EP0943764B1 - Türgriff und Transponder-System - Google Patents
Türgriff und Transponder-System Download PDFInfo
- Publication number
- EP0943764B1 EP0943764B1 EP19990105304 EP99105304A EP0943764B1 EP 0943764 B1 EP0943764 B1 EP 0943764B1 EP 19990105304 EP19990105304 EP 19990105304 EP 99105304 A EP99105304 A EP 99105304A EP 0943764 B1 EP0943764 B1 EP 0943764B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- antenna
- door handle
- antennas
- handle according
- core
- 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
Links
Images
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
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
- E05B81/76—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
- E05B81/78—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles as part of a hands-free locking or unlocking operation
-
- 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 describes a door handle of a motor vehicle with the Features of the preamble of claim 1.
- the electronic key which can be a chip card or the like, includes normally a transponder that is within that particular range of the On-board electronics can be excited.
- the on-board electronics include a system Transceiver and transponder, which is designed so that it is a magnetic Field generated, which excites the transponder in the key. The transceiver and the key is then able to exchange security identifiers, which are Can be used to determine whether there is access for the wearer of the key should be allowed.
- the transceivers contain antenna coils, this in particular double antenna coils could be.
- Double antenna coils also as twin loop antennas known, are used to generate a magnetic field that the transponder of the key excited.
- the two coils are arranged and controlled so that they generate an elliptically polarized field, which is a transponder that breaks into different Directions can be kept, can excite.
- the range of the field is usually about a meter.
- the two antennas become common housed in a transceiver housing, which either in one of the Bumper of the vehicle or is housed in an exterior mirror. For vehicle manufacturers however, these two locations have proven to be inconvenient. Bumpers and wing mirrors are more likely to be damaged than any other parts.
- the Loop antenna consist of an antenna arrangement with two antennas.
- the loop antenna is on one of the windows of the vehicle or on an exterior mirror intended.
- JP-A-09 189 156 which forms the starting point of the present invention, describes a transponder system that is integrated in the door handle of a motor vehicle.
- the transponder system has a single antenna for one carried on the person side Transmitter on. The advantages of a double antenna system will not resorted.
- the present invention is based on the problem of optimizing the door handle with regard to the integration of a double antenna system.
- a door handle 2 as shown in Figures 1 to 3, has a first end 4 with a Bearing 6, around which the handle 2 can pivot when it is on the motor vehicle is appropriate.
- a second end 8 of the handle 2 contains a stop 10 which normally abuts the vehicle door when the handle 2 is not pivoted.
- the gripping profile section 12 is hollowed out or recessed, so that a cavity 14 is formed along the length of the gripping profile 12.
- the cavity 14 is used to hold parts of a transponder system transceiver to accommodate the vehicle.
- the transponder system is part of one passive vehicle access system of the vehicle.
- the components are in the Cavity 14 sealed sealed, a cap for the section of the Gripping profile 12 is not shown in the figures.
- the components that are accommodated in the grip profile section 12 include, among others two antennas 20, 22 for the transceiver.
- the first antenna 20 is one Air coil with a flat multiple turn (coil 24) in the cavity 14 on the Bottom surface 26 is attached or printed.
- the coil 24 can, for example, on a film or printed on a circuit board.
- With the coil 24 is a capacitor 28 connected to the antenna 20, the capacitor 28 resonating with the inductor and the resistance of the coil 24 is matched.
- the second antenna 22 exists from a multiple winding (wire coil 30), which over two ferrite rods 32, as in Figure 9 shown are wound.
- the wire coil 30 is at the output of the amplifier stage 33 of the transceiver 34, as shown in Figure 4, connected.
- the second antenna 22 is therefore used to to excite the first antenna 20, which resonates with the aid of the capacitor 28 is adjusted, so that the magnetic coupling or inductance is thereby also achieved between the two antennas 20 and 22 is amplified.
- the magnetic fields generated by the two Antennas 20, 22 are generated, are substantially perpendicular to one another, with a 90 ° phase shift between the currents through the antenna coils 24, 30 must exist.
- the physical relationship between the two coils 24, 30 ensures that their magnetic fields are substantially perpendicular to each other are and the phase shift of 90 ° by the magnetic coupling or the inductance of the two antennas 20, 22 and the resonance circuit of the first antenna 20 is generated.
- the range of the magnetic field that the two antennas 20, 22 generate is between one and two meters.
- the magnetic The field rotates synchronously with the period of the antenna currents.
- the second antenna 22 can be significantly smaller, without the generated magnetic flux density being lower, which makes the right angle interrelated magnetic fields within the limited space in the Gripping profile section 12 of the door handle 2 can be generated.
- the door handle 2 has the same gripping profile 12 with the exception that the second Antenna 22 is arranged directly in the center of the first antenna 20, to ensure that there is minimal coupling between the magnetic fields of the two antennas 20, 22.
- the first antenna 20 has no capacitor here 28. It is a second output stage of a double antenna circuit 33 of the transceiver 38 is controlled, as shown in Figure 8.
- the arrangement of the antennas 20, 22 is still such that the fields generated by the antennas 20, 22 are essentially perpendicular to each other.
- Around the 90 ° phase shift To get between the coil currents of the coils 24 and 30 generate the two Output stages of the double antenna circuit 33 currents that are shifted by 90 ° in phase are.
- By arranging the second antenna 22 directly above the first Antenna 20 it is possible to reduce the cavity 14 in the gripping profile section 12.
- the door handle 2 contains only the two antennas 20, 22 of the transceiver 34, but the handle 2 can also be constructed in this way be that he also electronic components of the transceiver 34 or even all Components of the transceiver 34 may include the remaining components compared to antennas 20, 22 only take up a very small space to take.
- a person who tries to get into a vehicle usually approaches one Door handle 2, especially the handle of the driver's door. For this reason, is suitable a door handle 2 especially for housing the coils 24, 30.
- the door handle 2 is also a much more robust component than an outside mirror or the bumper.
- the door handle 2 provides little space for accommodating the double antenna unit to disposal; the construction of the door handles 2 described above however this problem.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lock And Its Accessories (AREA)
Description
- Fig. 1
- eine Draufsicht eines Türgriffteils in einer ersten bevorzugten Realisierung,
- Fig. 2
- einen Schnitt A-A aus Fig. 1,
- Fig. 3
- einen Schnitt B-B aus Fig. 2,
- Fig. 4
- einen Schaltplan eines Sendeempfängers einer ersten bevorzugten Realisierung,
- Fig. 5
- eine Draufsicht eines Türgriffteils einer zweiten bevorzugten Realisierung,
- Fig. 6
- einen Schnitt A-A aus Fig. 5,
- Fig. 7
- einen Schnitt B-B aus Fig. 5,
- Fig. 8
- einen Schaltplan eines Sendeempfängers eines zweiten bevorzugten Realisierung und
- Fig. 9
- eine schematische perspektivische Teilansicht eines Türgriffs.
Claims (9)
- Türgriff (2) eines Kraftfahrzeugs mit zwei Enden (4, 8) und einem zentralen Griffprofilabschnitt (12) zwischen den beiden Enden (4, 8),
wobei das Kraftfahrzeug ein Transpondersystem mit fahrzeugseitiger Antennenanordnung (20, 22) und personenseitigem Transponder (34), vorzugsweise in einem passiven Fahrzeugzugangssystem, aufweist,
dadurch gekennzeichnet, daß die Antennenanordnung (20, 22) zwei voneinander getrennte Antennen (20, 22) aufweist und beide Antennen (20, 22) im Türgriff (2) integriert sind,
daß die Antennen (20, 22) im zentralen Griffprofilabschnitt (12) des Türgriffes (2) untergebracht sind und
daß die Antennen (20, 22) relativ zueinander so angeordnet sind, daß sie ein elliptisch polarisiertes magnetisches Feld zur Erregung des personenseitigen Transponders (34) erzeugen. - Türgriff nach Anspruch 1, dadurch gekennzeichnet, daß die erste Antenne (20) eine Luftspule mit einer flachen Mehrfachwicklung (24) aufweist, die im zentralen Griffprofilabschnitt (12) an einer Bodenfläche (26) eines Hohlraums (14) angeordnet ist, und
daß die zweite Antenne (22) einen Kern (32) aus magnetisch leitendem Material und eine darauf gewickelte Mehrfachwicklung (30) aufweist, die ebenfalls im Hohlraum (14) des Griffprofilabschnitts (12) angeordnet sind, und
daß die Ebene der Mehrfachwicklung (30) der zweiten Antenne (22) etwa rechtwinklig zur Ebene der Mehrfachwicklung (24) der ersten Antenne (20) liegt. - Türgriff nach Anspruch 2, dadurch gekennzeichnet, daß der Kern (32) der zweiten Antenne (22) ein Ferritkern ist.
- Türgriff nach Anspruch 3, dadurch gekennzeichnet, daß der den Kern (32) bildende Ferritkern aus zwei Ferritstäben (32a, 32b) besteht.
- Türgriff nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die zweite Antenne (22) die erste Antenne (20) derart überlagernd angeordnet ist, daß eine maximale magnetische Kopplung zwischen den beiden Antennen (20, 22) erzielt wird.
- Türgriff nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die zweite Antenne (22) direkt im Zentrum der ersten Antenne (20) über der ersten Antenne (20) angeordnet ist, so daß gewährleistet ist, daß nur eine minimale Kopplung zwischen den Magnetfeldern der beiden Antennen (20, 22) besteht.
- Türgriff nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Spulen (24; 30) der beiden Antennen (20; 22) mit Strömen angesteuert werden, die um 90° phasenverschoben sind.
- Türgriff nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß auch eine Verstärkerstufe (33) zur Ansteuerung der beiden Antennen (20, 22) im Türgriff (2) angeordnet ist.
- Türgriff nach Anspruch 8, dadurch gekennzeichnet, daß die Verstärkerstufe (33) Teil eines Sendeempfängers (34) des Transpondersystems ist und der Sendeempfänger (34) im Türgriff angeordnet ist.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPP234898 | 1998-03-16 | ||
AUPP2348A AUPP234898A0 (en) | 1998-03-16 | 1998-03-16 | A door handle and a transponder system |
AU98211/98A AU742683B2 (en) | 1998-03-16 | 1998-12-24 | A door handle and a transponder system |
AU9821198 | 1998-12-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0943764A1 EP0943764A1 (de) | 1999-09-22 |
EP0943764B1 true EP0943764B1 (de) | 2004-07-14 |
Family
ID=25641922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19990105304 Expired - Lifetime EP0943764B1 (de) | 1998-03-16 | 1999-03-15 | Türgriff und Transponder-System |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0943764B1 (de) |
AU (1) | AU742683B2 (de) |
DE (1) | DE59909928D1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2807090B1 (fr) * | 2000-03-29 | 2003-04-25 | Valeo Electronique | Systeme pour la commande "mains libres" d'un ouvrant de vehicule automobile |
DE10105191B4 (de) * | 2001-02-06 | 2005-05-19 | Robert Bosch Gmbh | Antennenanordnung für ein Kraftfahrzeug zur Berechtigungsermittlung eines tragbaren Transponders |
FR2820448A1 (fr) * | 2001-02-08 | 2002-08-09 | Coutier Moulage Gen Ind | Poignee d'un ouvrant de vehicule automobile comportant des moyens de detection d'ouverture |
DE10139886B4 (de) | 2001-08-20 | 2020-07-23 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Türgriffanordnung für eine Kraftfahrzeugtür |
JP3882595B2 (ja) * | 2001-11-28 | 2007-02-21 | アイシン精機株式会社 | アンテナ装置 |
JP4003453B2 (ja) | 2001-12-26 | 2007-11-07 | アイシン精機株式会社 | 人体検出装置 |
WO2003071069A1 (de) * | 2002-02-22 | 2003-08-28 | Schaffner Emv Ag | Elektronische steuerschaltung mit einem berührungssensor für ein fahrzeugtür-schliesssystem |
WO2003071067A1 (de) * | 2002-02-22 | 2003-08-28 | Schaffner Emv Ag | Elektronische steuerschaltung mit einem annäherungssensor und einem sender-empfänger für ein fahrzeugtür-schliesssystem |
WO2003071068A1 (de) * | 2002-02-22 | 2003-08-28 | Schaffner Emv Ag | Induktionsspule, insbesondere für ein fahrzeugtür-schliesssystem |
DE10306361B4 (de) * | 2003-02-15 | 2012-03-22 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Türgriffanordnung für eine Kraftfahrzeugtür |
JP4348993B2 (ja) * | 2003-04-24 | 2009-10-21 | アイシン精機株式会社 | 電気部品及びその製造方法 |
DE102004054985A1 (de) * | 2004-11-13 | 2006-06-01 | Hella Kgaa Hueck & Co. | Anordnung aus einem elektronischen Bauelement und einem flexiblen Schaltungsträger |
DE102005055090A1 (de) * | 2005-11-18 | 2007-05-24 | GM Global Technology Operations, Inc., Detroit | Griffmodul |
DE102008037376A1 (de) * | 2008-09-22 | 2010-03-25 | Cestronics Gmbh | Schloss, insbesondere Schließzylinder mit einer Einrichtung zur Kommunikation mit einem Transponder und Kommunikationseinrichtung |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2546842B2 (ja) * | 1987-06-16 | 1996-10-23 | 日産自動車株式会社 | 車両用施解錠制御装置 |
JP3579107B2 (ja) * | 1995-03-20 | 2004-10-20 | 日本アビオニクス株式会社 | 扉用キー装置 |
US5793881A (en) * | 1995-08-31 | 1998-08-11 | Stiver; John A. | Identification system |
JP3667850B2 (ja) * | 1996-01-11 | 2005-07-06 | 株式会社東海理化電機製作所 | ワイヤレスドアロック装置 |
DE19617038C2 (de) * | 1996-04-27 | 2000-11-30 | Huf Huelsbeck & Fuerst Gmbh | Schließsystem, insbesondere für Kraftfahrzeuge |
-
1998
- 1998-12-24 AU AU98211/98A patent/AU742683B2/en not_active Ceased
-
1999
- 1999-03-15 DE DE59909928T patent/DE59909928D1/de not_active Expired - Fee Related
- 1999-03-15 EP EP19990105304 patent/EP0943764B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU9821198A (en) | 1999-09-30 |
DE59909928D1 (de) | 2004-08-19 |
AU742683B2 (en) | 2002-01-10 |
EP0943764A1 (de) | 1999-09-22 |
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