JP5222285B2 - Vehicle with passive key fob with presence detection device by key fob reader - Google Patents

Vehicle with passive key fob with presence detection device by key fob reader Download PDF

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Publication number
JP5222285B2
JP5222285B2 JP2009510936A JP2009510936A JP5222285B2 JP 5222285 B2 JP5222285 B2 JP 5222285B2 JP 2009510936 A JP2009510936 A JP 2009510936A JP 2009510936 A JP2009510936 A JP 2009510936A JP 5222285 B2 JP5222285 B2 JP 5222285B2
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Prior art keywords
key fob
reader
sensor
security system
vehicle
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JP2009536900A (en
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アール ナラヤナスワミ カルシケヤン
アール コステロ ジョン
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Continental Automotive Systems Inc
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Continental Automotive Systems US Inc
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Priority claimed from US11/433,004 external-priority patent/US20070120642A1/en
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    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME 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
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00944Details of construction or manufacture
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME 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
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309Electronically 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
    • G07C2009/00365Electronically 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
    • G07C2009/00373Electronically 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 whereby the wake-up circuit is situated in the lock

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)

Description

発明の背景
近年の車両にはキー・フォブが設けられており、このキー・フォブによって車両に電子的にアクセスすることができる。キー・フォブの1つの種類はいわゆる受動的なキー・フォブであり、この場合にはキー・フォブは単なる電子アイテムである。キー・フォブは読取り器内に挿入される。読取り器はキー・フォブ上の識別コードを探し、適切なコードが見つかると、例えばイグニッションスイッチによる車両の作動を許可する。
BACKGROUND OF THE INVENTION Recent vehicles are provided with a key fob that allows electronic access to the vehicle. One type of key fob is a so-called passive key fob, in which case the key fob is simply an electronic item. The key fob is inserted into the reader. The reader looks for an identification code on the key fob and, if a suitable code is found, allows the vehicle to be operated, for example by an ignition switch.

従来技術では、キー・フォブとは異なるデバイスがキー・フォブ読取り器内に挿入され、これによって回路が起動され、回路は読取り器内のデバイスに問い合わせをする。機械的なスイッチおよび接触機構が使用されてきた。このような機械的なスイッチおよび接触機構は、摩耗が繰り返されると故障する。さらに、全ての種々の機械的コンポーネントの許容誤差の積み重りが考慮されなければならず、キー・フォブが読取り器内に挿入されるので、スイッチが確実に接触するように厳密にコントロールされなければならない。   In the prior art, a device different from the key fob is inserted into the key fob reader, which activates the circuit and the circuit interrogates the device in the reader. Mechanical switches and contact mechanisms have been used. Such mechanical switches and contact mechanisms fail with repeated wear. In addition, the tolerance stack of all the various mechanical components must be taken into account and the key fob is inserted into the reader, so the switch must be tightly controlled to ensure contact. Don't be.

必要とされる機械的スイッチは、各システムに合わせて注文製造される。これは不所望に高い。さらに、必要とされる機械的スイッチのサイズは比較的大きく、読取り器の位置に制約を課す。   The required mechanical switches are custom manufactured for each system. This is undesirably high. Furthermore, the size of the mechanical switch required is relatively large and places constraints on the reader position.

本発明の概要
本発明の開示された実施形態では、キー・フォブ読取り器内にキー・フォブが存在するか否かは電子的に決定される。従って、従来技術で必要とされる機械的スイッチは省かれる。さらに、キーホルダと異なるアイテムが挿入されている場合の誤った読取りもなくなる。本発明の開示された実施形態では、キー・フォブに磁気的な部材が設けられている。この磁気的な部材は、キー・フォブ読取り器内のリードまたはホール効果センサ等のセンサによってセンシングされる。このセンサは比較的小さく、機械的コンタクトを除去することによって、従来のものと比べて比較的長い寿命を有するセンサになる。さらに、センサの損傷は小さい、またはセンサは損傷しない。また製品の寿命にわたった検出および精度が得られる。
SUMMARY OF THE INVENTION In the disclosed embodiment of the present invention, it is electronically determined whether a key fob is present in a key fob reader. Thus, the mechanical switch required in the prior art is omitted. Further, erroneous reading when an item different from the key holder is inserted is also eliminated. In the disclosed embodiment of the present invention, the key fob is provided with a magnetic member. This magnetic member is sensed by a sensor such as a lead or Hall effect sensor in the key fob reader. This sensor is relatively small, and removing the mechanical contact results in a sensor having a relatively long life compared to the prior art. Further, the sensor damage is small or the sensor is not damaged. It also provides detection and accuracy over the life of the product.

本発明のこれらの特徴及びその他の特徴は以下の詳細な説明と図面からさらに明らかにされる。   These and other features of the present invention will become more apparent from the following detailed description and drawings.

発明の詳細な説明
図1は、第1の実施形態の概略図である。図2は、第2の実施形態の概略図である。
DETAILED DESCRIPTION OF THE INVENTION FIG. 1 is a schematic diagram of a first embodiment. FIG. 2 is a schematic diagram of the second embodiment.

有利な実施形態の詳細な説明
第1の実施形態20が図1に示されており、これはキー・フォブ読取り器22を有している。このキー・フォブ読取り器はキー・フォブ24を受容する。既知であるように、プリント回路基板26は、キー・フォブ24に問い合わせをする電子回路を含み、送信機27を作動させる。ここでこの送信機はプリント回路基板26によって読み取られるコードを送る。このコードがプリント回路基板26および関連する制御部によって予期されたものであった場合には、キー・フォブが許可される。この時点で、イグニッションスイッチ32が起動され、車両内燃機関の点火が始まる。
Detailed Description of the Preferred Embodiment A first embodiment 20 is shown in FIG. The key fob reader receives a key fob 24. As is known, the printed circuit board 26 includes electronic circuitry that interrogates the key fob 24 and activates the transmitter 27. The transmitter now sends a code that is read by the printed circuit board 26. If this code is expected by the printed circuit board 26 and associated control, key fob is allowed. At this point, the ignition switch 32 is activated and ignition of the vehicle internal combustion engine begins.

本発明はキー・フォブ24上の磁石30によって従来技術を改良している。磁石30の存在はセンサ28によってセンシングされる。センサ28はリードスイッチまたはホール効果スイッチであり、これは磁石30の存在をセンシングする。従来技術では、キー・フォブ24が挿入されると磁気的接触が形成される。本発明は、図1に点線で示されたセンシング領域を可能にする。これはキー・フォブ読取り器22に対する必要なスペースを低減させる。さらに、機械的なスイッチが除去されることで上述したような利点が得られる。   The present invention improves upon the prior art with a magnet 30 on the key fob 24. The presence of the magnet 30 is sensed by the sensor 28. The sensor 28 is a reed switch or a Hall effect switch that senses the presence of the magnet 30. In the prior art, magnetic contact is made when the key fob 24 is inserted. The present invention enables the sensing area shown in dotted lines in FIG. This reduces the required space for the key fob reader 22. Further, the advantages as described above can be obtained by removing the mechanical switch.

キー・フォブ読取り器22およびキー・フォブ24の大きさは、車両の大きさに比べて誇張して示されている。しかし、これは図を容易に理解するために行われたものである。   The size of the key fob reader 22 and the key fob 24 is shown exaggerated compared to the size of the vehicle. However, this was done to make the figure easier to understand.

図2は第2の実施形態120を示している。第2の実施形態120では、キー・フォブ124が読取り器122内に受容されている。ここでこの読取り器は第1の実施形態のようにプリント回路基板126を有している。しかし、センサ128は離れて配置されており、キー・フォブが車内に入ると適切なキー・フォブ124の存在をセンシングする。   FIG. 2 shows a second embodiment 120. In the second embodiment 120, a key fob 124 is received in the reader 122. Here, the reader has a printed circuit board 126 as in the first embodiment. However, the sensor 128 is remotely located and senses the presence of the appropriate key fob 124 when the key fob enters the vehicle.

本発明の有利な実施形態が開示されているが、当業者は、ある程度の修正が本発明の枠内で行われることを理解するだろう。それ故本発明の真の範囲と内容を特定するためには以下の請求の範囲が検討されるべきである。   While advantageous embodiments of the invention have been disclosed, those skilled in the art will appreciate that some modifications are made within the scope of the invention. Therefore, the following claims should be studied to determine the true scope and content of this invention.

第1の実施形態の概略図Schematic diagram of the first embodiment 第2の実施形態の概略図Schematic diagram of the second embodiment

Claims (12)

車両のためのセキュリティシステムであって、
キー・フォブを受容するキー・フォブ読取り器を含んでおり、当該キー・フォブ読取り器はキー・フォブに問い合わせ、キー・フォブからのコードを示す信号を受信し、当該受信したコードを予期されているコードと比較し、キー・フォブがキー・フォブ読取り器内に挿入されている場合に車両の作動を許可する制御部を含んでおり;
キー・フォブを含んでおり、当該キー・フォブは磁気部材を受容しており、識別コードと送信機を有しており;
センサを含んでおり、当該センサはキー・フォブ上の磁気部材の存在をセンシングし、当該センサは磁気部材がセンシングされると、キー・フォブ読取り器を起動させて、キー・フォブに問い合わせをさせ
前記センサは前記キー・フォブ読取り器から離れて配置されている、
ことを特徴とする、車両のためのセキュリティシステム。
A security system for a vehicle,
A key fob reader that receives the key fob, the key fob reader interrogates the key fob, receives a signal indicating the code from the key fob, and expects the received code Including a controller that allows the vehicle to operate when the key fob is inserted into the key fob reader as compared to the existing code;
Including a key fob, the key fob receiving a magnetic member, having an identification code and a transmitter;
Includes a sensor that senses the presence of a magnetic member on the key fob, and when the sensor senses the magnetic member, it activates the key fob reader to query the key fob. ;
The sensor is located remotely from the key fob reader;
A security system for a vehicle characterized by that.
プリント回路基板が前記キー・フォブ読取り器内に受容されており、前記制御部を含んでいる、請求項1記載のセキュリティシステム。   The security system of claim 1, wherein a printed circuit board is received in the key fob reader and includes the controller. 前記センサは、前記キー・フォブ読取り器内の前記プリント回路基板と関連付けされている、請求項2記載のセキュリティシステム。   The security system of claim 2, wherein the sensor is associated with the printed circuit board in the key fob reader. 前記センサは前記キー・フォブ読取り器と関連付けされている、請求項2記載のセキュリティシステム。   The security system of claim 2, wherein the sensor is associated with the key fob reader. 前記センサはリードスイッチである、請求項1記載のセキュリティシステム。   The security system according to claim 1, wherein the sensor is a reed switch. 前記センサはホール効果センサである、請求項1記載のセキュリティシステム。   The security system of claim 1, wherein the sensor is a Hall effect sensor. 車両のためのセキュリティシステムの作動方法であって、
キー・フォブを受容するキー・フォブ読取り器を設け、当該キー・フォブ読取り器はキー・フォブに問い合わせ、キー・フォブからのコードを示す信号を受信し、当該受信したコードを予期されているコードと比較し、キー・フォブがキー・フォブ読取り器内に挿入されている場合に車両の作動を許可する制御部を含んでおり;
磁気部材を有し、識別コードを有しているキー・フォブを設け;
キー・フォブ上の磁気部材の存在をセンシングし、磁気センサがセンシングされると、キー・フォブ読取り器を起動させて、キー・フォブに問い合わせをさせ
前記センサを前記キー・フォブ読取り器から離れて配置する、
ことを特徴とする、車両のためのセキュリティシステムの作動方法。
A method for operating a security system for a vehicle, comprising:
A key fob reader is provided for receiving the key fob, the key fob reader interrogates the key fob, receives a signal indicating the code from the key fob, and the received code is an expected code. And includes a controller that allows operation of the vehicle when the key fob is inserted into the key fob reader;
A key fob having a magnetic member and having an identification code;
Sensing the presence of a magnetic member on the key fob, and when the magnetic sensor is sensed, activates the key fob reader to query the key fob ;
Placing the sensor away from the key fob reader;
A method of operating a security system for a vehicle.
前記プリント回路基板は前記キー・フォブ読取り器内に受容されており、前記制御部を含んでいる、請求項7記載の方法。 The method of claim 7 , wherein the printed circuit board is received in the key fob reader and includes the controller. 前記センサを、前記キー・フォブ読取り器内のプリント回路基板と関連付けさせる、請求項7記載の方法。 The method of claim 7 , wherein the sensor is associated with a printed circuit board in the key fob reader. 前記センサを前記キー・フォブ読取り器と関連付けさせる、請求項7記載のセキュリティシステム。 The security system of claim 7 , wherein the sensor is associated with the key fob reader. リードスイッチは前記磁気部材をセンシングする、請求項7記載の方法。 The method of claim 7 , wherein a reed switch senses the magnetic member. ホール効果センサは前記磁気部材をセンシングする、請求項7記載の方法。 The method of claim 7 , wherein a Hall effect sensor senses the magnetic member.
JP2009510936A 2006-05-12 2006-11-29 Vehicle with passive key fob with presence detection device by key fob reader Expired - Fee Related JP5222285B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/433,004 US20070120642A1 (en) 2005-11-28 2006-05-12 Vehicle with passive key fob having presence detection arrangement with key fob
US11/433,004 2006-05-12
PCT/US2006/061313 WO2007133287A1 (en) 2006-05-12 2006-11-29 Vehicle with passive key fob having presence detection arrangement with key fob reader

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JP5222285B2 true JP5222285B2 (en) 2013-06-26

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ITPN20130037A1 (en) * 2013-07-02 2015-01-03 Nilfisk Advance As SOIL CLEANING MACHINE WITH PERFECT KEY
DE102015106207A1 (en) * 2014-04-22 2015-10-22 Ksr Ip Holdings Llc Sensor with shielding component

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DE112006003856T5 (en) 2009-04-23
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