EP1531431A2 - Electronically activatable locking mechanism - Google Patents
Electronically activatable locking mechanism Download PDFInfo
- Publication number
- EP1531431A2 EP1531431A2 EP04104755A EP04104755A EP1531431A2 EP 1531431 A2 EP1531431 A2 EP 1531431A2 EP 04104755 A EP04104755 A EP 04104755A EP 04104755 A EP04104755 A EP 04104755A EP 1531431 A2 EP1531431 A2 EP 1531431A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- antenna
- locking mechanism
- transponder
- acquisition device
- signal detection
- 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.)
- Granted
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Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
- G07C2009/00365—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks in combination with a wake-up circuit
Definitions
- the invention relates to an electronically activatable Locking mechanism for a locking device with a Antenna for receiving signals from a transponder of a Data carrier and for the production of electrical, the Transponder corresponding signals, with control electronics for evaluating the signals of the antenna and the Control of a locking bolt depending on the Data of the transponder and with a signal detection device for detecting the signal of the antenna and with a data acquisition device for detection and evaluation the data signals of the transponder.
- Such locking mechanisms for example, in so-called electronic locking cylinders or locking systems used for motor vehicles.
- the transponder and the data carrier serve as proof of a person for Authorization of the activation of the locking mechanism. is the transponder is in the reception area of the antenna, the data carrier is read out and from the control electronics the authorization to activate the locking mechanism determined.
- a constant readiness of the control electronics but has the disadvantage of very high power consumption.
- a high power consumption leads in particular in battery-operated locking devices, such as electronic Locking cylinders, for a short life the battery and thus a high maintenance of the Locking mechanism.
- the control electronics a capacitive Sensor upstream.
- the capacitive sensor activates the locking mechanism the control electronics. Subsequently, the data query started.
- the capacitive sensor causes a very high structural design of the locking mechanism.
- the sensor activates the control electronics any approach of a person, an animal and, where appropriate a piece of metal or in the rain, resulting in a high power consumption leads.
- the invention is based on the problem, a locking mechanism of the type mentioned at the beginning, that he has the lowest possible power consumption and a high structural complexity is largely avoided.
- the signal detection device and the data acquisition device independently activatable modules have that the assemblies connected together are and that the assembly of the data acquisition device is inactive in the ground state and by a signal of Signal detection device is activated.
- the signal detection device By this design must in the ground state exclusively the signal detection device be cyclically active. Since the signal detection means no detection of Data signals of the transponder operates requires this a particularly low power requirement.
- the signal detection device According to the invention, whether at all a transponder is located near the antenna. Only when any transponder is detected does the data acquisition device become started, the data from the disk read out and the authorization to control the locking mechanism detected. Furthermore, the required Locking mechanism according to the invention no further sensors to start the data acquisition device, since the data acquisition device from the signals of the transponder receiving signal detection device is activated.
- the locking mechanism according to the invention is therefore particularly simple and has a low power consumption on.
- the antenna could receive the data of the transponder are permanently energized.
- a constant Reception readiness of the antenna can be according to a advantageous embodiment of the invention, however, simple avoid if the signal detection device a pulse generator and a first, for the duration of a pulse has controllable switching stage and if the first Switching the antenna during the pulse with a Power source connects. This contributes to the further reduction the power consumption of the control electronics.
- the data acquisition device can be upon receipt of a Signals through the antenna according to another advantageous Simply activate the invention, if the data acquisition device a third Switching stage to its activation and if the third Switching stage of the signal detection device controlled is. In the absence of a signal the antenna remains frozen the data acquisition device in the inactive state and therefore avoids unnecessary power consumption during standby without signal of the antenna.
- the detection of the transponder requires according to another advantageous development of the invention a particularly low power consumption when the second Switching stage remains in the active state up to 100 ⁇ s.
- Locking mechanism helps when a data collection device connected to the third switching stage is.
- the detection by the signal detection device if there is a signal needed much less electrical energy than the detection, what data is available.
- the arrangement of the data acquisition device exclusively after the third Switching can be the power consumption for the data acquisition device keep it low.
- the locking mechanism according to the invention is particularly compact constructed when the signal detection device and the data acquisition device a common microprocessor exhibit.
- the fourth switching stage is easy to control when the Data acquisition device, the signals of the transponder has evaluated and releases the locking mechanism. Without Release authorization is omitted under the control of fourth switching stage, so that the locking latch de-energized in his blocking the lock cylinder position remains.
- Figure 1 shows schematically a sectional view through a lock cylinder 1 with a in a housing. 2 rotatable core 3 and an electronically activated Locking mechanism 4 for selective blocking or release the movement of the core 3.
- the locking mechanism 4 has an electronic control unit 6 connected to an actuator 5.
- the actuator 5 serves to hold or release the movement one biased into a recess 7 of the core 3 Locking bar 8.
- the control electronics 6 is equipped with an antenna 9 and connected by a battery 10 as Power source supplied with electrical power.
- the core 3 has a closing channel 11 for receiving a shank of a key 12.
- the key 12 has one with a transponder 13 connected to the disk 14. Is the Key 12 moves in the vicinity of the antenna 9 receives these signals of the transponder 13.
- the control electronics. 6 reads out the data carrier 14 and determines from this data a locking authorization of the lock cylinder 1. Thus will depend on the data of the disk 14, the actuator 5 selectively driven or the control omitted.
- FIG. 2 shows a circuit diagram of the locking mechanism 4 Figure 1 with the disk 14 and the transponder resonant circuit 13 of the key.
- the control electronics 6 has a signal detection means 15 for receiving the Signals of the antenna 9 and a data acquisition device 16 for reading the data carrier 14 and for determination the closing authorization.
- the signal detection device 15 and the data acquisition device 16 have a common Microprocessor 17 and independently activatable modules.
- An assembly of the signal detection device 15 has a pulse generator 18 and a first switching stage 19. Depending on the signals the pulse generator 18, the first switching stage 19 is driven and the antenna 9 is connected to the battery 10. As a result, in the antenna 9, a magnetic pulse educated.
- the antenna 9 is found in the Antenna 9 Reactions due to the magnetic pulse.
- the battery 10 With the Amplifier 21 connected. This will be the repercussions detected in the antenna 9 and the microprocessor 17 for Signal evaluation forwarded.
- the microprocessor 17 detects the existing in the reception area of the antenna 9 Transponder 13 and then activates the third Switching stage 25, thus connecting the data acquisition device 16 with the battery 10.
- a carrier generator 28 the antenna 9 is energized periodically.
- the antenna 9 transmits thereby a magnetic alternating field, which the transponder 13 is powered in their reception area, and the Transponder 13 then sends its data. These be from the signal of the antenna from a demodulator 26 and an amplifier 27 detected and sent to the microprocessor 17 forwarded for evaluation.
- the microprocessor 17 is connected to a fourth switching stage 22, which activates the actuator 5 shown in FIG.
- the antenna 9 receives in response to the signals the pulse generator 18, the first switching stage a periodic Excitation pulse. This turns the winding of the antenna 9 energized. It forms near the antenna magnetic field, which due to the shortness of the pulse collapses again. After the impulse arises in the antenna 9 no periodic voltage change as Feedback by the impulse, which has the consequence that the third switching stage 25 is not driven and the data acquisition is not turned on.
- the impulsive excitation of the resonant circuit in the transponder 13 after the impulse there is an evanescent, periodic one Oscillation according to the resonance characteristic of the antenna circuit one.
- a transponder antenna 24 generates in rhythm the vibration is a relatively weak magnetic Field.
- the antenna 9 receives the field and gives it as AC signal to the amplifier 21 of the signal detection device 15 continue.
- the microprocessor 17 controls after evaluation of the pulse train, the third Switching stage 25 for the data acquisition device 16 at.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lock And Its Accessories (AREA)
- Surgical Instruments (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Medicinal Preparation (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
Description
Die Erfindung betrifft einen elektronisch aktivierbaren Sperrmechanismus für eine Schließeinrichtung mit einer Antenne zum Empfang von Signalen eines Transponders eines Datenträgers und zur Erzeugung von elektrischen, dem Transponder entsprechenden Signalen, mit einer Steuerelektronik zur Auswertung der Signale der Antenne und zur Ansteuerung eines Sperrriegels in Abhängigkeit von den Daten des Transponders und mit einer Signalerfassungseinrichtung zur Erfassung des Signals der Antenne und mit einer Datenerfassungseinrichtung zur Erfassung und Auswertung der Daten-Signale des Transponders.The invention relates to an electronically activatable Locking mechanism for a locking device with a Antenna for receiving signals from a transponder of a Data carrier and for the production of electrical, the Transponder corresponding signals, with control electronics for evaluating the signals of the antenna and the Control of a locking bolt depending on the Data of the transponder and with a signal detection device for detecting the signal of the antenna and with a data acquisition device for detection and evaluation the data signals of the transponder.
Solche Sperrmechanismen werden beispielsweise bei sogenannten elektronischen Schließzylindern oder bei Schließanlagen für Kraftfahrzeuge eingesetzt. Der Transponder und der Datenträger dienen zum Nachweis einer Person zur Berechtigung der Ansteuerung des Sperrmechanismus. Befindet sich der Transponder im Empfangsbereich der Antenne, wird der Datenträger ausgelesen und von der Steuerelektronik die Berechtigung zur Aktivierung des Sperrmechanismus ermittelt. Eine ständige Bereitschaft der Steuerelektronik hat jedoch den Nachteil eines sehr hohen Stromverbrauchs. Ein hoher Stromverbrauch führt insbesondere bei batteriebetriebenen Schließeinrichtungen, wie elektronischen Schließzylindern, zu einer kurzen Lebensdauer der Batterie und damit zu einem hohen Wartungsaufwand des Sperrmechanismus. Such locking mechanisms, for example, in so-called electronic locking cylinders or locking systems used for motor vehicles. The transponder and the data carrier serve as proof of a person for Authorization of the activation of the locking mechanism. is the transponder is in the reception area of the antenna, the data carrier is read out and from the control electronics the authorization to activate the locking mechanism determined. A constant readiness of the control electronics but has the disadvantage of very high power consumption. A high power consumption leads in particular in battery-operated locking devices, such as electronic Locking cylinders, for a short life the battery and thus a high maintenance of the Locking mechanism.
Zur Verringerung des Stromverbrauchs bei einem sogenannten Bereitschaftsbetrieb ist es aus der EP 1 235 190 A1 beispielsweise bekannt, der Steuerelektronik einen kapazitiven Sensor vorzuschalten. Bei Annäherung einer Person an den Sperrmechanismus aktiviert der kapazitive Sensor die Steuerelektronik. Anschließend wird die Datenabfrage gestartet. Der kapazitive Sensor verursacht jedoch einen sehr hohen konstruktiven Aufbau des Sperrmechanismus. Weiterhin aktiviert der Sensor die Steuerelektronik bei jeder Annäherung einer Person, eines Tieres und gegebenenfalls eines Metallteils oder bei Regen, was zu einem hohen Stromverbrauch führt.To reduce power consumption in a so-called Standby mode is known from EP 1 235 190 A1 For example, known, the control electronics a capacitive Sensor upstream. When approaching a person The capacitive sensor activates the locking mechanism the control electronics. Subsequently, the data query started. However, the capacitive sensor causes a very high structural design of the locking mechanism. Furthermore, the sensor activates the control electronics any approach of a person, an animal and, where appropriate a piece of metal or in the rain, resulting in a high power consumption leads.
Weiterhin ist aus der DE 101 45 026 A1 ein Sperrmechanismus bekannt, bei dem eine zweite Antenne als Annäherungssensor vorgesehen ist. Der Annäherungssensor aktiviert die Datenabfrage. Diese zweite Antenne verursacht jedoch einen beträchtlichen baulichen Aufwand und hat einen großen Platzbedarf. Bedingt durch den hohen Platzbedarf lässt sich die zweite Antenne nur schwer in einem Schließzylinder anordnen.Furthermore, from DE 101 45 026 A1 a locking mechanism known, in which a second antenna as a proximity sensor is provided. The proximity sensor is activated the data query. However, this second antenna causes a considerable construction effort and has a large Space requirements. Due to the high space requirement the second antenna is hard to get in one Arrange lock cylinder.
Der Erfindung liegt das Problem zugrunde, einen Sperrmechanismus der eingangs genannten Art so weiterzubilden, dass er einen möglichst geringen Stromverbrauch hat und ein hoher baulicher Aufwand weitgehend vermieden wird.The invention is based on the problem, a locking mechanism of the type mentioned at the beginning, that he has the lowest possible power consumption and a high structural complexity is largely avoided.
Dieses Problem wird erfindungsgemäß dadurch gelöst, dass die Signalerfassungseinrichtung und die Datenerfassungseinrichtung unabhängig voneinander aktivierbare Baugruppen aufweisen, dass die Baugruppen miteinander verbunden sind und dass die Baugruppe der Datenerfassungseinrichtung im Grundzustand inaktiv ist und durch ein Signal der Signalerfassungseinrichtung aktivierbar ist. This problem is inventively achieved in that the signal detection device and the data acquisition device independently activatable modules have that the assemblies connected together are and that the assembly of the data acquisition device is inactive in the ground state and by a signal of Signal detection device is activated.
Durch diese Gestaltung muss im Grundzustand ausschließlich die Signalerfassungseinrichtung zyklisch aktiv sein. Da die Signalerfassungseinrichtung keine Erfassung von Daten-Signalen des Transponders betreibt, erfordert diese einen besonders geringen Strombedarf. Die Signalerfassungseinrichtung erfasst erfindungsgemäß, ob sich überhaupt ein Transponder in der Nähe der Antenne befindet. Erst wenn irgendein Transponder erfasst ist, wird die Datenerfassungseinrichtung gestartet, die Daten aus dem Datenträger ausgelesen und die Berechtigung zum Ansteuern des Sperrmechanismus festgestellt. Weiterhin benötigt der erfindungsgemäße Sperrmechanismus keine weiteren Sensoren zum Start der Datenerfassungseinrichtung, da die Datenerfassungseinrichtung von der die Signale des Transponders empfangenden Signalerfassungseinrichtung aktiviert wird. Der erfindungsgemäße Sperrmechanismus ist daher besonders einfach aufgebaut und weist einen geringen Strombedarf auf.By this design must in the ground state exclusively the signal detection device be cyclically active. Since the signal detection means no detection of Data signals of the transponder operates requires this a particularly low power requirement. The signal detection device According to the invention, whether at all a transponder is located near the antenna. Only when any transponder is detected does the data acquisition device become started, the data from the disk read out and the authorization to control the locking mechanism detected. Furthermore, the required Locking mechanism according to the invention no further sensors to start the data acquisition device, since the data acquisition device from the signals of the transponder receiving signal detection device is activated. The locking mechanism according to the invention is therefore particularly simple and has a low power consumption on.
Die Antenne könnte beispielsweise zum Empfang der Daten des Transponders dauerhaft bestromt werden. Eine ständige Empfangsbereitschaft der Antenne lässt sich gemäß einer vorteilhaften Weiterbildung der Erfindung jedoch einfach vermeiden, wenn die Signalerfassungseinrichtung einen Impulsgeber und eine erste, für die Dauer eines Impulses ansteuerbare Schaltstufe aufweist und wenn die erste Schaltstufe die Antenne während des Impulses mit einer Stromquelle verbindet. Dies trägt zur weiteren Verringerung des Stromverbrauchs der Steuerelektronik bei.For example, the antenna could receive the data of the transponder are permanently energized. A constant Reception readiness of the antenna can be according to a advantageous embodiment of the invention, however, simple avoid if the signal detection device a pulse generator and a first, for the duration of a pulse has controllable switching stage and if the first Switching the antenna during the pulse with a Power source connects. This contributes to the further reduction the power consumption of the control electronics.
Eine schnelle Erfassung eines im Empfangsbereich der Antenne befindlichen Transponders bei gleichzeitig geringem Stromverbrauch des erfindungsgemäßen Sperrmechanismus lässt sich einfach erreichen, wenn der Impulsgeber Impulse mit einer an die Antennencharakteristik angepassten Dauer liefert. Zur schnellen Erfassung eines Transponders im Empfangsbereich genügen häufig vier Impulse in der Sekunde.Fast detection of one in the reception area of the antenna located transponder at the same time low Power consumption of the locking mechanism according to the invention can be reached easily if the pulse generator impulses with a matched to the antenna characteristics Duration delivers. For fast detection of a transponder In the reception area, four pulses per second are often sufficient.
Die Datenerfassungseinrichtung lässt sich bei Empfang eines Signals über die Antenne gemäß einer anderen vorteilhaften Weiterbildung der Erfindung einfach aktivieren, wenn die Datenerfassungseinrichtung eine dritte Schaltstufe zu ihrer Aktivierung hat und wenn die dritte Schaltstufe von der Signalerfassungseinrichtung ansteuerbar ist. Bei Ausbleiben eines Signals der Antenne verharrt die Datenerfassungseinrichtung im inaktiven Zustand und vermeidet daher unnötigen Stromverbrauch bei Bereitschaft ohne Signal der Antenne.The data acquisition device can be upon receipt of a Signals through the antenna according to another advantageous Simply activate the invention, if the data acquisition device a third Switching stage to its activation and if the third Switching stage of the signal detection device controlled is. In the absence of a signal the antenna remains frozen the data acquisition device in the inactive state and therefore avoids unnecessary power consumption during standby without signal of the antenna.
Das Erfassen des Transponders erfordert gemäß einer anderen vorteilhaften Weiterbildung der Erfindung einen besonders geringen Stromverbrauch, wenn die zweite Schaltstufe bis zu 100µs im aktiven Zustand verharrt.The detection of the transponder requires according to another advantageous development of the invention a particularly low power consumption when the second Switching stage remains in the active state up to 100μs.
Zur weiteren Verringerung des Stromverbrauchs des erfindungsgemäßen Sperrmechanismus trägt es bei, wenn eine Datenerfassungseinrichtung mit der dritten Schaltstufe verbunden ist. Die Erkennung durch die Signalerfassungseinrichtung ob ein Signal vorliegt, benötigt wesentlich weniger elektrische Energie als die Erkennung, welche Daten vorliegen. Durch die Anordnung der Datenerfassungseinrichtung ausschließlich nach der dritten Schaltstufe lässt sich der Stromverbrauch für die Datenerfassungseinrichtung besonders gering halten.To further reduce the power consumption of the invention Locking mechanism helps when a data collection device connected to the third switching stage is. The detection by the signal detection device if there is a signal needed much less electrical energy than the detection, what data is available. By the arrangement of the data acquisition device exclusively after the third Switching can be the power consumption for the data acquisition device keep it low.
Der erfindungsgemäße Sperrmechanismus ist besonders kompakt aufgebaut, wenn die Signalerfassungseinrichtung und die Datenerfassungseinrichtung einen gemeinsamen Mikroprozessor aufweisen. The locking mechanism according to the invention is particularly compact constructed when the signal detection device and the data acquisition device a common microprocessor exhibit.
Zwischen der Steuerelektronik und einem Aktuator des Sperrriegels ist eine vierte Schaltstufe angeordnet. Die vierte Schaltstufe lässt sich einfach ansteuern, wenn die Datenerfassungseinrichtung die Signale des Transponders ausgewertet hat und den Sperrmechanismus freigibt. Ohne Freigabeberechtigung unterbleibt die Ansteuerung der vierten Schaltstufe, so dass der Sperrriegel stromlos in seiner den Schließzylinder blockierenden Stellung verharrt.Between the control electronics and an actuator of the Locking bar is arranged a fourth switching stage. The fourth switching stage is easy to control when the Data acquisition device, the signals of the transponder has evaluated and releases the locking mechanism. Without Release authorization is omitted under the control of fourth switching stage, so that the locking latch de-energized in his blocking the lock cylinder position remains.
Die Erfindung lässt zahlreiche Ausführungsformen zu. Zur weiteren Verdeutlichung ihres Grundprinzips ist eine davon in der Zeichnung dargestellt und wird nachfolgend beschrieben. Diese zeigt in
- Fig.1
- schematisch eine Schnittdarstellung durch einen Schließzylinder mit einem erfindungsgemäßen Sperrmechanismus,
- Fig.2
- einen Schaltplan einer Steuerelektronik des erfindungsgemäßen Sperrmechanismus.
- Fig.1
- 1 is a schematic sectional view through a lock cylinder with a locking mechanism according to the invention;
- Fig.2
- a circuit diagram of an electronic control system of the locking mechanism according to the invention.
Figur 1 zeigt schematisch eine Schnittdarstellung durch
einen Schließzylinder 1 mit einem in einem Gehäuse 2
drehbaren Kern 3 und einem elektronisch aktivierbaren
Sperrmechanismus 4 zur wahlweisen Blockierung oder Freigabe
der Bewegung des Kerns 3. Der Sperrmechanismus 4 hat
eine mit einem Aktuator 5 verbundene Steuerelektronik 6.
Der Aktuator 5 dient zum Halten oder Freigeben der Bewegung
eines in eine Ausnehmung 7 des Kerns 3 vorgespannten
Sperrriegels 8. Die Steuerelektronik 6 ist mit einer Antenne
9 verbunden und wird von einer Batterie 10 als
Stromquelle mit elektrischem Strom versorgt. Der Kern 3
weist einen Schließkanal 11 zur Aufnahme eines Schaftes
eines Schlüssels 12 auf. Der Schlüssel 12 hat einen mit
einem Transponder 13 verbundenen Datenträger 14. Wird der
Schlüssel 12 in die Nähe der Antenne 9 bewegt, empfängt
diese Signale des Transponders 13. Die Steuerelektronik 6
liest den Datenträger 14 aus und ermittelt aus diesen Daten
eine Schließberechtigung des Schließzylinders 1. Damit
wird in Abhängigkeit von den Daten des Datenträgers
14 der Aktuator 5 wahlweise angesteuert oder die Ansteuerung
unterbleibt.Figure 1 shows schematically a sectional view through
a
Figur 2 zeigt einen Schaltplan des Sperrmechanismus 4 aus
Figur 1 mit dem Datenträger 14 und dem Transponderschwingkreis
13 des Schlüssels. Die Steuerelektronik 6
hat eine Signalerfassungseinrichtung 15 zum Empfang der
Signale der Antenne 9 und eine Datenerfassungseinrichtung
16 zum Auslesen des Datenträgers 14 und zur Ermittlung
der Schließberechtigung. Die Signalerfassungseinrichtung
15 und die Datenerfassungseinrichtung 16 haben einen gemeinsamen
Mikroprozessor 17 und unabhängig voneinander
aktivierbare Baugruppen. Eine Baugruppe der Signalerfassungseinrichtung
15 weist einen Impulsgeber 18 und eine
erste Schaltstufe 19 auf. In Abhängigkeit von den Signalen
des Impulsgebers 18 wird die erste Schaltstufe 19 angesteuert
und die Antenne 9 mit der Batterie 10 verbunden.
Hierdurch wird in der Antenne 9 ein magnetischer Impuls
gebildet. Sofern sich ein Transponder 13 im Empfangsbereich
der Antenne 9 befindet, ergeben sich in der
Antenne 9 Rückwirkungen aufgrund des magnetischen Pulses.
Durch Aktivierung der zweiten Schaltstufe 20 der Signalerfassungseinrichtung
15 wird die Batterie 10 mit dem
Verstärker 21 verbunden. Damit werden die Rückwirkungen
in der Antenne 9 erfasst und dem Mikroprozessor 17 zur
Signalauswertung weitergeleitet. Der Mikroprozessor 17
erkennt den im Empfangsbereich der Antenne 9 vorhandenen
Transponder 13 und aktiviert daraufhin die dritte
Schaltstufe 25 und verbindet so die Datenerfassungseinrichtung
16 mit der Batterie 10. Ein Trägergenerator 28
bestromt die Antenne 9 periodisch. Die Antenne 9 sendet
dadurch ein magnetisches Wechselfeld, das den Transponder
13 in ihrem Empfangsbereich mit Energie versorgt, und der
Transponder 13 sendet daraufhin seine Daten aus. Diese
werden aus dem Signal der Antenne von einem Demodulator
26 und einem Verstärker 27 erfasst und an den Mikroprozessor
17 zur Auswertung weitergeleitet. Der Mikroprozessor
17 ist mit einer vierten Schaltstufe 22 verbunden,
welche den in Figur 1 dargestellten Aktor 5 ansteuert.FIG. 2 shows a circuit diagram of the
Bei Abwesenheit eines Transponders 13 von dem Empfangsbereich
der Antenne 9 erhält in Abhängigkeit von den Signalen
des Impulsgebers 18 die erste Schaltstufe einen periodischen
Anregungsimpuls. Damit wird die Wicklung der Antenne
9 bestromt. Es bildet sich in der Antennennähe ein
magnetisches Feld, welches wegen der Kürze des Impulses
wieder zusammenbricht. Nach dem Impuls entsteht damit in
der Antenne 9 keine periodische Spannungsänderung als
Rückwirkung durch den Impuls, was zur Folge hat, dass die
dritte Schaltstufe 25 nicht angesteuert wird und die Datenerfassung
nicht eingeschaltet wird.In the absence of a
Befindet sich irgendein Transponder 13 mit seinem
Schwingkreis im Empfangsbereich der Antenne 9, wird bei
Aussendung des Impulses des Impulsgebers 18 ein Teil der
vom Transponder 13 empfangenen magnetischen Energie in
elektrische Energie induziert und an einen Resonanzkondensator
23 des Transponders weitergegeben. Durch die
stoßförmige Anregung des Schwingkreises im Transponder 13
stellt sich nach dem Impuls eine abklingende, periodische
Schwingung gemäß der Resonanzcharakteristik des Antennenkreises
ein. Eine Transponderantenne 24 erzeugt im Rhythmus
der Schwingung ein relativ schwaches magnetisches
Feld. Die Antenne 9 empfängt das Feld und gibt es als
Wechselspannungssignal an den Verstärker 21 der Signalerfassungseinrichtung
15 weiter. Der Mikroprozessor 17
steuert nach Auswertung der Impulsfolge die dritte
Schaltstufe 25 für die Datenerfassungseinrichtung 16 an.Is any
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL04104755T PL1531431T3 (en) | 2003-11-15 | 2004-09-29 | Electronically activatable locking mechanism |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10353466A DE10353466A1 (en) | 2003-11-15 | 2003-11-15 | Electronically activated locking mechanism |
DE10353466 | 2003-11-15 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1531431A2 true EP1531431A2 (en) | 2005-05-18 |
EP1531431A3 EP1531431A3 (en) | 2005-10-05 |
EP1531431B1 EP1531431B1 (en) | 2008-03-26 |
Family
ID=34428757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04104755A Not-in-force EP1531431B1 (en) | 2003-11-15 | 2004-09-29 | Electronically activatable locking mechanism |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1531431B1 (en) |
AT (1) | ATE390676T1 (en) |
DE (2) | DE10353466A1 (en) |
ES (1) | ES2301939T3 (en) |
PL (1) | PL1531431T3 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004052907A1 (en) * | 2004-11-02 | 2006-05-11 | Siemens Ag | Electronically controlled vehicle locking unit, comprising system working with reduced capacity until identification is confirmed |
EP2017410A2 (en) | 2007-07-17 | 2009-01-21 | Aug. Winkhaus GmbH & Co. KG | Electronic blocking mechanism |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19519450A1 (en) * | 1995-05-26 | 1996-11-28 | Oliver Simons | Control system |
DE19832203A1 (en) * | 1998-07-17 | 2000-01-20 | Kostal Leopold Gmbh & Co Kg | Activating electrically operated, current-consuming component through code word contained in data message of predetermined format |
DE10007500A1 (en) * | 2000-02-18 | 2001-09-06 | Bosch Gmbh Robert | Motor vehicle door lock system detects approach/contact by detecting transmitted electromagnetic wave reflections, changes in wave field, changes in antenna electrical capacitance |
US6535136B1 (en) * | 1998-02-26 | 2003-03-18 | Best Lock Corporation | Proximity card detection system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5973611A (en) * | 1995-03-27 | 1999-10-26 | Ut Automotive Dearborn, Inc. | Hands-free remote entry system |
ATE184071T1 (en) * | 1996-01-20 | 1999-09-15 | Diehl Ident Gmbh | LOCK WITH ID CARRIER ACTIVATION |
US6100814A (en) * | 1996-05-07 | 2000-08-08 | Lear Automotive Dearborn, Inc. | Remote control wake up detector system |
DE10145026B4 (en) * | 2001-09-13 | 2016-01-14 | Witte-Velbert Gmbh & Co. Kg | Handle, especially outside door handle with antenna |
-
2003
- 2003-11-15 DE DE10353466A patent/DE10353466A1/en not_active Withdrawn
-
2004
- 2004-09-29 ES ES04104755T patent/ES2301939T3/en active Active
- 2004-09-29 PL PL04104755T patent/PL1531431T3/en unknown
- 2004-09-29 DE DE502004006646T patent/DE502004006646D1/en active Active
- 2004-09-29 EP EP04104755A patent/EP1531431B1/en not_active Not-in-force
- 2004-09-29 AT AT04104755T patent/ATE390676T1/en active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19519450A1 (en) * | 1995-05-26 | 1996-11-28 | Oliver Simons | Control system |
US6535136B1 (en) * | 1998-02-26 | 2003-03-18 | Best Lock Corporation | Proximity card detection system |
DE19832203A1 (en) * | 1998-07-17 | 2000-01-20 | Kostal Leopold Gmbh & Co Kg | Activating electrically operated, current-consuming component through code word contained in data message of predetermined format |
DE10007500A1 (en) * | 2000-02-18 | 2001-09-06 | Bosch Gmbh Robert | Motor vehicle door lock system detects approach/contact by detecting transmitted electromagnetic wave reflections, changes in wave field, changes in antenna electrical capacitance |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004052907A1 (en) * | 2004-11-02 | 2006-05-11 | Siemens Ag | Electronically controlled vehicle locking unit, comprising system working with reduced capacity until identification is confirmed |
DE102004052907B4 (en) * | 2004-11-02 | 2009-04-16 | Continental Automotive Gmbh | Method for checking authorization for the access or use of an object, in particular a vehicle |
DE102004052907B8 (en) * | 2004-11-02 | 2009-07-23 | Continental Automotive Gmbh | Method for checking authorization for the access or use of an object, in particular a vehicle |
EP2017410A2 (en) | 2007-07-17 | 2009-01-21 | Aug. Winkhaus GmbH & Co. KG | Electronic blocking mechanism |
DE102007000381A1 (en) | 2007-07-17 | 2009-01-22 | Aug. Winkhaus Gmbh & Co. Kg | Electronic locking mechanism |
Also Published As
Publication number | Publication date |
---|---|
EP1531431A3 (en) | 2005-10-05 |
PL1531431T3 (en) | 2008-09-30 |
DE10353466A1 (en) | 2005-06-23 |
EP1531431B1 (en) | 2008-03-26 |
DE502004006646D1 (en) | 2008-05-08 |
ATE390676T1 (en) | 2008-04-15 |
ES2301939T3 (en) | 2008-07-01 |
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