WO2008069225A1 - 情報提供システム、情報提供方法、ならびに、コンピュータプログラム - Google Patents
情報提供システム、情報提供方法、ならびに、コンピュータプログラム Download PDFInfo
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- WO2008069225A1 WO2008069225A1 PCT/JP2007/073451 JP2007073451W WO2008069225A1 WO 2008069225 A1 WO2008069225 A1 WO 2008069225A1 JP 2007073451 W JP2007073451 W JP 2007073451W WO 2008069225 A1 WO2008069225 A1 WO 2008069225A1
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- WIPO (PCT)
- Prior art keywords
- data
- reproduction
- content data
- information
- playback
- Prior art date
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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
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
- G08G1/096783—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a roadside individual element
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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
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3626—Details of the output of route guidance instructions
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/02—Marketing; Price estimation or determination; Fundraising
-
- 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
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
- G08G1/096716—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information does not generate an automatic action on the vehicle control
-
- 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
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
- G08G1/09675—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where a selection from the received information takes place in the vehicle
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
- G09B29/003—Maps
- G09B29/006—Representation of non-cartographic information on maps, e.g. population distribution, wind direction, radiation levels, air and sea routes
- G09B29/007—Representation of non-cartographic information on maps, e.g. population distribution, wind direction, radiation levels, air and sea routes using computer methods
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
- G09B29/10—Map spot or coordinate position indicators; Map reading aids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
-
- 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
- G08G1/0969—Systems involving transmission of navigation instructions to the vehicle having a display in the form of a map
Definitions
- the present invention relates to an information providing system, an information providing method, and a computer program suitable for reproducing data as intended by a data distribution side.
- Patent Document 1 Japanese Patent Laid-Open No. 2005-345325
- the data delivered from the data delivery side to the data reception side is exclusively used for data reception as to under what conditions the content is provided for user viewing. It is up to the specification of the data receiver on the side. For example, in the simplest case, it may be a specification that allows a user to view a content as soon as the content is pushed. In this case, there is a problem that it is not always possible to allow the user to view the content at the timing intended by the data distribution side.
- the present invention solves such problems, and is an information providing system, an information providing method, and a computer suitable for reproducing data as intended by the data distribution side.
- the purpose is to provide a program.
- an information providing system according to the first aspect of the present invention provides:
- a position determination means for determining the position of itself
- a coincidence detecting means for detecting that the position determined by the position discriminating means coincides with the reproduction position indicated by the reproduction control data received by the receiving means, and the coincidence detecting means detects the coincidence.
- Data reproducing means for reproducing the content data when
- An information providing system according to a second aspect of the present invention provides:
- a roadside device installed on the roadside and wirelessly transmitting information
- An in-vehicle device that receives information wirelessly transmitted from the roadside device, reproduces and outputs the received information
- An information providing system comprising:
- the roadside device is disposed on or near a road or parking lot on which a vehicle passes, and storage means for storing content data to be transmitted and reproduction control data for instructing conditions for reproducing the content data; Means for wirelessly transmitting content data and playback control data stored in the storage means,
- the in-vehicle device includes: a position determining unit that determines its own position; a receiving unit that receives content data and reproduction control data transmitted from the roadside device; and the own position determined by the position determining unit and the A match determining means for determining whether or not the playback condition indicated by the playback control data received by the receiving means matches, and data playback for playing back the content data when the match determining means determines that they match It is a special feature to provide a means.
- An information providing system according to a third aspect of the present invention provides:
- the reproduction control data is
- In-vehicle device capacity S that has received the content data, control data for controlling the in-vehicle device to reproduce the received content data, and
- the receiving means includes storage means for storing a plurality of sets of received content data and corresponding reproduction control data
- the position determination unit is configured to store other content data to be reproduced in parallel with the one piece of content data among the content data stored in the storage unit.
- the data reproduction means may reproduce the one content data and the content data extracted by the extraction means in parallel.
- the reproduction control data includes information designating a plurality of reproduction positions
- the coincidence determining means when the reproduction control data coincides with any one of a plurality of positions designated by the reproduction control data, if the own position coincides with the reproduction position designated by the reproduction control data. You can do it.
- the content data includes store advertisement information and sales information representing the store's business hours by turning on / off bit data according to time zone,
- the data reproduction means includes means for measuring the current time
- the data reproduction means determines whether or not the current time measured is business hours based on the business information, displays the advertisement information if it is business hours, and displays the advertisement if it is non-business hours. You can hide the information.
- the content data includes store advertisement information
- the data reproducing means when the vehicle moves to the information providing position or moves by the distance specified by the information providing start distance according to the reproduction control data, and the moving direction coincides with the direction toward the store. You may make it start reproduction
- the content data includes information on a specific facility or location
- One of the conditions is that the reproduction start condition specified by the reproduction control data is within a predetermined range based on the specific facility.
- the data reproducing means may reproduce the content data when the condition is satisfied.
- the position determining unit includes a traveling direction determining unit that determines a traveling direction of the device.
- the reproduction control data includes information designating a position and a direction as a reproduction condition.
- the data reproducing unit includes: The content corresponding to the condition information substantially matching the current position and the traveling direction may be determined and reproduced.
- the content data includes business information and traffic information for business
- the reproduction control data defines reproduction conditions for the sales information and reproduction conditions for traffic information, respectively.
- the reproduction means may give priority to reproduction of the traffic information.
- a reproduction condition correcting unit may be provided that detects a reproduction condition of traffic information and corrects the reproduction condition of the sales information so that the reproduction condition of the sales information does not match the reproduction condition of the traffic information. Good.
- An information providing method includes:
- An information providing method includes:
- the content data is played back on the mobile unit.
- An information providing method includes:
- the stored content data and playback control data are wirelessly transmitted to the in-vehicle device.
- a program according to a seventh aspect of the present invention is:
- the computer functions as the above-described information providing system or causes the computer to realize the above-described functions.
- An information providing system includes:
- a roadside device installed on the roadside and wirelessly transmitting information
- An in-vehicle device that receives and reproduces information wirelessly transmitted from the roadside device;
- An information providing system comprising:
- the roadside device is disposed on or near a road or parking lot where a vehicle passes, and storage means for storing content data to be transmitted and playback control data indicating playback conditions of the content data;
- the in-vehicle device is a vehicle.
- Position acquisition means for acquiring its own position
- a receiving means for receiving the content data and the playback control data from the roadside device
- a determination means for determining whether or not the reproduction control data received by the reception means indicates a reproduction condition, and the reproduction condition by the determination means
- Data reproduction means for reproducing the content data when it is determined that the content data is satisfied
- the content data includes information indicating a reproduction order of the content data and a combination of content data to be reproduced in parallel.
- the data reproduction means may reproduce the content data indicated by the combination among the content data received by the reception means in the reproduction order.
- the in-vehicle device includes:
- Storage means for storing a plurality of sets of content data received by the receiving means and reproduction control data corresponding to the content data
- Extraction means for extracting from, and
- the data reproduction means may reproduce the content data in parallel with the other content data extracted by the extraction means.
- the reproduction control data includes information designating a plurality of reproduction points
- the determination unit may determine that the reproduction condition is satisfied when the position acquired by the position acquisition unit coincides with any one of the plurality of reproduction points. Good.
- the reproduction control data further includes information indicating an information providing position indicating a point or a region where the content data is reproduced and a predetermined direction,
- the vehicle-mounted device further includes a direction acquisition unit that acquires its own moving direction, and the determination unit includes the current position acquired by the position acquisition unit in the information providing position, and the direction acquisition unit When the acquired movement direction matches the predetermined direction, it may be determined that the reproduction condition is satisfied.
- the determination unit determines that the movement direction matches the predetermined direction. It may be characterized by that.
- the reproduction control data further includes information indicating the position of the specific facility and information indicating the predetermined distance,
- the determination unit determines that the reproduction condition is satisfied when the current position acquired by the position acquisition unit is included in a circle centered on the position of the specific facility and having the predetermined distance as a radius. It may be a feature.
- the reproduction control data includes advertisement information of a store that provides the content data, and sales information that represents on-off of bit data for each time zone, and the vehicle-mounted device has a current time It further comprises a timing means for timing
- the data reproduction means determines whether or not the current time measured by the time measuring means is included in the business hours, and displays the advertisement information when determined that the current time is included in the business hours.
- the advertisement information may be hidden when it is determined that it is not included in the business hours.
- the content data includes traffic information and sales information for sales of the store, and the playback control data defines the playback conditions of the sales information and the playback conditions of the traffic information, respectively.
- the in-vehicle device further includes a reproduction condition correcting means for correcting the reproduction condition of the business information so that the reproduction condition of the traffic information and the reproduction condition of the business information do not match. It can be ⁇ ⁇ .
- the in-vehicle device further includes map information storage means for storing map information
- the reproduction control data includes information indicating a point at which reproduction of the content data is started and a type of road on which the content data is reproduced.
- the determining means is a road where a current position indicated by the acquired position information coincides with a point indicated by the reproduction control data, and the current position is a road indicated by a type of road where the content data is reproduced. This may be used as the reproduction condition, and whether or not the reproduction condition is satisfied is determined based on the map information.
- the in-vehicle device further includes time acquisition means for acquiring a current time
- the playback control data includes information indicating a point at which playback of the content data is started and a time zone during which the content data is played back.
- the determination means includes a time zone in which the current position acquired by the position acquisition means coincides with a point indicated by the reproduction control data, and the current time acquired by the time acquisition means is reproduced. It may be characterized in that it is determined that the reproduction condition is satisfied and whether the reproduction condition is satisfied.
- the in-vehicle device further includes map information storage means for storing map information
- the reproduction control data includes information indicating a position of a specific facility and a predetermined distance
- the determination unit is configured to display the position of the specific facility indicated by the reproduction control data as a current position acquired by the position acquisition unit. Even if the reproduction condition is that it is included in a circle having a radius with the predetermined distance as the center, and whether or not the reproduction condition is satisfied is determined based on the map information. Good.
- the in-vehicle device further includes map information storage means for storing map information
- the playback control data includes information that associates a point at which playback of the content data starts with a predetermined distance
- the determination means includes that the current position acquired by the position acquisition means is included in a circle centered on the point indicated by the reproduction control data and having a radius of the predetermined distance. It may be characterized by determining whether or not the reproduction condition is satisfied based on the map information as the reproduction condition.
- the in-vehicle device further includes a map information storage unit that stores map information, and a traveling direction determination unit that determines its own traveling direction,
- the reproduction control data further includes information indicating a predetermined direction
- the determination means is included in a circle whose center is the point indicated by the reproduction control data and whose radius is the predetermined distance, and is determined by the traveling direction determination means. It may be characterized in that the traveling direction matches the predetermined direction indicated by the reproduction control data, and the reproduction condition is determined based on the map information. .
- the playback control data further includes playback information indicating whether to stop playback of the other content data during playback of the other content data and to play back the content data.
- An information providing apparatus according to the ninth aspect of the present invention provides:
- Position acquisition means for acquiring its own position
- the reception unit Based on the own position acquired by the position acquisition unit, the reception unit receives the position. Determining means for determining whether or not a playback condition specified by the received playback control data satisfies the condition, and a data playback means for playing back the content data when the determining means determines that the playback condition is satisfied. It is characterized by that.
- the reproduction control data further includes information indicating an information providing position indicating a point or region where the content data is reproduced and a predetermined direction,
- the determination unit determines the reproduction condition when the current position acquired by the position acquisition unit is included in the information providing position and the movement direction acquired by the direction acquisition unit matches the predetermined direction. It may be characterized by discriminating that it is satisfied.
- the content data includes information indicating the playback order of the content data and a combination of content data to be played back in parallel.
- the data reproducing means may reproduce the content data indicated by the combination among the content data received by the receiving means in the reproduction order.
- An information providing method includes:
- a program according to the eleventh aspect of the present invention is
- Computer Acquisition means for acquiring the position of the self
- FIG. 1 is a diagram for explaining an overall configuration of an information providing system.
- FIG. 2 is a diagram for explaining the configuration of a traffic information server.
- FIG. 3 is a diagram showing a configuration example of a roadside machine.
- FIG. 4 is a diagram for explaining the configuration of an in-vehicle device.
- FIG. 5 is a diagram for explaining data reproduction processing executed by the in-vehicle device.
- FIG. 6 is a diagram showing a configuration example of data stored in the header portion of content data common to all data.
- FIG. 7 is a diagram showing a configuration example of data stored in a header portion of content data other than display control data.
- FIG. 8 is a diagram showing a configuration example of data stored in a header portion of display control data.
- FIG. 9 is a diagram showing a configuration example of data stored in a part of the header portion of display control data.
- FIG. 10 is a diagram showing an example of a data group distributed from the data distribution side.
- FIG. 11 (a) is a flowchart for explaining data reproduction processing of the in-vehicle device.
- FIG. 11 (b) is a flowchart for explaining data reproduction processing of the in-vehicle device.
- FIG. 12 (a) is a diagram schematically showing the acquired data, and (b) to (d) are diagrams schematically showing images and sounds reproduced from the monitor and speakers correspondingly. It is.
- FIG. 13 is a schematic diagram for explaining the relationship between the in-vehicle device and various devices installed on the side of the road or the like.
- FIG. 14 is a diagram for explaining a reproduction condition in the second embodiment.
- FIG. 15 is a diagram for explaining playback conditions in the third embodiment.
- FIG. 16 is a flowchart for explaining data reproduction processing in the fourth embodiment.
- ITS Intelligent Transport
- the ITS system communicates between a roadside unit 100 placed near a place where vehicles such as roads and parking lots pass, and the roadside unit 100 installed in the vehicle. It includes an on-board device 200 that provides traffic information and the like to a vehicle occupant and a traffic information distribution server 300 that generates various information and supplies it to the roadside device 100.
- the traffic information distribution server 300 is a device that generates and distributes traffic information for each roadside device 100. As shown in FIG. 2, the input unit 301, the output unit 302, the communication control units 303 and 304, the storage Dress A device 305, a control unit 306, a ROM (Read Only Memory) 307, a RAM (Random Access Memory) 308, and a system bus 309.
- the input unit 301 includes a keyboard, a mouse, an input interface, and the like, and inputs various data and instructions.
- the output unit 302 includes a display device and displays data, messages, and the like.
- the first communication control unit 303 communicates with an external device via a general communication network NW1 such as a telephone line or the Internet, and acquires various information.
- NW1 such as a telephone line or the Internet
- the second communication control unit 304 is connected to the plurality of roadside devices 100 via the ITS network, and transmits traffic information to each roadside device 100. Further, the second communication control unit 304 collects information obtained by the roadside device 100 through communication with the vehicle-mounted device 200 via the ITS communication network NW2.
- the storage device 305 includes a hard disk device or the like, and stores various traffic information.
- the storage device 305 stores the geographical information of the vicinity of each roadside device 100 together with the position, address, and the like.
- the control unit 306 includes a processor and the like, and controls the operation of the entire traffic information distribution server 300. Further, the control unit 306 creates information to be distributed to each roadside device 100 from the vicinity of the roadside device 100 based on various types of information stored in the storage device 305. The second communication unit 304 and the ITS communication network Supply to each roadside machine 100 via NW2. The configuration of information generated and transmitted by the control unit 306 will be described with reference to FIGS.
- the ROM 307 stores an operating system (OS) and various data necessary for operation control of the entire traffic information distribution server 300.
- OS operating system
- the RAM 308 functions as a work area for the control unit 306.
- the system bus 309 is a transmission path for transferring commands and data between the above units.
- Each roadside device 100 shown in FIG. 1 includes so-called radio beacons, optical beacons, and the like, which is arranged in the vicinity of a road, a parking lot, or the like, and transmits traffic information distribution to an in-vehicle device 200 of a vehicle passing the vicinity. .
- Each roadside device 100 stores content data to be transmitted and playback control data, and wirelessly transmits the stored content data and playback control data.
- the reproduction control data is data for instructing a condition and a position for reproducing the content data.
- the content data and the reproduction control data each have header information as will be described later.
- the roadside device 100 As shown in FIG. 3, wireless communication unit 101, communication control unit 102, storage device 103, control unit 104, ROM (Read Only Memory) 105, RAM (Random Access Memory) 106 and a system bus 107 are provided.
- wireless communication unit 101 communication control unit 102, storage device 103, control unit 104, ROM (Read Only Memory) 105, RAM (Random Access Memory) 106 and a system bus 107 are provided.
- the wireless communication unit 101 communicates information with the in-vehicle device 200 installed in a vehicle that passes nearby by radio signals such as radio signals and optical signals. For example, the wireless communication unit 101 transmits the traffic information provided from the traffic information distribution server 300 to the in-vehicle device 200. In addition, the wireless communication unit 101 acquires information such as a vehicle ID transmitted from the in-vehicle device 200.
- the communication control unit 102 is connected to the traffic information distribution server 300 via the ITS communication network NW2, and receives the traffic information transmitted from the traffic information distribution server 300.
- the second communication control unit 102 provides the traffic information acquired by the own device to the traffic information distribution server 300.
- the storage device 103 stores traffic information received from the traffic information distribution server 300 and traffic information specific to the device itself.
- the control unit 104 includes a processor and the like, and controls the operation of the entire roadside device 100.
- the control unit 104 transmits the traffic information stored in the storage device 103 from the wireless communication unit 101, and stores the information acquired via the wireless communication unit 101 in the storage device 103.
- the control unit 104 transmits the traffic information acquired by the own device stored in the storage device 103 to the traffic information distribution server 300 via the communication control unit 102 and the ITS communication network NW2, and also distributes the traffic information.
- Information acquired from the server 300 via the communication control unit 102 is stored in the storage device 103.
- the ROM 105 is an operating system necessary for operation control of the entire roadside machine 100.
- the RAM 106 functions as a work area for the control unit 104.
- the system bus 107 is a transmission path for transferring commands and data between the above-described units.
- the in-vehicle device 200 shown in FIG. 1 is installed in each vehicle, for example, a car navigation device and It is constructed integrally. In addition to a general car navigation function, it has a function of reproducing and notifying traffic information transmitted from the roadside device 100.
- the in-vehicle device 200 determines its own position, and receives the content data transmitted from the roadside device 100 via wireless communication and the reproduction control data indicating the position where the content data is reproduced.
- the in-vehicle device 200 detects that the determined position matches the playback position indicated by the received playback control data, the in-vehicle device 200 plays back the content data.
- the in-vehicle device 200 includes a communication unit 201, a sound processing unit 202, an output unit 203, an operation unit 204, an I / O (I tapping / output) device 205, a storage device 206, A control unit 207, a ROM (Read Only Memory) 208, a RAM (Random Access Memory) 209, and a system bus 210 are included.
- the communication unit 201 includes a GPS (Global Positioning System) module 201a, a VICS (Vehicle
- the GPS module 201a receives GPS radio waves from a plurality of GPS satellites and supplies them to the control unit 207.
- the VICS module 201b communicates with the roadside device 100 through the DSC (Dedicated Short Range Communication) method.
- DSC Dedicated Short Range Communication
- the sound processing unit 202 converts the digital audio signal input from the control unit 207 into an analog audio signal using a D / A converter (not shown), and outputs the analog audio signal to the speaker 222. Also, the audio processing unit 202 converts the audio input from the microphone 223 into a digital audio signal by an A / D converter (not shown), and inputs the digital audio signal to the control unit 207. Thus, the user can listen to the navigation voice or input the voice.
- the output unit 203 includes a monitor device, and displays a navigation image or a TV image acquired by the communication unit 201, a map image stored in advance in the storage device 206 or the like, and the like.
- the operation unit 204 is composed of a touch panel type input device or the like, generates an instruction input signal based on an instruction input by the user, and inputs it to the control unit 207.
- the I / O device 205 includes a DVD-ROM (Digital Versatile Disk-Read Only Memory) drive, and reads out data from a DVD-ROM or CD-ROM storing predetermined map information and the like. To enter.
- DVD-ROM Digital Versatile Disk-Read Only Memory
- the I / O device 205 inputs detection signals from the sensor group 225 such as a speed sensor, a travel distance sensor, and an azimuth sensor and supplies them to the control unit 207.
- the sensor group 225 such as a speed sensor, a travel distance sensor, and an azimuth sensor
- the storage device 206 includes a hard disk drive (HDD) and stores predetermined map information (map data), various setting information, and the like. Note that the storage device 206 may include another memory such as a memory card.
- the control unit 207 may read this map information from time to time from a storage medium such as a DVD-ROM storing map information, or read this map information from the recording medium in advance and write it in the storage device 206 (installation). You may do so.
- the control unit 207 is configured by a CPU (Central Processing Unit), and controls the operation of the entire vehicle-mounted device 200.
- CPU Central Processing Unit
- control unit 207 determines the current position of the own device based on the GPS signal received via the GPS module 201a.
- control unit 207 takes in the output of the direction sensor included in the sensor group 225 via the I / O device 205 and determines the current traveling direction of the vehicle. Further, the control unit 207 obtains the travel distance from the output of the distance sensor.
- control unit 207 receives traffic information from the roadside device 100 via the VICS module 201b, and regenerates it based on the reproduction timing control data (parameter) included in the received traffic information.
- control unit 207 may include a coprocessor or the like.
- ROM 208 is an operating system (O
- the RAM 209 is for temporarily storing data and programs, and retains data acquired by the communication unit 201, data read from a DVD-ROM, and the like.
- the control unit 207 uses the RAM 209 as a work memory.
- the system bus 210 interconnects the above-described units to transfer instructions and data. It is a transmission route.
- the in-vehicle device 200 functionally includes a data acquisition unit 251, a parallel reproduction determination unit 252, a data reproduction unit 253, a self-position detection unit 254, and a position matching determination.
- the data acquisition unit 251 acquires from the roadside device 100 one or more content data to be reproduced.
- This content data includes a control parameter that indicates the playback condition.
- the content data is, for example, moving picture data such as MPEG (Moving Picture Experts Group) opening type, still picture data such as JPEG (Joint Photographic Experts Group) format, audio in TTS (Text-to-Speech) format Includes text data such as data and character information
- the data acquisition unit 251 decodes data received by the communication unit 201, such as moving image data, still image data, audio data, text data, or the data stored in the storage device 206 as predetermined. Read and acquire at the timing of.
- the data acquisition unit 251 is configured by the control unit 207, the communication unit 201, and the storage device 206 operating in cooperation.
- the data playback unit 253 plays back content data.
- the data playback unit 253 determines whether or not a plurality of contents need to be played back in parallel when playing back the content based on the determination of the parallel playback determination unit 252 and is attached to each content. Whether or not the playback condition V is satisfied is determined from the determination results of the position match determination unit 255 and the direction match determination unit 257, and the content is played back.
- Position match determination unit 255 is configured by control unit 207, and the position acquired by the control information when the content acquired by data acquisition unit 251 specifies the position to play back the content.
- the self-position detecting unit 254 collates with the self-position detected by the self-position detecting unit 254 and matches (is within a predetermined error), the data reproducing unit 253 is permitted to reproduce data.
- the direction coincidence determination unit 257 is configured by the control unit 207, and the content power acquired by the data acquisition unit 251 specifies the traveling direction of the vehicle as a condition for reproducing the content.
- the direction indicated by the control information and the traveling direction of the host vehicle are compared, and if they match (within a predetermined error), the data reproduction unit 253 is permitted to reproduce data.
- the self-position detection unit 254 detects the current position by processing the GPS signal.
- the self-position detecting unit 254 is composed of parts that process the GPS signals of the communication unit 201 and the control unit 207.
- the traveling direction detection unit 256 has a function of detecting the traveling direction of the vehicle, and includes a direction sensor, a ⁇ / O unit, and a control unit 207.
- Content data to be reproduced includes a combination of data to be reproduced simultaneously or in parallel. For example, it is a combination of map image data of a certain display area and audio data explaining the tourist information of the display area.
- “simultaneous” means that the playback timings do not need to be exactly the same, but only part of the playback timing may overlap.
- the content provider data distributor
- a header area is provided in the content data, and a playback condition is set in the header area for distribution, and the in-vehicle device plays back the content according to the playback condition.
- the content can be played back as intended by the content provider.
- FIG. 6 shows the header information of the content data and playback control data
- FIG. 7 shows the structure of the data that follows the header information shown in FIG. 6 as content data.
- a still image data portion, a moving image data portion, an audio data portion, a text data portion and the like constituting the content data are recorded.
- FIG. 8 shows the structure of data following the header information shown in FIG. 6 as playback control data.
- items such as when to play back which content is recorded.
- the header information includes information such as PUSH ID, language ID, Application Type, Content Type, PRIORITY, Content Size, Push Body Length.
- the language ID is information indicating the language type of the content data to be distributed, and the data size is 2 bytes.
- the Application Type any content type can be specified.
- Content Type indicates the type of data, for example, whether the data is moving image data such as MPEG format, whether it is still image data such as JPEG format, or text data such as character information. This is information indicating another. This information is necessary for the roadside device 100 to properly reproduce the data (for example, to prevent the image data from being displayed as text characters).
- Audio data in TTS (Text-to-Speech) format can also be described as the Content Type, for example, in hexadecimal notation "0x28".
- the data is display control data, for example, as "0x91" in hexadecimal notation
- the display control data is TO
- Content Size and Push Body Length are information necessary for the in-vehicle device 200 to smoothly reproduce data.
- PRIORITY is information indicating the priority in which the in-vehicle device 200 plays back the data that is push-distributed from the content provider side.
- the data size is 2 bits.
- PRIORITY “3” is the highest priority for interrupting the process currently performed by the in-vehicle device 200 and playing back the content data that has been push-distributed.
- PRIORITY "2" indicates that the push-delivered content data is to be played after the processing currently performed by the in-vehicle device 200 is completed.
- PRIORITY “0” is a general push distribution, and indicates that it is played back or not played back in a mode set by the user.
- the PUSH ID is an identification code assigned to each content data, and a numerical value (for example, an integer from 0 to 255) that can be expressed by 1 byte is used.
- the combination of content data to be played back simultaneously is moving image data, still image data, sound It is a combination of several types of voice data, text data, etc., and usually the number of data to be reproduced simultaneously is several to several tens. For this reason, the PUSH ID can be expressed in 1 byte by cyclically using the unique number.
- the PUSH ID is used as a part of the file name of the data, and the PUSH ID of the data can be specified by acquiring the file name.
- the display time itself may be specified. There is also an instruction to leave it to the specifications of the in-vehicle device 200. Or, for example, if the content data is text and the audio content data is intended to be played at the same time, the content data of other content data will be displayed whenever the text is displayed until the end of the voice utterance.
- the playback time may be determined as a predetermined function of the playback time.
- the identification ID shown in FIG. 8 is, for example, a number for distinguishing whether the content data is an icon and whether it is a still image.
- an icon the data reproduction device is informed that it is necessary to continue to be displayed at a position corresponding to, for example, a predetermined location on the map displayed on the output unit of the in-vehicle device 200 that is a car navigation system in-vehicle device.
- a still image it must be communicated to the data reproduction device that it is necessary to pop up and display at a predetermined position with reference to the monitor frame.
- a distinction ID or, for example, text content data The power that should be popped up in Utah, or a title (e.g., advertising title) that is a name given to the content that will not be displayed directly, but will later help the user organize the data in storage 206. Used to distinguish between certain forces.
- the identification ID contributes to this communication.
- the header of the content data other than the display control data includes a matter that makes it possible to specify other content data to be reproduced simultaneously with the content data after the 23rd byte. Recorded
- Content data other than display control data has a hierarchical structure. That is, first, the time to be played) First Contents, Second Contents, ..., Contents, th
- Data for which there is no other data to be reproduced at the same time can constitute one Contents with only one piece of the data.
- Figure 7 shows the content data to be played back first at the same time in j Contents.
- FIG. 7 This is an example of the structure of a saddle.
- the three content data are schematically shown as being played back at the same time.
- Push IDs of other content data in the data group that is one combination to be reproduced simultaneously are recorded in order.
- the data size of Push ID is lByte as described above, IB yte is required to specify one Push ID.
- the other n Push IDs that should be played at the same time (
- the DSRC distributor ID is information for indicating the provider of the content data, that is, for specifying the data distributor, and the data size is 4 bytes.
- the communication method between the in-vehicle device 200 and the roadside device 100 is DSRC (Dedicated Short Range Communication) that is generally used in push distribution.
- the control unit 207 of the in-vehicle device 200 can allow / disallow the reception of content data provided from a specific provider based on the DSRC.
- the control unit 207 includes a DSRC distributor ID of content data acquired by push distribution and a DSRC distributor ID list (not shown) stored in the storage device 206 in advance. ), It can be determined whether or not the content data should be displayed on the monitor.
- the classification code is recorded in the 25th to 32nd bytes.
- the classification code indicates, for example, the advertising company ID for identifying the advertising company that sponsors the data provider, and the material of the product handled by the service provider that the data distributor intends to guide the driver there. Material ID and product name ID handled by the service provider. These can also be used for content selection (filtering) by the driver, as described for the DSRC distributor ID. For example, if a driver is looking for a cafeteria that provides food, excludes stores that provide bread and rice based on the ID, and only the data distributed by the cafeteria that provides food is installed in the vehicle. Can be displayed on the 200 monitor screen.
- classification codes There are various other classification codes. For example, if a category ID having a tree structure is defined, a driver searching for a hospital on a holiday selects, for example, “living information” first from the top menu via the operation unit 204, By further selecting “Today's on-duty doctor”, you can achieve your goals. Items that change according to the day of the week and the period, such as the on-duty doctor on holiday, are displayed as "Information valid period start”, “Information valid period end", and "Business days and hours” as described later. Recorded in the header of the control data. Therefore, in the filtering performed by the control unit 207 in cooperation with the storage device 206 in accordance with the operation program written in the ROM 208, items other than the classification code recorded in the header of the display control data are also referred to.
- the classification code is also an easy-to-use form for discount sales notifications that are limited to a predetermined time zone at the service provider, which is the base on the data distribution side, and for coupon utilization information. Good.
- the push ID of the title is recorded in the display control data.
- This title may be stored in the storage device 103 of the in-vehicle device 200, which does not necessarily have to be viewed by the driver via the monitor or the speaker 222.
- the driver usually does not need to pay attention to what information is sent from the roadside machine, but organizes and selects the data stored in the storage device 103 via the touch panel and the operation unit 204. If you want to use it, you can use the title of the title as a clue (display a list of titles on the monitor). The power S ).
- the display control data includes an information provision start position.
- the information provision start position is a position set by the data delivery side, and is specified by a combination of latitude and longitude, for example.
- the data distribution side for example, a service provider that is its base, and a roadside machine installed parking lot that is expected to perform push distribution of content data distributed by the data distribution side, In the meantime, it is preferable to set the information provision start position. After the push distribution is performed to the in-vehicle device 200 installed in the car that has entered the parking lot for the driver's break etc.
- the driver happens to be When the vehicle is driven in the direction, if the vehicle is at the starting point of information, and the advertisement of the service provider is displayed on the monitor of the data playback device at the moment, the driver will go to the original destination. This is because there is a high possibility that the service provider will stop by.
- the information provision start position is not limited to one, and multiple locations may be set so as to surround the service sales office. In this way, the driver can be guided to the service provider from all directions.
- the power of using 1 byte as the information provision start position is merely an example, and if a large number of information provision start positions should be set as described above, the position information thereof More storage capacity may be allocated so that all can be recorded.
- the display control data includes an information provision start distance. This is to make it possible to reproduce data from the moment the vehicle has traveled the distance after receiving push distribution from the roadside device 100.
- an information provision start distance This is to make it possible to reproduce data from the moment the vehicle has traveled the distance after receiving push distribution from the roadside device 100.
- the content can be viewed by the driver at a timing that is advantageous to the data distributor. There is a possibility that it can be received.
- the above information provision start position is used as a trigger for starting data reproduction, if the car leaves the parking lot and travels in the opposite direction to the service provider, it has meaningless or bought a driver's bag.
- the data size is smaller than that of specifying coordinates.
- the display control data includes an information provision direction. Data distribution side services as described above If the information provision start position (34th byte) is set so as to surround the provider, for example, the service provider has already received the service and has left the service provider (that is, the service provider) When the car reaches in a direction away from the vehicle, the content data playback by the in-vehicle device 200 is started. The same applies when the driver is not willing to receive the service and moves away from the service provider. If the playback of the content data is started until the moment, the driver may feel annoyed and have an unpleasant impression on the data delivery side. This will not benefit the data delivery side. Therefore, in this embodiment, in addition to the information provision start position, the information provision direction can be designated.
- the direction of information provision may be rough information, for example, east, west, south, and north. It is preferable that the data distribution side designates the direction from the information provision point to the service provider as the base of the data distribution side as the information provision direction.
- the vehicle-mounted device 200 does not give data reproduction permission to the data reproduction unit 253, but only matches the direction by simply determining that the position coincides with the information provision start position by the position coincidence determination unit 255 (Fig. 5). It is preferable that the data reproduction unit 253 start data reproduction after obtaining a determination result that the self-traveling direction matches the information providing direction via the determination unit 257.
- the information provision direction may be, for example, the direction expressed as 'up' and 'down', the direction in which the road extends (for example, a rough direction using place names or proper nouns such as “Shibuya”), etc.
- road type There are many ways to use this information. For example, if information about a one-way road is described, the above information provision start position happens to be a road that can only travel in a direction away from the above service provider. In this case, it is possible to prevent the data reproduction unit 253 from reproducing the data even when the information provision start position is reached. As already mentioned, there is a case where data is not profitable even if data is regenerated in an automobile moving away from the service provider.
- the road type may be, for example, a general road, a highway, a toll road, a bypass, a national highway 'prefectural road', a municipal road, a tunnel, or a bridge.
- the number of lanes for example, two lanes on one side
- width for example, traffic restrictions (for example, speed, lane, time, season, vehicle type, width, height, weight, etc.)
- paving traffic volume (E.g. statistically jammed Easy roads, etc.), uphill 'downhill' flatness, and frequency of traffic accidents.
- roads with undulating terrain, roads with many curves, roads closest to the coastline, etc. may be used, and the data distribution side (content data providing side) can also be set freely.
- the display control data includes a target point position, that is, a geographical position that the data distribution side uses as a service providing base. This position is represented by a combination of latitude and longitude, for example. For example, if the distance is recorded continuously, the in-vehicle device 200 reaches the circumference of a circle having a predetermined radius (the distance) centered on the position of the service provider (the target point position). By performing the reproduction, it is possible to save the trouble of individually determining the information providing position described above.
- a data area for specifying the length of this radius is further provided in the display control data, and the position coincidence determination unit 255 determines whether or not the current position of the in-vehicle device 200 is a place away from the target point position by the distance indicated by this radius. Can be determined. Thereby, the trouble of individually determining the above-described information provision start position can be saved. For example, instead of specifying multiple information provision start positions individually, it can be specified as “positions within X meters from the target point position”, and many playback start positions can be specified with a small amount of data. . In other words, if one target point position is specified, a plurality of information provision start positions are substantially specified.
- the target point position is used, the amount of data stored in the header area can be reduced, and the effect becomes greater as more playback start positions are desired. If the radius length is set to a fixed value, there is no need to provide a data area for specifying the radius length, so that the playback start position can be specified more efficiently.
- the amount of change in position per unit time can be further stored in the header area. That is, the position coincidence determination unit 255 calculates the amount of change in the position detected by the self-position detection unit 254 (the position of the vehicle-mounted device 200 at the first time and the position of the vehicle-mounted device 200 at the second time). Further, the position matching determination unit 255 is a place where the current position of the in-vehicle device 200 is separated from the target point position by the distance indicated by the radius, and the calculated change in position is specified in the header area. Determine whether or not it is greater than (or less than) the threshold change amount. The calculated change in position is greater than or equal to the threshold change (or less).
- the data playback unit 253 starts playback of the content data.
- the content data it is possible to control the content data to be played (not to be played) depending on how fast the playback start position is reached only by whether or not the positions match.
- an automobile equipped with the in-vehicle device 200 is reaching a place away from the shopping center, which is the target location, by the radius (that is, the location where playback should be started), but unfortunately gets stuck there.
- you arrived by driving slowly you can provide content data that guides you to the "passage" in consideration of traffic jams to the in-vehicle device 200, or provide content data such as music and videos that will relax the driver.
- the power to do S In this way, if the threshold change amount is used, the content data can be changed according to the situation where the user is placed.
- the display control data includes an information valid period start time and an information valid period end time.
- the information valid period is, for example, the period during which a limited-time discount bow I campaign is continued. If the information is recorded and the content data is played back only within that period, the driver who has arrived at the service base on the data distribution side for the discount campaign will have already finished the campaign. The trouble of disappointing without receiving the benefits is eliminated, and it is possible to prevent disadvantages such as image down on the data distribution side.
- the beginning and end of the information validity period are expressed using the date, time, day of the week, or a combination of these. Further, only when the information validity period starts or only when the information validity period ends may be provided. For example, “after 0 month 0 day”, “until 0 month 0 day”, etc. may be used.
- the display control data includes business days and business hours. This purpose is the same as the purpose of recording the information related to the information validity period described above, but the driver has arrived at the service provider but the service provider is closed because it is out of business hours! This is to prevent any trouble.
- j Contents includes N pieces of content data. Display control th j
- the header area is complete when recording to the Push ID number of the data is completed.
- the Push ID number of the first content data in First Contents is recorded in the next 1 byte. The same applies to the following, Pushing the last (Nth) content data in First Contents
- the ID number is recorded in the (62 + N) Byte, and the record related to First Contents is completed.
- Business hours shall be divided in units of one hour. In order to indicate the business hours on Sunday, 3 bytes in total from 41th byte to 43rd byte are used. This ensures 24 bits and is convenient, consistent with 24 hours a day. As shown in Fig. 9, 1 hour is assigned to each bit, and ";! Is recorded for the bit corresponding to the business hours, and "0" is recorded for the bit corresponding to the non-business hours. . For example, if the opening time on Sunday of the service provider on the data distribution side is 10:00 am and the closing time is 5 pm, the 41st byte is all 0, the 42nd byte is the 7th bit and the 6th bit is 0. The 5th to 0th bits are 1, the 43rd byte is 1 in the 7th bit, and the other bits are 0.
- the parallel reproduction determination unit 252 determines whether there is other content data to be reproduced in parallel with one of the content data acquired by the data acquisition unit 251. Power. Specifically, the parallel playback determination unit 252 converts the content data included in each content based on the information related to the Push ID included in the header information of the acquired display control data (from the 62nd byte in FIG. 8). Identify. Subsequently, the parallel playback discriminating unit 252 includes information related to the Push ID included in the header information of the specified content data (content data other than the display control data) (the 23rd byte to the (24 + n) th byte in FIG. 10). (However, 1 j, k
- the parallel reproduction determination unit 252 inputs this determination result to the data reproduction unit 253.
- the control unit 207 functions as the parallel reproduction determination unit 252.
- the data reproducing unit 203 is prompted to start data reproduction by the position coincidence determining unit 255 and the direction coincidence determining unit 257, and the other content data to be reproduced in parallel with the content data by the parallel reproduction determining unit 252.
- playback of other content data to be played back simultaneously with the content data is started in parallel.
- the control unit 2007, the sound processing unit 202, and the output unit 203 operate in cooperation to function as the data reproduction unit 253.
- the data power distributed from the content provider side is a data group as shown in FIG.
- the header of the display control data D1 (which contains the TOC information) reveals that the number of content data in First Content s is 3 ⁇ 4, so 2 bytes of data are referenced, Must be Push ID of the first content data in First Contents It turns out that the push ID of the second content data is N + 3 (arrow (1) in Fig. 10). Similarly, it is found that third content data is included in Second Contents, and each has a Push ID of N + 4 to N + 8 (arrow (2) in FIG. 10). Also, the title Push ID is recorded in the header of the display control data D1 (arrow (3) in FIG. 10).
- the parallel reproduction determining unit 252 determines that it exists.
- the data reproducing unit 253 does not immediately start the reproduction of the data D3 of the acquired text T1, but waits until acquiring other data to be reproduced at the same time as the data.
- the playback of text T1 D3 and voice SI data D4 corresponding to PUSH IDs N + 2 and N + 3 is circled by a dotted line in FIG. Start in parallel as shown.
- the data reproducing unit 253 can reproduce the content data as it is produced with the intention that the content providing side reproduces at the same time. For example, it is possible that the data D3 of the text T1 is displayed on the monitor with navigation as characters, and at the same time, the voice S1 that is the voice for reading it out is emitted from the speaker 222.
- First Contents is intended to play back all (2) content data contained in it at once, whereas Second Contents is divided into two groups. . In other words, there are two stages of simultaneous playback. This cannot be read directly from the header part of the display control data.
- a certain text T2 data D5 header information is referenced.
- the position match determination unit 255 and the direction match determination unit 257 determine whether to start data reproduction. For example, it is determined whether or not the information providing point has been passed toward the target point (step S801). This process is performed continuously. That is, step S801 is repeated (step S801) until the determination result is Yes (step S801; Yes). ⁇ ).
- step S801 When the position match determination unit 255 and the direction match determination unit 257 determine that the content data should be played back (step S801; Yes), the data playback unit 201 receives the display control data from the storage device 206. Read (step S803).
- step S805 content data is acquired (step S805), and the parallel playback determination unit 252 determines whether there is other data to be played back simultaneously with the content data (step S807). This determination is made using the information recorded in the header of the content data as described above with reference to FIG.
- step S807 If it is determined that there is other data to be played back simultaneously (step S807; Yes), the process returns to step S805, and other content data is acquired. That is, the process of step S805 is repeated until all of the content data to be played back is read out simultaneously.
- Step S807 If it is determined that there is no other data to be reproduced at the same time (or the data has been read out) (Step S807; No), it is determined whether or not there are a plurality of data to be reproduced at the same time (Step S809). . This determination is also made by using the information recorded in the content data header as described above with reference to FIG.
- step S809 When it is determined that there is not a plurality of data to be played back simultaneously (that is, only one piece of data should be played back independently) (step S809; No), the data playback unit 253 reads the content data of one read out. Playback is started (step S811).
- step S809 if it is determined that there are a plurality of data to be played back simultaneously (step S809; Yes), the data set to be played back simultaneously is determined based on the information recorded in the header of the content data. (Step S813), the data included in the data set is started to be reproduced simultaneously (Step S815). In this way, the data playback unit 253 can play back the content data as it was created with the intention of being played back simultaneously by the content provider (data delivery side).
- the data reproducing unit 253 determines whether or not the reproduction should be terminated (step S817). For example, whether or not the playback time indicated by the DISPLAY TIME recorded in the header has elapsed, whether or not the playback time defined in the specifications of the onboard machine 200 has elapsed, It is determined whether or not a particular one of the generated data has been completed.
- step S817; No If it is determined that the reproduction has not ended (step S817; No), the data reproduction unit 253 continues reproduction of the content data being reproduced. On the other hand, when it is determined that the reproduction is completed (step S817; Yes), it is determined whether there is other data to be reproduced next (step S819).
- step S819 In the example of Fig. 10, there are two sets of data to be played back simultaneously in Second Contents, so when the first set of simultaneous playback ends, the second set of simultaneous playback is performed. This is equivalent to determining whether or not to be performed. For example, it is determined whether or not the user wishes to continue watching Second Content and has transmitted the fact to the control unit 207 via the touch panel and the operation unit 204.
- step S819; Yes If it is determined that there is data to be reproduced next (step S819; Yes), the process returns to step S805. If it is determined that there is no data to be reproduced next (step S819; No), the processing is terminated.
- the position coincidence determining unit 255 and the direction coincidence determining unit 257 read the display control data (step S901), and determine whether or not to start data reproduction (step S903). For example, it is determined whether the information provision start position is directed to the target point position, and whether or not the information provision start position is passed. This process is performed continuously. That is, step S903 is repeated (step S903; No) until the determination result is Yes (step S903; Yes).
- step S905 content data is acquired (step S905), and the parallel playback determination unit 252 determines whether there is other data to be played back simultaneously with the content data (step S907). This determination is made using the information recorded in the header of the content data as described above with reference to FIG. If it is determined that there is other data to be reproduced at the same time (step S907; Yes), the process returns to step S905 to acquire other content data. That is, the process of step S905 is repeated until all of the content data to be reproduced at the same time is read out.
- Step S907 When it is determined that there is no other data to be reproduced at the same time (or the data has been read out) (Step S907; No), it is determined whether or not there are a plurality of data to be reproduced at the same time (Step S909). . This determination is also made by using the information recorded in the content data header as described above with reference to FIG.
- step S909 When it is determined that there is not a plurality of data to be played back simultaneously (that is, only one piece of data should be played back independently) (step S909; No), the data playback unit 253 reads the content data of one read out Playback is started (step S911).
- step S909 if it is determined that there are a plurality of data to be played back simultaneously (step S909; Yes), the data set to be played back simultaneously is determined based on the information recorded in the header of the content data. (Step S913), reproduction of data included in the data set is started simultaneously (Step S915). In this way, the data playback unit 253 can play back the content data as it was created with the intention of being played back simultaneously by the content provider (data delivery side).
- the data reproduction unit 253 determines whether or not the reproduction should be terminated (step S917). For example, whether or not the playback time indicated by DISPLAY TIME recorded in the header has passed, whether or not the playback time defined in the specifications of the onboard 200 has passed, and the data that is played back simultaneously It is determined whether or not a particular one of the items has been completed.
- step S917; No If it is determined that the reproduction has not ended (step S917; No), the data reproduction unit 253 continues reproduction of the content data being reproduced. On the other hand, when it is determined that the reproduction is completed (step S917; Yes), it is determined whether there is other data to be reproduced next (step S919).
- step S917; Yes it is determined whether there is other data to be reproduced next.
- step S919 If it is determined that there is data to be reproduced next (step S919; Yes), the process returns to step S905. If it is determined that there is no data to be reproduced next (step S919; No), the processing is terminated.
- the position coincidence determining unit 255 and the direction coincidence determining unit 257 set the reproduction start condition as “the vehicle passes through the information providing start position in the information providing direction, in step S903”. You may define other conditions.
- the playback start condition “the current position of the vehicle matches (does not match) the information provision start position”. For example, “pass through the crossing”.
- the playback start condition “the vehicle travels the information provision start distance after receiving the content data (runs and records!)” Or “the vehicle starts providing information from the location where the content data is received. Until it travels a distance ”. For example, “the vehicle passes X intersection and travels X meters”, and “the vehicle travels from the intersection to X meters”. The unit of distance is arbitrary.
- the regeneration start condition “the moving direction of the vehicle matches (does not match) the information providing direction”. For example, “Your vehicle is heading in the direction of a department store” or “Your vehicle is moving away from the city center”.
- the direction may be an accurate azimuth or a rough direction such as east, west, south, and north. However, in this embodiment, it is set to 16 azimuths as in the general specification of VICS. If the moving direction of the vehicle is included in a direction within a predetermined angle range centered on this information providing direction, it may be considered that these forces S-match.
- the playback start condition “the current position of the vehicle is separated from the target location by a predetermined distance” or “the location of the vehicle is per unit time from the target location.
- Approach (depart) a predetermined distance. " For example, “Our vehicle is more than X meters away from the department store”, “Our vehicle is approaching the service area at more than X kilometers per hour”.
- the playback start condition “current date and time is within the information validity period (not)”. For example, “Today is the first day of OO department store opening of 000 department stores”, “Today is the first day of three consecutive holidays”, “Current midnight discount time zone (from 0:00 to X hours X minutes) ) ".
- any of these may be adopted as the playback start condition, or the playback start condition may be determined by arbitrarily combining them.
- Fig. 12 (a) the example of push-delivered data follows that shown in Fig. 10 as it is.
- the first two data are display control data that gives TOC information, and title data that is useful when organizing the storage device 206, etc. No indication on the monitor of the on-board machine 200 or utterance from the speaker 222 is performed.
- FIG. 12 (b) to 12 (d) are schematic diagrams of the monitor and speaker 222.
- FIG. On the monitor 124 for example, a road map near the current position (roads, intersections, traffic lights, post offices, and houses are shown as an example) and a road guidance display for the driver to reach the destination ( A curved arrow with the meaning of "turn left after 140m" is shown as an example.) And the driver's position (a triangle is shown in the circle to indicate the current location and direction of travel). Is displayed.
- the star is The data distribution side force S that push-distributed the content data shown in Fig. 12 (a), the information provision start position set (34th byte in Fig. 8) with the predetermined intention, and is actually displayed on the monitor 124 There is no need to
- Figures 12 (b) to (d) are time-sequential in this order.
- the car approaches the information provision start position (Fig. 12 (b)), then crosses the position (Fig. 12 (c)) and approaches the intersection! /, Te! /, (Fig. 12 (d )).
- the data reproduction unit 253 is prompted to reproduce the data by the position coincidence determination unit 255.
- Push ID N + 4 text T2 data
- Push ID N + 5 voice S2 data
- Push ID N + 6 still image PI data
- force force
- FIG. 13 is a schematic diagram showing the relationship between the playback operation of the in-vehicle device 200 according to the present embodiment, push delivery by the data delivery side, and service provision at the service provider serving as the base.
- the roadside device 511 pushes to the in-vehicle device 200 as the car navigation on-vehicle device mounted on the vehicle 501 by transmitting and receiving radio waves. Distribution is performed.
- the push distribution content is intended to allow the data distribution side to guide the driver of the car 501 to the service provider 521 that is the base and receive the service provided by the service provider 523 of the service provider. This is the content of the advertisement created.
- the data distribution side notifies the in-vehicle device 200 of a timing suitable for data reproduction by indicating the information provision start distance instead of the information provision start position. It may be.
- the distance to the parking lot force A point where the roadside machine 511 is installed is measured in advance, and the distance is set as the information providing start distance. This is easier than setting the information provision start position using the coordinate axis, etc., but if the car 501 turns right after it leaves the parking lot, Data playback starts at the B point that makes a pair. Even if data reproduction is started at point B and the driver recognizes the existence of the service provider 521, the driver must turn back to get to the service provider.
- the guidance force to is reduced compared to the case where regeneration is started at point A. That is, the effect as an advertisement is reduced.
- the driver 1 is provided with the service by the service providing device 523, and pays the price, for example, to bring the profit to the data distribution side.
- the roadside machine 513 is also provided in the parking lot of the service provider 521, and when the radio signal transmitted from here and under the control of the data distribution side is received by the in-vehicle device 200 mounted on the car 503, A predetermined flag is set in a predetermined area in the storage device 206 of the in-vehicle device 200.
- This predetermined flag is used to indicate that it is not necessary to reproduce the content data because the automobile 503 has already stopped at the service provider 521. If a function for managing the flag for the in-vehicle device 200 is added, a vehicle equipped with the in-vehicle device 200 with a predetermined flag will be returned to the A point after leaving the service provider 521. However, if the power is strong, the reproduction of the content data is not repeated. If the reproduction is repeated, it may cause the driver to have an unpleasant impression and never stop at the service provider. The mechanism is in line with the intention of the data distribution side.
- the data reproducing apparatus includes the direction coincidence determining unit 257, the automobile 501 has arrived near the service provider 521 through the road with the information provision start position set. Later, when the road where point A in the figure is set goes from point A to point B in the opposite direction (ie, when moving away from service provider 521), the data is reproduced. Is not done. If playback is performed, the driver feels forced to make a U-turn, and the service provider 521 has an unpleasant impression, which is a disadvantage for the data distribution side. In order to prevent such a situation, the direction coincidence determination unit enables data reproduction in accordance with the intention of the data distribution side.
- the specifications of the service provision device 523 are under the control of the data distribution side.
- Surveyed by commercial data generator 525 from time to time. Based on the results of the survey, the commercial data creation device 525 creates content data (both display control content data and other content data) and transmits it to the roadside device 511 for optimal And it works to push the latest information.
- the commercial data creation device 525 is also used for the roadside machine 513 installed in the parking lot of the service provider 521. For example, the above-mentioned flag is transmitted.
- the information provision start position need not be limited to one point A. As described above, it is advantageous to install a large number of service providers 521 so as to be able to guide drivers to the service provider from all directions.
- the commercial data creation device 525 checks the specifications of the non-commercial data creation device 531 and creates commercial data based on the results. Specifically, for example, if it is known that the non-commercial data creation device 531 creates non-commercial data such that the vicinity of the C point where the intersection is located is set as the information provision start position, the commercial data creation device 525 Commercial data should be created so that point D is far away from the information provision start position.
- the specifications of the non-commercial data creation device 531 are expected to be disclosed to the public in view of the public interest of the device. Therefore, it is considered easy for the commercial data creation device 525 to investigate the specifications of the non-commercial data creation device 531.
- the geographical position where the reproduction of content data is started is a point (point) using latitude and longitude.
- a geographical region (region) including this point is used instead of the point. This is different from the above-described embodiment. This will be described in detail below.
- this geographical area is typically an area within a circle centered on the information provision start position 610 and having a predetermined distance R1 as a radius.
- this circular area is referred to as an information provision start area.
- the point that becomes the center of the circle can also be specified at the information provision start position 610. It may be specified as the circumference of a circle having a radius R2 centered at the target position 620.
- the length of the predetermined radius R1 is provided to the in-vehicle device 200 in association with the information provision start position 610. That is, in the display control data, in addition to the information provision start position 610, data specifying the length of the radius R1 is stored.
- the data reproduction unit 253 the data reproduction unit 253
- the in-vehicle device 200 (vehicle equipped with) is present in the information provision start area (in the circular area of radius R1).
- the in-vehicle device 200 (vehicle equipped with) is traveling in the information provision direction Y1. If the V and the deviation are satisfied, the data playback unit 253 starts playback of the specified content data. That is, “ ⁇ and (b)” is the reproduction condition. For example, the force that satisfies the regeneration condition when the vehicle enters in the direction of arrow Yi in this figure The regeneration condition is not satisfied when the vehicle enters in the direction of arrow Y2 that is different from the direction of arrow Y1 (the reverse direction in this example) .
- the position matching determination unit 255 determines that the in-vehicle device 200 (own vehicle) exists in the information provision start area, and the direction matching determination unit 257 determines that the in-vehicle device 200 (own vehicle) is in the arrow Y1 direction. If it is determined that is moving, the data playback unit 253 starts playback of the acquired content data.
- the length of the radius R1 that designates the information provision start area in (a) can be either fixed or variable, and can be used according to the purpose. Typically, it is about the width of the road on which the vehicle equipped with the onboard machine 200 is currently running. For example, 1 If it can be replayed along the general road of the book! /, If it is around 10 meters! /, Then the road next to the running road and other nearby areas (eg on the street) If it is desired to regenerate even in parking lots, facilities, etc.), it may be widened to several tens to several hundreds of meters.
- the content data to be reproduced can be changed in the direction of the lane in one direction, for example, in the upward direction and the downward direction.
- the data acquisition unit 251 can read the map information around the currently running road from the storage device 206 and obtain the length of this width.
- the in-vehicle device 200 receives an instruction input from the user for the operation unit 204 to specify the length of the radius R1, and the position matching determination unit 255 and the direction matching determination unit 257 are based on the received instruction input. It is sufficient to determine whether or not the reproduction condition is satisfied based on the position and direction as described above.
- the length of the radius R1 once set is stored in the storage device 206, and used after the judgment of the reproduction condition from the next time.
- the operation unit 204 may directly accept the length of the radius R1 from the user, and the user can also freely select the candidate strengths provided in advance at large, medium, and small levels (the number of steps and the length is arbitrary). It may be specified.
- variable radius R1 is desirably content data that does not mislead the user even if the place where playback is to start is changed. Therefore, a flag indicating whether the radius R1 may be changed (ON / OFF) is further stored in the display control data, and the data acquisition unit 251 corresponds to the display control data in which this flag is set to ON. For content data, the radius R1 setting change is valid, and for content data corresponding to display control data set to OFF, the radius R1 setting change can be invalidated.
- Step S801 of the above-mentioned flow chart is! /
- the playback condition is replaced with "(a) and (b)"! /
- the content data distributed from the roadside device 100B is set as return data (" Thank you for the use ").
- the data acquisition unit 251 receives the outbound data at the roadside device 100A, and when the host vehicle reaches the information provision start area in the direction of arrow Y1, the data reproducing unit 253 reproduces the outbound data. However, the outbound data is not reproduced when it reaches the information provision start area in the direction of arrow Y2. Instead, the data reproduction unit 253 reproduces the return road data acquired from the roadside device 100B when the vehicle reaches the information provision start area in the direction of arrow Y2. When the vehicle reaches the information provision start area in the direction of arrow Y1, the return data is not reproduced.
- both the roadside data 100A and 100B may distribute both the forward path data and the backward path data.
- the content provider does not have to consider which content data should be distributed from which roadside device, which makes it easy to manage the content data.
- the content data to be played can be easily changed depending on which region the vehicle on which the vehicle-mounted device 200 is mounted enters from which direction. It is also possible to adopt an embodiment in which the reproduction condition described here is replaced with the force “condition for reproduction” used in the sense of “condition for starting reproduction”.
- an area within a circle centered on the information provision start position 610 and having a radius of the predetermined distance R1 is an area where the reproduction of content data is started.
- the reproduction of the content data received from the roadside device 100 is started.
- the road on which the vehicle-mounted device 200 travels is a general road (excluding one-way traffic), and a highway 630 passes almost parallel to the immediate vicinity.
- the playback condition is “(&) and (b)” as described above, the in-vehicle device 200 is in the same direction as the information provision direction Y1 in this circular area.
- the content data playback is started.
- playback of content data such as advertisements and advertisements while driving on the expressway 630 may hinder driving.
- advertising / advertisement etc. of the service provider at the target location 620 is performed on the in-vehicle device 200 of the own vehicle traveling on the expressway 630. Even if it is provided, it is expected that there will be little merit for the service provider.
- the in-vehicle device 200 (vehicle equipped with) is traveling on the road specified by the road type.
- the reproduction condition is “(a) and (b) and (c)”.
- the road type is information stored in the display control data described above. In this example, there are only three types of roads: highways, ordinary roads, and one-way streets, but it goes without saying that other types of classification may be used.
- the position matching determination unit 255 determines that the in-vehicle device 200 (that is, the own vehicle) exists in the information provision start area, and the direction matching determination unit 257 moves the in-vehicle device 200 in the arrow Y1 direction.
- the data reproduction unit 253 starts reproducing the acquired content data.
- the position matching determination unit 255 reads the map information stored in the storage device 206, acquires the type of road that is currently running! /, And whether the acquired road type matches the specified road type. Determine whether or not.
- general roads are further subdivided, and roads that intersect three-dimensionally are not. It is also possible to classify roads and define regeneration conditions. Three-dimensional intersections include elevated intersections and tunnel intersections. For example, even if it is a general road, on large trunk roads, it is possible to make a structure that allows you to turn right and left by crossing straight lanes and eliminating intersections on other lanes while setting intersections on other lanes! is there. Such traffic points are also stored in advance in the map information, and it is also possible to determine whether or not the reproduction condition is satisfied based on whether or not the position matching determination unit 255 is a three-dimensional intersection.
- the position matching determination unit 255 determines whether or not the target point position can be reached when the vehicle travels on the road on the basis of the target point position and the road type in the display control data. Is determined. If it is determined that it cannot be reached, the data reproducing unit 253 does not reproduce the content data associated with the display control data. If it is determined that it can be reached, it may be played back.
- the content can be used regardless of whether the vehicle is traveling on the road Rl or R2 as long as it is in the designated information provision direction within the designated information provision start area.
- the data will be played back. Therefore, if the road type that takes into account the three-dimensional intersection is used, the content data of the advertisement of the store S is reproduced if the vehicle is traveling on the road R1, and the road R2 If the vehicle is traveling, it is possible to control the content data of the advertisement for the store s not to be reproduced.
- the content data to be reproduced can be easily changed depending on which road the vehicle on which the vehicle-mounted device 200 is mounted is traveling.
- the in-vehicle device 200 is typically a force that is provided as an integrated device with the car navigation device S, and the timing at which content data playback should start because the in-vehicle device 200 meets the playback conditions by chance while playing the road guide It is also possible to become. Then, as a result of continuing to play the route guidance with priority, there is a possibility that the distributed content data may end up being unable to be played back, resulting in inconvenience for the content provider.
- This embodiment is for solving this problem.
- the display control data includes a flag (hereinafter referred to as "delayed playback") indicating whether or not playback of content data within the information provision start area has not started (or could not be played back) after navigation is completed. Is further stored. Based on the delayed playback flag, the data playback unit 253 determines whether to play back the content data with a delay. Typically, in the case of the value set in the delayed playback flag, playback is performed even if it is delayed, and “0” indicates that playback is not performed.
- the reproduction condition is “(a) and (b) and (d)”.
- step S901 data reproduction processing performed by each unit of the present embodiment.
- the position matching determination unit 255 determines whether or not the in-vehicle device 200 has reached the information provision start area, and the direction matching determination unit 257 determines whether or not the in-vehicle device 200 is moving in the information provision direction. To do. That is, the position match determination unit 255 and the direction match determination unit 257 determine whether or not the in-vehicle device 200 has entered the information providing start area in the information providing direction (step S851). This place The reason is continuous. That is, step S851 is repeated (step S851; No) until the determination result is Yes (step S851; Yes).
- the data reproducing unit 253 displays the current vehicle 200 It is determined whether or not other content data is being reproduced (step S853).
- Other content data is, for example, route information using map information that should not be interrupted, but can be reproduced in this information provision start area, before entering this information provision start area. Content data that has already started playing but has not finished playing.
- step S853 When it is determined that other content data is not being played back (step S853; No), the data playback unit 253 performs the processing after step S805. That is, the reproduction of the content data distributed from the roadside device 100 is started. This case is the same as in the first embodiment.
- step S853 when it is determined that other content data is being played back (step S853; Yes), the data playback unit 253 has a delayed playback flag power, that is, other current playback data It is determined whether or not playback is specified after the playback of the content data (step S855).
- step S855 When it is determined that the delayed playback flag force is not 1 "(" 0 ") (step S855; No), the data playback unit 253 ends with no playback of the content data. Do not play the content data set to play when entering the information provision direction in this information provision start area! /.
- step S855 If it is determined that the delayed playback flag force is 1 "(step S855; Yes), the data playback unit 253 determines whether or not playback of the other content data being played back has ended (step S857). This process is repeated until other content data has been reproduced (step S857; No).
- step S857 When it is determined that the reproduction of the other content data has been completed (step S857; Yes), the data reproduction unit 253 proceeds to the process of step S805 and starts the reproduction of the content data. Note that the processing after Yes in step S857 is the same as in the first embodiment. Therefore, the description is omitted.
- the playback start timing can be changed depending on whether or not the in-vehicle device 200 is playing back other content data. It is also possible to control not to reproduce the content data. For example, in the middle of a complicated road, immediately before approaching an intersection, before or after a change of course, the in-vehicle device 200 is playing back navigation images and sounds, and it is difficult for the driver to interrupt this navigation. It is expected that. Thus, the in-vehicle device 200 can shift the reproduction timing when it is not suitable for interrupting and reproducing the content data in this way. It is up to the content provider to set which content data has a delayed playback flag “;!”.
- a computer program for operating the in-vehicle device 200 as all or part of the device is stored and distributed on a computer-readable recording medium such as a memory card, CD-ROM, DVD, or MO (Magneto Optical Disk).
- a computer-readable recording medium such as a memory card, CD-ROM, DVD, or MO (Magneto Optical Disk).
- the program may be stored in a disk device or the like of a server device on the Internet, and may be downloaded onto a computer by being superimposed on a carrier wave, for example.
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Abstract
Description
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Priority Applications (5)
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US12/517,831 US8165748B2 (en) | 2006-12-05 | 2007-12-05 | Information providing system, information providing method, and computer program |
JP2008548303A JPWO2008069225A1 (ja) | 2006-12-05 | 2007-12-05 | 情報提供システム、情報提供方法、ならびに、コンピュータプログラム |
DE07850093T DE07850093T1 (de) | 2006-12-05 | 2007-12-05 | Informationsbereitstellungsverfahren und computerprogramm |
EP07850093A EP2101147A4 (en) | 2006-12-05 | 2007-12-05 | SYSTEM, INFORMATION TRANSMISSION METHOD, AND COMPUTER PROGRAM |
CN2007800506469A CN101600939B (zh) | 2006-12-05 | 2007-12-05 | 信息提供系统以及信息提供设备 |
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EP (1) | EP2101147A4 (ja) |
JP (1) | JPWO2008069225A1 (ja) |
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Also Published As
Publication number | Publication date |
---|---|
CN101600939B (zh) | 2013-07-31 |
DE07850093T1 (de) | 2010-03-11 |
JPWO2008069225A1 (ja) | 2010-03-18 |
US8165748B2 (en) | 2012-04-24 |
EP2101147A4 (en) | 2011-09-07 |
CN101600939A (zh) | 2009-12-09 |
US20110035098A1 (en) | 2011-02-10 |
EP2101147A1 (en) | 2009-09-16 |
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