EP1416444A2 - Vermeidung von Kollisionen bei der Anmeldung zumindest einer ersten Vorrichtung an einer zweiten Vorrichtung - Google Patents
Vermeidung von Kollisionen bei der Anmeldung zumindest einer ersten Vorrichtung an einer zweiten Vorrichtung Download PDFInfo
- Publication number
- EP1416444A2 EP1416444A2 EP03103783A EP03103783A EP1416444A2 EP 1416444 A2 EP1416444 A2 EP 1416444A2 EP 03103783 A EP03103783 A EP 03103783A EP 03103783 A EP03103783 A EP 03103783A EP 1416444 A2 EP1416444 A2 EP 1416444A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- signal
- response
- devices
- receiving
- count signal
- 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.)
- Ceased
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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
- G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
- G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
- G07C2009/00793—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by Hertzian waves
Definitions
- the present invention relates to a method for avoiding Collisions when registering at least one first device a second device, an arrangement of at least a first Device and a second device and a first Contraption.
- Such a first device has means for receiving a Request signal, means for sending a response signal and Means for generating the response signal.
- the device has means for generating the Request signal, means for sending the request signal and means for receiving the prompt signal.
- the first devices receive the request with a delay specific to each first device Response sent to the second device, whereupon the second Device with the first device, which is the first to provide an answer has sent the registration process.
- Such a method, such an arrangement and such first device is from the published patent application DE 197 43 101 A1 known.
- This procedure is intended to prevent the Carrying out the registration procedure for collisions between various first devices comes. It is therefore only with the first device performed a registration process, which as first sends the requested response. Sending the answer is thereby a characteristic for each first device Time period (specific delay) sent out.
- a technical Realization for this characteristic period of time is from the However, the publication is not known.
- the invention was therefore based on the object of a method, a Arrangement and to propose a first device in which or in which a realization of the characteristic period of time is solved by technical means.
- first device according to claim 1
- second device solved a method according to claim 8.
- Other features for first devices, arrangements and methods according to the invention result from the subclaims.
- the technical implementation the characteristic time span (specific delay) guaranteed by a counter whose actual counter reading is changeable due to a count signal. According to the Invention generates the count signal either in the first device be or in the second device.
- points the first device comprises means for receiving the count signal.
- the Means for receiving the count signal can in particular in in this case by means of receiving the Request signal are formed.
- the second device can according to the invention have means for transmitting the count signal.
- the means for sending the count signal can be used with the means for Send the request signal coincide.
- the first devices can also be used for storing have a target counter reading.
- the actual meter reading changed. As soon as a first Device has reached a specific target counter reading is from this first device via the response signal the response to the second device sent.
- the change in the actual meter reading is preferably carried out by a count signal, which is preferably generated in the second device.
- the registration process can be carried out by the Exchange of signals in the UHF frequency range carried out become.
- the signals which are used in the process for avoiding Collisions can be exchanged in the UHF frequency range and / or are transmitted and received in the LF frequency range.
- the prompt signals, which from the second device are transmitted in the LF frequency range be sent.
- the answers of the first devices can then be broadcast in the UHF frequency range.
- the signals or those about the signals (Prompt signal, response signal, count signal) included Information (request, response, count) can be in digital Form are sent.
- the individual information can be in Packages are available. For example, a request signal a bit sequence (packet) with a preamble, a so-called "code violation" packet and a start bit packet.
- the counts of the count signal can consist of a regular bit sequence.
- the answers of the first devices can be a preamble and include a start bit packet.
- the response a period of time which is shorter than the period of time with starts at the beginning of the counting pulse for reaching the target counter reading is responsible, and with the beginning of the subsequent counting pulse ends. So the time span for that Transmission of a counting pulse, for example, one millisecond while the time to send a response is 0.8 Is milliseconds.
- the answer is within one Time period sent, which starts with the end of the counting pulse is responsible for reaching the target meter reading, and with the beginning of the subsequent counting pulse ends.
- Both in the first method according to the invention and in The second method according to the invention is used for the implementation the method an arrangement of at least a first device and a second device is required.
- the following described method according to the invention assumed that the first devices are used.
- at These first devices can be, for example a radio key, also known as an ID transmitter, for a act so-called "passive entry" authentication.
- the second The device can be part of a motor vehicle, the Doors, immobilizers or the like with the help of the radio key, d. H. the first devices can be opened or locked.
- the method according to the invention has in common that of second device via a request signal Request is sent with which the in the radio area of the prompted second devices located first devices become a response to the second device via a response signal to send.
- the first device which is the first to Response signal sends a response to the second device is in the
- a registration process between perform this first device and the second device which is used to open or lock the doors of the motor vehicle necessary is.
- Decisive for which first device the registration process between a first device and the second device is performed so is the order of Incoming responses from the first devices to the second Contraption. Only with the first device, the first of which If a response arrives at the second device, it will Registration process (the "Passive Entry” authentication) performed.
- the method according to the invention must ensure that different first devices do not answer at the same time can send the second device. This will be done in the first Devices the actual counter reading of a counter changed. The actual counter reading is preferably incremented. But it is it is also possible to count down the actual meter reading. As soon as the actual meter reading a target counter reading specific to each first device has reached, the first device sends one the specific target counter reading is reached first, an answer out. This response is received by the second device which then causes the second device to do so Registration procedure with this first sending the first answer Perform device.
- the two methods according to the invention according to FIG. 1 or according to FIG. 2 and FIG. 3 only differ by the location at which the change in the actual counter reading of the counter effecting count signal 3 is generated.
- This Count signal 3 which counts at regular intervals from the second device to all the first Devices in the reception area of the second device wireless transfer.
- the second devices record the count signal 3 and change the actual counter reading according to the number of pulses of the counter.
- the actual counter reading in each first device constantly with that for this first device specific target counter reading compared.
- the first device which is the first to generate an answer and about that Response signal 2k sent to the second device.
- the count signal is generated within each first device.
- the generation of the count signal is started after receipt of the request signal 1 with the request for a response from the first devices.
- the actual counter reading IZS of the counter of the first devices is changed on the basis of the counting pulses of the counting signal (FIG. 3).
- the first device in which the target counter reading SZS k is reached first, sends a first response 2k to the second device via a response signal , which then carries out the registration process with this first device.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Small-Scale Networks (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
- Fig. 1
- Signalverläufe eines Zählsignals und von Antwortsignalen bei einem ersten erfindungsgemäßen Verfahren,
- Fig. 2
- Signalverläufe eines Aufforderungssignals und von Antwortsignalen bei einem zweiten erfindungsgemäßen Verfahren und
- Fig. 3
- den Ist-Zählerstand eines Zählers beim zweiten erfindungsgemäßen Verfahren.
Claims (10)
- Erste Vorrichtung mit Mitteln zum Empfangen eines Aufforderungssignals (1), mit Mitteln zum Senden eines Antwortsignals (21, 22, ..., 2k) und mit Mitteln zum Erzeugen des Antwortsignals (21, 22, ..., 2k),
dadurch gekennzeichnet, dass die erste Vorrichtung einen Zähler aufweist, dessen Ist-Zählerstand (IZS) aufgrund eines Zählsignals (3) veränderbar ist. - Erste Vorrichtung nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die erste Vorrichtung Mittel zum Erzeugen des Zählsignals (3) aufweist.
- Erste Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die erste Vorrichtung Mittel zum Empfangen des Zählsignals (3) aufweist.
- Erste Vorrichtung nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Mittel zum Empfangen des Aufforderungssignals (1) die Mittel zum Empfangen des Zählsignals (3) bilden.
- Anordnung aus zumindest einer ersten Vorrichtung nach einem der vorhergehenden Ansprüche und einer zweiten Vorrichtung, dadurch gekennzeichnet, dass die zweite Vorrichtung Mittel zum Erzeugen des Aufforderungssignals (1), Mittel zum Senden des Aufforderungssignals (1) und Mittel zum Empfangen des Antwortsignals (21, 22, ..., 2k) aufweist.
- Anordnung nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die zweite Vorrichtung Mittel zum Erzeugen des Zählsignals (3) und Mittel zum Senden des Zählsignals (3) aufweist.
- Anordnung nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Mittel zum Senden des Aufforderungssignals (1) die Mittel zum Senden des Zählsignals (3) bilden.
- Verfahren zur Vermeidung von Kollisionen bei der Anmeldung einer oder mehrerer erster Vorrichtungen bei einer zweiten Vorrichtung umfassend folgende Schritte:die zweite Vorrichtung fordert über ein Signal zur Aufforderung (Aufforderungssignal 1) die ersten Vorrichtungen auf, über ein Antwortsignal (21, 22, ..., 2k) eine Antwort zu senden;nach Empfang der Aufforderung durch die ersten Vorrichtungen wird in den ersten Vorrichtungen ein Ist-Zählerstand (IZS) eines Zählers verändert;nach Erreichen eines für jede erste Vorrichtung spezifischen Soll-Zählerstand (SZS1, SZS2, ..., SZSk)wird von der ersten Vorrichtung die Antwort gesendet;nach dem Empfang einer ersten Antwort durch die zweite Vorrichtung wird zwischen der ersten Vorrichtung, welche diese erste Antwort gesendet hat, und der zweiten Vorrichtung das Anmeldeverfahren durchgeführt.
- Verfahren nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass zur Veränderung des Ist-Zählerstandes (IZS) ein Zählsignal (3) erzeugt wird.
- Verfahren nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass das Zählsignal (3) in der zweiten Vorrichtung erzeugt wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002150676 DE10250676A1 (de) | 2002-10-31 | 2002-10-31 | Verfahren zur Vermeidung von Kollisionen bei der Anmeldung zumindest einer ersten Vorrichtung an einer zweiten Vorrichtung, Anordnung aus zumindest einer ersten Vorrichtung und einer zweiten Vorrichtung und eine erste Vorrichtung |
DE10250676 | 2002-10-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1416444A2 true EP1416444A2 (de) | 2004-05-06 |
EP1416444A3 EP1416444A3 (de) | 2006-02-22 |
Family
ID=32087298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03103783A Ceased EP1416444A3 (de) | 2002-10-31 | 2003-10-14 | Vermeidung von Kollisionen bei der Anmeldung zumindest einer ersten Vorrichtung an einer zweiten Vorrichtung |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1416444A3 (de) |
DE (1) | DE10250676A1 (de) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2307514A (en) * | 1995-11-25 | 1997-05-28 | Rover Group | Vehicle security system with portable transmitters |
EP0787875A2 (de) * | 1996-02-02 | 1997-08-06 | Trw Inc. | Tragbares Sende-/Empfangsgerät mit Phasenverzögerung für ein schlüsselloses Fahrzeugzugangssystem |
DE19743101A1 (de) * | 1996-11-07 | 1998-05-14 | Bosch Gmbh Robert | Vorrichtung zum Zuordnen eines Betätigungselementes zu einem Gerät |
WO1999008471A2 (de) * | 1997-08-08 | 1999-02-18 | Robert Bosch Gmbh | Verfahren zum betrieb einer fernbedienung und fernbedienung |
DE19941350A1 (de) * | 1999-03-29 | 2000-10-05 | Mannesmann Vdo Ag | Vorrichtung und Verfahren zur Freigabe einer Sicherheitseinrichtung, insbesondere einer Zuganseinrichtung für ein Kraftfahrzeug |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19939535C2 (de) * | 1999-08-20 | 2003-10-09 | Wiesemann & Theis Gmbh | Verfahren zur Funkübertragung eines Statussignals eines Sensors |
-
2002
- 2002-10-31 DE DE2002150676 patent/DE10250676A1/de not_active Withdrawn
-
2003
- 2003-10-14 EP EP03103783A patent/EP1416444A3/de not_active Ceased
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2307514A (en) * | 1995-11-25 | 1997-05-28 | Rover Group | Vehicle security system with portable transmitters |
EP0787875A2 (de) * | 1996-02-02 | 1997-08-06 | Trw Inc. | Tragbares Sende-/Empfangsgerät mit Phasenverzögerung für ein schlüsselloses Fahrzeugzugangssystem |
DE19743101A1 (de) * | 1996-11-07 | 1998-05-14 | Bosch Gmbh Robert | Vorrichtung zum Zuordnen eines Betätigungselementes zu einem Gerät |
WO1999008471A2 (de) * | 1997-08-08 | 1999-02-18 | Robert Bosch Gmbh | Verfahren zum betrieb einer fernbedienung und fernbedienung |
DE19941350A1 (de) * | 1999-03-29 | 2000-10-05 | Mannesmann Vdo Ag | Vorrichtung und Verfahren zur Freigabe einer Sicherheitseinrichtung, insbesondere einer Zuganseinrichtung für ein Kraftfahrzeug |
Also Published As
Publication number | Publication date |
---|---|
DE10250676A1 (de) | 2004-05-13 |
EP1416444A3 (de) | 2006-02-22 |
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