16 | 2022-08-16 | Bnsf Railway Company | System and method for railroad personnel safety assurance |
CN114261424B (zh) * | 2021-12-04 | 2023-04-07 | 国能朔黄铁路发展有限责任公司 | 列车接近及钢轨异常缺陷预警***及方法 |
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DE2425642A1 (de) * | 1974-05-28 | 1975-12-11 | Philips Patentverwaltung | Tragbares, automatisches sicherheitswarnsystem fuer fahrstreckenarbeiten |
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AT377863B (de) * | 1979-04-03 | 1985-05-10 | Strahlen Umweltforsch Gmbh | Steuervorrichtung fuer eine verkehrs-lichtsignalanlage |
US4491290A (en) * | 1979-06-22 | 1985-01-01 | Douglas Robert D | Train defect detecting and enunciating system |
FR2463707A1 (fr) * | 1979-08-23 | 1981-02-27 | Sncf | Procede et dispositif de detection d'eboulement(s) sur voie ferroviaire ou d'approche des trains |
DE3125964A1 (de) * | 1981-07-01 | 1983-02-03 | Karl 8617 Mönchaltdorf Weber | Signaluebertragungssystem mit signalgeber und empfangs- bzw. sendeumsetzer |
EP0076336A1 (de) * | 1981-10-03 | 1983-04-13 | Muckenhaupt, Gesellschaft mit beschränkter Haftung | Warneinrichtung insbesondere für Baustellen im Bereich einer untertägigen Schienenbahn |
US4674067A (en) * | 1986-01-10 | 1987-06-16 | Mobil Oil Corporation | Method and apparatus for generating low frequency acoustic energy waves |
EP0262844A3 (de) * | 1986-09-24 | 1989-07-12 | The Commonwealth Of Australia | Signalisierungseinrichtung |
US4932618A (en) * | 1989-04-11 | 1990-06-12 | Rockwell International Corporation | Sonic track condition determination system |
CH679847A5 (de) * | 1990-01-12 | 1992-04-30 | Bruno Mueller | |
DE9304748U1 (de) * | 1993-03-23 | 1993-11-18 | Ebs Eisenbahnsicherungs Ag, Basel | Optische Rottenwarnanlage |
DE9314495U1 (de) * | 1993-09-24 | 1993-12-09 | Chi, Immanuel, 48149 Münster | Vorrichtung zur Warnung von Gleisarbeitern vor sich nähernden Zügen |
-
1994
- 1994-08-13 DE DE4428784A patent/DE4428784A1/de not_active Withdrawn
-
1995
- 1995-08-09 WO PCT/EP1995/003163 patent/WO1996005095A1/de active IP Right Grant
- 1995-08-09 JP JP8507008A patent/JPH10504253A/ja active Pending
- 1995-08-09 EP EP95929830A patent/EP0800469B1/de not_active Expired - Lifetime
- 1995-08-09 US US08/793,184 patent/US5907294A/en not_active Expired - Fee Related
- 1995-08-09 AT AT95929830T patent/ATE187938T1/de not_active IP Right Cessation
- 1995-08-09 DE DE59507495T patent/DE59507495D1/de not_active Expired - Fee Related
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DE102017215853A1 (de) * | 2017-09-08 | 2019-03-14 | Siemens Aktiengesellschaft | Vorrichtung zur Erkennung von Vibrationen |
Also Published As
Publication number | Publication date |
---|---|
WO1996005095A1 (de) | 1996-02-22 |
DE4428784A1 (de) | 1996-02-15 |
JPH10504253A (ja) | 1998-04-28 |
DE59507495D1 (de) | 2000-01-27 |
US5907294A (en) | 1999-05-25 |
ATE187938T1 (de) | 2000-01-15 |
EP0800469A1 (de) | 1997-10-15 |
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