(19) United States
`(12) Patent Application Publication (10) Pub. No.: US 2003/0160692 A1
`(43) Pub. Date:
`Aug. 28, 2003
`Nonaka
`
`US 2003O160692A1
`
`(54) ANTITHEFTAPPARATUS, ANTITHEFT
`SYSTEM, ANTITHEFT METHOD AND
`PROGRAM THEREFOR
`(75) Inventor: Yoshiya Nonaka, Saitama (JP)
`Correspondence Address:
`MORGAN LEWIS & BOCKUS LLP
`1111 PENNSYLVANIAAVENUE NW
`WASHINGTON, DC 20004 (US)
`(73) Assignee: PIONEER CORPORATION
`(21) Appl. No.:
`10/315,944
`(22) Filed:
`Dec. 11, 2002
`(30)
`Foreign Application Priority Data
`
`Dec. 14, 2001 (JP).................................... P2001-381679
`
`Publication Classification
`
`(51) Int. Cl. ................................................... G08B 1/08
`(52) U.S. Cl. ....................... 340/539.11; 340/5.2; 340/5.8
`
`(57)
`
`ABSTRACT
`
`A vehicle is equipped with an electronic device having a
`micro-computer which controls the operations of a playback
`unit for playing back Sound data, and So on. A wireleSS unit
`is connected to the micro-computer. When an authentication
`code from an authentication transceiver is not received by
`the wireleSS unit or does not coincide with owner's Specific
`authentication data Stored in the electronic device in the
`condition that the electronic device is made operative by
`electric power Supplied from the vehicle, information indi
`cating occurrence of an abnormality is output.
`
`
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`MICRO
`COMPUTER
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`POWER SUPPLY
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`
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`POWERSUPPY
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`
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`SECURITY
`TERMINAL
`COMPUTER
`
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`Patent Application Publication Aug. 28, 2003 Sheet 1 of 5
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`US 2003/0160692 A1
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`Patent Application Publication Aug. 28, 2003 Sheet 2 of 5
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`US 2003/0160692 A1
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`FIG.2
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`LOCATION INFORMATION DB
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`REGISTRATION
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`DATE
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`UPDATE |
`TIME
`17:00
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`LOCATION INFORMATION
`LATITUDE | LONGITUDE
`N35/43/08
`E142/38/13
`N35/40/12
`E140/33/17
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`H ...
`EEE
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`Patent Application Publication Aug. 28, 2003 Sheet 3 of 5
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`Patent Application Publication Aug. 28, 2003 Sheet 4 of 5
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`US 2003/0160692 A1
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`Patent Application Publication Aug. 28, 2003 Sheet 5 of 5
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`US 2003/0160692 A1
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`US 2003/O160692 A1
`
`Aug. 28, 2003
`
`ANTITHEFTAPPARATUS, ANTITHEFT SYSTEM,
`ANTITHEFT METHOD AND PROGRAM
`THEREFOR
`0001. The present disclosure relates to the subject matter
`contained in Japanese Patent Application No.2001-381679
`filed on Dec. 14, 2001, which is incorporated herein by
`reference in its entirety.
`
`BACKGROUND OF THE INVENTION
`0002) 1. Field of the Invention
`0003. The present invention relates to antitheft apparatus,
`an antitheft System, an antitheft method and a program
`therefor, by which a movable body or the like can be
`prevented from being Stolen.
`0004 2. Description of the Related Art
`0005. A configuration, for example, as shown in a block
`diagram of FIG. 5 has been heretofore known as antitheft
`apparatus of this type. The antitheft apparatus 41 shown in
`FIG. 5 is attached to a movable body, for example, a vehicle
`42 Such as an automobile. The antitheft apparatus 41 has an
`electronic device 43 Such as an audio apparatus or a navi
`gation System apparatus, a motion Sensor 44, window break
`Sensors 45, door unlock Sensors 46, and door open/shut
`sensors 47. The electronic device 43 includes a device body
`48, a detachable grill panel 49 as an operation unit which can
`be attached to and detached from the device body 48, a
`Speaker 50, and a display unit 51 Such as a liquid-crystal
`display unit.
`0006 The device body 48 has a micro-computer 52, an
`amplifier 53, and a playback unit not shown but for reading
`an information signal Stored in a recording medium Such as
`a CD (Compact Disk), applying predetermined signal pro
`cessing to the information signal and Supplying the pro
`cessed information signal to the amplifier 53 or the display
`unit. The micro-computer 52 is provided to control the
`operations of the amplifier 53, the display unit, the playback
`unit, etc. The amplifier 53 amplifies an audio signal Supplied
`from the playback unit and Subjected to the Signal proceSS
`ing, and Supplies the amplified audio signal to the Speaker
`50. Further, the amplifier 53 generates sound data such as
`alarm Sound on the basis of control of the micro-computer
`52 and supplies the sound data to the speaker 50.
`0007. The device body 48 is made operative by electric
`power Supplied from an accessory (Acc) power Supply 55
`and a backup (BackUP) power supply 56 both mounted in
`the vehicle 42. Incidentally, an accessory Switch (Acc
`switch) 58 is provided in a power supply line 57 which
`connects the Acc power supply 55 and the device body 48
`to each other. A backup switch 60 is provided in a power
`supply line 59 which connects the backup power supply 56
`and the device body 48 to each other.
`0008. When a passenger of the vehicle 42 turns on the
`Acc Switch 58, the backup switch 60 is turned off in
`synchronism with the turning-on of the Acc Switch 58 so that
`the device body 48 is supplied with electric power from the
`Acc power Supply 55. On the other hand, when a passenger
`of the vehicle 42 turns off the Acc Switch 58, the backup
`Switch 60 is turned on in synchronism with the turning-off
`of the Acc Switch 58 so that the device body 48 is supplied
`with electric power from the backup power supply 56.
`
`Incidentally, when the vehicle 42 is at a standstill, electric
`power from the backup power Supply 56 is Supplied only to
`the micro-computer 52 of the device body 48.
`0009. The speaker 50 outputs the audio signal or sound
`data Supplied from the amplifier 53 as sound. The display
`unit displays the information Supplied from the playback
`unit on the basis of control of the micro-computer 52 as an
`image on a display panel Such as a liquid-crystal display
`panel. When, for example, the electronic device 43 is a
`navigation System apparatus, map information or the like
`Supplied from the playback unit is displayed on the display
`panel.
`0010. The detachable grill panel 49 has various kinds of
`operation Switches. The detachable grill panel 49 can be
`attached to and detached from the device body 48 by an
`attachment/detachment mechanism not shown but provided
`in the device body 48. Further, a connection terminal not
`shown is provided in the detachable grill panel 49 so that the
`detachable grill panel 49 can be electrically connected to the
`device body 48 through the connection terminal. That is,
`when the detachable grill panel 49 is attached to the device
`body 48, the connection terminal is connected to a connec
`tion terminal of the device body 48 to thereby electrically
`connect the detachable grill panel 49 to the device body 48.
`0011
`Electric power from the device body 48 is supplied
`to the detachable grill panel 49 through the connection
`terminal to thereby make the detachable grill panel 49
`operative. When a passenger of the vehicle 42 operates an
`operation Switch in the operative state of the detachable grill
`panel 49, an operation signal corresponding to the operation
`is supplied to the device body 48 through the connection
`terminal. In this manner, various kinds of operations for the
`playback unit or the like can be carried out.
`0012 Further, a detachment sensor not shown is provided
`in the connection terminal So that attachment/detachment of
`the detachable grill panel 49 to/from the device body 48 can
`be detected by the detachment Sensor. The micro-computer
`52 recognizes attachment/detachment of the detachable grill
`panel 49 to/from the device body 48 by acquiring detection
`by the detachment Sensor. Incidentally, the detachable grill
`panel 49 is detached from the device body 48 when the
`passenger of the vehicle 42 gets out of the vehicle 42.
`Because the electronic device 43 is disabled from being
`used, the electronic device 43 is prevented from being
`Stolen.
`0013 The motion sensor 44 detects suspicious (abnor
`mal) motion of the vehicle 42. For example, the motion
`Sensor 44 is provided in a Suspension of the vehicle 42.
`Generally, the motion Sensor 44 manages, as data, the level
`of vibration, etc. Suffered by the vehicle 42 at a standstill
`with the passenger's operation of getting on/off the vehicle
`42. When the motion sensor 44 detects that the vehicle 42
`Suffers vibration exceeding the level, Such as Vibration
`generated in the case where the front or rear portion of the
`vehicle is lifted up, the motion Sensor 44 makes a decision
`that this motion is Suspicious (abnormal) motion and outputs
`a detection Signal to the micro-computer 52 of the electronic
`device 43.
`0014. The window break sensors 45 detect that a door
`Window pane, a front glass pane, a rear glass pane, and So
`on, not shown but provided in the vehicle 42 are broken. For
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`US 2003/O160692 A1
`
`Aug. 28, 2003
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`example, the window break sensors 45 are embedded in the
`door window pane, the front glass pane, the rear glass pane,
`and so on, respectively. When the window break sensors 45
`detect that those panes Suffer excessive external impact, the
`window break Sensors 45 make decisions that those panes
`are broken and output detection signals to the micro-com
`puter 52 of the electronic device 43.
`0.015 The door unlock sensors 46 detect that doors not
`shown but provided in the vehicle 42 are unlocked. For
`example, the door unlock Sensors 46 are provided in door
`locking mechanisms not shown but disposed in doors of the
`vehicle 42, so that the door unlock sensors 46 detect
`unlocking of the doors on the basis of the operations of the
`door locking mechanisms. Then, the door unlock Sensors 46
`output detection Signals to the micro-computer 52 of the
`electronic device 43.
`0016. The door open/shut sensors 47 detect that doors of
`the vehicle 42 are opened/shut. For example, the door
`open/shut Sensors 47 are provided in door opening/shutting
`mechanisms not shown but for opening/shutting the doors,
`So that the door open/shut Sensors 47 detect the opening/
`Shutting States of the doors on the basis of the operations of
`the door opening/shutting mechanisms. Then, the door open/
`shut Sensors 47 output detection signals to the micro
`computer 52 of the electronic device 43.
`0.017. In the antitheft apparatus 41, when the micro
`computer 52 of the electronic device 43 receives a detection
`Signal from any one of the motion Sensor 44 and the window
`break sensors 45, the micro-computer 52 makes a decision
`that an abnormality occurs in the vehicle 42 and controls the
`amplifier 53. The amplifier 53 generates audio data such as
`alarm Sound on the basis of control of the micro-computer
`52 and supplies the audio data to the speaker 50. The speaker
`50 outputs the audio data supplied from the amplifier 53 as
`Sound.
`Further, in the antitheft apparatus 41, when the
`0.018
`micro-computer 52 of the electronic device 43 receives a
`detection Signal from any one of the door unlock Sensors 46
`and the door open/shut Sensors 47, and recognizes that the
`detachable grill panel 49 is not attached to the device body
`48, that is, detection of attachment to the device body 48 by
`the detachment Sensor is not obtained even after a prede
`termined time has passed since turning-on-of-the Acc Switch
`58, the micro-computer 52 controls the amplifier 53 to
`output Sound Such as alarm Sound from the Speaker 50.
`0019. In this manner, the related-art antitheft apparatus
`41 outputs Sound Such as alarm Sound on the basis of the
`decision that an invader other than the legitimate owner of
`the vehicle 42 has gotten on the vehicle 42. Hence, the
`vehicle 42 which is a movable body or the electronic device
`43 mounted in the vehicle 42 is prevented from being stolen.
`0020. The vehicle 42 which is a movable body varies
`widely in accordance with the user taste and the form of
`use. Further, the door opening/shutting mechanisms and the
`door locking mechanisms vary in accordance with the kind
`of the vehicle 42. Hence, signals transmitted from the door
`unlock sensors 46 and the door open/shut sensors 47
`mounted in the mechanisms respectively are designed to
`vary in accordance with the kind of the vehicle 42 in
`advance. For this reason, it is very difficult to design and
`develop the related-art antitheft apparatuS 41 because a
`
`function for analyzing Such Signals varying in accordance
`with the kind of the vehicle 42 must be provided for versatile
`purposes in accordance with those signals.
`0021 AS described above, the related-art antitheft appa
`ratus 41 must be provided as Versatile antitheft apparatus in
`accordance with different Signals transmitted from door
`unlock Sensors 46 and door open/shut Sensors 47 in various
`kinds of vehicles 42. Hence, there is a problem that it is very
`difficult to design and develop the antitheft apparatus 41 of
`this type. In addition, there is concern that attachment of the
`antitheft apparatus 41 to the vehicle 42 may have to be given
`up in accordance with the kind of the vehicle 42.
`SUMMARY OF THE INVENTION
`0022. The invention is designed to solve the problem and
`an object of the invention is to provide antitheft apparatus,
`an antitheft System, an antitheft method and a program
`therefor, in which versatility can be achieved by a simple
`configuration.
`0023. According to a first aspect of the invention, there is
`provided An antitheft apparatus including a device attached
`to a movable body, operated by electric power Supplied from
`the movable body, and Storing an owner's Specific authen
`tication code, an authentication code Storage and transmis
`Sion unit capable of Storing an authentication code equiva
`lent to the owner's Specific authentication code and capable
`of transmitting a Signal of the authentication code to the
`device, an authentication code reception unit capable of
`receiving the Signal of the authentication code transmitted
`from the authentication code storage and transmission unit
`when the device is operative, and a control unit for making
`a decision that a legitimate owner of the movable body is
`using the movable body when the authentication code
`received by the authentication code reception unit coincides
`with the owner's Specific authentication code Stored in the
`apparatuS.
`0024. According to a second aspect of the invention, in
`the antitheft apparatus according to the first aspect, the
`device includes a device body operated by electric power
`Supplied from the movable body and an operation unit which
`can be attached to the device body and detached from the
`device body. The control unit makes a decision that the
`legitimate owner of the movable body is using the movable
`body when the authentication code received by the authen
`tication code reception unit coincides with the owner's
`Specific authentication code Stored in the device and the
`operation unit is attached to the device body.
`0025. According to a third aspect of the invention, the
`antitheft apparatus according to the first aspect further
`includes an abnormality occurrence output unit for output
`ting information indicating occurrence of an abnormality.
`The control unit controls the abnormality occurrence output
`unit to output the information when the control unit makes
`either a decision that the Signal of the authentication code
`transmitted from the authentication code Storage and trans
`mission unit is not received by the authentication code
`reception unit in a condition that the device is operative or
`a decision that the authentication code received by the
`authentication code reception unit does not coincide with the
`owner's Specific authentication code Stored in the device.
`0026. According to a fourth aspect of the invention, the
`antitheft apparatus according to the Second aspect further
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`includes an abnormality occurrence output unit for output
`ting information indicating occurrence of an abnormality.
`The control unit controls the abnormality occurrence output
`unit to output the information when the control unit makes
`a decision that the Signal of the authentication code trans
`mitted from the authentication code Storage and transmis
`Sion unit is not received by the authentication code reception
`unit in a condition that the device body is operative, a
`decision that the authentication code received by the authen
`tication code reception unit does not coincide with the
`owner's Specific authentication code Stored in the device
`body, or a decision that the operation unit is not attached to
`the device body.
`0.027 According to a fifth aspect of the invention, in the
`antitheft apparatus according to the third or fourth aspect,
`the abnormality occurrence output unit outputs the informa
`tion indicating occurrence of an abnormality as Sound.
`0028. According to a sixth aspect of the invention, in the
`antitheft apparatus according to the third or fourth aspect,
`the abnormality occurrence output unit outputs the informa
`tion indicating occurrence of an abnormality by transmitting
`the information to an external portion through a wireleSS
`transmission medium.
`0029. According to a seventh aspect of the invention, in
`the antitheft apparatus according to the Sixth aspect, the
`device has a function for acquiring location information
`indicating a current location of the movable body. The
`abnormality occurrence output unit transmits the location
`information in addition to the information indicating occur
`rence of an abnormality.
`0.030. According to an eighth aspect of the invention,
`there is provided an antitheft System having an antitheft
`apparatus including a device attached to a movable body,
`operated by electric power Supplied from the movable body,
`and Storing an owner's Specific authentication code, an
`authentication code Storage and transmission unit capable of
`Storing an authentication code equivalent to the owner's
`Specific authentication code and capable of transmitting a
`Signal of the authentication code to the device, an authen
`tication code reception unit capable of receiving the Signal
`of the authentication code transmitted from the authentica
`tion code Storage and transmission unit when the device is
`operative, a control unit for making a decision that a
`legitimate owner of the movable body is using the movable
`body when the authentication code received by the authen
`tication code reception unit coincides with the owner's
`Specific authentication code Stored in the apparatus, and an
`abnormality occurrence output unit for Outputting informa
`tion indicating occurrence of an abnormality, and an external
`Server which acquires information indicating occurrence of
`an abnormality from the antitheft apparatus and transmits
`the acquired information. The control unit controls the
`abnormality occurrence output unit to output the information
`when the control unit makes either a decision that the Signal
`of the authentication code transmitted from the authentica
`tion code Storage and transmission unit is not received by the
`authentication code reception unit in a condition that the
`device is operative or a decision that the authentication code
`received by the authentication code reception unit does not
`coincide with the owner's Specific authentication code
`Stored in the device.
`0031. According to a ninth aspect of the invention, there
`is provided an antitheft System having an antitheft apparatus
`
`including a device attached to a movable body, operated by
`electric power Supplied from the movable body, and Storing
`an owner's Specific authentication code, an authentication
`code Storage and transmission unit capable of Storing an
`authentication code equivalent to the owner's Specific
`authentication code and capable of transmitting a signal of
`the authentication code to the device, and having a function
`for acquiring location information indicating a current loca
`tion of movable body, an authentication code reception unit
`capable of receiving the Signal of the authentication code
`transmitted from the authentication code Storage and trans
`mission unit when the device is operative, a control unit for
`making a decision that a legitimate owner of the movable
`body is using the movable body when the authentication
`code received by the authentication code reception unit
`coincides with the owner's Specific authentication code
`Stored in the apparatus, and an abnormality occurrence
`output unit for Outputting information indicating occurrence
`of an abnormality and information indicating a current
`location of the movable body by transmitting the informa
`tion to an external portion through a wireleSS transmission
`medium, and an external Server which acquires information
`indicating occurrence of an abnormality and location infor
`mation indicating a current location of the movable body
`from the antitheft apparatus, consecutively updates the loca
`tion information acquired after acquisition of the informa
`tion indicating occurrence of an abnormality, and transmits
`the updated location information. The control unit controls
`the abnormality occurrence output unit to output the infor
`mation when the control unit makes either a decision that the
`Signal of the authentication code transmitted from the
`authentication code Storage and transmission unit is not
`received by the authentication code reception unit in a
`condition that the device is operative or a decision that the
`authentication code received by the authentication code
`reception unit does not coincide with the owner's Specific
`authentication code Stored in the device.
`0032. According to a tenth aspect of the invention, there
`is provided an antitheft method having the Steps of detecting
`that a device attached to a movable body is operated by
`electric power Supplied from the movable body, enabling
`reception of an authentication code transmitted from an
`external portion in a condition that the device is operative,
`and performing controlling to output information indicating
`occurrence of an abnormality when the authentication code
`transmitted from the external portion is not received in the
`condition that the device is operative or when the received
`authentication code does not coincide with an owner's
`Specific authentication code Stored in the device.
`0033 According to an eleventh aspect of the invention,
`there is provided an antitheft method having the Steps of
`detecting that a device body attached to a movable body and
`provided with an operation unit detachably attached to the
`device body is operated by electric power Supplied from the
`movable body, enabling reception of an authentication code
`transmitted from an external portion in a condition that the
`device body is operative, and performing controlling to
`output information indicating occurrence of an abnormality
`when the authentication code transmitted from the external
`portion is not received in the condition that the device body
`is operative, when the received authentication code does not
`coincide with an owner's Specific authentication code Stored
`in the device body, or when the operation unit is not attached
`to the device body.
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`0034. According to a twelfth aspect of the invention,
`there is provided an antitheft program causing a computer to
`perform an antitheft method having the Steps of detecting
`that a device attached to a movable body is operated by
`electric power Supplied from the movable body, enabling
`reception of an authentication code transmitted from an
`external portion in a condition that the device is operative,
`and performing controlling to output information indicating
`occurrence of an abnormality when the authentication code
`transmitted from the external portion is not received in the
`condition that the device is operative or when the received
`authentication code does not coincide with an owner's
`Specific authentication code Stored in the device.
`0035. According to a thirtennth aspect of the invention,
`there is provided an antitheft program causing a computer to
`perform an antitheft method having the Steps of detecting
`that a device body attached to a movable body and provided
`with an operation unit detachably attached to the device
`body is operated by electric power Supplied from the mov
`able body, enabling reception of an authentication code
`transmitted from an external portion in a condition that the
`device body is operative, and performing controlling to
`output information indicating occurrence of an abnormality
`when the authentication code transmitted from the external
`portion is not received in the condition that the device body
`is operative, when the received authentication code does not
`coincide with an owner's Specific authentication code Stored
`in the device body, or when the operation unit is not attached
`to the device body.
`
`BRIEF DESCRIPTION OF THE DRAWINGS
`0.036
`FIG. 1 is a schematic configuration view showing
`the overall configuration of an antitheft System according to
`an embodiment of the invention.
`0037 FIG. 2 is a typical view showing the structure of a
`database for accumulating acquired vehicle location infor
`mation in the embodiment.
`0.038
`FIG. 3 is a view showing a screen image based on
`the location information in the embodiment.
`0.039
`FIG. 4 is a flow chart for explaining operation in
`the embodiment.
`0040 FIG. 5 is a block diagram showing a antitheft
`apparatus according to a related art.
`
`DETAILED DESCRIPTION OF THE
`PREFERRED EMBODIMENTS
`0041 An embodiment of the invention will be described
`below with reference to the drawings.
`0.042
`FIG. 1 is a typical view showing the schematic
`configuration of an antitheft System according to this
`embodiment. In FIG. 1, the antitheft system 1 is a system
`which is achieved by a computer network technique Such as
`Internet or Intranet and which is provided for preventing a
`movable body such as a vehicle 2 or goods in the vehicle 2
`from being stolen. The antitheft system 1 has antitheft
`apparatus 5 mounted in the vehicle 2, and a Security network
`6.
`0043. The security network 6 includes a base station 8
`connected through a network 7 constituted by a communi
`cation circuit network Such as Intranet or Internet, an exter
`
`nal Server 9 installed in a Surveillance center, and a Security
`terminal computer 10 installed in a security center. The base
`Station 8 transmits information indicating occurrence of an
`abnormality and obtained from the antitheft apparatus 5
`(which will be described later), to the external server 9
`through the network 7. The external server 9 notifies the
`Security terminal computer 10 of the Security center, of the
`abnormality through the network 7. Incidentally, the security
`center may belong to a public organ Such as the police or
`may belong to a private organ Such as a Security company,
`that is, the Security center may belong to any organ coping
`with abnormalities.
`0044) The external server 9 has a processing unit not
`shown, a notifying unit, and a location information database
`which is shown in FIG. 2 and will be described later. The
`notifying unit outputs a signal for notifying the Security
`terminal computer 10 of the abnormality by wire or by
`wireless. Upon reception of information indicating occur
`rence of an abnormality from the base Station 8, the pro
`cessing unit controls the notifying unit to output the Signal
`for notification of the abnormality.
`0045. In the location information database, location
`information which is transmitted from the antitheft appara
`tus 5 through the base station 8 and which indicates the
`current location of the vehicle 2 is accumulated. AS shown
`in FIG. 2, the location information database is formed to
`have a structure in which latitude-longitude information
`indicating the current location of the vehicle 2 is recorded as
`one record corresponding to the Specific registration number
`of the vehicle 2 obtained from the vehicle 2. Each record is
`updated whenever current location information is acquired
`from the vehicle 2. As shown in FIG. 2, each record has a
`field for recording the registration number of the vehicle 2,
`a field for recording the update date, a field for recording the
`update time, and a field for recording the latitude-longitude
`information as location information. When information indi
`cating occurrence of an abnormality is transmitted from the
`base Station 8, location information transmitted together
`with this information is updated in real time. Then, the
`location information added to the Signal for notification of
`the abnormality is transmitted to the Security terminal com
`puter 10 of the security center on the basis of control of the
`processing unit.
`0046. A display unit not shown but for displaying map
`information as shown in FIG. 3 is provided in the security
`terminal computer 10 of the security center. The current
`location of the vehicle 2 is displayed while Superposed on
`the map information on the basis of the location information
`transmitted from the external server 9. Hence, the current
`location of the vehicle 2 which may be stolen can be grasped
`in real time, So that measures against theft can be taken
`quickly.
`0047. As shown in FIG. 1, the antitheft apparatus 5
`includes an electronic device 11, a motion Sensor 12, win
`dow break Sensors 13, an authentication transceiver 14 as an
`authentication code Storage and transmission unit, and a
`mobile communication terminal 15 Such as a cellular phone.
`0048. The electronic device 11 has a device body 16, a
`detachable grill panel 17 as an operation unit detachably
`attached to the device body 16, a speaker 18, and a display
`unit 19 Such as a liquid-crystal display or an organic EL
`display.
`
`IPR2022-00602
`Apple EX1050 Page 10
`
`

`

`US 2003/O160692 A1
`
`Aug. 28, 2003
`
`0049. For example, the device body 16 is disposed on a
`dash-board located between a driver's Seat not shown and an
`assistant driver's seat not shown in the vehicle 2. A GPS
`(Global Positioning System) receiver 22 for receiving elec
`tric wave from an artificial Satellite 21 is connected to the
`device body 16. The GPS receiver 22 has a GPS antenna 23,
`and a GPS sensor 24. Electric wave from the artificial
`satellite 21 is received through the GPS antenna 23. The
`GPS receiver 22 measures the current location of the vehicle
`2 on the basis of the state of the received electric wave
`received by the GPS sensor 24.
`0050. Further, the device body 16 is supplied with elec
`tric power from an accessory (Acc) power Supply 25 or a
`backup (BackUP) power supply 26 mounted in the vehicle
`2. Incidentally, an accessory Switch (Acc Switch) 28 is
`provided in a power Supply line 27a which connects the Acc
`power supply 25 and the device body 16. A backup switch
`29 is provided in a power supply line 27b which connects the
`backup power supply 26 and the device body 16.
`0051) When a vehicle key 30 which will be described
`later is operated to turn on the Acc Switch 28, the device
`body 16 is made operative and the backup Switch 29 is
`turned off. When the vehicle key 30 is further continuously
`operated, an engine not shown but provided in the vehicle 2
`starts. On the other hand, when the vehicle key 30 is
`operated to Stop the engine and turn off the Acc Switch 28,
`the backup Switch 29 is turned on. As a result, electric power
`from the backup power Supply 26 is Supplied to the device
`body 16, so that amplifier 32, speaker 18, micro-computer
`31 and so on which will be described later is made operative.
`0.052 The device body 16 has a micro-computer 31 as a
`control unit, an amplifier 32, a wireleSS unit 33 a