WO2006067855A1 - 先導経路案内システム、携帯型経路先導案内装置およびプログラム - Google Patents
先導経路案内システム、携帯型経路先導案内装置およびプログラム Download PDFInfo
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- WO2006067855A1 WO2006067855A1 PCT/JP2004/019359 JP2004019359W WO2006067855A1 WO 2006067855 A1 WO2006067855 A1 WO 2006067855A1 JP 2004019359 W JP2004019359 W JP 2004019359W WO 2006067855 A1 WO2006067855 A1 WO 2006067855A1
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- Prior art keywords
- route
- leading
- image
- guidance
- user
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/096877—Systems involving transmission of navigation instructions to the vehicle where the input to the navigation device is provided by a suitable I/O arrangement
- G08G1/096883—Systems involving transmission of navigation instructions to the vehicle where the input to the navigation device is provided by a suitable I/O arrangement where input information is obtained using a mobile device, e.g. a mobile phone, a PDA
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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
- 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
-
- 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
- G01C21/3626—Details of the output of route guidance instructions
- G01C21/3647—Guidance involving output of stored or live camera images or video streams
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/005—Traffic control systems for road vehicles including pedestrian guidance indicator
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/096805—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route
- G08G1/096811—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route where the route is computed offboard
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/096855—Systems involving transmission of navigation instructions to the vehicle where the output is provided in a suitable form to the driver
- G08G1/096861—Systems involving transmission of navigation instructions to the vehicle where the output is provided in a suitable form to the driver where the immediate route instructions are output to the driver, e.g. arrow signs for next turn
Definitions
- the present invention relates to a leading route guidance system using a portable route leading guidance device that can be carried by a user such as a mobile phone capable of guiding a route, a PDA (Personal Digital Assistance), and a notebook personal computer.
- a portable route leading guidance device that can be carried by a user
- a PDA Personal Digital Assistance
- the present invention relates to a leading route guidance system, a portable route leading guidance device, and a program that can provide route guidance even when the position of the mobile terminal cannot be specified.
- the technology to measure the current position of a mobile terminal equipped with a GPS receiver has been put into practical use in car navigation systems and communication-type navigation systems, and is capable of receiving signals from GPS satellites that are also improving the positioning accuracy. Therefore, the current situation is that it is suitable for positioning in underground malls and buildings.
- Patent Document 1 Japanese Patent Laid-Open No. 2002-109679.
- This location information providing service system configures a traveler's passage in a specific area as a passage network by physical means installed on the road, and enables wireless communication access to the nodes and terminal points of the passage network.
- This is an information providing system that is provided with information communication means and can provide information to travelers.
- the system further includes information on each node of the aisle network, terminal points and travelers.
- Each information communication means has an individual number, and an individual signal corresponding to the individual number is transmitted to the central processing unit and appropriately processed to generate a traveler's location information data base.
- This system provides travelers or third parties with the location information database using the location information database via the Internet.
- Patent Document 2 Japanese Patent Laid-Open No. 2003-344093 discloses a route guidance system that guides a route to a mobile terminal in a place where a GPS signal cannot be received, such as an underground shopping street.
- this route guidance system allows the operator as a pedestrian to properly recognize the current location even in places where it is difficult to recognize the current location, such as an underground shopping street, and makes it easy to route to the destination.
- the purpose is to enable understanding.
- this route guidance system is a route search unit for searching for an underground route based on map data, and a route guidance for creating guide data for guiding the searched underground route based on map data and guide signboard data. It is composed of a data creation unit and a transmission data creation unit that creates transmission data for displaying a character string of a guidance signboard on a display screen based on the created guidance data.
- Patent Document 3 Japanese Patent Laid-Open No. 2004-203405 also discloses an apparatus that obtains data from a guide sign and performs guidance.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2002-109679
- Patent Document 2 JP 2003-344093 A
- Patent Document 3 Japanese Patent Laid-Open No. 2004-20345
- the current position is obtained from a communication hand such as a terminal point, or when the current position is also obtained from a signboard, the installation of any force is installed in the aisle. It was necessary to do. Installation is possible within a limited range, but it is difficult to realize such maintenance in all places where traffic is possible in terms of cost and management.
- the present invention provides a leading route guidance system, a portable route leading guidance device, and a display device that can display route guidance that does not confuse the user due to the difference between the user's line of sight and the route guidance image.
- Providing a program is the first technical challenge.
- the present invention provides a leading route guidance system, a portable route leading guidance device, and a program capable of guiding a route without making a mistake even in a situation where a position cannot be obtained by GPS.
- the second technical issue is a leading route guidance system, a portable route leading guidance device, and a program capable of guiding a route without making a mistake even in a situation where a position cannot be obtained by GPS.
- the route guidance system (S) of the first invention includes route storage means (for example, route guidance data storage means: KC15B) for storing a route from the departure place to the destination,
- route storage means for example, route guidance data storage means: KC15B
- a route plan image including a route image (22) for specifying the route and a leading image (23) for leading the route by displaying a leading position of the route with respect to the current position of the user.
- route guidance image creation means (KC18)
- Walking detection means for detecting the user's walking
- Leading position updating means (KC16C) for updating the leading position according to the user's walking when the user's walking is detected;
- the walking detection means (KC4) detects the user's walking
- the leading position update means (KC16C) is used for walking the user.
- the leading position is updated accordingly.
- the route guidance image creation means (KC18) displays a route image (22) for specifying the route and a leading image (22) for guiding the route by displaying a leading position of the route ahead of the current position of the user. 23) and a route guidance image (24) is created.
- the display screen (11) displays the route guidance image (24).
- the user can guide the front in the traveling direction using the leading image (23). It is possible to display a signboard or a building in advance, and the user can confirm it. As a result, it is possible to reduce the user's confusion due to the difference between the user's line of sight and the route guidance image (24).
- the user's walking is detected and the leading position is updated. Therefore, even in a situation where it is impossible to obtain a position by GPS, guidance is performed without making a mistake in the route. can do. Furthermore, since the leading position is updated in response to the detection of walking, it is possible to reduce the leading position from being arbitrarily advanced.
- the route leading guidance system (S) according to Embodiment 1 of the first invention is the route storage means (route guidance data storage means) that stores guidance points set on the route and providing guidance to the user in the first invention.
- KC 15 ⁇ the route storage means (route guidance data storage means) that stores guidance points set on the route and providing guidance to the user in the first invention.
- Guidance point arrival determination means for determining whether or not the leading position has reached the guidance point on the route;
- the leading position updating means (KC16C) for stopping the updating of the leading position when the leading position reaches the guidance point;
- the route storage means (for example, route guidance data storage means: KC15B) stores guidance points that are set on the route and give guidance to the user.
- Guidance point arrival judging means (KC17C) judges whether or not the leading position has reached the guidance point on the route.
- the leading position updating means (KC16C) stops updating the leading position when the leading position reaches the guidance point.
- the updating of the leading position is stopped at the guidance point, so that it is possible to reduce the guidance point from moving too far away from the current position of the user.
- the route leading guidance system (S) specifies that, when the leading position is being updated in the first aspect of the first aspect, the leading position is being updated.
- the image (23a) is set to the leading image (23), and when the leading position is in the update stop, the leading image at the time of stop (23b) that specifies that the leading position is in the update stop.
- a leading image setting means (KC18B) for setting the leading image (23) is provided.
- the leading image setting means (KC18B) is updating the leading position when the leading position is being updated.
- the update leading image (23a) for specifying this is set as the leading image (23).
- the leading image setting means (KC18B) when the leading position is in the updating stop state, displays the leading leading image (23b) for specifying that the leading position is in the updating stop state. Set to. Therefore, in the route guidance system according to the second aspect of the first invention, the user can confirm whether or not the leading position is being updated by referring to the leading image (23).
- the route leading guide system (S) of the third aspect of the first invention is the same as the first invention and the first and second aspects of the first invention.
- the leading position update means (KC16C) for updating the leading position and stopping updating in response to an input to the leading position update instruction image (29);
- the route guidance image creating means (KC18) is a leading point for the user to give instructions to update the leading position and stop updating.
- a route guidance image (24) including a position update instruction image (29) is created.
- the leading position updating means (KC16C) updates and stops the leading position in response to an input to the leading position update instruction image (29). Therefore, in the route leading guidance system (S) of the third aspect of the first invention, it is possible to instruct updating of the leading position and stop updating in accordance with a user input.
- the route leading guidance system (S) provides an update stop instruction for instructing an update stop of the leading position when the leading position is being updated in the third aspect of the first invention.
- an update execution instruction for instructing to update the leading position is performed.
- An update instruction image setting means for example, toggle key image setting means: KC18A for setting the image (29b) in the leading position update instruction image (29) is provided.
- the update instruction image setting means for example, toggle key image setting means: KC18A
- KC18A toggle key image setting means
- An update stop instruction image (29a) for giving an instruction to stop updating the leading position is set in the leading position update instruction image (29).
- the update instruction image setting The stage (KC18A) displays an update execution instruction image (29b) for giving an instruction to execute the update of the leading position when the leading position is in the update stop state.
- the route leading guidance system (S) does not give an instruction to execute an update that is not necessary during the updating of the leading position, and can perform the force S without making a mistaken instruction to stop the update. Similarly, an unnecessary update stop instruction is not issued while the update is stopped, and an update execution (restart) instruction can be made without error.
- An acceleration sensor (SN1) that detects acceleration
- the spectrum analysis means (KC4C) As a result of spectrum analysis by the spectrum analysis means (KC4C), when a spectrum peculiar to walking is detected, the walking detection means (KC4) for detecting a user's walk, a period during which the spectrum analysis is performed, A leading position moving distance calculating means (KC16 C1) for calculating a moving distance of the leading position based on a leading speed that is a moving speed of the leading position;
- the leading position updating means (KC16C) for updating the leading position based on the moving distance of the leading position;
- the acceleration sensor (SN1) detects the acceleration acting on the acceleration sensor (SN1).
- the spectrum analysis means (KC4C) performs spectrum analysis based on the output signal of the acceleration sensor (SN1).
- the walking detection means (KC4) detects the walking of the user when a spectrum specific to walking is detected as a result of the spectrum analysis by the spectrum analysis means (KC4C).
- the leading position moving distance calculating means (KC16C1) calculates the moving distance of the leading position based on the period during which the spectrum analysis is performed and the leading speed that is the moving speed of the leading position.
- the leading position update means (KC16C) is configured to determine the leading position based on a moving distance of the leading position. Update the lead position. Therefore, in this case, since walking is detected based on the output signal of the acceleration sensor (SN1) and the moving distance of the leading position is detected, the leading position can be updated even when a signal from GPS cannot be received. .
- the leading speed set to a speed faster than the moving speed of the user
- the leading speed is set to a speed higher than the moving speed of the user
- the leading position is ahead (forward) on the route than the current position of the user.
- the route leading guide device (1) portable by the user of the second invention is:
- Route storage means for storing the route from the departure place to the destination (for example, route guidance data storage means: KC15B);
- a route plan image including a route image (22) for specifying the route and a leading image (23) for leading the route by displaying a leading position of the route with respect to the current position of the user.
- route guidance image creation means (KC18)
- Walking detection means for detecting the user's walking
- Leading position updating means (KC16C) for updating the leading position according to the user's walking when the user's walking is detected
- the leading position updating means (KC16C)
- the route guidance image creating means displays a route image (22) for specifying the route and a leading image (22) for guiding the route by displaying a leading position ahead of the route from the current position of the user.
- the display screen (11) displays the route guidance image (24).
- the user can guide forward in the direction of travel of the user using the leading image (23). It is possible to display a signboard, a building, or the like, which can be confirmed by the user. As a result, it is possible to reduce the user's confusion due to the difference between the user's line of sight and the route guidance image (24).
- the route leading guidance device (1) of the second invention the user's walking is detected and the leading position is updated, so that the route can be mistaken even in a situation where the position cannot be obtained by GPS. It is possible to guide without any problems. Furthermore, since the leading position is updated in response to the detection of walking, it is possible to reduce the leading position from excessively proceeding.
- the route leading guidance program of the third invention is a computer
- Route storage means (route guidance data storage means: KC15B) that stores the route from the departure point to the destination
- a route plan image including a route image (22) for specifying the route and a leading image (23) for leading the route by displaying a leading position of the route with respect to the current position of the user.
- Route guidance image creation means (KC18)
- Image display means (KC1) for displaying the route guidance image (24) on the display screen (11), walking detection means (KC4) for detecting the user's walking,
- Leading position updating means (KC 16C) for updating the leading position according to the user's walking when the user's walking is detected
- the route storage means (route guidance data storage means: KC15B) stores the route from the departure place to the destination.
- the walking detection means (KC4) detects the user's walking.
- the leading position updating means (KC16C) updates the leading position according to the user's walking when the user's walking is detected. To do.
- the route guidance image creating means (KC18) displays a route image (22) for specifying the route and a leading image (23) for guiding the route by displaying a leading position ahead of the route from the current position of the user.
- a route guidance image (24) including
- the liquid crystal drive circuit control means (KC1) controls the liquid crystal drive circuit (KD1) and displays the route guidance image (24) on the display screen (information display screen: 11).
- the route leading guidance program of the third aspect of the invention guidance in the forward direction of the user can be performed based on the leading image (23), so that the route guidance image (24) is ahead of the user's line of sight. Signs and buildings can be displayed and can be checked by the user. As a result, it is possible to reduce the user's confusion due to the difference between the user's line of sight and the route guidance image (24).
- the route leading guidance program of the third invention detects the user's walking and updates the leading position, the route is guided without any mistake even in situations where the position cannot be obtained by GPS. be able to. Furthermore, since the leading position is updated in response to the detection of walking, it is possible to reduce the leading position from excessively proceeding.
- the present invention described above can reduce the user's confusion due to the difference between the user's line of sight and the route guidance image.
- the present invention can provide guidance without making a mistake in the route even in a situation where the position cannot be obtained by GPS.
- FIG. 1 is an explanatory diagram of Embodiment 1 of the portable navigation system of the present invention.
- a portable navigation system (route guidance system) S of Example 1 has a mobile phone (portable route guidance device) 1 as a portable terminal that can be carried by a user.
- the mobile phone 1 is connected to a data communication device 3 of a mobile phone operator via a mobile phone network 2.
- the data communication device 3 includes a dedicated line 4 and an internet.
- the mobile navigation data distribution server 7 is connected to the data communication device 3 via the dedicated line 4, but can also be connected via the Internet 6.
- the mobile phone 1 has an information display screen (display) 11 on which a display image is displayed and an input key 12 on which a user performs various inputs, and a storage device (recording device) in which a program and the like are recorded. Medium).
- the mobile phone 1 of the first embodiment incorporates a GPS (Global Positioning System) device that can position the current position of the mobile phone in three dimensions.
- GPS Global Positioning System
- the mobile navigation data distribution server 7 also includes a server body 16 and a display (not shown), an input device (not shown) such as a keyboard and a mouse, a hard disk drive (recording medium, not shown), An optical drive such as a CD drive (recording medium reader, not shown) is included.
- FIG. 2 is a block diagram (function block diagram) showing functions of the portable terminal of the portable navigation system shown in FIG.
- the controller KC of the mobile phone 1 is an I / O (input / output interface) that performs input / output of signals to the outside and adjustment of input / output signal levels, programs and data for performing necessary processing, etc.
- ROM read-only memory, recording medium
- RAM random access memory, recording medium
- CPU central processing unit
- microcomputer having a clock oscillator and the like, and various functions can be realized by executing a program stored in the above-mentioned RM.
- the controller KC of the mobile phone 1 receives signals from the input key 12, the GPS device, the acceleration detection device 13, and other signal input elements.
- the input key 12 detects an input signal input by the user and inputs the detection signal to the controller KC.
- the GPS device positions the position of the mobile phone 1 on the earth based on the arrival time of the radio wave of the time signal emitted from the satellite according to the input signal for starting the lateral position, and controls the lateral result. Enter in KC.
- the acceleration detecting device 13 includes an acceleration sensor SN1 and acceleration sampling means KC0.
- the acceleration sensor SN1 detects acceleration during movement of the mobile phone 1 (vibrations caused by body movements during walking when the user walks).
- the acceleration sensor SN1 according to the first embodiment detects accelerations in predetermined three axis (X, Y, ⁇ axis) directions that are fixed with respect to the mobile phone 1.
- the three-dimensional acceleration sensor that can detect the acceleration in the three orthogonal directions is known in the art (see, for example, Japanese Patent No. 3359781), and various sensors can be used. Omitted.
- the acceleration sampling means KC0 samples (analog-to-digital conversion) the detection signal output from the acceleration sensor SN1 at a preset sampling frequency fs.
- the acceleration sampling means KC0 of Embodiment 1 has a sampling frequency set to 64Hz.
- the controller KC of the mobile phone 1 is connected to the liquid crystal drive circuit KD1, speaker drive circuit KD2, vibration motor control circuit (vibration generator control circuit) KD3, power supply circuit (not shown), and other control elements. These operation control signals are output.
- the liquid crystal driving circuit KD1 controls on / off of display electrodes of the liquid crystal display panel to display a display image on the information display screen 11.
- the GPS driving circuit KD2 outputs a side start signal to the GPS device to drive the GPS device.
- Vibration motor control circuit KD3 activates the vibration motor (notification device) Ml when receiving a call or arriving at a guidance point during route guidance, etc. Notify the user of points. [0037] (Function of mobile phone controller KC)
- the controller KC of the mobile phone 1 has a function (control means) for executing a process according to the output signal from each signal output element and outputting a control signal to each control element.
- the function (control means) of the controller KC will be described next.
- KC1 Liquid crystal drive circuit control means (route guidance image display means)
- the liquid crystal drive circuit control means KC1 controls the liquid crystal drive circuit KD1 to display an image on the information display screen 11.
- Vibration motor control means notification device control means
- the vibration motor control means KC2 controls the drive of the vibration motor Ml via the vibration motor control circuit KD3.
- KC3 GPS control means
- the GPS control means KC3 drives the GPS device via the GPS drive circuit KD2.
- KC4 Walking detection means (walking detection program)
- the walking detection means KC4 includes acceleration data storage means KC4A, spectrum analysis execution interval storage means KC4B, spectrum analysis execution interval measurement timer TM0, spectrum analysis means KC4C, analysis result storage means KC4D, and walking discrimination means KC4E. And detecting the walking of the user carrying the mobile phone 1 based on the detection signal output from the acceleration detection device 13.
- the acceleration data storage means KC4A reads and stores the acceleration data sampled by the acceleration sampling means KC0 of the acceleration detector 13.
- the acceleration data storage means KC4A of Example 1 is configured to be able to store 0.5 seconds of acceleration data, that is, 32 pieces of acceleration data sampled at a sampling frequency of 64 Hz, and stores the latest acceleration data. When reading, the oldest acceleration and acceleration data are erased and the latest acceleration data is stored.
- KC4B Spectrum analysis execution interval storage means
- the spectrum analysis execution interval storage means KC4B stores a spectrum analysis execution interval t0 that is an interval for executing spectrum analysis.
- Stage KC4B stores 0.5 seconds as the spectral analysis execution interval tO.
- the spectrum analysis execution interval measurement timer TM0 is timed up when the spectrum analysis execution interval tO elapses after the spectrum analysis execution interval tO is set.
- the spectrum analysis means KC4C calculates the magnitude of acceleration (total acceleration) based on the calorie velocity data stored in the acceleration data storage means KC4A, and then performs spectral Fourier transform (FFT). (Power spectrum) analysis.
- FFT spectral Fourier transform
- the spectrum analysis means for example, fast Fourier transform means
- KC4C of Example 1 obtains the spectrum intensity for each 1 Hz in the range of 1 Hz-32 Hz.
- FFT is based on the acceleration data of the force Example 1, 32 are required 2 n pieces of data (2 5), the FF T.
- the analysis result storage means KC4D stores the result of spectrum analysis by the spectrum analysis means KC4C.
- the walking discriminating means KC4E discriminates whether or not the walking spectrum (walking frequency) fw which is a spectrum peculiar to walking is detected from the result of the spectrum analysis stored in the analysis result storing means KC4D. .
- KC11 Route guidance means (route guidance program)
- the route guidance means KC11 includes route search condition input image creation means KC12, route search condition storage means KC13, terminal side data transmission means KC14, terminal side data reception means KC 15, guidance position detection means KC16, guidance It has point discriminating means KC17 and route guidance image creation means KC18, and displays route guidance images etc. on the information display screen 11 according to GPS signals and detection of walking, etc. to guide routes .
- FIG. 3 is an explanatory diagram of a route search condition image according to the first embodiment.
- KC12 Route search condition input image creation means
- Route search condition input image creation means KC12 creates a route search condition input image (see Fig. 3) for inputting route search conditions including the departure place and destination on the information display screen 11 and displays them on the information display screen 11 To do.
- the route search search condition input image of Example 1 includes a departure point input field for inputting a departure point, a destination input column for inputting a destination point, a departure date / time or arrival date / time for route guidance. Date and time input field for input, search route input field for inputting the number of routes to be searched, transport means input field for inputting the traffic means used for route guidance, and search conditions to the server 7
- the search condition transmission icon for executing transmission is displayed.
- KC13 Route search condition storage means
- the route search condition storage means KC13 stores the route search conditions (departure point, destination, departure date, etc.) set by the input to the route search condition input image (see FIG. 3).
- KC14 Terminal side data transmission means
- the terminal-side data transmission means KC14 has search condition transmission means KC14A, and transmits data from the mobile phone (mobile terminal) 1 to the server 7.
- the search condition transmission means KC14A transmits the route search conditions stored in the route search condition storage means KC12A to the server 7.
- KC15 Terminal side data receiving means
- the terminal-side data receiving means KC15 has map data storage means KC15A and route guidance data storage means KC15B, and receives and stores data transmitted from the server 7.
- KC15A Map data storage means
- the map data storage means KC15A stores the map data transmitted from the server 7.
- KC15B Route guidance data storage means (route storage means)
- the route guidance data storage means KC15B is route storage means for storing the route guidance data transmitted from the server 7 in accordance with the route search conditions.
- the route guidance data storage means of the first embodiment includes a user navigation. This includes route data such as the length and attributes of the route to be routed (whether it is a normal passage or a staircase, etc.) and guidance point data such as intersections, corners, stairs, elevator platforms, and destinations.
- the leading position detection means KC16 includes leading position storage means KC16A, leading speed setting means KC16B, leading position update means KC16C, and leading position update instruction determination means KC16D.
- the leading position detection means KC16 guides the route by guiding the user carrying the mobile phone 1 on the basis of the output signal of the GPS device power and the walking determination, so that the route position guidance means KC16 is closer to the user's current position. The leading position of is detected.
- the leading position storage means KC16A stores the leading position. At the start of route guidance, the user's current position (departure point) is stored as a leading position.
- the leading speed setting means KC16B has a leading speed storage means KC16B1 and a staircase discrimination means KC 16B2.
- the moving speed of the leading position that moves regardless of the current position of the user according to the user's walking (leading speed) ) Is set.
- the leading speed setting means KC 16B of the first embodiment sets the normal leading speed, which will be described later, as the leading speed when the path where the leading position is moving is a normal path, and when the path is a staircase, Then, set the leading speed for stairs ascending / descending described later to the leading speed.
- FIG. 4 is an explanatory diagram of the moving distance of the stairs.
- the leading speed storage means KC16B1 stores the leading speed.
- the leading speed storage means KC16B1 of Example 1 stores 84mZ, which is 5% faster than the normal user's walking speed of 80mZ, as the normal leading speed (normal leading speed).
- 42 m / min which is half the normal leading speed, is stored.
- the route network data used in route search in Fig. 4 when the route (link) is a staircase, the projected distance to the horizontal plane (length 1 in Fig. 4) is not the actual length of the route (length 1 in Fig. 4).
- Length L) in Fig. 4 is registered as distance cost (length of route link). It is recorded.
- the leading speed storage means KC16B1 of the first embodiment stores a speed that is half (1Z2) of the normal leading speed as the leading speed when moving up and down the stairs.
- the leading speed at the time of ascending / descending stairs is set to 1/2 of the leading speed at normal time, but is not limited to 1/2, and can be set to an appropriate value such as 1Z3.
- the normal leading speed is set to 5% higher than the general walking speed, it is not limited to this, and it can be set to any value such as 10% higher, and the acceleration data is integrated. It is also possible to set the leading speed based on the actual walking speed of the user obtained.
- KC16B2 Staircase discrimination means
- the staircase determination means KC16B2 determines whether or not the route along which the leading position is moving is a staircase.
- the leading position update means KC16C has leading position movement distance calculation means KC16C1, and updates the leading position according to the user's walking when the walking of the user is detected by the walking detection means KC4.
- the leading position updating means KC16C of the first embodiment stops updating the leading position when the leading position reaches the guidance point or when an instruction to stop updating is given by user input. Then, when the update execution instruction is given by the user input while the update of the leading position is stopped, the leading position is updated (resumed).
- KC16C1 Leading position moving distance calculation means
- the leading position moving distance calculating means KC16C1 determines the walking time (the period during which walking is discriminated, 0.5 seconds in Example 1) and the leading speed set by the leading speed setting means KC16B. Based on the above, the movement distance along the path of the leading position is calculated.
- KC16D Leading position update instruction determination means
- the leading position update instruction determining means KC16D determines whether or not an instruction to execute or stop updating of the leading position is given by a user input.
- KC17 Guidance point discrimination means
- Guidance point determining means KC17 has guidance distance calculating means KC17A, guidance point approach determining means KC17B, and guidance point arrival determining means KC17C, and is based on the guidance point data of the route guidance data. Determine whether or not the approached or reached the guidance point.
- KC17A Guidance distance calculation means
- Guidance distance calculation means KC17A calculates the distance from the leading position to the next guidance point on the route.
- the guidance point approach determining means KC17B determines whether or not the distance to the guidance point is equal to or less than a predetermined approach determining distance.
- Guidance point of embodiment 1 The approach determining means KC17B stores 100m as the approach determining distance. Note that the approach discrimination distance is not limited to 100 m, but can be set to a value such as 50 m or 300 m, and multiple approach discrimination distances (50 m, 100 m, 150 m, etc.) can be set. It is also possible to change the guidance method (image display, signal blinking, vibration motor operation, etc.) according to the distance.
- KC17C Guidance point arrival discrimination means
- the guidance point arrival judging means KC17C judges whether or not the leading position has reached the guidance point, that is, whether or not the distance to the guidance point has become 0 (or less).
- FIG. 5 is an explanatory diagram of the route guidance image
- FIG. 5A is an explanatory diagram of the route guidance image immediately after starting the route guidance
- FIG. 5B is a route guidance image in a state where the leading position is moving on the route.
- 5C is an explanatory diagram of the route guidance image in the state of FIG. 5B in which the update of the leading position is instructed by the user input in the state of FIG. 5B
- FIG. 5D is the leading position at the corner as the guidance point.
- Figure 5E is an explanatory diagram of the route guidance image in the reached state
- Fig. 5E is an explanatory diagram of the route guidance image when the leading position has reached the ascending exit of the staircase as the guidance point
- Fig. 5F is the exit of the staircase as the guidance point (ascending Fig. 5G shows the route when the leading position is close to the destination. It is explanatory drawing of a guidance image.
- KC18 Route guidance image creation means
- the route guidance image creation means KC18 has toggle key image setting means KC18A and leading image setting means KC18B. The leading position, the map data, the route data, the determination data whether or not the guidance point has been reached, etc. Based on the above, a route guidance image (see FIG. 5) for performing user navigation (route guidance) is created and displayed on the information display screen 11.
- the route guidance image creation means KC18 of the first embodiment creates a route guidance image 24 having a map image 21, a route image 22, and a leading icon (leading image) 23 for displaying a humanoid leading position. .
- a departure point icon 26 see Fig. 5A
- a destination icon 27 see Fig.
- the route guidance image 24 has a toggle key image (leading position update instruction image) 29 for the user to input an instruction to stop or update the leading position using the input key (update instruction input member) 12. .
- KC18A Toggle key image setting means (update instruction image setting means)
- the toggle key image setting means KC18A has a moving time tono key image storage means KC18A1 and a standby time tono key image storage means KC18A2, and is displayed on the information display screen 11 in accordance with each state in which the leading position is being updated or stopped. This is an update instruction image setting means for setting the keynote image 29.
- KC18A1 Toggle key image storage means during movement (image storage means for update stop instruction)
- image storage means for update stop instruction image storage means for update stop instruction
- the leading key image storage means KC18A1 during movement is being updated (the leading icon 23 is moving).
- a moving toggle key image (update stop instruction image) 29a which is a toggle key image 29 for the user to give an instruction to stop moving the leading icon 23 (stop updating the leading position) is stored.
- KC18A2 Standby toggle key image storage means (update execution instruction image storage means)
- standby toggle key image storage means KC18A2 has its leading position stopped updating (leading icon 23 is waiting (moving stopped) )) If the user A standby toggle key image (update execution instruction image) 29b, which is a toggle key image 29 for instructing the movement of the icon 23 to be resumed (leading position update execution), is stored.
- the leading image setting means KC18B has a leading icon storage means KC18B1 during movement and a leading icon storage means KC18B2 during standby, and is displayed on the information display screen 11 in accordance with each pair of the leading position being updated or stopped. Set the lead icon 23 to be displayed.
- KC18B1 Lead icon storage means during movement (lead image storage means during update)
- the leading icon storage means KC18B1 during movement indicates that the leading icon 23 is moving when the leading position is being updated (the leading icon 23 is moving). 23, the movement-type leading icon (leading image at the time of update) 23a of a humanoid with the back turned is stored.
- KC18B2 Standby leading icon storage means (stop leading image storage means)
- a leading icon 23 is waiting (the leading position is not updating) when the leading position is in the updating stop state (leading icon 23 is waiting)
- a front-facing humanoid standby leading icon (stop leading image) 23b is stored.
- FIG. 6 is a block diagram (function block diagram) showing the server functions of the portable navigation system of the first embodiment.
- the controller SC of the mobile navigation data distribution server 7 performs IZO (input / output interface), which performs input / output of signals to / from the outside and adjustment of input / output signal levels, to perform necessary processing.
- ROM read-only memory, recording medium such as hard disk
- RAM random access memory, recording medium
- It consists of a CPU (Central Processing Unit) that performs processing according to the programmed program and a microcomputer that has a clock oscillator, etc., and implements various functions by executing the program stored in the ROM etc. can do.
- CPU Central Processing Unit
- the controller SC of the portable navigation data distribution server 7 is inputted with signals from an input device (not shown) such as a keyboard and a mouse and other signal input elements.
- the input device detects that they are input by the user and inputs the detection signal to the controller SC.
- the controller SC of the portable navigation data distribution server 7 is connected to a display (not shown), a power supply circuit (not shown), and other control elements, and outputs their operation control signals.
- a display image corresponding to the operation of the server user is displayed on the display.
- the controller SC of the mobile navigation data distribution server 7 has a mobile navigation application program for processing each data transmitted from the mobile phone 1 and other programs. It has a function (control means) for executing a process according to the output signal from the signal and outputting the control signal to each control element. Next, the function (control means) of the application program for portable navigation of the controller SC will be described.
- SC1 Server-side data receiving means
- Server-side data receiving means SC1 has search condition receiving means SC1A and receives data transmitted from the mobile phone 1.
- Search condition receiving means SC1A receives and stores the search condition data transmitted from the mobile phone 1.
- the map data storage means SC2 stores map data.
- the map data storage means SC2 of Embodiment 1 is composed of unit map data divided into unit maps in a predetermined range based on latitude and longitude.
- a technique for dividing a map into unit maps and transmitting / receiving necessary unit map data is conventionally known (for example, JP 2003-214A). The detailed description will be omitted.
- the map data of the first embodiment uses vector map data in which roads and passages are composed of vector data.
- the route search means SC3 has guidance point extraction means SC3A, and determines (searches) a route from the departure point to the arrival point according to the received route search condition. Then, optimal route data (route data) including departure location data indicating the location of the departure location and destination location data indicating the location of the destination is created.
- route data route data
- the optimal route including transportation is created, and when the number of routes to be searched is specified more than once, the specified number Create multiple routes according to your needs. Since the technique for creating the optimum route is conventionally known (see, for example, Japanese Patent Laid-Open No. 2003-214860), detailed description thereof is omitted.
- Guidance point extraction means SC3A provides guidance points for guidance such as corners, intersections, elevating positions of stairs, elevator landings, escalator landings, and destinations on each route searched by the route searching means. Extract (search and set).
- the technique for extracting the guidance point for example, the technique described in Japanese Patent Application No. 2003-369314, which is the prior application of the present applicant, can be adopted, and detailed description thereof is omitted.
- SC4 Server-side data transmission means
- Server-side data transmission means SC4 has route guidance data transmission means SC4A and map data transmission means SC4B, and transmits data to the mobile phone 1.
- the route guidance data transmitting means SC4A transmits the route guidance data including the route data and guidance point data searched by the route searching means SC3 to the mobile phone 1.
- Map data transmission means The map data transmission means SC4B transmits the map data on the route searched by the route search means SC3 to the mobile phone 1.
- FIG. 7 is a main flowchart of the guide route creation process of the server of the portable navigation system of the first embodiment.
- each ST (step) in the flowchart of FIG. 7 is performed according to the portable navigation program AP4 stored in the ROM of the controller SC of the server 7. This process is executed in parallel with other various processes of the server 7.
- the flowchart shown in FIG. 7 is started when the mobile navigation data distribution server 7 is powered on.
- Step1 of FIG. 7 it is determined whether or not the route search condition data transmitted from the mobile phone 1 has been received. If yes (Y), go to ST2, if no (N), repeat ST1.
- route data, guidance point data, and map data on the route are transmitted to the mobile phone (mobile terminal) 1. Then, return to ST1.
- FIG. 8 is a flowchart of route guidance processing provided in the mobile phone of the mobile navigation system of the first embodiment.
- FIG. 9 is a flowchart subsequent to the route guidance process of FIG.
- each ST (step) in the flowcharts of FIG. 8 and FIG. 9 is performed according to the route guidance program stored in RM of the controller KC. This process is executed in parallel with other various processes of the mobile phone 1.
- the route guidance process flowcharts shown in FIGS. 8 and 9 are started by starting a navigation program (route leading guidance program).
- ST12 it is determined whether or not an input for selecting a search condition transmission icon of “start search” in the route search condition input image has been made. If no (N), go to ST13; if yes (Y), go to ST15.
- the route search condition data input by the user is transmitted to the route guidance data distribution server 7. Then move to ST16.
- ST16 it is determined whether or not the route guidance data (route data and guidance point data) as the route search result and the map data are received. If yes (Y), go to ST17; if no (N), repeat ST16.
- a route guidance image (see Fig. 5A) is created based on the departure point, route data, and map data.
- the input key 12 is used to determine whether or not an input for selecting the “STOP” toggle key (moving toggle key image 29a) has been made. If no (N), go to ST21; if yes ( ⁇ ), go to ST30.
- ST23 set the leading speed to the normal leading speed, and move to ST25.
- ST24 set the leading speed to the leading speed when moving up and down the stairs, and move to ST25.
- the moving distance of the leading position is calculated based on the walking time (period in which walking is determined, 0.5 seconds in the first embodiment) and the set leading speed.
- a guidance icon 28 corresponding to the next guidance point is additionally displayed on the route guidance image 24. Then move to ST29.
- ST29 it is determined whether or not the leading position has arrived at the guidance point. If no (N), return to ST19; if yes (Y), go to ST30.
- Toggle key image 29 is updated to standby toggle key image ("GO" toggle key) 29b.
- ST31 it is determined whether or not the leading position is the destination. If no (N), go to ST32. If yes (Y), go to ST34.
- the input key 12 is used to determine whether or not an input for selecting the toggle key “G ⁇ ” (standby toggle key image 29b) has been made. If no (N), repeat ST32; if yes ( ⁇ ), go to ST33.
- Toggle key image 29 is updated to a toggle key image (“ST ⁇ P” toggle key) 29a when moving.
- the leading icon 23 is updated to the leading icon 23a when moving.
- ST34 it is determined whether or not an input for ending the route leading guidance program has been made. If no (N), repeat ST34; if yes (Y), end the route guidance program of Figs.
- FIG. 10 is a flowchart of walking detection processing provided in the mobile phone of the mobile navigation system of the first embodiment.
- each ST (step) in the flowchart of FIG. 10 is performed according to a program stored in the ROM or the like of the controller KC. In addition, this process is executed in parallel with other various processes (such as the route guidance process) described above.
- the flowchart shown in FIG. 10 is started by starting a navigation program (route guidance program).
- the spectrum analysis execution interval tO is set in the spectrum analysis execution interval measurement timer TM0. Then move to ST43.
- ST48 it is determined whether or not an input force S for ending the navigation program (route guidance program) has been received. If no (N), the process returns to ST42, and if yes (Y), the walking detection process in FIG. 10 is terminated.
- FIG. 11 is an explanatory diagram of an example of acceleration data measured with a mobile phone while the user carrying the mobile terminal of Example 1 is walking, with the vertical axis indicating the acceleration value and the horizontal axis indicating time. is there.
- FIG. 12 is a graph showing the spectrum analysis result of the acceleration data in FIG. 11, with the vertical axis representing the spectral intensity and the horizontal axis representing the spectral value.
- the 3-axis acceleration sensor SN1 detects periodic accelerations in the X-axis, Y-axis, and Z-axis directions. Periodic acceleration data detected by the acceleration sensor SN1 is sampled at a sampling frequency of 64 Hz (see FIG. 11). When the spectrum of 0.5 seconds of the total acceleration (see Fig. 11), which is the magnitude of the acceleration in the three axis directions, is analyzed by fast Fourier transform (FFT), the spectrum is obtained at 2 Hz and 3 Hz as shown in Fig. 12. An analysis result that the strength is strong is obtained. If such an analysis result is obtained, it is determined that the user has walked, and the mobile phone 1 detects walking. To do.
- FFT fast Fourier transform
- step ST19 in FIG. 9 walking detection process in FIG. 10
- the leading position is updated regardless of the current position of the user.
- the leading speed is set faster than the general user's walking speed, so the leading icon 23a moves on the route ahead of the user's current position (see FIG. 5A). Therefore, since the leading icon 23a has moved ahead of the user, a building or the like ahead on the route is displayed on the route plan image 24 and can be confirmed by the user. As a result, it is possible to reduce the user's confusion due to the difference between the user's line of sight and the route guidance image 24.
- a guidance icon 28 is displayed and guidance is given to the user (see FIG. 5B). If the user feels that the leading position is too far from the current position while the leading icon 23a is moving, select the toggle key “ST ⁇ P” (toggle key image 29a when moving) Transition from the state shown in FIG. 5B to the state shown in FIG. 5C is performed, the leading icon 23a at the time of movement is updated to the leading icon 23b at the time of standby, and the movement of the leading icon 23 stops (see ST20 in FIG. 9). At this time, the toggle key image 29 is automatically updated to the “GO” toggle key (standby toggle key image 29b).
- the state force shown in FIG. 5C is also the state shown in FIG. 5B. (See ST32 in Fig. 9), and the movement of the lead icon 23 can be resumed. That is, in the route leading guidance system of the first embodiment, the user can instruct to stop moving or restart the leading icon 23 by the same input operation of selecting the toggle key, thereby facilitating the instruction operation. Is possible.
- the leading icon 23 and the toggle key image 29 are different between moving and stopped, the user can easily confirm whether the route leading guidance is being executed or stopped (whether the leading position is being updated). it can.
- Fig. 5D-Fig. 5F when the leading position moves on the route and reaches a guidance point such as a corner or a stairway, the leading icon 23 automatically stops moving (Fig. (Refer to 9 ST29 etc.). That is, the leading icon 23 arrives at the guidance point first and waits for the user. Then, when the user approaches or arrives at the guidance point, the user confirms the guidance point, and the “GO” toggle key (standby toggle) When an input for selecting the key image 29b) is made, the update of the lead position is resumed, and the lead icon 23a moves toward the next guidance point.
- a guidance point such as a corner or a stairway
- the updating of the leading position is automatically stopped for each guidance point, and the movement of the leading icon 23 is resumed according to the user input.
- the leading icon 23a can be reduced from moving too much and the leading position and the current position of the user being too far apart.
- the route leading guidance system S of the first embodiment the user's walking is detected and the leading position is updated, so the route guidance is provided to the user even in the basement or in a building where GPS radio waves cannot be received. Can do. Furthermore, since the route guidance system S of Example 1 does not require a device for acquiring the current position in the building unlike conventional technology, it can be easily realized and the cost of the equipment is also suppressed. be able to.
- the portable route guidance device including the GPS device has been described.
- the present invention can be applied to a portable route guidance device that does not include the GPS device.
- the current position icon for detecting the current position of the user and displaying the current position in addition to the leading icon 23 is also provided. It is also possible to add to the route guidance image 24. In this case, for example, when the leading position is too far from the current position (for example, 300 m or more away), the updating of the leading position is automatically stopped until the current position approaches the leading position to some extent. Is also possible.
- the portable route guidance device of the present invention is not limited to the mobile phone 1 and can be applied to a portable terminal (portable route guidance device) such as a PDA or a notebook personal computer. In addition to this, this function can be built in a portable music player (headphone stereo, MP3 player, etc.).
- the distribution of map data and the route search are performed by communication with the mobile navigation data distribution server 7, but the portable route guidance device has a sufficient data storage capacity and processing speed.
- the portable route guidance device has a sufficient data storage capacity and processing speed.
- mobile phone 1 detects walking, updates the leading position, approaches and reaches guidance points, creates route guidance images, etc., using the mobile navigation data distribution system. It is also possible to configure the mobile phone 1 to display the route guidance image transmitted from the business data distribution server 7.
- the movement distance is a force calculated based on the leading speed and the walking time, but is not limited to this.
- the peak of vibration is detected from the acceleration data, the number of steps is counted, and the step (1 It is also possible to calculate the movement distance based on the movement distance of the leading position per step) and the number of steps.
- the walking speed is set to 60 mZ, and if it is the strongest at 3 Hz or more, the walking distance is calculated to be 100 m / min. Yes, it is possible.
- the user can be configured to be able to directly input the leading speed, or can be configured to be able to input the walking speed, and a value that is 10% larger than the input walking speed can be set as the leading speed.
- specific values such as a sampling frequency value, a period for storing acceleration data, and a spectrum intensity threshold are not limited to the values shown in the embodiment, and can be changed.
- the walking spectrum fw to be detected as walking is set to 1 Hz-4 Hz.
- the present invention is not limited to this range, and it is not necessary to detect a case of small running or slow walking. If it is not necessary to detect the case of a small run, it is possible to set a value such as 1.5 Hz—2.5 Hz.
- the gait detection means KC4 includes the acceleration data storage means KC4A, the spectrum analysis means KC4C;
- the nozzle analysis means KC4C or the like may be configured in a separate module.
- the gait detection means KC4 should be configured so as to obtain necessary information from modules comprised of acceleration data storage means KC4A, spectrum analysis means KC4C, and the like.
- the leading icon is changed during updating and updating is stopped.
- the same icon can be used, and the leading icon is not limited to a human-type image. It is also possible to use a leading image.
- the force using the toggle key image in which “STOP” and “GO” are automatically switched sequentially every time an input is made as the leading position update instruction image It is also possible to display both the “0?” And 3 ⁇ 4 ⁇ ”images so that even if one is input, no processing is performed.
- the route leading guidance of the route using the stairs has been described.
- the escalator which is difficult to detect walking, can be used for the route leading guidance of the route using a moving means such as an elevator. It is. For example, first, route guidance to the floor where the escalator and other platforms are located is executed, and when the leading position reaches the escalator platform (guidance point), the toggle key is changed from “STOP” to “GO”. When the user gets off the escalator, etc., and inputs the toggle key “G ⁇ ”, the route guidance for the floor where the escalator has been exited can be executed. As a result, route guidance can be executed even when moving means such as escalators are used.
- the update of the leading position is stopped when the guidance point is reached, but it may be configured to continue to update. Furthermore, although it has been configured so that it can be instructed to update or stop updating the leading position in response to user input, it is also acceptable to omit this configuration.
- walking is detected using a three-dimensional acceleration sensor.
- the present invention is not limited to this, and it is also possible to detect walking by using a two-dimensional acceleration sensor or other configuration capable of detecting walking.
- the guidance icon is displayed when the guidance point is approached.
- the present invention is not limited to this.
- the present invention is not limited to this.
- the user can be notified that the leading position has approached and arrived at the guidance point by any notification method such as a combination.
- the guidance icon displayed on the display screen 11 can be composed of contents such as animation and moving images (movies) in addition to still images.
- the guidance icon is played back, for example, when the route guidance device 1 is a mobile phone, the Macromedia Flash Player (Macromedia Flash Player)
- An application platform called Player can be used.
- FIG. 1 is an explanatory diagram of Embodiment 1 of the portable navigation system of the present invention.
- FIG. 2 is a block diagram (function block diagram) showing functions of the mobile terminal of the mobile navigation system shown in FIG.
- FIG. 3 is an explanatory diagram of a route search condition image according to the first embodiment.
- FIG. 4 is an explanatory diagram of the moving distance of the stairs.
- FIG. 5 is an explanatory diagram of the route guidance image
- FIG. 5A is an explanatory diagram of the image in the route plan immediately after starting the route guidance
- FIG. 5B is a route guidance in a state where the leading position is moving on the route.
- Fig. 5C is an explanatory diagram of the route guidance image in the state of Fig. 5B in which the instruction to stop updating the leading position is instructed by the user in the state of Fig. 5B.
- Fig. 5D is the leading position that has reached the corner as a guidance point.
- Fig. 5E is an explanatory diagram of the route guidance image in the state where the leading position has reached the stairway as a guidance point.
- Fig. 5F is a stairway exit as a guidance point.
- FIG. 5G is an explanatory diagram of the route guidance image in a state in which the leading position is close to the destination.
- FIG. 6 is a block diagram (function block diagram) showing the server functions of the portable navigation system of the first embodiment.
- FIG. 7 is a main flowchart of a guide route creation process of the server of the portable navigation system of the first embodiment.
- FIG. 8 is a flowchart of route plan processing provided in the mobile phone of the mobile navigation system of the first embodiment.
- FIG. 9 is a flowchart subsequent to the route guidance process of FIG.
- FIG. 10 is a flowchart of walking detection processing provided in the mobile phone of the mobile navigation system of the first embodiment.
- FIG. 11 is an explanatory diagram of an example of acceleration data measured by a mobile phone while the user carrying the mobile terminal of Example 1 is walking, with the vertical axis representing acceleration values and the horizontal axis representing time.
- FIG. 11 is an explanatory diagram of an example of acceleration data measured by a mobile phone while the user carrying the mobile terminal of Example 1 is walking, with the vertical axis representing acceleration values and the horizontal axis representing time.
- FIG. 12 is a graph showing the spectral analysis results of the acceleration data in FIG. 11, with the vertical axis representing the spectral intensity and the horizontal axis representing the spectral value.
- KC16C Leading position update means
- KC16C1 leading position movement distance calculation means
- KC17C guidance point arrival judgment means
- KC18 route guidance image creation means
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Abstract
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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JP2006548654A JP4028581B2 (ja) | 2004-12-24 | 2004-12-24 | 先導経路案内システム、携帯型経路先導案内装置およびプログラム |
CN200480044721A CN100582668C (zh) | 2004-12-24 | 2004-12-24 | 引导路径向导系统、便携式路径引导向导装置及程序 |
EP04807716A EP1830158B1 (en) | 2004-12-24 | 2004-12-24 | Lead route guidance system, portable lead route guidance device, and program |
US11/793,825 US8135536B2 (en) | 2004-12-24 | 2004-12-24 | Lead route guidance system, portable route lead guidance device, and program |
PCT/JP2004/019359 WO2006067855A1 (ja) | 2004-12-24 | 2004-12-24 | 先導経路案内システム、携帯型経路先導案内装置およびプログラム |
KR1020077014242A KR100931428B1 (ko) | 2004-12-24 | 2004-12-24 | 선도 경로 안내 시스템, 휴대형 경로 선도 안내 장치 및 프로그램이 기록된 기록 매체 |
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- 2004-12-24 KR KR1020077014242A patent/KR100931428B1/ko not_active IP Right Cessation
- 2004-12-24 JP JP2006548654A patent/JP4028581B2/ja not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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US8135536B2 (en) | 2012-03-13 |
EP1830158A1 (en) | 2007-09-05 |
KR100931428B1 (ko) | 2009-12-11 |
EP1830158B1 (en) | 2012-10-24 |
JPWO2006067855A1 (ja) | 2008-08-07 |
CN101091102A (zh) | 2007-12-19 |
JP4028581B2 (ja) | 2007-12-26 |
US20080109164A1 (en) | 2008-05-08 |
EP1830158A4 (en) | 2011-12-28 |
KR20070086559A (ko) | 2007-08-27 |
CN100582668C (zh) | 2010-01-20 |
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