JP2006088756A - Vehicle anti-theft system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicle anti-theft system enabling starting of security activation without any burdensome operations even in the case of performing work away from a vehicle for a short time. <P>SOLUTION: A system control device 11 transmits location confirmation signals from both of an external communication antenna 111 and an internal communication antenna 112 by a communication means 113 if engine operation condition detected by an engine operation detecting means 14 is in operation when a door open/close condition detecting means 15 detects that the operation for opening and thereafter closing a vehicle door is performed. By means of the signals, a bidirectional communication portable machine 12 determines its own location, and returns location information and portable machine information. The system control device 11 delivers the portable machine information received from the bidirectional communication portable machine 12 to an authentication means 114 to conduct authentication. When the authentication is normal, the location information of the bidirectional communication portable machine 12 is determined. When the bidirectional communication portable machine 12 is outside the vehicle, locking of the vehicle is performed by a vehicle lock control means 13. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a vehicle theft prevention system for preventing theft of a vehicle.

Conventionally, a vehicle anti-theft system that prevents theft of a vehicle is known. In order to prevent forgetting to start security operation or theft while leaving the vehicle for a short period of time while performing other work, Some devices enter a security monitoring state after a set time has elapsed (see, for example, Patent Document 1).
JP 2003-2169 A

  However, in such a vehicle antitheft system, the security monitoring state is automatically set even while traveling, so security must be manually canceled when leaving the vehicle, and the engine is running, When you leave the vehicle for a short time, such as when you open the gate when entering the garage at home or when you replace the vehicle with other vehicles in the parking lot, you must get off the vehicle without manually releasing the security. It was annoying because I couldn't.

  The present invention has been made to solve the conventional problems, and provides a vehicle theft prevention system capable of starting a security operation without troublesome operation even when working away from a vehicle for a short time. With the goal.

  The vehicle anti-theft system of the present invention includes a two-way communication portable device having a wireless two-way communication function, an authentication means for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device, A door opening / closing state detecting means for detecting an opening / closing state of the vehicle door; an engine operation detecting means for detecting an operating state of the engine of the vehicle; and a vehicle lock control means for controlling locking and unlocking of the vehicle lock. When the open / close state detecting means detects that the vehicle door is opened and closed, if the engine operating state detected by the engine operation detecting means is in engine operation, the location of the two-way communication portable device is wireless. When the two-way communication portable device is confirmed by communication and authenticated by the authentication means and the result of the authentication is normal, the vehicle lock control means applies the vehicle lock. It has a configuration comprising a control means for performing.

  With this configuration, it is possible to prevent a person who does not have a two-way communication portable device from getting on the vehicle.

  Here, when the control means receives the vehicle unlocking signal from the two-way communication portable device whose authentication result is normal after locking the vehicle lock, the vehicle lock control means unlocks the vehicle lock. It was set as the structure which performs.

  With this configuration, it is possible to prevent a person who does not have a two-way communication portable device from getting into the vehicle, and the owner who has the two-way communication portable device can unlock the vehicle lock. Yes, you can ride arbitrarily.

  Further, the vehicle antitheft system of the present invention includes a two-way communication portable device having a wireless two-way communication function, and an authentication unit for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device. A door opening / closing state detecting means for detecting an opening / closing state of the vehicle door, an engine operation detecting means for detecting an operating state of the engine of the vehicle, and an engine stopping means for stopping the operation of the engine, If it is detected that the vehicle door is opened and closed by the means, and the engine operating state detected by the engine operation detecting means is the engine operating, the location of the two-way communication portable device is confirmed by wireless communication. In addition, when the two-way communication portable device that authenticates by the authenticating means and the authentication result is normal exists outside the vehicle, the authentication result is normal. Upon receiving the engine stop signal from the counter communication portable unit, it has a configuration comprising a control means for stopping the engine by the engine stop means.

  With this configuration, even if the vehicle is boarded by a person who does not have a two-way communication portable device, the owner who has the two-way communication portable device can stop the engine.

  Furthermore, the vehicle antitheft system of the present invention includes a two-way communication portable device having a wireless two-way communication function, and an authentication unit for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device. A door opening / closing state detecting means for detecting an opening / closing state of the vehicle door, an engine operation detecting means for detecting an operating state of the engine of the vehicle, and a shift change blocking means for blocking a shift change of the transmission. If it is detected by the state detecting means that the vehicle door is opened and closed, and the engine operating state detected by the engine operation detecting means is in engine operation, the location of the two-way communication portable device is wirelessly communicated. And authenticating with the authentication means, and in a state where the two-way communication portable device having a normal authentication result exists outside the vehicle A) When the open / close state detection means detects that the vehicle door is opened and closed, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means, and both of the authentication results are normal. The mobile communication device includes a control unit that prevents the shift change by the shift change blocking unit when the mobile communication device is not present in the vehicle.

  With this configuration, it is possible to prevent a shift change even if a person who does not have a two-way communication portable device is stolen.

  Furthermore, the vehicle antitheft system of the present invention includes a two-way communication portable device having a wireless two-way communication function, and an authentication unit for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device. Door opening / closing state detecting means for detecting the opening / closing state of the vehicle door, engine operation detecting means for detecting the operating state of the engine of the vehicle, vehicle lock control means for controlling locking / unlocking of the vehicle lock, and vehicle speed. Vehicle speed detecting means for detecting, and remote vehicle unlocking means for unlocking a vehicle lock that cannot be unlocked by a request through a public network, and the vehicle door is opened by the door open / close state detecting means. If it is detected that the engine has been closed and the engine operating state detected by the engine operation detecting means is operating, the location of the two-way communication portable device is confirmed by wireless communication. When the authentication means authenticates, and the two-way communication portable device with a normal authentication result is present outside the vehicle, the door opening / closing state detection means detects that the vehicle door is opened and closed. The location of the communication portable device is confirmed by wireless communication and authenticated by the authentication means, and in the state where the two-way communication portable device whose authentication result is normal does not exist in the vehicle, the vehicle speed is detected by the vehicle speed detected by the vehicle speed detection means. After confirming the start and then confirming the stop of the vehicle, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means, and the two-way communication portable device having a normal authentication result exists in the vehicle Otherwise, the vehicle lock control means makes the vehicle lock in an unlockable state that cannot be unlocked from other than the remote vehicle unlocking means, and receives the remote vehicle unlocking signal via the public network. Has a configuration comprising a control means for unlocking the vehicle lock by the remote vehicle lock unlocking means.

  With this configuration, the vehicle lock can be prevented from being unlocked even if it is stolen by a person who does not have the two-way communication portable device.

  Furthermore, the vehicle antitheft system of the present invention includes a two-way communication portable device having a wireless two-way communication function, and an authentication unit for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device. Door opening / closing state detecting means for detecting the opening / closing state of the vehicle door, engine operation detecting means for detecting the operating state of the engine of the vehicle, vehicle lock control means for controlling locking / unlocking of the vehicle lock, and vehicle speed. Vehicle speed detection means for detecting, vehicle password input type vehicle lock unlocking means for unlocking the vehicle lock in an unlockable state when the result of authentication by the input password is normal, and the vehicle password input type vehicle lock User authentication means for authenticating the password input to the unlocking means, and when the door opening / closing state detecting means detects that the vehicle door is opened and closed, If the engine operating state detected by the engine operation detecting means is operating, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means, and the two-way communication result is normal. When it is detected that the vehicle door is opened and closed by the door open / close state detection means in a state where the communication portable device exists outside the vehicle, the location of the two-way communication portable device is confirmed by wireless communication and the authentication means The two-way communication is performed when the start of the vehicle is confirmed by the vehicle speed detected by the vehicle speed detection means in a state where the two-way communication portable device having the normal authentication result is not present in the vehicle, and then the vehicle is stopped. When the location of the portable device is confirmed by wireless communication and authenticated by the authentication means, and the two-way communication portable device having a normal authentication result does not exist in the vehicle, the vehicle The vehicle lock from outside the vehicle password type vehicle lock unlocking means has a configuration comprising a control means for unlocking impossible state can not be unlocked by the control means.

  With this configuration, the vehicle lock can be prevented from being unlocked even if it is stolen by a person who does not have the two-way communication portable device.

  Furthermore, the vehicle antitheft system of the present invention includes a two-way communication portable device having a wireless two-way communication function, and an authentication unit for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device. A door opening / closing state detecting means for detecting the opening / closing state of the vehicle door, an engine operation detecting means for detecting the operating state of the engine of the vehicle, a vehicle speed detecting means for detecting the vehicle speed, and an engine forced stop for forcibly stopping the engine If the engine operating state detected by the engine operation detecting means is in engine operation when the door opening / closing state detecting means detects that the vehicle door is opened and closed, the bidirectional The location of the communication portable device is confirmed by wireless communication and authenticated by the authentication means, and the two-way communication portable device having a normal authentication result exists outside the vehicle. When the door opening / closing state detecting means detects that the vehicle door is opened and closed, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means, and the two-way authentication is normal. When the start of the vehicle is confirmed by the vehicle speed detected by the vehicle speed detection means in a state where the communication portable device is not present in the vehicle, and then the stop of the vehicle is confirmed, the location of the two-way communication portable device is confirmed by wireless communication and When the two-way communication portable device that is authenticated by the authentication unit and the authentication result is normal does not exist in the vehicle, the control unit includes a control unit that forcibly stops the engine by the engine forced stop unit.

  With this configuration, even if the vehicle is stolen by a person who does not have the two-way communication portable device, the engine can be prevented from operating when the vehicle stops.

  Furthermore, the vehicle antitheft system of the present invention includes a two-way communication portable device having a wireless two-way communication function, and an authentication unit for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device. A door open / close state detecting means for detecting an open / closed state of the vehicle door, an engine operation detecting means for detecting an operating state of the engine of the vehicle, a vehicle speed detecting means for detecting the vehicle speed, and a shift change for preventing a shift change of the transmission. And when the engine operating state detected by the engine operation detecting means is in engine operation when the door opening / closing state detecting means detects that the vehicle door is opened and closed, the both The location of the mobile communication device is confirmed by wireless communication and authenticated by the authentication means, and the result of the authentication is normal. When the door opening / closing state detection means detects that the vehicle door is opened and closed while the machine is outside the vehicle, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means. The two-way communication portable device confirms the start of the vehicle based on the vehicle speed detected by the vehicle speed detection means in a state where the two-way communication portable device whose authentication result is normal does not exist in the vehicle, and then confirms the stop of the vehicle. Control means for confirming the location of the wireless communication and authenticating by the authentication means, and for preventing the shift change by the shift change prevention means when the two-way communication portable device whose authentication result is normal is not present in the vehicle. The configuration.

  With this configuration, even if the vehicle is stolen by a person who does not have a two-way communication portable device, it is possible to prevent a shift change when the vehicle stops.

  Furthermore, the vehicle antitheft system of the present invention includes a two-way communication portable device having a wireless two-way communication function, and an authentication unit for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device. Door opening / closing state detecting means for detecting the opening / closing state of the vehicle door, engine operation detecting means for detecting the operating state of the engine of the vehicle, vehicle lock control means for controlling locking and unlocking of the vehicle lock, and a public network Remote vehicle unlocking means for unlocking the vehicle lock in an unlockable state according to a request via, when detecting that the vehicle door is opened and closed by the door open / close state detecting means, If the engine operating state detected by the engine operation detecting means is operating, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authenticating means. When the two-way communication portable device having a normal result is present outside the vehicle, the door opening / closing state detecting means detects that the vehicle door is opened and closed by wireless communication. Confirming and authenticating by the authenticating means, and detecting the engine speed equal to or higher than the value set by the engine operation detecting means in a state where the two-way communication portable device whose authentication result is normal does not exist in the vehicle. When engine stop is detected by the engine operation detection means after confirming the start, the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means, and the authentication result is normal. If the portable device is not present in the vehicle, the vehicle lock control means makes the vehicle lock in an unlockable state that cannot be unlocked by anyone other than the remote vehicle lock unlocking means. Upon receiving a remote vehicle lock unlocking signal through, and configured to include a control means for unlocking the vehicle lock by the remote vehicle lock unlocking means.

  With this configuration, the vehicle lock can be prevented from being unlocked even if it is stolen by a person who does not have the two-way communication portable device.

  Furthermore, the vehicle antitheft system of the present invention includes a two-way communication portable device having a wireless two-way communication function, and an authentication unit for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device. Door opening / closing state detecting means for detecting the opening / closing state of the vehicle door, engine operation detecting means for detecting the operating state of the engine of the vehicle, and vehicle lock control means for controlling locking / unlocking of the vehicle lock. In-vehicle password input type vehicle unlocking means for unlocking the vehicle lock in an unlockable state when the result of authentication by the password is normal, and the password input to the in-vehicle password input type vehicle lock unlocking means User authentication means for performing authentication, and when the door opening / closing state detecting means detects that the vehicle door is opened and closed, the engine operation detecting means detects If the engine is operating, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means, and the two-way communication portable device having a normal authentication result exists outside the vehicle. When the door open / close state detection means detects that the vehicle door is opened and closed, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means. When the normal two-way communication portable device does not exist in the vehicle, the engine speed is detected by detecting the engine speed equal to or higher than the value set by the engine operation detection means, and then the engine is stopped by the engine operation detection means. , The location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means, and the two-way communication with a normal authentication result. When the band unit is not present in the vehicle, and configured to include a control unit is a vehicle lock from outside the vehicle password type vehicle lock unlocking means to unlock impossible state can not be unlocked by the vehicle lock control means.

  With this configuration, the vehicle lock can be prevented from being unlocked even if it is stolen by a person who does not have the two-way communication portable device.

  Furthermore, the vehicle antitheft system of the present invention includes a two-way communication portable device having a wireless two-way communication function, and an authentication unit for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device. A door opening / closing state detecting means for detecting an opening / closing state of the vehicle door, an engine operation detecting means for detecting an operating state of the engine of the vehicle, and an engine forced stopping means for forcibly stopping the engine, the door opening / closing state If it is detected by the detecting means that the vehicle door is opened and closed, and the engine operating state detected by the engine operation detecting means is in engine operation, the location of the two-way communication portable device is determined by wireless communication. Confirming and authenticating by the authenticating means, the door open / closed state detecting means in the state where the two-way communication portable device whose authentication result is normal exists outside the vehicle When the vehicle door is detected to be opened and closed, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means. When the engine operation detecting means detects stop of the engine after detecting the engine speed equal to or higher than the value set by the engine operation detecting means without being in the vehicle, the two-way communication portable Control means for confirming the location of the machine by wireless communication and authenticating by the authentication means, and forcibly stopping the engine by the engine forced stop means when the two-way communication portable device having a normal authentication result does not exist in the vehicle. It was set as the structure provided.

  With this configuration, even if the user is stolen by a person who does not have the two-way communication portable device, the engine can be prevented from operating when the engine is stopped.

  Furthermore, the vehicle antitheft system of the present invention includes a two-way communication portable device having a wireless two-way communication function, and an authentication unit for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device. A door opening / closing state detecting means for detecting an opening / closing state of the vehicle door, an engine operation detecting means for detecting an operating state of the engine of the vehicle, and a shift change blocking means for blocking a shift change of the transmission. If it is detected by the state detecting means that the vehicle door is opened and closed, and the engine operating state detected by the engine operation detecting means is in engine operation, the location of the two-way communication portable device is wirelessly communicated. And authenticating with the authentication means, and in a state where the two-way communication portable device having a normal authentication result exists outside the vehicle A) When the open / close state detection means detects that the vehicle door is opened and closed, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means, and both of the authentication results are normal. When the stop of the engine is detected by the engine operation detection means after detecting the engine speed equal to or higher than the value set by the engine operation detection means in a state where the mobile communication portable device is not present in the vehicle, The location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means, and if the two-way communication portable device whose authentication result is normal does not exist in the vehicle, a shift change is made by the shift change prevention means. It was set as the structure provided with the control means to prevent.

  With this configuration, even if the user is stolen by a person who does not have a two-way communication portable device, it is possible to prevent a shift change if the engine stops.

  Here, it is provided with a cargo compartment door lock control means for controlling locking and unlocking of the cargo compartment door, and the control means also locks the cargo compartment door by the cargo compartment door lock control means when the vehicle lock is locked and unlocked. And it was set as the structure which unlocks.

  With this configuration, it is possible to prevent a person who does not have a two-way communication portable device from getting into the vehicle, and to prevent theft of luggage.

  According to the present invention, when it is detected that the vehicle door is opened and closed, if the two-way communication portable device exists outside the vehicle while the engine is operating, the vehicle lock is locked. If the machine is carried, the vehicle lock is locked just by going out of the vehicle, and the security operation can be started without troublesome operations.

  Embodiments of the present invention will be described below with reference to the drawings.

(First embodiment)
FIG. 1 is a diagram showing a vehicle antitheft system according to a first embodiment of the present invention.

  In FIG. 1, the vehicle antitheft system includes a system control device 11 that controls security operations according to detection states of various detection means, and a bidirectional communication that is carried by the user and that communicates with the system control device 11 to transmit and receive information. A portable device 12, vehicle lock control means 13 for unlocking or locking the vehicle lock, engine operation detection means 14 for detecting the engine operation state, door opening / closing state detection means 15 for detecting the opening / closing state of the vehicle door, It has.

  The system control device 11 includes an in-vehicle communication antenna 111 that is installed outside the vehicle and transmits / receives radio waves to / from the bidirectional communication portable device 12, an in-vehicle communication antenna 112 that is installed in the vehicle and transmits / receives radio waves to / from the bidirectional communication portable device 12, and A communication unit 113 that controls communication with the communication portable device 12, an authentication unit 114 that performs authentication based on portable device information acquired from the two-way communication portable device 12 by the communication unit 113, and an authentication identifier (ID) are stored. And an internal storage means 115.

  In such a vehicle antitheft system, when the system control device 11 detects that the two-way communication portable device 12 is outside the vehicle when the vehicle door is opened and closed, the system control device 11 locks the vehicle lock. .

  Specifically, as shown in the flowchart of FIG. 2, the system control device 11 confirms the vehicle door state detected by the door open / close state detection means 15 (S11), and performs an operation of closing after the vehicle door is opened. When the vehicle door is closed after being opened (S12), the engine operation detecting means 14 confirms the engine operation state (S13) and determines whether the engine is operating (S14). If the engine is not operating, the process is terminated.

  If the engine is in operation, communication is performed with the two-way communication portable device 12 to confirm the location of the two-way communication portable device 12 (S15).

  This is because the communication means 113 transmits location confirmation signals having different frequencies from both the outside communication antenna 111 and the inside communication antenna 112, and the two-way communication portable device 12 that has received this signal receives the signals of the respective frequencies. The reception state (electric field level) is detected, and it is determined that the reception side (electric field level) is on the side of the antenna that is transmitting a radio wave having a good reception state.

  That is, when the radio wave from the outside communication antenna 111 is in a better reception state, it is determined that it is outside the vehicle, and when the radio wave from the in-vehicle communication antenna 112 is better in a reception state, it is determined that it is inside the vehicle. To do.

  Then, the location information is transmitted to the system control apparatus 11 together with the portable device information in which the identification information of the portable device set in advance is set.

  When the system control apparatus 11 receives the location information and the portable device information by the communication unit 113, the system control device 11 passes the identification information of the portable device in the portable device information to the authentication unit 114 to request authentication.

  When the authentication unit 114 receives the authentication request, the authentication unit 114 compares the identification information of the portable device and the authentication ID stored in the internal storage unit 115, and if they match, the authentication result is normal.

  If the authentication result is normal, the system control device 11 uses the received location information as location information of the two-way communication portable device 12.

  Next, the system control device 11 determines the location information of the two-way communication portable device 12 (S16), and ends the process when the two-way communication portable device 12 is in the vehicle.

  When the two-way communication portable device 12 is outside the vehicle, a vehicle lock signal is transmitted to the vehicle lock control means 13 (S17).

  When receiving the vehicle lock signal, the vehicle lock control means 13 locks the vehicle lock.

  Thus, in this embodiment, when the vehicle door is opened and closed, if the engine is operating, the location of the two-way communication portable device 12 is confirmed, and when the two-way communication portable device 12 is outside the vehicle, Since the vehicle lock is locked, when the user who has the two-way communication portable device 12 leaves the vehicle with the engine running, the vehicle lock is automatically locked, and the vehicle is locked for a short time with the engine running. Even when leaving the vehicle, the vehicle lock can be locked without troublesome operations such as releasing the security monitoring state.

  In the present embodiment, the location confirmation signals having different frequencies are transmitted between the outside communication antenna 111 and the inside communication antenna 112, but the signals are transmitted at the same frequency with a time difference, and the respective reception states Or may be transmitted with a time difference at different frequencies.

(Second Embodiment)
Next, FIG. 3 is a diagram showing a vehicle antitheft system according to the second embodiment of the present invention. Since the present embodiment is configured in substantially the same manner as the first embodiment described above, the same reference numerals are given to the same configurations, and only the characteristic portions will be described.

  In the vehicle antitheft system of the present embodiment, when the vehicle door is opened and closed, the engine is in operation and the two-way communication portable device 22 is outside the vehicle. The vehicle lock is unlocked by the vehicle unlocking signal.

  Specifically, as shown in the flowchart of FIG. 4, as in the above-described embodiment, the system control device 21 detects the opening / closing of the vehicle door, and when the engine is operating, the communication means 211 causes the communication antenna outside the vehicle to communicate. 111 and the in-vehicle communication antenna 112 transmit location confirmation signals, and the identification information of the portable device and the authentication stored in the internal storage means 115 by the authentication device 114 based on the portable device information from the two-way communication portable device 22. Authentication is performed based on whether the IDs match. If the authentication result is normal, the location information sent together with the portable device information is used as the location information of the two-way communication portable device 22, and if the location information is outside the vehicle The vehicle lock is locked (S11 to S17).

  Thereafter, the system control device 21 monitors a vehicle unlocking signal from the two-way communication portable device 22 (S21).

  When the user instructs the two-way communication portable device 22 to unlock the vehicle lock, the two-way communication portable device 22 transmits a vehicle unlocking signal including portable device information to the system control device 21.

  When receiving the vehicle unlocking signal by the communication unit 211, the system control device 21 passes the identification information of the portable device of the portable device information included in the vehicle unlocking signal to the authentication unit 114 to request authentication (S22). .

  When the authentication unit 114 receives the authentication request, the authentication unit 114 compares the identification information of the portable device and the authentication ID stored in the internal storage unit 115, and if they match, the authentication result is normal.

  The system control device 21 determines the authentication result (S23). If the authentication result is not normal, the system control device 21 returns to S21 to monitor the vehicle unlocking signal.

  If the authentication result is normal, a vehicle unlocking signal is transmitted to the vehicle lock control means 13 (S24).

  Upon receiving the vehicle unlocking signal, the vehicle lock control means 13 unlocks the vehicle lock.

  Thus, in this embodiment, when the vehicle door is opened and closed, the engine is operating, and the two-way communication portable device 22 is outside the vehicle, the vehicle lock is locked, and the vehicle unlocking from the two-way communication portable device 22 is performed. Since the vehicle lock is unlocked by the lock signal, the vehicle lock can be unlocked without a troublesome operation such as releasing the security monitoring state, and can be unlocked by the two-way communication portable device 22.

(Third embodiment)
Next, FIG. 5 is a diagram showing a vehicle antitheft system according to a third embodiment of the present invention. Since the present embodiment is configured in substantially the same manner as the above-described second embodiment, the same reference numerals are given to the same configurations, and only characteristic portions will be described.

  The vehicle antitheft system of this embodiment includes an engine stop means 33 for stopping the engine of the vehicle, the vehicle door is opened and closed, the engine is operating, and the two-way communication portable device 32 is outside the vehicle. The engine is stopped by an engine stop signal from the mobile communication device 32.

  Specifically, as shown in the flowchart of FIG. 6, similarly to the above-described embodiment, the system control device 31 detects opening / closing of the vehicle door, and when the engine is operating, the two-way communication portable device is communicated. The location of 32 is confirmed (S11 to S16).

  If the two-way communication portable device 32 is outside the vehicle, the system control device 31 monitors the engine stop signal from the two-way communication portable device 32 (S31).

  When the user instructs the two-way communication portable device 32 to stop the engine of the vehicle, the two-way communication portable device 32 transmits an engine stop signal including portable device information to the system control device 31.

  When receiving the engine stop signal by the communication unit 311, the system control device 31 passes the identification information of the portable device included in the portable device information included in the engine stop signal to the authentication unit 114 to request authentication (S 32).

  When the authentication unit 114 receives the authentication request, the authentication unit 114 compares the identification information of the portable device and the authentication ID stored in the internal storage unit 115, and if they match, the authentication result is normal.

  The system control device 31 determines the authentication result (S33), and if the authentication result is not normal, the system control device 31 returns to S31 and monitors the engine stop signal.

  If the authentication result is normal, an engine stop signal is transmitted to the engine stop means 33 (S34).

  The engine stop means 33 forcibly stops the engine when receiving the engine stop signal.

  As described above, in this embodiment, when the vehicle door is opened and closed, the engine is operating, and the two-way communication portable device 32 is outside the vehicle, when the engine stop signal is received from the two-way communication portable device 32, the engine is turned on. Even if the vehicle is stolen while the user with the two-way communication portable device 32 is out of the vehicle with the engine running, the two-way communication portable device 32 can stop the engine. And theft can be prevented.

(Fourth embodiment)
Next, FIG. 7 is a figure which shows the vehicle antitheft system of the 4th Embodiment of this invention. Since the present embodiment is configured in substantially the same manner as the first embodiment described above, the same reference numerals are given to the same configurations, and only the characteristic portions will be described.

  The vehicle antitheft system according to the present embodiment includes a shift change blocking means 42 for blocking a vehicle shift change, and is stolen by the open / close state of the vehicle door, the engine operating state, and the location of the two-way communication portable device 12. It is characterized by detecting this and preventing shift changes.

  Specifically, as shown in the flowchart of FIG. 8, as in the above-described embodiment, the system control device 41 detects the opening / closing of the vehicle door, and if the engine is operating, the two-way communication portable device is communicated. 12 are confirmed (S11 to S16).

  If the two-way communication portable device 12 is outside the vehicle, the system control device 41 confirms again the vehicle door state detected by the door open / close state detection means 15 (S41), and performs an operation of closing after the vehicle door is opened. It is monitored whether it has been boarded (S42).

  When the vehicle door is opened and then closed, it communicates with the two-way communication portable device 12 and confirms the location of the two-way communication portable device 12 (S43). The twelve location information is determined (S44).

  If the two-way communication portable device 12 is present in the vehicle, it is determined that an authorized vehicle driver has boarded, and the process is terminated.

  If the two-way communication portable device 12 is not present in the vehicle, it is determined that the vehicle is not a legitimate vehicle driver but is stolen, and a shift change blocking signal is transmitted to the shift change blocking means 42 (S45).

  When the shift change blocking means 42 receives the shift change blocking signal, it operates to block the shift change.

  As described above, in this embodiment, even when the vehicle door is opened and closed while the vehicle door is opened and closed, the engine is operating, and the bidirectional communication portable device 12 is outside the vehicle, If it is not in the vehicle, it is determined that the theft has been stolen and an operation to prevent shift change is performed. Therefore, while the user with the two-way communication portable device 12 goes out of the vehicle with the engine running, the two-way communication portable Even if another person who does not have the machine 12 gets in by opening and closing the vehicle door, the shift change can be prevented and the movement of the vehicle can be stopped.

  As another aspect of the present embodiment, as shown in the flowchart of FIG. 9, as in the above-described embodiment, the system control device 41 detects the opening / closing of the vehicle door and communicates when the engine is operating. Thus, the location of the two-way communication portable device 12 is confirmed (S11 to S16).

  If the two-way communication portable device 12 is outside the vehicle, the opening / closing of the vehicle door is monitored. When the vehicle door is opened / closed, the location of the two-way communication portable device 12 is confirmed, and the location information of the two-way communication portable device 12 is obtained. Determine (S41 to S44).

  If the two-way communication portable device 12 is not present in the vehicle, the system control device 41 confirms again the vehicle door state detected by the door open / close state detection means 15 (S46), and the operation is closed after the vehicle door is opened. (S47), when the vehicle door is opened and closed, it communicates with the two-way communication portable device 12 in the same manner as S15. Confirmation is performed (S48), and the location information of the two-way communication portable device 12 is determined (S49).

  If the two-way communication portable device 12 exists in the vehicle, it is determined that there is an authorized vehicle driver, and the process is terminated.

  If the two-way communication portable device 12 is not present in the vehicle, it is determined that the theft has been stolen, and a shift change prevention signal is transmitted to the shift change prevention means 42 (S45).

  When the shift change blocking means 42 receives the shift change blocking signal, it operates to block the shift change.

  With this configuration, the shift change is not blocked by opening and closing the vehicle door only once when the two-way communication portable device 12 is not in the vehicle, and the two-way communication portable device 12 is opened and closed by the second opening and closing of the vehicle door. If is not in the car, it is determined that the theft is stolen and shift changes are prevented. Accordingly, it is possible to prevent the shift change from being opened / closed once due to an erroneous operation or an emergency situation, and even if the vehicle is stolen, the movement of the vehicle can be stopped during the theft.

(Fifth embodiment)
Next, FIG. 10 is a figure which shows the vehicle antitheft system of the 5th Embodiment of this invention. Since the present embodiment is configured in substantially the same manner as the first and second embodiments described above, the same reference numerals are given to the same configurations, and only characteristic portions will be described.

  The vehicle antitheft system according to the present embodiment includes a remote vehicle unlocking means 53 for unlocking a vehicle lock in an unlockable state, and the system control device 51 includes a mobile phone line, a wireless LAN (Local Area Network), and the like. Is connected to a public network 2 such as a telephone network or the Internet, and can receive a signal from a user via the public network 2. The open / close state of the vehicle door, the vehicle speed, the location of the two-way communication portable device 12, and the like. Thus, it is detected that the vehicle has been stolen, the vehicle lock control means 52 makes the vehicle lock in an unlockable state that cannot be unlocked except by the remote vehicle lock unlocking means 53, and the remote vehicle unlocking signal is released by the remote vehicle unlocking signal. A feature 53 is that the vehicle lock is unlocked.

  Specifically, as shown in the flowchart of FIG. 11, as in the above-described embodiment, the system control device 51 detects the opening / closing of the vehicle door, and when the engine is operating, the two-way communication portable device is communicated. 12 are confirmed (S11 to S16).

  If the two-way communication portable device 12 is outside the vehicle, the opening / closing of the vehicle door is detected again. When the vehicle door is opened / closed, the location of the two-way communication portable device 12 is confirmed (S41 to S44).

  If the two-way communication portable device 12 is present in the vehicle, it is determined that an authorized vehicle driver has boarded, and the process is terminated.

  If the two-way communication portable device 12 is not present in the vehicle, it is determined that there is a possibility that the vehicle is not an authorized vehicle driver, the vehicle speed detected by the vehicle speed detection means 16 is confirmed (S51), and whether the vehicle has started is monitored. (S52).

  When the vehicle starts, the vehicle speed detected by the vehicle speed detection means 16 is confirmed again (S53), and it is monitored whether the vehicle has stopped (S54).

  When the vehicle stops, as in S15, communication is performed with the two-way communication portable device 12, the location of the two-way communication portable device 12 is confirmed (S55), and the location information of the two-way communication portable device 12 is determined. (S56).

  If the two-way communication portable device 12 exists in the vehicle, it is determined that there is an authorized vehicle driver, and the process is terminated.

  If the two-way communication portable device 12 does not exist in the vehicle, the system control device 51 transmits a vehicle lock / unlock function stop signal to the vehicle lock control means 52 (S57), moves to the flowchart of FIG. The remote vehicle unlocking signal via 2 is monitored (S58).

  When receiving the vehicle unlocking function stop signal, the vehicle lock control means 52 makes the vehicle unlockable state that cannot be unlocked from other than the remote vehicle unlocking means 53.

  A user who wants to unlock the vehicle lock operates a mobile phone or a personal computer connected to the Internet, and the remote vehicle including the password in the system control device 51 via the public network 2 such as the telephone network or the Internet. Send the unlocking signal.

  When receiving the remote vehicle unlocking signal from the public network 2, the system control device 51 passes the password included in the remote vehicle unlocking signal to the authentication unit 511 and performs user authentication (S59).

  The authentication unit 511 compares the received password with the password stored in the internal storage unit 512, and determines that the authentication result is normal if they match.

  The system control device 51 determines the authentication result (S60), and if the authentication result is not normal, the system control device 51 returns to S58 to monitor the remote vehicle unlocking signal.

  If the authentication result is normal, a remote vehicle unlocking signal is transmitted to the remote vehicle unlocking means 53 (S61).

  When the remote vehicle unlocking means 53 receives the remote vehicle unlocking signal, the remote vehicle unlocking means 53 unlocks the unlocked vehicle lock.

  As described above, in this embodiment, even when the vehicle door is opened and closed while the vehicle door is opened and closed, the engine is operating, and the bidirectional communication portable device 12 is outside the vehicle, the bidirectional communication portable device 12 remains in the vehicle. Even if the vehicle starts and stops, if the two-way communication portable device 12 is not in the vehicle, it is determined that the vehicle has been stolen and the unlocking of the vehicle lock is impossible except by the remote vehicle unlocking means 53. Therefore, even if the user who has the two-way communication portable device 12 is stolen while the engine is operating, the vehicle door is opened and closed, the location of the two-way communication portable device 12 and the vehicle The vehicle lock can be unlocked by starting and stopping, and the vehicle lock cannot be unlocked during theft.

  In the present embodiment, the start and stop of the vehicle are confirmed by the vehicle speed detected by the vehicle speed detecting means 16, and the vehicle lock is locked if the two-way communication portable device 12 is not in the vehicle when the vehicle stops after the vehicle starts. Although the unlocking state is disabled, the engine speed detecting means 14 instead of the vehicle speed detecting means 16 makes the engine speed of the vehicle higher than a preset value (a higher value than when the vehicle is idling, for example, 1000 rpm). After confirming that the vehicle has started and then detecting that the engine operation has stopped, the vehicle lock may be set in an unlockable state when the two-way communication portable device 12 is not in the vehicle.

(Sixth embodiment)
Next, FIG. 13 is a figure which shows the vehicle antitheft system of the 6th Embodiment of this invention. Since the present embodiment is configured in substantially the same manner as the above-described fifth embodiment, the same reference numerals are given to the same configurations, and only characteristic portions will be described.

  The vehicle anti-theft system of this embodiment includes a password input unit 631 for a user to input a password and a password for unlocking a vehicle lock that cannot be unlocked when the result of user authentication by the input password is normal. It is provided with an in-vehicle password input type vehicle unlocking means 63 having an input vehicle unlocking unit 632, which detects theft by the open / close state of the vehicle door, the vehicle speed, and the location of the two-way communication portable device 12, The vehicle lock control means 62 makes the vehicle lock in an unlockable state that cannot be unlocked except by the in-vehicle password input type vehicle lock unlocking means 63, and the in-vehicle password input type vehicle lock unlocking means 63 unlocks the vehicle by inputting the password from inside the vehicle. It is characterized by locking.

  Specifically, as shown in the flowchart of FIG. 14, similarly to the above-described embodiment, the system control device 61 detects opening / closing of the vehicle door, and when the engine is operating, the two-way communication portable device is communicated. 12 are confirmed (S11 to S16).

  If the two-way communication portable device 12 is outside the vehicle, the opening / closing of the vehicle door is detected again. When the vehicle door is opened / closed, the location of the two-way communication portable device 12 is confirmed (S41 to S44).

  If the two-way communication portable device 12 is not present in the vehicle even if the vehicle starts and stops in a state where the two-way communication portable device 12 is not present in the vehicle, the system control device 61 stops the vehicle unlocking function. A signal is transmitted to the vehicle lock control means 62 (S51-S57).

  Moving to the flowchart of FIG. 15, the system control device 61 monitors a user authentication request from the in-vehicle password input type vehicle unlocking means 62 (S71).

  When the vehicle lock control means 62 receives the vehicle unlocking function stop signal, the vehicle lock control means 62 puts the vehicle lock in a state in which the vehicle lock cannot be unlocked from other than the in-vehicle password input type vehicle lock unlocking means 63.

  Then, the user who wants to unlock the vehicle lock inputs the password from the password input unit 631 of the in-vehicle password input type vehicle lock unlocking means 63.

  When the password is input, the password input unit 631 of the in-vehicle password input type vehicle unlocking means 63 sends the input password to the password input vehicle unlocking unit 632.

  When receiving the password, the password input vehicle unlocking unit 632 of the in-vehicle password input type vehicle unlocking means 63 transmits a user authentication request including the received password to the system control device 61.

  When the system control device 61 receives the user authentication request from the in-vehicle password input type vehicle unlocking means 63, the system control device 61 passes the password included in the user authentication request to the authentication means 511, and performs user authentication in the same manner as in the above-described embodiment. (S59), and transmits the authentication result to the in-vehicle password input type vehicle unlocking means 63 (S72).

  Upon receiving the authentication result, the password input vehicle lock / unlock unit 632 of the in-vehicle password input type vehicle lock / unlock unit 63 determines the authentication result, and ends the process if the authentication result is not normal.

  If the authentication result is normal, the unlocked vehicle lock is unlocked.

  As described above, in this embodiment, when the vehicle door is opened and closed, the engine is operating, and the two-way communication portable device 12 is outside the vehicle, the two-way communication portable device 12 remains in the vehicle even when the vehicle door is opened and closed. Even if the vehicle starts and stops, if the two-way communication portable device 12 is not in the vehicle, it is determined that the vehicle is stolen and it is impossible to unlock the vehicle lock from other than the in-vehicle password input type vehicle unlocking means 63. Therefore, even if the user with the two-way communication portable device 12 is stolen while the engine is operating and the vehicle is stolen, the opening / closing of the vehicle door and the two-way communication portable device 12 The location and the start and stop of the vehicle make it impossible to unlock the vehicle lock, and the vehicle lock cannot be unlocked during theft.

  In the present embodiment, the start and stop of the vehicle are confirmed by the vehicle speed detected by the vehicle speed detecting means 16, and the vehicle lock is locked if the two-way communication portable device 12 is not in the vehicle when the vehicle stops after the vehicle starts. Although the unlocking state is disabled, the engine speed detecting means 14 instead of the vehicle speed detecting means 16 makes the engine speed of the vehicle higher than a preset value (a higher value than when the vehicle is idling, for example, 1000 rpm). After confirming that the vehicle has started and then detecting that the engine operation has stopped, the vehicle lock may be set in an unlockable state when the two-way communication portable device 12 is not in the vehicle.

(Seventh embodiment)
Next, FIG. 16 is a figure which shows the vehicle antitheft system of the 7th Embodiment of this invention. Since the present embodiment is configured in substantially the same manner as the first and fifth embodiments described above, the same reference numerals are given to the same configurations, and only characteristic portions will be described.

  The vehicle antitheft system of this embodiment includes engine forced stop means 72 for forcibly stopping the engine of the vehicle, and has been stolen by the open / close state of the vehicle door, the vehicle speed, and the location of the two-way communication portable device 12. Is detected, and the vehicle engine is forcibly stopped.

  Specifically, as shown in the flowchart of FIG. 17, as in the above-described embodiment, the system control device 71 detects the opening / closing of the vehicle door, and if the engine is operating, the two-way communication portable device is communicated. 12 are confirmed (S11 to S16).

  If the two-way communication portable device 12 is outside the vehicle, the opening / closing of the vehicle door is detected again. When the vehicle door is opened / closed, the location of the two-way communication portable device 12 is confirmed (S41 to S44).

  If the vehicle starts and stops in a state where the two-way communication portable device 12 is not present in the vehicle, it is determined whether the two-way communication portable device 12 is present in the vehicle (S51 to S56).

  If the two-way communication portable device 12 is not present in the vehicle, the system control device 71 transmits an engine stop signal to the engine forced stop means 72 (S81).

  When the engine forced stop means 72 receives the engine stop signal, it performs an operation for forcibly stopping the engine.

  As described above, in this embodiment, when the vehicle door is opened and closed, the engine is operating, and the two-way communication portable device 12 is outside the vehicle, the two-way communication portable device 12 remains in the vehicle even when the vehicle door is opened and closed. Even if the vehicle starts and stops, if the two-way communication portable device 12 is not in the vehicle, it is determined that the vehicle is stolen and the engine is forcibly stopped, so the user who has the two-way communication portable device 12 Even if the vehicle is stolen while it is out of the vehicle with the engine running, the engine can be forcibly stopped by opening and closing the vehicle door, the location of the two-way communication portable device 12, and starting and stopping the vehicle. The vehicle can be kept stationary during theft.

  In the present embodiment, the start and stop of the vehicle are confirmed based on the vehicle speed detected by the vehicle speed detection means 16, and the engine is forced if the two-way communication portable device 12 is not in the vehicle when the vehicle stops after the vehicle starts. Although the vehicle has stopped, it is detected by the engine operation detection means 14 instead of the vehicle speed detection means 16 that the vehicle engine speed has become higher than a preset value (a higher value than when the vehicle is idling, for example, 1000 rpm). After confirming the start of the vehicle, when it is detected that the engine operation has stopped, the engine may be forcibly stopped when the two-way communication portable device 12 is not in the vehicle.

(Eighth embodiment)
Next, FIG. 18 is a figure which shows the vehicle antitheft system of the 8th Embodiment of this invention. Since the present embodiment is configured in substantially the same manner as the above-described seventh embodiment, the same components are denoted by the same reference numerals and only the characteristic portions will be described.

  The vehicle antitheft system according to the present embodiment includes a shift change blocking means 82 for blocking a vehicle shift change. The vehicle antitheft system detects that the vehicle has been stolen by the open / closed state of the vehicle door, the vehicle speed, and the location of the two-way communication portable device 12. It is characterized by detecting and preventing shift change of the vehicle.

  Specifically, as shown in the flowchart of FIG. 19, as in the above-described embodiment, the system control device 81 detects the opening / closing of the vehicle door, and if the engine is operating, the two-way communication portable device is communicated. 12 are confirmed (S11 to S16).

  If the two-way communication portable device 12 is outside the vehicle, the opening / closing of the vehicle door is detected again. When the vehicle door is opened / closed, the location of the two-way communication portable device 12 is confirmed (S41 to S44).

  If the vehicle starts and stops in a state where the two-way communication portable device 12 is not present in the vehicle, it is determined whether the two-way communication portable device 12 is present in the vehicle (S51 to S56).

  If the two-way communication portable device 12 is not present in the vehicle, the system control device 81 transmits a shift change prevention signal to the shift change prevention means 82 (S91).

  When the shift change prevention means 82 receives the shift change prevention signal, the shift change prevention means 82 performs an operation of preventing the shift change.

  As described above, in this embodiment, when the vehicle door is opened and closed, the engine is operating, and the two-way communication portable device 12 is outside the vehicle, the two-way communication portable device 12 remains in the vehicle even when the vehicle door is opened and closed. Even if the vehicle starts and stops, if the two-way communication portable device 12 is not in the vehicle, it is determined that the theft is stolen and the shift change is prevented. Even if the vehicle is stolen while it is out of the vehicle while operating, the shift change can be prevented by opening and closing the vehicle door, the location of the two-way communication portable device 12, and the start and stop of the vehicle. You can stop the movement of the vehicle.

  In the present embodiment, the start and stop of the vehicle are confirmed by the vehicle speed detected by the vehicle speed detection means 16, and when the vehicle stops after the vehicle starts, a shift change is made if the two-way communication portable device 12 is not in the vehicle. Although it has been blocked, the engine operation detecting means 14 instead of the vehicle speed detecting means 16 detects that the engine speed of the vehicle is higher than a preset value (a value higher than the idling time of the vehicle, for example, 1000 rpm). Then, after confirming the start of the vehicle, when it is detected that the engine operation has stopped, the shift change may be prevented when the two-way communication portable device 12 is not in the vehicle.

  Moreover, in each above-mentioned embodiment, although only the control of the vehicle lock was performed, you may make it control the luggage compartment door lock with a vehicle lock.

  As described above, the vehicle antitheft system according to the present invention has an effect that the security operation can be started without troublesome operations, and is useful as a vehicle antitheft system that prevents the vehicle from being stolen.

The block diagram of the vehicle antitheft system in the 1st Embodiment of this invention The flowchart for operation | movement description of the vehicle prevention system in the 1st Embodiment of this invention The block diagram of the vehicle antitheft system in the 2nd Embodiment of this invention The flowchart for operation | movement description of the vehicle prevention system in the 2nd Embodiment of this invention The block diagram of the vehicle antitheft system in the 3rd Embodiment of this invention The flowchart for operation | movement description of the vehicle prevention system in the 3rd Embodiment of this invention The block diagram of the vehicle antitheft system in the 4th Embodiment of this invention The flowchart for operation | movement description of the vehicle prevention system in the 4th Embodiment of this invention The flowchart for operation | movement description of the vehicle prevention system in the other aspect of the 4th Embodiment of this invention. The block diagram of the vehicle antitheft system in the 5th Embodiment of this invention First flowchart for explaining the operation of the vehicle prevention system according to the fifth embodiment of the present invention. The 2nd flow figure for operation explanation of the vehicle prevention system in a 5th embodiment of the present invention The block diagram of the vehicle antitheft system in the 6th Embodiment of this invention First flowchart for explaining the operation of the vehicle prevention system according to the sixth embodiment of the present invention. The 2nd flow figure for operation explanation of the vehicle prevention system in a 6th embodiment of the present invention The block diagram of the vehicle antitheft system in the 7th Embodiment of this invention The flowchart for operation | movement description of the vehicle prevention system in the 7th Embodiment of this invention The block diagram of the vehicle antitheft system in the 8th Embodiment of this invention Flow chart for explaining the operation of the vehicle prevention system according to the eighth embodiment of the present invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 System control apparatus 111 Outside-vehicle communication antenna 112 In-vehicle communication antenna 113 Communication means 114 Authentication means 115 Internal storage means 12 Two-way communication portable machine 13 Vehicle lock control means 14 Engine operation detection means 15 Door opening / closing state detection means 16 Vehicle speed detection means 21 System Control device 211 Communication means 22 Two-way communication portable device 31 System control device 311 Communication means 32 Two-way communication portable device 33 Engine stop means 41 System control device 42 Shift change prevention means 51 System control device 511 Authentication means 512 Internal storage means 52 Vehicle Lock control means 53 Remote vehicle unlocking means 61 System controller 62 Vehicle lock control means 63 In-car password input type vehicle unlocking means 631 Password input unit 632 Password input vehicle unlocking part 71 System controller 72 System forced stop means 81 System controller 82 Shift change prevention means 2 Public network

Claims (13)

A two-way communication portable device having a wireless two-way communication function; an authentication means for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device; and a door for detecting an open / closed state of a vehicle door An opening / closing state detecting means; an engine operation detecting means for detecting an operating state of the engine of the vehicle; and a vehicle lock control means for controlling locking and unlocking of the vehicle lock. The door opening / closing state detecting means opens the vehicle door. If the engine operating state detected by the engine operation detecting means is detected when the engine is detected to be closed, the location of the two-way communication portable device is confirmed by wireless communication and the authentication means And a control unit that locks the vehicle lock by the vehicle lock control unit when the two-way communication portable device that authenticates and the authentication result is normal exists outside the vehicle. Vehicle anti-theft system that. After the control means locks the vehicle lock, the vehicle lock control means unlocks the vehicle lock when receiving the vehicle unlock signal from the two-way communication portable device whose authentication result is normal. The vehicle antitheft system according to claim 1. A two-way communication portable device having a wireless two-way communication function; an authentication means for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device; and a door for detecting an open / closed state of a vehicle door An open / close state detection means, an engine operation detection means for detecting the operation state of the engine of the vehicle, and an engine stop means for stopping the operation of the engine, wherein the vehicle door is opened and closed by the door open / close state detection means. If the engine operating state detected by the engine operation detecting means is operating, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authenticating means. When the two-way communication portable device having a normal result exists outside the vehicle, an engine stop signal is received from the two-way communication portable device having the normal authentication result. Then, the vehicle anti-theft system, characterized in that it comprises a control means for stopping the engine by the engine stop means. A two-way communication portable device having a wireless two-way communication function; an authentication means for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device; and a door for detecting an open / closed state of a vehicle door An open / close state detecting means; an engine operation detecting means for detecting an operating state of the engine of the vehicle; and a shift change preventing means for preventing a shift change of the transmission. The vehicle door is opened and closed by the door open / close state detecting means. When the engine operating state detected by the engine operation detecting means is in operation, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means, The vehicle door is opened by the door open / close state detection means in a state where the two-way communication portable device having a normal authentication result exists outside the vehicle. And detecting the location of the two-way communication portable device by wireless communication and authenticating by the authentication means, and if the two-way communication portable device having a normal authentication result does not exist in the vehicle, A vehicle theft prevention system comprising control means for blocking shift changes by means of shift change blocking means. A two-way communication portable device having a wireless two-way communication function; an authentication means for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device; and a door for detecting an open / closed state of a vehicle door Open / close state detection means, engine operation detection means for detecting the operation state of the engine of the vehicle, vehicle lock control means for controlling locking and unlocking of the vehicle lock, vehicle speed detection means for detecting the vehicle speed, and a public network Remote vehicle unlocking means for unlocking the vehicle lock in an unlockable state according to the request, and when the door opening / closing state detecting means detects that the vehicle door is opened and closed, the engine If the engine operating state detected by the operation detecting means is operating, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authenticating means, and the authentication result is normal. When it is detected that the vehicle door is opened and closed by the door open / close state detection means in a state where the two-way communication portable device exists outside the vehicle, the location of the two-way communication portable device is confirmed by wireless communication and Authenticating with the authentication means, in the state where the two-way communication portable device whose authentication result is normal does not exist in the vehicle, confirming the start of the vehicle by the vehicle speed detected by the vehicle speed detection means and then confirming the stop of the vehicle, The location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means, and if the two-way communication portable device whose authentication result is normal does not exist in the vehicle, the vehicle lock control means causes the vehicle lock to be When the remote vehicle unlocking signal is received via the public network, the remote vehicle unlocking means receives the remote vehicle unlocking signal. Vehicle anti-theft system, characterized in that it comprises control means for the lock. A two-way communication portable device having a wireless two-way communication function; an authentication means for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device; and a door for detecting an open / closed state of a vehicle door Open / closed state detecting means, engine operation detecting means for detecting the operating state of the engine of the vehicle, vehicle lock controlling means for controlling locking and unlocking of the vehicle lock, vehicle speed detecting means for detecting the vehicle speed, and the input password In-vehicle password input type vehicle unlocking means for unlocking a vehicle lock in an unlockable state when authentication is normal, and user authentication for authenticating a password input to the in-vehicle password input type vehicle lock unlocking means An engine operating state detected by the engine operation detecting means is detected when the door opening / closing state detecting means detects that the vehicle door is opened and closed. If the gin is operating, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means, and the two-way communication portable device having a normal authentication result exists outside the vehicle. When the open / close state detecting means detects that the vehicle door is opened and closed, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means, and the two-way communication result is normal. When the start of the vehicle is confirmed by the vehicle speed detected by the vehicle speed detection means in a state where the communication portable device is not present in the vehicle, and then the stop of the vehicle is confirmed, the location of the two-way communication portable device is confirmed by wireless communication and If the two-way communication portable device is authenticated in the authentication means and the authentication result is normal, the vehicle lock is controlled by the vehicle lock control means and the in-vehicle password input type vehicle Vehicle anti-theft system, characterized in that it comprises a control means for unlocking impossible state can not be unlocked from the other unlocking means. A two-way communication portable device having a wireless two-way communication function; an authentication means for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device; and a door for detecting an open / closed state of a vehicle door Opening / closing state detecting means, engine operation detecting means for detecting the operating state of the engine of the vehicle, vehicle speed detecting means for detecting the vehicle speed, and engine forced stopping means for forcibly stopping the engine, the door opening / closing state detecting means When it is detected that the vehicle door has been opened and closed, if the engine operating state detected by the engine operation detecting means is operating, the location of the two-way communication portable device is confirmed by wireless communication. In addition, authentication is performed by the authentication means, and when the two-way communication portable device having a normal authentication result exists outside the vehicle, the door opening / closing state detection means When it is detected that the two-way communication portable device is opened and closed, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means, and the two-way communication portable device having a normal authentication result exists in the vehicle. In a state where the vehicle speed is not detected, the vehicle speed is detected by the vehicle speed detected by the vehicle speed detection unit, and then the stop of the vehicle is confirmed. Then, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication unit. A vehicle theft prevention system comprising: control means for forcibly stopping the engine by the engine forced stop means when the two-way communication portable device having a normal result is not present in the vehicle. A two-way communication portable device having a wireless two-way communication function; an authentication means for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device; and a door for detecting an open / closed state of a vehicle door An opening / closing state detecting means; an engine operation detecting means for detecting an operating state of the engine of the vehicle; a vehicle speed detecting means for detecting a vehicle speed; and a shift change preventing means for preventing a shift change of the transmission; If it is detected that the vehicle door is opened and closed by the means, and the engine operating state detected by the engine operation detecting means is the engine operating, the location of the two-way communication portable device is confirmed by wireless communication. In addition, the door is opened and closed in a state where the two-way communication portable device that is authenticated by the authentication means and has a normal authentication result exists outside the vehicle. When the detection means detects that the vehicle door is opened and closed, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means. When the start of the vehicle is confirmed based on the vehicle speed detected by the vehicle speed detection means in a state where the machine is not present in the vehicle, and then the stop of the vehicle is confirmed, the location of the two-way communication portable device is confirmed by wireless communication and the authentication means A vehicle theft prevention system comprising: control means for preventing a shift change by the shift change blocking means when the two-way communication portable device that is authenticated by the authentication and the authentication result is normal does not exist in the vehicle. A two-way communication portable device having a wireless two-way communication function; an authentication means for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device; and a door for detecting an open / closed state of a vehicle door Open / close state detection means, engine operation detection means for detecting the operation state of the engine of the vehicle, vehicle lock control means for controlling the locking and unlocking of the vehicle lock, Remote vehicle unlocking means for unlocking the vehicle lock, and when the door opening / closing state detecting means detects that the vehicle door is opened and closed, the engine operation detected by the engine operation detecting means If the engine is operating, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means, and the two-way communication portable device whose authentication result is normal is outside the vehicle. When it is detected that the vehicle door is opened and closed by the door open / closed state detection means, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means. In the state where the normal two-way communication portable device is not present in the vehicle, the engine speed is detected to be equal to or higher than the value set by the engine operation detecting means, and the start of the vehicle is confirmed. When the stop is detected, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means, and if the two-way communication portable device whose authentication result is normal does not exist in the vehicle, the vehicle lock control When the vehicle lock is made in a non-unlockable state that cannot be unlocked by means other than the remote vehicle unlocking means, and the remote vehicle unlocking signal is received via the public network, Vehicle anti-theft system, characterized in that it comprises a control means for unlocking the vehicle lock with serial remote vehicle lock unlocking means. A two-way communication portable device having a wireless two-way communication function; an authentication means for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device; and a door for detecting an open / closed state of a vehicle door Open / close state detection means, engine operation detection means for detecting the operation state of the vehicle engine, vehicle lock control means for controlling locking and unlocking of the vehicle lock, and when the authentication result by the input password is normal In-vehicle password input type vehicle unlocking means for unlocking a vehicle lock in an unlockable state, and user authentication means for authenticating a password input to the in-vehicle password input type vehicle lock unlocking means, When the door open / close state detecting means detects that the vehicle door is opened and closed, the engine operating state detected by the engine operation detecting means may be during engine operation. The location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means, and the two-way communication portable device whose authentication result is normal exists outside the vehicle by the door open / close state detection means. When it is detected that the door is opened and closed, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means, and the two-way communication portable device whose authentication result is normal is inside the vehicle. When the engine operation detecting means detects stop of the engine after detecting the engine speed equal to or higher than the value set by the engine operation detecting means in a non-existing state, the engine operation detecting means detects the stop of the engine. When the location is confirmed by wireless communication and authenticated by the authentication means, and the two-way communication portable device whose authentication result is normal does not exist in the vehicle, the vehicle lock Vehicle anti-theft system is a vehicle lock from outside the vehicle password type vehicle lock unlocking means, characterized in that it comprises a control means for unlocking impossible state can not be unlocked by means. A two-way communication portable device having a wireless two-way communication function; an authentication means for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device; and a door for detecting an open / closed state of a vehicle door An open / close state detection means; an engine operation detection means for detecting an operation state of the engine of the vehicle; and an engine forced stop means for forcibly stopping the engine. The vehicle door is opened and closed by the door open / close state detection means. If the engine operating state detected by the engine operation detecting means is in operation, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authenticating means. It is detected that the vehicle door is opened and closed by the door open / close state detecting means in a state where the two-way communication portable device having a normal result exists outside the vehicle. Then, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means, and the authentication result is set by the engine operation detection means in a state where the two-way communication portable device does not exist in the vehicle. And detecting the stop of the engine by the engine operation detecting means after detecting the engine speed equal to or greater than the determined value and confirming the location of the two-way communication portable device by wireless communication and the authentication means A vehicle antitheft system comprising: control means for forcibly stopping the engine by the engine forcible stop means when the two-way communication portable device that has been authenticated by the authentication and the authentication result is normal is not present in the vehicle. A two-way communication portable device having a wireless two-way communication function; an authentication means for authenticating the two-way communication portable device based on identification information acquired from the two-way communication portable device; and a door for detecting an open / closed state of a vehicle door An open / close state detecting means; an engine operation detecting means for detecting an operating state of the engine of the vehicle; and a shift change preventing means for preventing a shift change of the transmission. The vehicle door is opened and closed by the door open / close state detecting means. When the engine operating state detected by the engine operation detecting means is in operation, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means, The vehicle door is opened by the door open / close state detection means in a state where the two-way communication portable device having a normal authentication result exists outside the vehicle. When the two-way communication portable device is detected, the location of the two-way communication portable device is confirmed by wireless communication and authenticated by the authentication means, and the two-way communication portable device whose authentication result is normal is not present in the vehicle. After detecting the engine speed equal to or higher than the value set by the engine operation detecting means and confirming the start of the vehicle, when the engine operation detecting means detects the engine stop, the location of the two-way communication portable device is wirelessly communicated. And the control means for preventing the shift change by the shift change preventing means when the two-way communication portable device whose authentication result is normal is not present in the vehicle. Vehicle anti-theft system. Cargo door lock control means for controlling locking and unlocking of the cargo door is provided, and the control means locks and unlocks the cargo door by the cargo door lock control means when the vehicle lock is locked and unlocked. The vehicle antitheft system according to any one of claims 1 to 12, characterized in that:

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