WO2006067898A1 - 地図情報更新装置 - Google Patents
地図情報更新装置 Download PDFInfo
- Publication number
- WO2006067898A1 WO2006067898A1 PCT/JP2005/016960 JP2005016960W WO2006067898A1 WO 2006067898 A1 WO2006067898 A1 WO 2006067898A1 JP 2005016960 W JP2005016960 W JP 2005016960W WO 2006067898 A1 WO2006067898 A1 WO 2006067898A1
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- WIPO (PCT)
- Prior art keywords
- information
- map
- map information
- update
- chip
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
Definitions
- the present invention relates to a map information updating apparatus that receives the latest map information from the host station and updates the map information provided by itself.
- a conventional navigation apparatus has a map information storage means using a storage medium such as a CD-ROM or DVD-ROM, and is stored in these storage media! Etc. and voice guidance.
- a map information storage means using a storage medium such as a CD-ROM or DVD-ROM, and is stored in these storage media! Etc. and voice guidance.
- the user obtains the CD-ROM or DVD-ROM with the latest map information written on it, and replaces the storage medium installed in the device.
- map information is updated by replacing the storage medium in this way, a considerable time lag occurs in the update of the map information.
- This navigation device is provided with a modem connected to an external mobile phone as a communication means, and the CPU of the navigation device controls the mobile phone via the modem to connect and disconnect the line with the host station, and to transmit data. Transmitting and receiving. It also has a hard disk controlled by the CPU and stores map information on this hard disk. Connection with the host station is performed, for example, every week or every day when the car key SW is in the OFF state, and it is checked whether the updated map information is available at the host station. If there is necessary map information, the information is transferred and recorded on the hard disk (for example, see Patent Document 1).
- Patent Document 1 Japanese Patent Laid-Open No. 8-95488 (pages 3, 4 and FIG. 1)
- the present invention has been made to solve the above-described problems, and receives information related to the update of the IC chip force map information installed along the road, and the latest map based on this information.
- An object of the present invention is to obtain a map information updating apparatus that receives information from a host station and updates map information provided in, for example, a navigation apparatus.
- a map information updating apparatus receives IC chip information receiving means for receiving map update preliminary information indicating map information to be updated from an IC chip installed along a road, and receives map information from a host station.
- Map update information acquisition means control means for controlling the map update information acquisition means to receive map information corresponding to the map update preliminary information, and map update information acquisition of map information stored in the map information storage means
- Map information updating means for updating the map information received by the means.
- the IC chip information receiving means receives the map update preliminary information indicating the map information for updating the IC chip force installed along the road, and the map update information is acquired by the control of the control means. Since the means receives the map information corresponding to the map update preliminary information from the host station and is stored in the map information storage means !, it is configured to update the map information. There is an effect that it can be acquired and updated efficiently at any time.
- FIG. 1 is a block diagram showing a configuration of a map information updating apparatus according to Embodiment 1 of the present invention.
- FIG. 2 is an explanatory diagram showing how a vehicle equipped with the map information updating apparatus according to Embodiment 1 travels on a road.
- FIG. 3 is a flowchart showing the operation of the map information updating apparatus according to the first embodiment.
- FIG. 4 is an explanatory diagram showing a processing operation of the map information updating apparatus according to the first embodiment.
- FIG. 5 is an explanatory diagram showing map update preliminary information stored in an IC chip.
- FIG. 1 is a block diagram showing the configuration of the map information updating apparatus according to Embodiment 1 of the present invention.
- the illustrated apparatus is configured as a navigation apparatus including, for example, a position detecting unit that detects a current position using a GPS signal or the like, a display unit that displays a current position in a map image, and the like.
- FIG. 2 is an explanatory diagram showing a state in which a vehicle equipped with the map information updating apparatus according to the first embodiment travels on a road.
- the map information updating device shown in FIG. 1 is provided in the vehicle 20 in FIG.
- a CPU (control means) 1 for controlling the operation of this apparatus is connected to the map update information acquisition means 2.
- the map update information acquisition means 2 is connected to the antenna 3 and receives map information transmitted as radio communication data from the host station 21, for example, as shown in FIG. This map information can also be used as map image data and voice guide voice data. Further, the map update information acquisition means 2 is connected to the map information update means 4 and outputs the received map information to the map information update means 4.
- the map information update means 4 is connected to the map information storage means 5 and stores the map information input from the map update information acquisition means 2 in the map information storage means 5.
- the CPU 1 is connected to a RAM 6 used as a data processing work area, a map information output means 7 to be controlled, an IC chip information receiving means 9, and a position detecting means 11.
- the map information output means 7 is connected to the map information storage means 5 and inputs the map information stored in the map information storage means 5. Further, the map information output means 7 is connected to the display means 8 made up of, for example, a liquid crystal display device, a sound reproduction device, etc., and performs image reproduction such as a map and sound reproduction such as sound guide.
- the IC chip information receiving means 9 is connected to the antenna 10 and, for example, as shown in FIG. 2, a map update described later from an IC chip 24 embedded below the road surface of the road 22 or in a curb or installed in a street light 23. Receive preliminary information.
- the IC chip 24 transmits the map update preliminary information stored therein as a radio signal.
- the RF chip is provided in the RF tag. As described above, it is installed in underground facilities such as the ground below the road surface of the road 22, curbs, and street lamps 23.
- the position detection means 11 is for detecting the current position.
- the position detection means 11 is connected to the GPS antenna 12, receives GPS signals from a plurality of GPS satellites, generates data indicating the current position from these signals, and outputs the data to the CPU 1. To do.
- FIG. 3 is a flowchart showing the operation of the map information updating apparatus according to the first embodiment.
- the position detection means 11 controlled by the CPU 1 receives a GPS signal for each of a plurality of GPS satellite forces using the GPS antenna 12, and obtains data indicating the current position from the contents of each GPS signal by calculation, for example, a navigation device.
- the current position of the vehicle 20 equipped with is detected (step ST101).
- the CPU 1 inputs data indicating the current position obtained by the position detection means 11 to the map information output means 7.
- the map information output means 7 controlled by the CPU 1 reads the map information of the area corresponding to the data indicating the current position from the map information storage means 5 and uses the read map information and the data indicating the current position.
- Image data indicating the current position in the map image with a pointer is generated, and the image data and the audio data included in the map information corresponding to the image data are output to the display means 8. Display images and play sound.
- FIG. 4 is an explanatory view showing the processing operation of the map information updating apparatus according to the first embodiment.
- the CPU 1 monitors each element of the image data generated by the map information output means 7 and determines whether the current position of the vehicle 20 is off the road shown in the map as shown in FIG. Is determined (step ST102). This determination is made by comparing the data indicating the current position and the data indicating the road position included in the map information. If it is determined that the road is off the road shown on the map, the process returns to step ST101, and CPU 1 controls the operation of each means and repeats the subsequent processes. If it is determined that the road force shown in the map is off, the CPU 1 controls the IC chip information receiving means 9 and installs it along the currently traveling road 22 as shown in FIG. 2, for example. Has been Map update preliminary information is acquired from the IC chip 24 (step ST103).
- the IC chip information receiving means 9 controlled by the CPU 1 uses the antenna 10 to radiate a predetermined radio wave, for example, toward the curb of the running road 22 and is embedded in the curb. Read out the radio signal representing the map update preliminary information from chip 24.
- the IC chip information receiving means 9 is provided to a curb on the road as described above when the RF tag equipped with the IC chip 24 is equipped with a power source or the like to transmit signals such as radio waves. Receive radio signals transmitted from the RF tag without emitting radio waves.
- FIG. 5 is an explanatory diagram showing map update preliminary information stored in the IC chip.
- the map update preliminary information 30 illustrated in this figure also has a plurality of information capabilities related to the update of the map information used by the navigation device.
- the installation position of the IC chip 24 is expressed by latitude, longitude, etc.
- "Location” information, "node number” information indicating the base of the map information including the area where the IC chip 24 is installed, for example, "link” information indicating the relationship with the map information of other areas, the IC chip 24 “Version” information indicating the map information describing the road 22 where the road is installed, “update date” information indicating the date and time when the map update preliminary information 30 was written in the IC chip 24, and the like.
- the map update preliminary information 30 indicates the latest map information to be transmitted from the host station 21 when it is necessary to update the map information stored in the map information storage means 5 to the latest one.
- the CPU 1 inputs the map update preliminary information 30 from the IC chip information receiving means 9 and the data indicating the current position obtained from the GPS signal by the position detection means 11 to input the map update preliminary information 30 and the current position.
- the data shown is compared and collated, and whether or not the current position is a new road position is determined according to the result (step ST104). Specifically, it is determined whether or not the “position” information included in the map update preliminary information 30 and the data indicating the current position match. If they match, the current moving position is the position of the new road. It is determined that there is, and if it is not consistent, it is determined that it is new and not the position of the road.
- step ST104 If it is determined in step ST104 that the position is not a new road, the CPU 1 corrects the data indicating the current position, or controls the map information output means 7 to determine the position of the pointer pointing to the current position. The image is corrected so as to be overlaid (step ST105), the process returns to step ST101, and the subsequent processes are processed in the same manner. If it is determined in step ST104 that the position is a new road, the CPU 1 controls the map update information acquisition means 2 to start communication with the host station 21 (step ST106). The map update information acquisition means 2 establishes a communication path with the host station 21 via, for example, a wireless communication line. The CPU 1 sets the map information desired to be updated using the “node number” information, “version” information, etc.
- map update information acquisition means 2 performs the process of setting the map information to be requested to the host station 21 based on each information included in the map update preliminary information 30 based on the control of the CPU 1. Let's operate to request the host station 21 for the desired map information.
- the map information update means 4 inputs the latest map information received by the map update information acquisition means 2, controls the map information storage means 5, and stores the map information stored in the map information storage means 5. Update to the latest one (step ST108).
- the map information output means 7 reads the latest map information from the map information storage means 5 and uses the data indicating the current position output from the position detection means 11 based on the control of the CPU 1 as described above. Then, an image indicating the current position is displayed on the display means 8, and sound is output.
- steps ST101, ST102, ST 104, and ST105 can be omitted, and the latest map information can be received by operating from the step ST103.
- the IC chip information receiving means 9 is always installed along the road, and the map update preliminary information 30 is received from the IC chip 24 (step ST103).
- the CPU 1 controls the map update information acquisition means 2 to communicate with the host station 21 (step ST106), acquire the latest map information (step ST107), and map The map information stored in the information storage means 5 is updated to the latest one (step ST108).
- the IC chip information receiving means 9 receives the map update preliminary information 30 including the position information, the version information, etc. from the IC chip 24 installed along the road, Based on this map update preliminary information 30, the map update information acquisition means 2 is configured to receive the latest map information from the host station 21, so the latest map information is acquired promptly and when necessary.
- the map information stored in the map information storage means 5 can be updated efficiently.
- the map information updating apparatus receives the updated preliminary information from the IC chip and receives the latest map information from the host station, so that the latest map information can be quickly obtained. Also suitable for getting and updating efficiently when needed.
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Navigation (AREA)
- Traffic Control Systems (AREA)
- Instructional Devices (AREA)
Description
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004374129A JP2006178358A (ja) | 2004-12-24 | 2004-12-24 | 地図情報更新装置 |
JP2004-374129 | 2004-12-24 |
Publications (1)
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WO2006067898A1 true WO2006067898A1 (ja) | 2006-06-29 |
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PCT/JP2005/016960 WO2006067898A1 (ja) | 2004-12-24 | 2005-09-14 | 地図情報更新装置 |
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WO (1) | WO2006067898A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2433096A1 (de) | 2009-05-20 | 2012-03-28 | Continental Teves AG & Co. oHG | Einrichtung und verfahren zur zuordnung von neuen daten zu einer digitalen karte |
JP5631819B2 (ja) * | 2011-07-07 | 2014-11-26 | アルパイン株式会社 | ナビゲーション装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000205888A (ja) * | 1999-01-07 | 2000-07-28 | Hitachi Ltd | 位置・方位情報取得方法及び装置 |
JP2002170191A (ja) * | 2000-11-30 | 2002-06-14 | Hitachi Cable Ltd | 歩行者誘導ブロック情報入力装置 |
JP2004177330A (ja) * | 2002-11-28 | 2004-06-24 | Hitachi Ltd | 空間情報提供システム |
JP2004233174A (ja) * | 2003-01-30 | 2004-08-19 | Alpine Electronics Inc | ナビゲーション装置 |
JP2004341460A (ja) * | 2003-05-12 | 2004-12-02 | Masatoshi Ouchi | 地図表示方法および装置 |
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2004
- 2004-12-24 JP JP2004374129A patent/JP2006178358A/ja active Pending
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2005
- 2005-09-14 WO PCT/JP2005/016960 patent/WO2006067898A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000205888A (ja) * | 1999-01-07 | 2000-07-28 | Hitachi Ltd | 位置・方位情報取得方法及び装置 |
JP2002170191A (ja) * | 2000-11-30 | 2002-06-14 | Hitachi Cable Ltd | 歩行者誘導ブロック情報入力装置 |
JP2004177330A (ja) * | 2002-11-28 | 2004-06-24 | Hitachi Ltd | 空間情報提供システム |
JP2004233174A (ja) * | 2003-01-30 | 2004-08-19 | Alpine Electronics Inc | ナビゲーション装置 |
JP2004341460A (ja) * | 2003-05-12 | 2004-12-02 | Masatoshi Ouchi | 地図表示方法および装置 |
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