JP2003212096A - Detecting method using radio device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To detect a point where a user frequently gets on/off an automobile, and to register the point. <P>SOLUTION: A master radio device 3 and a slave radio device 16 for transmitting/receiving a packet according to a prescribed rule are attached to the automobile and an object owned by the user (such as a cellular phone) respectively. The master radio device 3 transmits the packet periodically to obtain ID information from the slave radio device 16 when a door of the automobile is opened/closed. The user's getting on/off the automobile is detected based on an ID information receiving situation from the slave device 16, and the point where the user frequently gets on/off the automobile is automatically registered. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a detection method using a wireless device, and more particularly, to an automobile and a property owned by a user (a mobile phone, a portable playback device, a mobile information terminal, etc.), an engine key, or an antitheft property. The present invention relates to a method of mounting a master wireless device and a slave wireless device for transmitting / receiving a packet according to a predetermined rule, and detecting an on / off of a driver and an abnormality occurrence in a vehicle.

[0002]

2. Description of the Related Art In a navigation device, in order to register a spot, it is necessary to point a desired spot with a cursor and then perform a predetermined registration operation. Further, even if the current vehicle position is the desired spot. It is necessary to perform a predetermined registration operation. In the car security device, in order to perform a security operation, a special remote controller for security is used to instruct the in-vehicle security device body to perform arming. If the door is opened or closed during such arming, these are detected by a sensor and an abnormality is reported. To cancel the security operation, instruct disarming from the remote control. The reason for performing the security operation by arming is that it is not known whether the person who opens and closes the door is a legitimate driver or a malicious third party.

[0003]

The conventional spot registration method has a problem that the spot registration operation is complicated because the key operation of the user is always required. Further, the conventional abnormality occurrence detection method has a problem that an expensive security device is required because the abnormality cannot be detected unless the arming state is set. It is an object of the present invention to detect the entry / exit of a user driver and automatically register the entry / exit point based on the number of times of entry / exit of the user driver at the same location. Another object of the present invention is to be able to detect whether or not the person performing the operation of opening and closing the door or starting the engine is a legitimate user. Another object of the present invention is to prevent theft of automobile accessories.

[0004]

According to the present invention, according to the present invention, a master wireless device and a slave wireless device for transmitting and receiving packets according to a predetermined rule are attached to a car and a portable object respectively, and a predetermined event occurs. Upon occurrence, the on-vehicle master wireless device transmits a packet to acquire the ID information of the slave wireless device, and depending on whether the master wireless device receives the ID information from the slave wireless device, the portable property owner gets on and off the car. Alternatively, it is achieved by a detection method for detecting the occurrence of an abnormality in an automobile.

For example, a master wireless device and a slave wireless device for transmitting and receiving packets are attached to an automobile and a property owned by a user according to a predetermined rule, respectively, and the master wireless device mounted on the vehicle in order to obtain ID information from the slave wireless device when the door is opened and closed. Packets are periodically transmitted, based on the ID information reception status from the slave wireless device, the exit or boarding is detected, and when the master wireless device stops receiving ID information from the slave wireless device when exiting,
Alternatively, when the master wireless device receives the ID information from the slave wireless device during boarding, it counts the number of boarding / alighting times corresponding to the position information of the stop point, and when the number of boarding / alighting times at the predetermined point becomes larger than the set number, the position of the point To register automatically. By doing so, the point where the user driver frequently gets on and off can be automatically registered, and a mark peculiar to the user can be displayed on the navigation map.

[0006] Further, when a master wireless device and a slave wireless device for transmitting and receiving packets according to a predetermined rule are attached to an automobile and a property owned by a user, respectively, and after the vehicle door is locked and the door is opened and closed, the vehicle-mounted master wireless device is a slave wireless device. A packet is transmitted to acquire the ID information from the master wireless device, and if the master wireless device does not receive the ID information, the abnormality occurrence is notified. By doing so, it is possible to detect and report the opening and closing of the door by an unauthorized person.

Further, when a master wireless device and a slave wireless device for transmitting / receiving a packet are attached to an automobile and an engine key according to a predetermined rule, respectively, and when a door unlock or an engine start is instructed, the on-vehicle master wireless device is a slave wireless device. The master wireless device performs a designated operation when the master wireless device receives the ID information, and reports a failure occurrence when the master wireless device does not receive the ID information. By doing so, it is possible to detect and notify the door unlock or engine start by an unauthorized person.

Further, when a master radio device and a slave radio device for transmitting and receiving packets are attached to an automobile and an anti-theft object according to a predetermined rule and the anti-theft object is detached, the master wireless device sends the ID information from the slave wireless device. Send packets periodically to get
When the master wireless device does not receive the ID information from the slave wireless device, it reports an error occurrence. By doing so, it is possible to easily report the theft of the vehicle-mounted property.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION (A) First Embodiment (a) Configuration FIG. 1 is a configuration diagram of a first embodiment of the present invention for detecting the entry / exit of a user driver and automatically performing position registration. The control unit 1 provided in the car CAR performs control for spot registration and detection of abnormality occurrence. The navigation control device 2 is for performing navigation control, has a built-in wireless device as a master, for example, a Bluetooth device 3, and has a point registration memory 4. The door lock device (5) locks or unlocks a door electromagnetic lock of an automobile according to a door lock / unlock instruction generated by operating a switch provided on an engine key.

The operation / display unit 6 performs various operations and displays, the door opening / closing sensor 7 detects opening / closing of the door, the running sensor 8 detects running / stopping of the vehicle, and the ignition on / off detecting unit 9 detects the ignition. Switch on / off is detected, and the detection results are input to the controller 1. The mobile phone 10 carries out normal telephone communication, and at the same time, informs the mobile phone of the user driver of the abnormality added to the vehicle or the home of the abnormality by an instruction from the control unit 1. RAM11 is a table that stores the user's entry / exit position and the number of times of entry / exit.
Remember CSPT. In addition, a wireless device that becomes a slave to the portable belongings 15 such as a mobile phone, a portable playback device, a portable information terminal, an engine key, etc. owned by the user driver, such as Bluetoo.
th device 16 is attached.

(B) Bluetooth Bluetooth is a short-distance wireless link intended to replace a cable between a mobile unit and a fixed electronic device or between the electronic devices, and data is transmitted in a TDD (Time-Divi) of 625 μs per slot.
(Sion Duplex) method is used to transfer packets, and frequency hopping is used in which the frequency changes for each packet. Using the same frequency hopping sequence, one master and up to seven slaves form a piconet for communication. For detailed Bluetooth specifications, see Specifications.
It is described in of the Bluetooth System Version 1.OA.

[0012] In summary, in Bluetooth, when a master wants to communicate, it makes an inquiry by IQ packet as to what kind of slave exists in the vicinity, and each slave uses a FHS packet to establish the Bluetooth device required for establishing a connection. Respond to the master with address and clock information. That is, the Inqu
It is possible to collect device address and clock information of all slaves that respond to iry. In addition, Bluetoot
h Device address is a unique address given to all Bluetooth devices. After that, the master uses the Bluetooth device address and clock information of the selected predetermined slave to perform a process called Page to actually establish a connection with the slave and send / receive data. That is, the master sends an ID packet to the selected slave selected, and when it receives a confirmation of receipt of this ID packet from the slave, the master sends an FHS packet to that slave, and its own Bluetooth device address and clock information. , And then shifts to the communication phase.

(C) Point registration processing FIG. 2 is a flow chart of point registration processing of the present invention. The control unit 1 monitors whether the vehicle is stopped from running (engine stopped) based on signals from the running sensor 8 and the ignition on / off detection unit 9 (step 101). Based on the signal from the sensor 7, it is monitored whether the door is opened or closed (step 102). If the door is opened and closed, Bl
The uetooth device (referred to as BT device) 3 is instructed to execute the inquiry procedure directly or via the navigation control unit 2. As a result, the master BT device 3
The IQ packet is transmitted (step 103).

When the device owned by the user driver, for example, the slave BT device 16 attached to the mobile phone 15, is in the IQ packet receivable range from the master BT device 3, the Bluetooth device address (ID information) and clock This information cannot be sent when it responds to the master and moves out of the IQ packet coverage.

Therefore, the control unit 1 monitors whether the master BT device 3 has received the ID information of the slave BT device 16 (step 10
4), if received, set the master BT device 3 every predetermined time and I
The Q packet is transmitted (steps 105 and 103). If the user driver owns the mobile phone 15 and moves to the Bluetooth communication impossible area, “NO” is determined in step 104. As a result, the control unit 1 acquires the current vehicle position from the navigation device 2 (step 106). Then, referring to the position / drop-off frequency table CSPT, it is checked whether the count value at the same position is already stored (step 107), and if not stored, the position / count value (= 1) is stored in the position / drop-off frequency table CSPT. Is stored (step 108), and the procedure returns to the beginning.

On the other hand, if the count value at the same position is already stored in step 107, the count value is incremented by 1 (step 109) and it is checked whether the count value is equal to or more than the set value (step 110). . If it is less than the set value in step 110, the process returns to the beginning, and if it is more than the set value, it is checked with reference to the point registration memory 4 whether the local point has already been registered (step 111). In step 111, if the spot has already been registered, the process returns to the beginning, and if not registered, it is registered in the spot registration memory 4 (step 112), and thereafter the process returns to the beginning. As described above, the point where the user driver gets off the set number of times or more is registered in the point memory 4, and the navigation device displays the point registration mark at the corresponding point on the map. still,
Frequent drop-off points are important points for the driver (company, home, family hospital, etc.).

In FIG. 2, the location is automatically registered based on the number of getting off, but the location can be registered based on the number of getting on. FIG. 3 is a processing flow for registering points on the basis of the number of times of boarding, and it is checked whether or not the vehicle is currently stopped (step 151), and if it is stopped, it is checked whether or not the door is opened to board (step 152), and the door is opened. When is opened or closed, the BT device 3 is instructed to execute the Inquiry procedure directly or via the navigation control unit 2. Thereby, the master BT device 3 transmits an IQ packet (step 153). The control unit 1 monitors whether or not the master BT device 3 has received the ID information of the slave BT device 16 (step 154), and if received, determines that the user driver has boarded and performs the same processing from step 106 onward in FIG. To do. It should be noted that even if a person other than the driver gets on the vehicle, the master BT device 3 does not receive the ID information of the slave BT device 16, so the process returns to the beginning.

(B) Second Embodiment FIG. 4 is a processing flow of a second embodiment for notifying that an abnormality has occurred by detecting that a third person other than the user driver has opened and closed the door after locking the door. Is the same as in FIG. The control unit 1 checks whether the door is locked (step 20
1) If the door is locked, then it is checked whether the door is opened or closed based on the signal from the door opening / closing sensor 7 (step 20).
2). If the door opens / closes directly or the navigation control unit 2
To instruct the BT device 3 to execute the Inquiry procedure. As a result, the master BT device 3 transmits the IQ packet to the slave BT device (step 203).

When the user driver opens and closes the door, a device (a mobile phone) carried by the user driver 1
The slave BT device 16 attached to the device 5 can respond with Bluetooth device address (ID information) and clock information in response to the IQ packet from the master BT device 3. However, if a third party other than the user driver opens and closes the door, it cannot respond to the IQ packet from the master BT device 3 with the Bluetooth device address (ID information) or clock information of the slave BT device 16.

From the above, in the control unit 1, the master BT device 3 is Bl
Monitor whether the ID information of the uetooth device 16 is received (Step 20
4) If received, it is considered that the legitimate user driver has opened and closed the door, and the processing ends. On the other hand, slave BT device 16
If the ID information is not received, it is considered that an unauthorized third party has opened and closed the door (abnormality detection, step 205), an alarm is generated, and the mobile phone 10 causes the mobile phone of the car owner or the home phone. Call to report an abnormality
(Step 206).

(C) Third Embodiment FIG. 5 shows that when an unlock instruction is given while the door is locked, or when an engine start is instructed, an operation by an instruction of a legitimate user driver is performed, and an unauthorized third embodiment is performed. FIG. 13 is a configuration diagram of a third embodiment in which an abnormality is notified without performing an operation in response to an instruction from a person.

The control unit 21 is provided in the automobile and executes door lock / unlock control, engine start control and the like. The door lock device 22 locks and unlocks the electronic door lock based on an instruction from the control unit 21. The engine start control unit 23 performs engine start control according to an instruction from the control unit 21. The infrared light receiving section 24 receives a door lock / unlock and an optical signal for instructing an engine start sent from a light emitting section with a built-in engine key, and inputs them to the control section 21. Bluetooth device that operates as a master (BT device)
The 25 communicates with slave BT devices with built-in engine keys. The mobile phone 26 performs normal telephone communication, and reports the abnormality added to the vehicle to the mobile phone of the user driver or the home according to an instruction from the control unit 21. The engine key 31 has a switch 31a for instructing door lock / unlock and an engine start switch 31b, and also serves as a slave Bluetooth device (BT device) 3
Built in 1c.

FIG. 6 is a processing flow of the control unit 21 in the third embodiment. The control unit 21 monitors whether there is a door unlock request or an engine start request from the engine key 31 (step 30
1) If there is any request, instruct the BT device 25 to execute the Inquiry procedure. As a result, the master BT device 25 transmits the IQ packet to the slave BT device 31c (step 302).

When the user driver makes a door unlock request or an engine start request using his / her engine key 31, the slave BT device 31c attached to the engine key 31 responds to the IQ packet from the master BT device 25. It can respond with Bluetooth device address (ID information) and clock information. However, when a third party other than the user driver requests a door unlock request or an engine start request, the Bluetooth device address (ID information) and clock information of the slave BT device 31c are sent in response to the IQ packet from the master BT device 25. I can't respond.

From the above, the control unit 21 monitors whether or not the master BT device 25 has received the ID information of the slave BT device 31c (step 303), and if received, considers that it is a request from a valid user driver and locks the door. The device 22 or the engine start control unit 23 is instructed to unlock the door or start the engine (step 304). However, slave BT equipment 31
If the ID information of c is not received, it is considered as a request from an unauthorized third party and the door unlock or engine start is not instructed. As a result, the requested operation is not executed (step 305). Thereafter, an alarm is generated, and the mobile phone 26 calls the car owner's mobile phone or home phone to report an abnormality (step 3).
06).

(D) Fourth Embodiment FIG. 7 is a configuration diagram of a fourth embodiment for preventing the property to be protected (audio equipment, navigation device, tires, etc.) mounted on a vehicle from being stolen. The control unit 41 controls the master Bluetooth device 42 to execute anti-theft control. The removal detection sensor 43 detects that the property 44 to be protected has been removed from its original position and notifies the control unit 41. A Bluetooth device 45 as a slave is attached to the protected property 44. The mobile phone 46 performs normal telephone communication, and reports an abnormality added to the automobile to the user driver's mobile phone or home at the instruction of the control unit 41.

FIG. 8 is a processing flow of the control unit 41 in the fourth embodiment. The control unit 41 monitors, based on the signal from the removal detection sensor 43, whether the protection target property 44 has been removed from its original position (step 401). When removed for some reason, the control unit 41 instructs the BT device 42 to execute the Inquiry procedure. As a result, the master BT device 42 transmits the IQ packet to the slave BT device 45 (step 4
02).

Even if the property 45 is removed from its original position and is not carried away, the slave BT device 45 is the master BT.
In response to the IQ packet from the device 42, the Bluetooth device address (ID information) and clock information can be returned to the master BT device 42. However, if it is carried to a position where Bluetooth communication is not possible, the slave BT device 45 becomes the master BT device.
I cannot reply to the IQ packet from 42. From the above, the control unit 41 monitors whether or not the master BT device 42 has received the ID information of the slave BT device 45 (step 403), and if received, considers that the protected property 44 is not carried, and thereafter predetermined. Wait for the passage of time (step 404), then step 401
The subsequent processing is continued and the IQ packet is transmitted again.

On the other hand, in step 403, if the ID information of the slave BT device 45 is no longer received, it is considered that an abnormality has occurred.
(Step 405) At the same time as alarming, the mobile phone 46 calls the car owner's mobile phone or home phone to report an abnormality (step 406).

[0030]

As described above, according to the present invention, a master wireless device and a slave wireless device for transmitting and receiving packets according to a predetermined rule are attached to an automobile and a portable object, respectively, and a master wireless device mounted on a vehicle when a predetermined event occurs. Since the device is configured to send a packet to obtain the ID information of the slave wireless device, depending on whether or not the master wireless device receives the ID information from the slave wireless device, getting on or off the car of the owner of the portable property or It is possible to detect the occurrence of an abnormality in the automobile. Further, according to the present invention, the point where the user driver gets on and off frequently can be automatically registered, and a mark peculiar to the user can be displayed on the navigation map. Further, according to the present invention, it is possible to detect an opening / closing of a door, an unlocking of a door, or an engine start by an unauthorized person to generate an alarm or report an abnormality. Further, according to the present invention, it is possible to easily detect the theft of an on-vehicle property, generate an alarm, and report an abnormality.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a first embodiment of the present invention.

FIG. 2 is a point registration processing flow of the present invention.

FIG. 3 is a processing flow of spot registration based on the number of boardings.

[Fig. 4] Second report that a third party other than the user driver opens and closes the door while the door is locked and reports an abnormality occurrence
It is a processing flow of an Example.

FIG. 5 is a configuration diagram of a third embodiment in which an operation is not executed and an abnormality is reported if an unauthorized third person unlocks or issues an engine start instruction.

FIG. 6 is a processing flow of a control unit in the third embodiment.

FIG. 7 is a configuration diagram of a fourth embodiment for preventing the property to be protected (audio device, navigation device, tire, etc.) mounted on a vehicle from being stolen.

FIG. 8 is a processing flow of a control unit in the fourth embodiment.

[Explanation of symbols]

1 control unit 2 Navigation control device 3 Bluetooth devices 4 point registration memory 5 Door lock device 6 Operation and display 7 Door open / close sensor 8 running sensor 9 Ignition on / off detector 10 mobile phones 15 Carry belongings 16 Bluetooth device CSPT position / boarding / unloading frequency table

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) G08B 25/04 G08B 25/04 G 25/10 25/10 A H04Q 7/38 H04B 7/26 109S F term (Reference) 5C084 AA04 AA10 AA16 BB24 CC02 CC16 CC35 DD07 EE06 FF02 5C087 AA02 AA03 BB20 DD05 DD13 EE06 EE20 FF01 FF04 FF16 GG66 GG70 GG83 5K067 AA32 BB04 BB21 DD17 GG01 H13 LL11H24H

Claims (6)

[Claims] 1. A master wireless device and a slave wireless device for transmitting and receiving packets according to a predetermined rule are attached to an automobile and a portable object, respectively, and when a predetermined event occurs, the in-vehicle master wireless device has a slave wireless device ID.
Transmitting a packet to obtain information, and detecting whether the portable property owner gets on or off the vehicle or an abnormality occurs in the vehicle depending on whether or not the master wireless device receives the ID information from the slave wireless device. How to detect. 2. A detection method for detecting getting in and out of a vehicle using a wireless device, wherein a master wireless device and a slave wireless device for transmitting and receiving packets according to a predetermined rule are attached to an automobile and a property owned by a user, respectively, and the vehicle is mounted on a vehicle when a door is opened or closed. Master wireless device ID from slave wireless device
A boarding / alighting detection method, characterized in that a packet is periodically transmitted to acquire information, and the boarding / alighting is detected based on the ID information reception status from the slave wireless device. 3. When the master wireless device does not receive the ID information from the slave wireless device when getting off the vehicle, or when the master wireless device receives the ID information from the slave wireless device when getting on the vehicle, it corresponds to the position information of the stop point. 3. The boarding / alighting detection method according to claim 2, wherein the number of boarding / alighting times is counted, and when the number of boarding / alighting times at a predetermined point becomes larger than a set number, the position of the point is automatically registered. 4. An abnormality detection method for detecting an abnormality occurrence in a vehicle using a wireless device, wherein a master wireless device and a slave wireless device for transmitting and receiving packets according to a predetermined rule are attached to an automobile and a property owned by a user, respectively.
When the door is opened and closed after the car door is locked, the onboard master wireless device sends a packet to acquire the ID information from the slave wireless device, and if the master wireless device does not receive the ID information, it reports an error occurrence. An abnormality occurrence detection method characterized by the following. 5. An abnormality detecting method for detecting an abnormality of a vehicle using a wireless device, wherein a master wireless device and a slave wireless device for transmitting and receiving packets are attached to an automobile and an engine key according to a predetermined rule, respectively, and a door unlock or engine is installed. When start is instructed, the in-vehicle master wireless device sends a packet to acquire the ID information from the slave wireless device, and when the master wireless device receives the ID information, performs the instructed operation and does not receive An abnormality occurrence detection method characterized in that an abnormality occurrence is reported in the case. 6. An anomaly detection method for detecting an anomaly in a car using a wireless device, wherein a master radio device and a slave radio device for transmitting and receiving packets according to a predetermined rule are attached to the car and the anti-theft object, and the anti-theft object is attached. When the property is removed, the master wireless device periodically sends a packet to acquire the ID information from the slave wireless device, and when the master wireless device no longer receives the ID information from the slave wireless device, an error occurs. An abnormality occurrence detection method characterized by making a notification.