US20020032521A1 - Terminal apparatus for downloading map - Google Patents

Terminal apparatus for downloading map Download PDF

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Publication number
US20020032521A1
US20020032521A1 US09/949,924 US94992401A US2002032521A1 US 20020032521 A1 US20020032521 A1 US 20020032521A1 US 94992401 A US94992401 A US 94992401A US 2002032521 A1 US2002032521 A1 US 2002032521A1
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US
United States
Prior art keywords
map
terminal apparatus
exists
roads
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US09/949,924
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English (en)
Inventor
Kimiyoshi Machii
Shigeru Matsuo
Katsuaki Tanaka
Yoshinori Endo
Mariko Okude
Michio Morioka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Faurecia Clarion Electronics Co Ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Assigned to XANAVI INFORMATICS CORPORATION, HITACHI LTD. reassignment XANAVI INFORMATICS CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KATSUAKI, TANAKA, MACHII, KIMIYOSHI, MARIKO, OKUDE, MATSUO, SHIGERU, MICHIO, MORIOKA, YOSHINORI, ENDO
Publication of US20020032521A1 publication Critical patent/US20020032521A1/en
Priority to US10/438,102 priority Critical patent/US6885938B2/en
Priority to US11/076,998 priority patent/US7139663B2/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • G01C21/38—Electronic maps specially adapted for navigation; Updating thereof
    • G01C21/3885—Transmission of map data to client devices; Reception of map data by client devices
    • G01C21/3896—Transmission of map data from central databases
    • 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
    • G01C21/34—Route searching; Route guidance
    • 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
    • G01C21/34—Route searching; Route guidance
    • G01C21/36—Input/output arrangements for on-board computers
    • G01C21/3679—Retrieval, searching and output of POI information, e.g. hotels, restaurants, shops, filling stations, parking facilities

Definitions

  • the present invention relates to a terminal apparatus for downloading a map.
  • a navigation apparatus in which a map data is stored in a storage medium such as CD-ROM, and read, upon required, by driving the storage medium with a disk driver to retrieve a guidance path.
  • a place of departure and a destination are transmitted from a car-mounted server to an information center.
  • the information center retrieves a guidance path from the place of departure to the destination to transmit guidance path data and map data for displaying the guidance path to the car-mounted server.
  • the car-mounted server inputs the guidance path data and the map data into a navigation device.
  • the navigation device conducts path guidance, employing the guidance path data and the map data.
  • a document regarding a car navigation terminal apparatus and navigation method of this type is JP-A-2000-55682 specification or the like, for example.
  • a terminal apparatus in which a simple map is installed and when a map is desired, it is checked whether or not a map of a desired place exists in the simple map, and if it exists, the map of the desired place is loaded from the simple map, or if it does not exist, the map of the desired place is downloaded from a navigation server.
  • the simple map is a map composed of specific sorts of roads.
  • the specific sorts of roads include expressways and national roads.
  • the simple map is a rough map at lower level.
  • the simple map is a display map that does not include any map for retrieval.
  • a terminal apparatus in which a simple map is installed and when a map is desired, it is checked whether or not a map of a desired place exists in the simple map, and if it exists, the map of the desired place is loaded from the simple map and data for creating a guide map including a guidance point is downloaded from a navigation server, or if it does not exist, a small sectional map including a guidance point is downloaded from the navigation server.
  • the guide map involves data for guiding a travelling direction at a position permitting travelling in plural directions.
  • a terminal apparatus in which a simple map is installed and when a map is desired, it is checked whether or not a map of a current position is in the simple map, and if it exists, the current position map is loaded from the simple map, or if it does not exist, the current position map is downloaded from a navigation server.
  • a terminal apparatus in which a simple map comprising specific sorts of roads is installed and when a map is desired, if a car passes through the specific sorts of roads, the simple map is loaded, or if the car passes through any other road than the specific sorts of roads, a map of a current position is downloaded from a navigation server.
  • the specific sorts of roads comprises expressways and national roads.
  • a terminal apparatus in which a simple map is installed and when a map is desired, it is checked whether or not a map of a desired place exists in the simple map, and if it exists, the map of the desired place is loaded from the simple map, or if it does not exist, a remaining storable capacity of medium storing the simple maps is notified to a navigation server, and a map edited in accordance with the remaining storable capacity is downloaded from the navigation server.
  • a terminal apparatus in which a simple map is installed and when a map is desired, it is checked whether or not a map of a desired place exists in the simple map, and if it exists, the map of the desired place is loaded from the simple map, or if it does not exist, map data with flagged components is received from a navigation server.
  • FIG. 1 is a view showing a concept of a terminal apparatus according to the present invention
  • FIG. 2 is a view showing an example of the terminal apparatus according to the invention.
  • FIG. 3 is a flowchart when the terminal apparatus of the invention loads a map
  • FIG. 4 is an external view of an example of the terminal apparatus of the invention.
  • FIG. 5 is a view showing a software configuration for the terminal apparatus
  • FIG. 6 is a view showing a hardware configuration for the terminal apparatus
  • FIG. 7A is a diagram showing a map signal from a navigation server
  • FIG. 7B is a view showing a map displayed on a display
  • FIG. 8A is a diagram showing a retransmission map signal when there is an interruption in receiving the map from the navigation server
  • FIG. 8B is a view showing a map displayed on the display
  • FIG. 9 is a flowchart for receiving a map from the navigation server
  • FIG. 10 is a diagram showing an example of a management table of map data held by the terminal apparatus
  • FIG. 11 is a view showing the configuration of the navigation server of FIG. 2 and the terminal apparatus;
  • FIG. 12 is a flowchart when the terminal apparatus displays a map of a current position
  • FIG. 13 shows a selection screen for a car navigation service menu
  • FIG. 14 shows a selection screen for a destination set-up
  • FIG. 15 shows a selection screen for sports and leisure
  • FIG. 16 shows a selection screen for a tennis court
  • FIG. 17 is a screen showing a retrieved result
  • FIG. 18 is a road map around Hitachi citizens Athletic Park
  • FIG. 19 is a view showing an example of information that the terminal apparatus downloads as guidance point information;
  • FIG. 19A is a sectional map including a guidance point;
  • FIG. 19B is the guidance point data for producing a guide map including the guidance point;
  • FIG. 20 is a flowchart for determining whether or not a map is downloaded from the navigation server.
  • FIG. 21 is a flowchart for downloading a map edited in accordance with a remaining storable capacity of a medium for the simple map at the time of downloading a map from the navigation server.
  • FIG. 1 is a view showing a concept of a signal transmission and receiving system including a terminal apparatus according to the present invention.
  • Reference numeral 101 denotes a broadcasting satellite.
  • Reference numeral 102 denotes a navigation server (hereinafter simply referred to as a navi server).
  • Reference numeral 103 denotes an Internet.
  • Reference numeral 104 denotes a telephone.
  • Reference numeral 105 denotes a PC at a store or in a house.
  • Reference numeral 106 denotes a terminal apparatus.
  • Reference numeral 107 denotes a car with the terminal apparatus 106 installed.
  • the terminal apparatus 106 is connected to the Internet 103 to download via the PC at the store or in the house.
  • a portable telephone may be used to download at an outside.
  • a memory card 201 storing the simple maps may be bought and inserted into the terminal apparatus 106 to download.
  • the simple map means any one of the following three items, or a combination thereof.
  • Maps made up of principal roads consisting of the specific sorts of roads, for example, expressways and national roads.
  • FIG. 3 is a flowchart when the terminal apparatus loads the map.
  • coordinates (latitude and longitude) of a desired place is decided (S 301 ).
  • a management table e.g., a management table of FIG. 10.
  • S 303 it is checked whether or not there exists a map. If there is a map, the map is loaded from the memory card 201 at hand or provided in the terminal apparatus 106 of FIG. 2 (S 304 ). If not, map data is downloaded from the navi server 102 of FIG. 2.
  • the decision of the coordinates (latitude and longitude) in FIG. 3 basically is measured by a GPS receiver 406 shown in FIG. 4.
  • the map displayed on a screen of the car-navigator is scrolled in accordance with a car position.
  • the latitude and longitude of the current place are transmitted to the navi server 102 to download the map.
  • the latitude and longitude of the car position are transmitted to the navi server 102 to download the map, which is shown in a flowchart of FIG. 12.
  • a storage area for storing the management table is stored in the memory card 201 .
  • the memory card 201 also stores the map. While the software of the terminal apparatus 106 is being executed, the management table may be directly read from the memory card 201 , or loaded into a DRAM 607 of FIG. 6.
  • a determination whether or not the map exists at step S 303 in FIG. 3 is performed by the software of the terminal apparatus 106 .
  • the software of the terminal apparatus 106 Specifically, it is a plug-in 501 of FIG. 5.
  • a browser 502 receives an HTML file with map data name written, then the map data is received by the plug-in 501 , and the plug-in 501 is activated to process the map data.
  • a determination whether or not the map exists is performed by the software (plug-in 501 ).
  • the terminal apparatus 106 comprises a terminal apparatus main body 401 , a display 402 , a portable telephone 403 , a memory card slot 404 provided in the terminal apparatus main body 401 , a remote controller 405 , and a GPS (Global Positioning System) receiver 406 .
  • the memory card 201 shown in FIG. 2 is inserted into the memory card slot 404 .
  • the GPS receiver 406 measures its own position by communicating a signal with the GPS satellite 451 (S 1201 ). It is checked whether or not the map at the current place exists in the terminal apparatus (S 1202 ). If it exists, the map at the current place is displayed (S 1206 ).
  • a communication confirmation screen with the navi server is displayed (S 1203 ), and it is checked whether or not the communication is made (S 1204 ). If the answer is yes, the map at the current place is downloaded from the navi server (S 1205 ), and the map at the current place is displayed (S 1206 ).
  • reference numeral 501 denotes a plug-in.
  • Reference numeral 502 denotes a browser.
  • Reference numeral 503 denotes a 3D graphics library.
  • Reference numeral 504 denotes a remote control driver.
  • Reference numeral 505 denotes an RS 232 C driver.
  • Reference numeral 506 denotes a portable telephone driver.
  • Reference numeral 507 denotes a voice decoder.
  • Reference numeral 508 denotes a CF card driver.
  • Reference numeral 509 denotes an OS.
  • the browser 502 If a power of the terminal apparatus 106 is turned on, firstly, the browser 502 is activated. In this state, if the terminal apparatus 106 receives a signal from the remote controller 405 , the remote control driver 504 interprets the signal. If the signal is a request for downloading data from a server on the Internet, for example, the browser 502 makes access to an appropriate server to download the data. In accordance with its data, the browser 502 activates an appropriate plug-in 501 to display the data, so that the user can inspect the data.
  • the terminal apparatus 106 employs the portable telephone 403 to make access to the server.
  • the portable telephone driver 506 controls the portable telephone 403 .
  • the voice decoder 507 can reproduce the voice data.
  • the plug-in 501 employing the function of the voice decoder 507 is activated to reproduce the voice data.
  • reference numeral 601 denotes a CPU.
  • Reference numeral 602 denotes an RS- 232 C driver.
  • Reference numeral 604 denotes a PDC driver.
  • Reference numeral 605 denotes a memory card I/F.
  • Reference numeral 606 denotes a flash memory.
  • Reference numeral 607 denotes a DRAM.
  • Reference numeral 608 denotes an NTSC encoder.
  • Reference numeral 609 denotes a graphics memory.
  • Reference numeral 610 denotes a graphics processor.
  • the CPU 601 is a processor for controlling the terminal apparatus 106 as a whole.
  • the RS- 232 C driver 602 is employed to connect with an external device having an RS- 232 C interface.
  • the remote control driver 603 serves to receive a signal from the remote controller.
  • the PDC driver 604 controls communication employing a mobile telephone such as a portable telephone.
  • the memory card I/F 605 controls input and output of the data into and from the memory card 201 inserted into the memory card slot 404 .
  • the flash memory 606 stores a program for activating the terminal apparatus 106 .
  • the flash memory 606 is a non-volatile memory, in which the contents are not lost even after the power of the terminal apparatus 106 is turned off. Accordingly, it is a suitable device for storing the program.
  • the DRAM 607 is a dynamic RAM, and employed as a main memory for the CPU 601 .
  • FIG. 7 is a diagram showing a state where a map is received from the navi server.
  • a map signal which is sent from the navi server 102 in FIG. 2, has a header 701 at the first location, a delimiter D 2 (a flag for the next 702 ), an expressway component 702 , a delimiter D 3 (a flag for the next 703 ), a national road component 703 , a delimiter D 4 (a flag for the next 704 ), and a prefectural road component 704 , as shown in FIG. 7A.
  • the prefectural road component 704 is attached with a sign x in FIG. 7A, whereby the terminal apparatus 106 in FIG. 7A cannot receive the prefectural road component 704 , resulting in an interruption. Therefore, a map including expressway alone can be displayed on the display unit.
  • the registered place information section 1104 manages the places that the user has registered.
  • the navi server 102 can also provide a function of registering the place. For example, when the user drives to a certain place, the latitude and longitude, and name of the restaurant where the user dropped in are uploaded to the navi-sever 102 , and then the navi server 102 registers the place in the registered place information section 1104 . Thereafter, the user downloads the information of registered place from the registered place information section 1104 , and can set up the place as the destination or transfer place.
  • the registered places may be managed for each user or can be referred by other users.
  • FIG. 12 is a flowchart when the terminal apparatus displays a map of a current place.
  • the terminal apparatus 106 of FIG. 2 has the GPS receiver 406 , as shown in FIG. 4.
  • the GPS receiver 406 measures its current place (S 1201 ). Then, it is checked whether or not a map at the current place exists in the terminal apparatus (S 1202 ). If the answer is yes, the map at the current position is displayed (S 1206 ). If the answer is no, a communication confirmation screen with the navi server is displayed (S 1203 ). And it is checked whether or not communication is made (S 1204 ). If the answer is no, the procedure is ended. If the answer is yes, the map at the current place is downloaded from the navi server (S 1205 ), and the map at the current place is displayed (S 1206 ).
  • FIG. 13 is a selection screen of car navigation service menu.
  • a selection screen 1301 of the car navigation service menu is a display screen of the display 402 of FIG. 4, and displays destination setting, route confirmation, place registration, Internet and setting as the car navigation service menu.
  • FIG. 14 is a selection screen of the destination setting.
  • the selection screen 1401 for the destination setting is a next selection screen when the destination setting is selected in the selection screen 1301 of FIG. 13.
  • the selective items of destination setting include car & drive, sports & leisure, sightseeing, shopping, eating and drinking, lodging, and transportation.
  • FIG. 16 is a selection screen of the tennis court.
  • the selection screen 1601 of the tennis court is a next selection screen when the tennis court is selected in the selection screen 1501 of FIG. 15.
  • the selective items of tennis court include Hokkaido, Aomori Prefecture, Iwate Prefecture, Akita Prefecture, Miyagi Prefecture, Yamagata Prefecture, Fukushima Prefecture and Ibaragi Prefecture.

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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)
  • Databases & Information Systems (AREA)
  • Navigation (AREA)
  • Instructional Devices (AREA)
  • Traffic Control Systems (AREA)
  • Telephonic Communication Services (AREA)
US09/949,924 2000-09-13 2001-09-12 Terminal apparatus for downloading map Abandoned US20020032521A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US10/438,102 US6885938B2 (en) 2000-09-13 2003-05-15 Terminal apparatus for downloading map
US11/076,998 US7139663B2 (en) 2000-09-13 2005-03-11 Terminal apparatus for downloading map

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000-283794 2000-09-13
JP2000283794A JP4490566B2 (ja) 2000-09-13 2000-09-13 端末装置およびナビゲーションサーバ

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US10/438,102 Continuation US6885938B2 (en) 2000-09-13 2003-05-15 Terminal apparatus for downloading map

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US20020032521A1 true US20020032521A1 (en) 2002-03-14

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US09/949,924 Abandoned US20020032521A1 (en) 2000-09-13 2001-09-12 Terminal apparatus for downloading map
US10/438,102 Expired - Lifetime US6885938B2 (en) 2000-09-13 2003-05-15 Terminal apparatus for downloading map
US11/076,998 Expired - Fee Related US7139663B2 (en) 2000-09-13 2005-03-11 Terminal apparatus for downloading map

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US10/438,102 Expired - Lifetime US6885938B2 (en) 2000-09-13 2003-05-15 Terminal apparatus for downloading map
US11/076,998 Expired - Fee Related US7139663B2 (en) 2000-09-13 2005-03-11 Terminal apparatus for downloading map

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US (3) US20020032521A1 (enExample)
EP (1) EP1189030B1 (enExample)
JP (1) JP4490566B2 (enExample)
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US7139663B2 (en) 2006-11-21
JP2002090162A (ja) 2002-03-27
US20030204307A1 (en) 2003-10-30
EP1189030B1 (en) 2008-09-17
EP1189030A3 (en) 2004-09-22
US20050159887A1 (en) 2005-07-21
US6885938B2 (en) 2005-04-26
EP1189030A2 (en) 2002-03-20
JP4490566B2 (ja) 2010-06-30

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