WO2015070831A1 - Dispositif de mesure de position - Google Patents

Dispositif de mesure de position Download PDF

Info

Publication number
WO2015070831A1
WO2015070831A1 PCT/DE2013/000676 DE2013000676W WO2015070831A1 WO 2015070831 A1 WO2015070831 A1 WO 2015070831A1 DE 2013000676 W DE2013000676 W DE 2013000676W WO 2015070831 A1 WO2015070831 A1 WO 2015070831A1
Authority
WO
WIPO (PCT)
Prior art keywords
measuring device
position sensor
switching element
position measuring
sensor
Prior art date
Application number
PCT/DE2013/000676
Other languages
German (de)
English (en)
Inventor
Werner Bloch
Jürgen Gutekunst
Original Assignee
Balluff Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Balluff Gmbh filed Critical Balluff Gmbh
Priority to DE112013007594.6T priority Critical patent/DE112013007594A5/de
Priority to PCT/DE2013/000676 priority patent/WO2015070831A1/fr
Publication of WO2015070831A1 publication Critical patent/WO2015070831A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object

Definitions

  • the invention relates to a position measuring device according to the independent claim.
  • the Applicant offers, for example, under the Applicant's Internet link: http://www.Balluff.com, object detection measuring devices based on different physical principles, such as inductive distance sensors, micropulse transducers, magneto-inductive displacement sensors, magnetically coded path and angle measuring systems and, for example, optoelectronic distance sensors.
  • the measuring devices ultimately determine the position of a moving object with respect to a position sensor or the distance of a moving object from the position sensor.
  • DE 10 2010 008 495 A1 describes a method for measuring the position of an object, in which a magnet associated with the object is moved along a magnetostrictive waveguide, wherein the magnet causes a first magnetic field component in a region in the waveguide, in which case a current signal is provided with a current pulse which causes a current magnetic field in the waveguide, which has at least one field component in the waveguide, which deviates from the field component caused by the magnet, so that in the specific area of the magnetostrictive
  • a wave is produced by the waveguide.
  • the wave is detected in an evaluation unit, wherein the position of the object is determined from the transit time of the wave in the waveguide.
  • the known procedure is characterized in that the current signal begins with a deliberately predetermined current rise ramp, the time course is set so that no wave is detected, and that following the current rise ramp such a current pulse is provided, the Emergence of a detectable wave leads.
  • a tactile sensor system is described with which a pinch protection is realized on bus doors.
  • a transponder realized as RFID (Radio-Frequency Identification) is provided which constantly transmits a sensor signal to an evaluation unit arranged in the door frame.
  • the energy supply of the arranged in the bus door transponder is obtained from a continuously radiated from the evaluation unit energy signal.
  • a pinching operation arranged in the door seal switching strip is actuated, which is contacted with two damping coils. The two damping coils influence the
  • Safety edge With a closed contact of the safety edge, the sensor signal is greatly attenuated or completely suppressed.
  • the field strength drop or the complete omission of the radiated sensor signal is evaluated by a receiving unit in the evaluation as Einklemmvorgang.
  • the containers are equipped with readable RFID transponders containing data about the container.
  • Several containers are arranged in a box. The reading process after setting an empty container into the box is triggered by a door or a lid of the box is closed.
  • the invention has for its object to provide a position measuring device that allows easy installation without much effort.
  • the position measuring device has a position sensor which contains a position sensor transmit-receive antenna, a transmitting unit, a power supply and a switching element.
  • the position measuring device further comprises an evaluation unit, which contains an evaluation unit transmit-receive antenna, via which the evaluation unit radiates an energy signal, from which the power supply of the position sensor gains the energy for the transmission unit.
  • the evaluation unit also contains a receiving unit which provides an output signal.
  • the position measuring device according to the invention further comprises an actuating element which is associated with a movable object which actuates the switching element of the position sensor at a predetermined position of the object with respect to the position sensor or from a predetermined distance of the object from the position sensor.
  • the position sensor Only with an actuated switching element does the position sensor emit a data signal via the position sensor transceiver antenna which receives the evaluation unit and the receiving unit as the position of the object in relation to the position sensor or as at least a measure of the distance of the object from the position sensor provides.
  • the position measuring device provides a wireless position sensor, so that a hitherto required complex wiring of the position sensor is eliminated.
  • the advantage is particularly noticeable bar, if numerous position sensors are to be installed in an industrial environment.
  • the evaluation unit receives a unique signal which clearly corresponds to a specific position of the mobile object with respect to the position sensor or a distance of the mobile object from the position sensor Position sensor can be assigned.
  • the switching element is a tactile switch and the moving object associated actuator is a simple mechanical actuator.
  • the object associated with the simple mechanical actuator actuates the tactile switch when striking the object or the mechanical actuator to the tactile switch of the position sensor.
  • the switching element is a magnetically actuated switch and the actuating element is a magnet.
  • the magnet actuates the magnetically actuated switch from a predetermined distance of the object from the position sensor.
  • the magnetically actuated switch is preferably realized as a reed contact.
  • a further embodiment provides that the switching element is a radiation sensor and the actuating element is a radiation source.
  • the radiation source actuates the radiation receiver from a predetermined distance of the object from the position sensor.
  • the optical implementation can be used in particular in an industrial environment in which the introduction of an additional magnetic field is undesirable.
  • the radiation sensor is, for example, a photodiode and the radiation source is preferably an LED.
  • the switching element is a temperature sensor and the actuating element is a heat source.
  • the heat source actuates the temperature sensor from a predetermined distance of the object from the position sensor.
  • the switching element is a temperature sensor and the actuator is the ambient temperature itself.
  • the temperature sensor is activated at a predetermined temperature in the area of the object and sends the data signal to the receiver.
  • Radiation source is understood to mean a radiation source which emits electromagnetic radiation outside the infrared range. Det, for example, a light source that emits light in the visible range or in the ultraviolet range. Heat source, on the other hand, means a radiation source which emits light exclusively in the infrared range.
  • the embodiments with the electromagnet, the radiation source and / or the heat source, ie an active realization of the actuating element, each with a required power supply, allows a diagnosis of the position measuring device according to the invention in that the actuating element is switched at least within the detectable distance range with a predetermined clock.
  • the clocking of the actuator must lead to a corresponding clocking of the output signal.
  • the reliability and reliability of the position measuring device according to the invention is increased.
  • a particularly advantageous embodiment of the position measuring device provides that the switching element is arranged in the circuit of the position sensor transmitter-receiver antenna.
  • the power supply of the position sensor is only possible when the switching element is actuated.
  • the position signal contains a specific position sensor number and / or a specific position specification.
  • a specific position sensor and / or a specific position can be clearly identified on the basis of the output signal.
  • status information can be transmitted.
  • the data signal contains status information about the object.
  • the status information can be, for example, the fill level of a medium in the container.
  • FIG. 1 shows schematically a position measuring device according to the invention
  • FIG. 2 shows a position sensor which is contained in the position measuring device according to the invention
  • FIG. 3 shows an evaluation unit which is contained in the position-measuring device according to the invention
  • FIG. 4 shows a first embodiment of an actuating element associated with a movable object and a switching element contained in the position sensor
  • FIG. 5 shows a second embodiment of the actuating element and of the switching element
  • FIG. 6 shows a third embodiment of the actuating element and of the switching element
  • Figure 7 shows a fourth embodiment of the actuating element and the switching element
  • Figure 8 shows a fifth embodiment of the actuating element and the switching element.
  • FIG. 1 shows a position-measuring device 10 according to the invention which has a position sensor 12, a switching element 14 contained in the position sensor 12, an evaluation unit 16 and an actuating element 20 assigned to a movable object 18.
  • the evaluation unit 16 provides an output signal 22 which reflects at least one measure of a position 24 of the movable object 18 with respect to the position sensor 12 or at least a measure of the movable object 18 located within a predetermined distance 26 from the position sensor 12.
  • a bidirectional radio-frequency radio link 28 which comprises an energy signal 30a emitted by the evaluation unit 16 in the direction of the position sensor 12 and a data signal 32a emitted by the position sensor 12 in the direction of the evaluation unit 16.
  • Figure 2 shows a block diagram of the position sensor 12. Those parts which correspond to the parts shown in Figure 1, are designated in Figure 2 each with the same reference numerals. This agreement also applies to the following figures.
  • the position sensor 12 includes a position sensor transceiver antenna 40, symbolized as a dipole arrangement.
  • the switching element 14 is arranged, which is actuated by the actuating element 20.
  • the position sensor transceiver antenna 40 is connected to both a power supply 42 and a transmitting unit 44, wherein the connection in the exemplary embodiment shown in Figure 2 only exists when the switching element 14 is actuated.
  • the power supply 42 which is provided with a received power signal 30b
  • the transmitting unit 44 which provides a data signal 32b which is emitted by the position sensor transceiver antenna 40 as a data signal 32a, may be referred to as the first transponder.
  • Transponder is available as RFID (Radio-Frequency Identification) device particularly inexpensive.
  • the power supply 42 obtains from the received energy signal 30b, which corresponds to the radiated energy signal 30a, a power supply signal 46 which is made available to the transmitting unit 44 and supplies the transmitting unit 44 with electrical energy.
  • the transmission unit 44 is provided with a position sensor number 48 and a position specification 50, which can each be transmitted by the transmission unit 44 as part of the data signal 32a, 32b to the evaluation unit 16.
  • FIG. 3 shows a block diagram of the evaluation unit 16.
  • the evaluation unit 16 includes an evaluation unit transceiver antenna 60, a power source 62 and a receiving unit 64, which provides the output signal 22.
  • the energy source 62 provides an energy signal 30c which emits the evaluation unit transceiver antenna 60, which is also symbolized as a dipole, as the energy signal 30a and which corresponds in the position sensor 12 to the received energy signal 30b.
  • the receiving unit 64 receives the data signal 32b provided by the transmitting unit 44 of the position sensor 12 and data signal 32a radiated by the position sensor transmitting-receiving antenna 40 as a received data signal 32c.
  • the receiving unit 64 determines the output signal 22 from the received data signal 32c.
  • the position measuring device 10 according to the invention according to FIGS. 3 works like this:
  • the data signal 32a emits the position sensor 12 only when the switching element 14 of the position sensor 12 is actuated.
  • the actuation takes place by means of the actuating element 20 associated with the movable object 18.
  • the actuation takes place either at a specific position 24 of the movable object 18 with respect to the position sensor 12 or when the movable object 18 is within the distance 26 from the position sensor 12.
  • the data signal 32a is therefore not emitted when the switching element 14 is not actuated.
  • the position measuring device 10 thereby has a high level of operational reliability.
  • An erroneous emission of the data signal 32a for example due to interference in the position sensor 12 interference, which would otherwise be possible at any time without the activation by means of the inventively provided switching element 14, is effectively prevented.
  • the actuation of the switching element 14 ensures that the position signal 32a is legitimately emitted.
  • the energy source 62 in the evaluation unit 16 constantly provides the energy signal 30c which is emitted by the evaluation unit transceiver antenna 60 at least also in the direction of the position sensor 12 as an energy signal 30a and by the position sensor transceiver antenna 40 as a received energy signal 30b of the power supply 42 in the position sensor 12 is provided.
  • the received energy signal 30b of the power supply 42 is constantly made available, so that the transmitting unit 44 is constantly supplied with energy.
  • the received energy signal 30b of the power supply 42 is provided only when the switching element 14 is actuated.
  • the realization is simply possible because the switching element 14 is arranged in the circuit of the position sensor transceiver antenna 40, so that the reception of the energy signal 30a is possible only when the switching element 14 is actuated.
  • the output signal 22 may be a simple switching signal signaling that the moving object 18 has reached the determined position 24 with respect to the position sensor 12 or that the object 18 is within the determined distance 26 from the position sensor 12.
  • the output signal 22 may alternatively or additionally include the position sensor number 48, so that an assignment to a specific position sensor 12 is easily possible.
  • the output signal 22 may alternatively or additionally include the position indication 50, so that an unambiguous position indication or distance indication is possible.
  • the received data signal 32c may include other information, such as status information about the status of the object 18 being monitored by the position sensor 12. For example, reaching a certain level of a medium may be communicated in a container that is at the particular location.
  • FIG. 4 shows a first exemplary embodiment of the switching element 14 arranged in the position sensor 12 and of the actuating element 20 assigned to the movable object 18.
  • the switching element 14 is realized as a tactile switch 70 which is switched when striking or pressing a simple mechanical actuating element 72. The particular position 24 is when the switch 70 is closed. Only then is the data signal 32a emitted by the position sensor 12.
  • Figure 5 shows a second embodiment of the switching element 14 and the actuating element 20.
  • the switching element 14 is realized as a magnetically actuated switch 80, in the present case as a reed contact, and the actuating element 20 as a magnet 82, in the present case as a permanent magnet. With a sufficiently strong magnetic field 84 closes the magnetically actuated switch 80.
  • the predetermined distance 26 is reached or falls below when the magnetically actuated switch 80 is closed. Only then is the data signal 32a reflecting the specific distance 26 radiated by the position sensor 12.
  • FIG. 6 shows an exemplary embodiment according to a development of the actuating element 20 shown in FIG. 5 realized as a magnet 82.
  • the permanent magnet is replaced by an electromagnet 90 which requires a power supply 92.
  • FIG. 7 shows a fourth exemplary embodiment of the switching element 14 and the actuating element 20.
  • the switching element 14 is implemented as a radiation sensor 100 and the actuating element 20 as a radiation source 102.
  • the radiation source 102 is an LED and the radiation sensor 100 is a photodiode.
  • the radiation source 102 requires a power supply 104.
  • FIG 8 shows a fifth embodiment of the switching element 14 and the actuating element 20.
  • the switching element 14 is implemented as a temperature sensor 110 and the actuator 20 as a heat source 1 12.
  • the heat source 102 also requires a power supply 1 14.
  • the switching element 14 is again realized as a temperature sensor 110, but the actuating element is the ambient temperature in the region of the object 18 per se.
  • the temperature sensor 110 is activated from a predetermined temperature.
  • the switching element 14 is actuated whenever the actuating element 20 or the movable object 18 is at the beginning of the determined distance 26 or is within the predetermined distance 26 from the position sensor 12.
  • FIGS. 6, 7 and 8 each show an active actuating element 20, which in each case requires a power supply 92, 104, 114.
  • the advantage with these implementations is that a diagnosis of the position measuring device 10 according to the invention can be carried out.
  • a diagnosis of the position measuring device 10 according to the invention can be carried out.
  • a corresponding warning signal can be provided which prompts an operator of the position-measuring device 10 according to the invention for checking the position-measuring device 10. This further increases the operational safety and reliability of the position-measuring device 10 according to the invention.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

L'invention concerne un dispositif de mesure de position (10) comportant un capteur de position (12) qui est équipé d'une antenne d'émission-réception de capteur de position (40), d'une unité d'émission (44), d'une alimentation (42) et d'un élément de commutation (14), une unité d'évaluation (16) qui est équipée d'une antenne d'émission-réception d'unité d'évaluation (60) permettant à l'unité d'évaluation (16) d'émettre un signal de puissance (30a) à partir duquel l'alimentation (42) du capteur de position (12) obtient de l'énergie pour l'unité d'émission (44 ), l'unité d'évaluation (16) étant en outre équipée d'une unité de réception (64) et générant un signal de sortie (22), ainsi qu'un élément d'actionnement (20) qui est associé à un objet mobile (18) et qui actionne l'élément de commutation (16) du capteur de position (12) lorsque l'objet (18) à une position prédéterminée (24) ou lorsque l'objet (18) est à une distance prédéterminée (26) du capteur de position (12), le capteur de position (18) émettant, par le biais de l'antenne d'émission-réception de capteur de position (40) lorsque l'élément de commutation (14) est actionné, un signal de données (32a) que reçoit l'antenne d'émission-réception de l'unité d'évaluation (60) et que l'unité de réception (64) produit conjointement avec le signal de sortie (22) comme mesure de la position (26) de l'objet (18) par rapport au capteur de position (12) ou comme une mesure de la distance (26) de l'objet (18) par rapport au capteur de position (12).
PCT/DE2013/000676 2013-11-13 2013-11-13 Dispositif de mesure de position WO2015070831A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112013007594.6T DE112013007594A5 (de) 2013-11-13 2013-11-13 Positionsmessvorrichtung
PCT/DE2013/000676 WO2015070831A1 (fr) 2013-11-13 2013-11-13 Dispositif de mesure de position

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DE2013/000676 WO2015070831A1 (fr) 2013-11-13 2013-11-13 Dispositif de mesure de position

Publications (1)

Publication Number Publication Date
WO2015070831A1 true WO2015070831A1 (fr) 2015-05-21

Family

ID=49999647

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2013/000676 WO2015070831A1 (fr) 2013-11-13 2013-11-13 Dispositif de mesure de position

Country Status (2)

Country Link
DE (1) DE112013007594A5 (fr)
WO (1) WO2015070831A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015101351A1 (de) 2015-01-29 2016-08-04 Balluff Gmbh System zur kontaktlosen Energie- und Datenübertragung

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5649295A (en) * 1995-06-19 1997-07-15 Lucent Technologies Inc. Dual mode modulated backscatter system
DE19738229A1 (de) * 1997-09-02 1999-03-04 Bilz Otto Werkzeug Werkzeug oder Werkzeughalter
DE19923376A1 (de) * 1999-05-21 2000-06-15 Siemens Ag Verfahren und Vorrichtung zur berührungslosen Positionserfassung eines Gegenstandes
US6107910A (en) * 1996-11-29 2000-08-22 X-Cyte, Inc. Dual mode transmitter/receiver and decoder for RF transponder tags
WO2002009989A1 (fr) * 2000-07-28 2002-02-07 Continental Teves Ag & Co. Ohg Systeme, capteur de position et dispositif de reception permettant la transmission securisee de la position d'un element d'actionnement, ainsi que son utilisation
DE10140930C1 (de) 2001-08-10 2003-06-12 Mayser Gmbh & Co Kg Taktiles Sensorsystem mit Transponder
JP2004156312A (ja) * 2002-11-06 2004-06-03 Omron Corp 扉開閉検出装置，扉装置，安全管理システム，扉の開閉検出方法
DE102010008495A1 (de) 2010-02-18 2011-08-18 BALLUFF GmbH, 73765 Verfahren zur Positionsmessung und Positions-Messvorrichtung
US20120126832A1 (en) * 2010-11-22 2012-05-24 Raymond Jensen Sensor Assembly And Methods Of Measuring A Proximity Of A Machine Component To A Sensor
DE102011114612A1 (de) 2011-06-21 2013-05-16 Würth Industrie Service GmbH & Co. KG Verfahren zur Abwicklung von Kanban-Aufträgen und RFID-Palettenbox

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5649295A (en) * 1995-06-19 1997-07-15 Lucent Technologies Inc. Dual mode modulated backscatter system
US6107910A (en) * 1996-11-29 2000-08-22 X-Cyte, Inc. Dual mode transmitter/receiver and decoder for RF transponder tags
DE19738229A1 (de) * 1997-09-02 1999-03-04 Bilz Otto Werkzeug Werkzeug oder Werkzeughalter
DE19923376A1 (de) * 1999-05-21 2000-06-15 Siemens Ag Verfahren und Vorrichtung zur berührungslosen Positionserfassung eines Gegenstandes
WO2002009989A1 (fr) * 2000-07-28 2002-02-07 Continental Teves Ag & Co. Ohg Systeme, capteur de position et dispositif de reception permettant la transmission securisee de la position d'un element d'actionnement, ainsi que son utilisation
DE10140930C1 (de) 2001-08-10 2003-06-12 Mayser Gmbh & Co Kg Taktiles Sensorsystem mit Transponder
JP2004156312A (ja) * 2002-11-06 2004-06-03 Omron Corp 扉開閉検出装置，扉装置，安全管理システム，扉の開閉検出方法
DE102010008495A1 (de) 2010-02-18 2011-08-18 BALLUFF GmbH, 73765 Verfahren zur Positionsmessung und Positions-Messvorrichtung
US20120126832A1 (en) * 2010-11-22 2012-05-24 Raymond Jensen Sensor Assembly And Methods Of Measuring A Proximity Of A Machine Component To A Sensor
DE102011114612A1 (de) 2011-06-21 2013-05-16 Würth Industrie Service GmbH & Co. KG Verfahren zur Abwicklung von Kanban-Aufträgen und RFID-Palettenbox

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015101351A1 (de) 2015-01-29 2016-08-04 Balluff Gmbh System zur kontaktlosen Energie- und Datenübertragung
US9893570B2 (en) 2015-01-29 2018-02-13 Balluff Gmbh System for contactless energy and data transfer

Also Published As

Publication number Publication date
DE112013007594A5 (de) 2016-08-18

Similar Documents

Publication Publication Date Title
EP1673866B1 (fr) Commutateur de protection, notamment commutateur d'arret d'urgence, pour deconnecter un dispositif dangereux
DE102009008174A1 (de) Verfahren und System zur Bestimmung der Entfernung, der Geschwindigkeit und/oder der Bewegungsrichtung eines RFID-Transponders
EP1647094B1 (fr) Procede et dispositif de controle sur d'une position de fermeture de deux pieces pouvant se deplacer relativement l'une par rapport a l'autre
DE102007058278A1 (de) Sicherheitsgurtsystem
DE10222186C1 (de) Sicherheitsschalter
WO2015070831A1 (fr) Dispositif de mesure de position
EP1836654A1 (fr) Procede de localisation d'un transpondeur a base de retrodiffusion
DE102015101351A1 (de) System zur kontaktlosen Energie- und Datenübertragung
EP3258296A1 (fr) Armoire de micro-ondes de reflexion
EP3015755B1 (fr) Élément RFID, système d'émetteur/récepteur RFID ainsi que commutateur de sécurité
EP3640896B1 (fr) Poignée de porte de véhicule pourvue d'électronique de communication de champ proche
EP3144430B1 (fr) Dispositif et procédé de surveillance d'une situation de danger entre une machine de travail et un utilisateur de la machine de travail et système de surveillance
DE102013103972B4 (de) Objektlokalisierung auf einer Fördereinrichtung
DE102017113525B4 (de) RFID-Lesevorrichtung
DE102017111367A1 (de) Abstandsmesssystem, -verfahren und diese verwendendes Robotersystem
DE102015113937A1 (de) Drahtloses Überwachungssystem
EP3290948A1 (fr) Capteur et systeme de determination de position
DE19535542A1 (de) Identifizierungs- und/oder Sensorsystem
DE202022106398U1 (de) Sicherheitssystem mit einem Sicherheitssystem
DE2407335C3 (de) Einrichtung zum Verkürzen der Einschaltdauer des Hochfrequenzsenders eines Abfragegerätes in einer Ortungsanlage für Eisenbahnfahrzeuge
DE102022130166A1 (de) Sicherheitssystem und Verfahren mit einem Sicherheitssystem
DE4336896C2 (de) Verfahren zur Energieversorgung von mit akustischen Oberflächenwellen arbeitenden und mit aktiver Elektronik beschalteten Identifizierungsmarken
DE19742686A1 (de) Vorrichtung zur Kollisionsdetektion relativ zueinander bewegter Teile
EP1013014B1 (fr) Methode d'essai pour un recepteur mobile
DE102013203663A1 (de) Zustandsüberwachung mit RFID

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13823922

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 112013007594

Country of ref document: DE

Ref document number: 1120130075946

Country of ref document: DE

REG Reference to national code

Ref country code: DE

Ref legal event code: R225

Ref document number: 112013007594

Country of ref document: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13823922

Country of ref document: EP

Kind code of ref document: A1