JP2008160446A - Broadcast wave receiving device, broadcast wave receiving method, broadcast wave receiving program, and recording medium - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To make a user easily make a drive plan wherein the reception state of a broadcast wave of a broadcast program being viewed or to be viewed is taken into consideration. <P>SOLUTION: A broadcast wave receiving device 100 comprises a storage unit 101, an acquisition unit 102, a specification unit 103, a calculation unit 104, a decision unit 105, a route change unit 106, and a display unit 107. The storage unit 101 stores reception state information. The acquisition unit 102 acquires route information. The specification unit 103 specifies a reception defective area. The calculation unit 104 calculates the time when a moving body is scheduled to arrive at the reception defective area. The decision unit 105 decides whether the moving body arrives at the reception defective area during viewing of the broadcast program. The route change unit 106 changes the route of the moving body so that the moving body does not arrive at the reception defective area during the viewing of the broadcast program. The display unit 107 correlates the route information, reception defective area, and arrival scheduled time with one another and displays them. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a broadcast wave receiving apparatus that receives broadcast waves, a broadcast wave receiving method, a broadcast wave receiving program, and a recording medium. However, the use of the present invention is not limited to the above-described broadcast wave receiving apparatus, broadcast wave receiving method, broadcast wave receiving program, and recording medium.

  In recent years, some navigation devices mounted on mobile objects such as vehicles take into account various route search conditions set by the user, such as distance priority, time priority, and cost priority, in addition to the departure point and destination. In addition to being able to search for a route, there is a TV program or other broadcast program that can be viewed by providing a receiver such as a TV tuner (see, for example, Patent Document 1 below). According to such a navigation device, the user can receive guidance of an optimum route satisfying various route search conditions while viewing a desired broadcast program.

JP 2003-185456 A

  However, in the prior art described in Patent Literature 1, it is impossible to present to the user the broadcast wave reception status of the broadcast program on the route. For this reason, the user selects a route with a good broadcast wave reception status or likes a broadcast program with a good broadcast wave reception status to view and drive plans and viewing that take into account the broadcast wave reception status. The plan could not be easily planned, and he was watching the broadcast program with the anxiety that “the broadcast may be interrupted while moving”.

  In order to solve the above-mentioned problems and achieve the object, the broadcast wave receiving apparatus according to the invention of claim 1 includes an acquisition means for acquiring route information relating to a route of a moving body to a destination, and an area stored in a database. On the basis of the information on the reception status of each broadcast wave and the route information acquired by the acquisition means, the region where the reception status of the broadcast wave on the route of the mobile body is bad (hereinafter referred to as “reception poor region”) ) Specifying means, calculating means for calculating the estimated arrival time of the mobile body to the poor reception area specified by the specifying means, the route information acquired by the acquiring means, and the specifying means And a display means for displaying the poor reception area specified by the information and the estimated arrival time calculated by the calculating means in association with each other.

  According to a fourth aspect of the present invention, there is provided a broadcast wave receiving method comprising: an acquisition step of acquiring route information relating to a route of a moving body to a destination; information relating to a broadcast wave reception status for each region stored in a database; Based on the route information acquired by the acquisition step, a specifying step for specifying a region where the broadcast wave reception status on the route of the mobile body is bad (hereinafter referred to as “reception poor region”), and the specifying step The calculation step of calculating the estimated arrival time of the mobile body to the reception failure area specified by the step, the route information acquired by the acquisition step, the reception failure area specified by the specification step, and the calculation And a display step of displaying the estimated arrival time calculated by the step in association with each other.

  A broadcast wave receiving program according to a fifth aspect of the invention causes a computer to execute the broadcast wave receiving method according to the fourth aspect.

  A recording medium according to a sixth aspect of the invention is characterized in that the broadcast wave receiving program according to the fifth aspect is recorded in a computer-readable manner.

  Exemplary embodiments of a broadcast wave receiving apparatus, a broadcast wave receiving method, a broadcast wave receiving program, and a recording medium according to the present invention will be explained below in detail with reference to the accompanying drawings.

(Embodiment)
(Functional configuration of broadcast wave receiver)
First, the functional configuration of the broadcast wave receiving apparatus according to the present embodiment will be described. FIG. 1 is a block diagram showing a functional configuration of the broadcast wave receiving apparatus according to the present embodiment. In FIG. 1, the broadcast wave receiving apparatus 100 includes a storage unit 101, an acquisition unit 102, a specification unit 103, a calculation unit 104, a determination unit 105, a route change unit 106, and a display unit 107. Yes.

  The storage unit 101 is a database that stores information (hereinafter referred to as “reception status information”) regarding broadcast wave reception status for each region. In the reception status information, for example, the reception level of broadcast waves for each broadcast station is set for each region or place. The reception status information is not limited to the use of what is stored in the broadcast wave receiving apparatus 100 as in the present embodiment, but is stored in, for example, another apparatus connected to the broadcast wave receiving apparatus 100. May be used.

  The acquisition unit 102 acquires route information related to the route of the moving body to the destination. For example, the acquisition unit 102 acquires path information from a recording medium such as a memory built in the broadcast wave receiving apparatus 100. The route information includes, for example, information such as a departure point, a waypoint, a destination, each waypoint, and a scheduled arrival time at the destination. In addition, the acquisition unit 102 acquires information on a broadcast program that is being viewed or is scheduled to be viewed (hereinafter referred to as “broadcast program information”). As broadcast program information, for example, an electronic program guide provided from each broadcast station can be cited. In this case, the acquisition unit 102 receives the electronic program guide transmitted from each broadcasting station by wireless communication or wired communication. The broadcast program information acquired by the acquisition unit 102 indicates, for example, the broadcast station name for each broadcast station, the program name for each program, the start / end time of the program, and the like. The acquisition unit 102 may acquire route information from another device connected to the broadcast wave receiving device 100.

  Based on the reception status information stored in the storage unit 101 and the path information acquired by the acquisition unit 102, the specifying unit 103 determines whether the broadcast wave reception status on the path of the mobile body is poor (hereinafter, “reception failure”). Area ”).

  The calculation unit 104 calculates the scheduled arrival time of the mobile object in the poor reception area specified by the specifying unit 103. For example, the calculation unit 104 first calculates the distance from the current location to the poor reception area on the route of the mobile body based on the route information acquired by the acquisition unit 102 or map information including the route of the mobile body. . Then, the calculation unit 104 calculates the distance to the poor reception area, the predetermined moving speed or the moving speed input by the user, the current time acquired from the radio wave clock built in the broadcast wave receiving apparatus 100, or the like. Based on the information, the estimated arrival time is calculated.

  Based on the broadcast program information acquired by the acquisition unit 102 and the estimated arrival time of the mobile object calculated by the calculation unit 104, the determination unit 105 determines whether the mobile object reaches the poor reception area while viewing the broadcast program. Judge whether or not. For example, when the end time of the broadcast program being viewed or scheduled to be viewed is “12:00”, the determination unit 105 determines that the estimated arrival time of the moving object calculated by the calculation unit 104 is “12:00” or later. If it is determined that the moving body does not reach the poor reception area while watching the broadcast program, and the estimated arrival time of the moving body calculated by the calculation unit 104 is before “11:59”, It is determined that the mobile body reaches the poor reception area while watching the program.

  The route changing unit 106 moves so that the mobile unit does not reach the poor reception area during viewing of the broadcast program when the determination unit 105 determines that the mobile unit reaches the poor reception region during viewing of the broadcast program. Change your body path. For example, the route changing unit 106 changes the route of the moving body so that the moving body avoids the poor reception area. Further, for example, the route changing unit 106 searches for a stoppable place of the mobile body in front of the poor reception area on the route of the mobile body, and stops the mobile body at the searched stoppable place for a certain period of time. , Change the route of the moving body. For example, the route changing unit 106 includes map information, traffic jam information, departure point, waypoint, destination, various conditions (for example, time priority / distance priority, general road priority / highway priority, etc.) input by the user. Based on the information, the route of the moving object is searched, and the route of the moving object is changed to the searched route. In addition, when searching for a plurality of routes, the route changing unit 106 determines a route to be changed by causing the user to select one of them.

  The display unit 107 displays the route information acquired by the acquisition unit 102. In addition, the display unit 107 is specified by the specifying unit 103 and the route information acquired by the acquiring unit 102 when it is determined by the determining unit 105 that the moving body reaches the poor reception area while watching the broadcast program. The poor reception area and the estimated arrival time calculated by the calculation unit 104 are displayed in association with each other. Furthermore, when the route of the moving object is changed by the route changing unit 106, the display unit 107 displays the route information regarding the changed route of the moving object instead of the route information acquired by the acquiring unit 102.

(Procedure for Broadcast Wave Reception Processing by Broadcast Wave Receiver 100)
Next, a procedure of broadcast wave reception processing by the broadcast wave receiving apparatus 100 according to the present embodiment will be described. FIG. 2 is a flowchart showing a procedure of broadcast wave reception processing by the broadcast wave receiving apparatus 100 according to the present embodiment.

  First, the acquisition unit 102 acquires route information related to the route of the moving body to the destination (step S201). Next, the poor reception area is specified by the specifying unit 103 based on the reception status information stored in the storage unit 101 and the route information acquired in step S201 (step S202).

  Then, the calculation unit 104 calculates the estimated arrival time of the moving body in the poor reception area specified in step S202 (step S203). Further, the display unit 107 displays the route information acquired in step S201, the poor reception area specified in step S202, and the estimated arrival time calculated in step S203 in association with each other (step S204). Terminate the process.

  As described above, the broadcast wave receiving apparatus 100 according to the present embodiment acquires route information, identifies a poor reception area, calculates a scheduled arrival time, and obtains route information, a poor reception area, and a planned arrival time. The time is displayed in association with the time. As a result, the user can easily plan a drive plan or a viewing plan that takes into account the broadcast wave reception status. As a result, user satisfaction can be improved.

  Exemplary embodiments of a broadcast wave receiving apparatus, a broadcast wave receiving method, a broadcast wave receiving program, and a recording medium according to the present invention will be explained below in detail with reference to the accompanying drawings. In this embodiment, for example, a navigation device mounted on a moving body such as a vehicle (including a four-wheeled vehicle and a two-wheeled vehicle), a broadcast wave receiving device, a broadcast wave receiving method, a broadcast wave receiving program, and a recording medium according to the present invention. An example in the case of performing the above will be described.

(Hardware configuration of navigation device 300)
First, the hardware configuration of the navigation device 300 will be described. FIG. 3 is a block diagram illustrating a hardware configuration of the navigation device 300.

  In FIG. 3, the navigation device 300 includes a CPU 301, a ROM 302, a RAM 303, a magnetic disk drive 304, a magnetic disk 305, an optical disk drive 306, an optical disk 307, an audio I / F (interface) 308, and a microphone 309. A speaker 310, an input device 311, a video I / F 312, a display 313, a communication I / F 314, a GPS unit 315, various sensors 316, and a camera 317. Are connected by a bus 320 or the like.

  The CPU 301 governs overall control of the navigation device 300. The ROM 302 records programs such as a boot program and a route search program. The RAM 303 is used as a work area for the CPU 301. That is, the CPU 301 controls the entire navigation device 300 by executing various programs recorded in the ROM 302 while using the RAM 303 as a work area.

  The magnetic disk drive 304 controls the reading / writing of the data with respect to the magnetic disk 305 according to control of CPU301. The magnetic disk 305 records data written under the control of the magnetic disk drive 304. As the magnetic disk 305, for example, an HD (hard disk), an FD (flexible disk), or the like can be used.

  The optical disk drive 306 controls reading / writing of data with respect to the optical disk 307 according to the control of the CPU 301. The optical disk 307 is a detachable recording medium from which data is read according to the control of the optical disk drive 306. As the optical disc 307, a writable recording medium can be used. As a removable recording medium, in addition to the optical disk 307, an MO, a memory card, or the like may be used.

  Examples of information recorded on the magnetic disk 305 and the optical disk 307 include map data and function data. The map data includes background data that represents features (features) such as buildings, rivers, and the ground surface, and road shape data that represents the shape of the road, and is composed of multiple data files divided by district. ing.

  The road shape data further includes traffic condition data. The traffic condition data includes, for example, whether or not there is a signal or a pedestrian crossing, whether or not there is a highway doorway or junction, the length (distance) of each link, road width, direction of travel, road type (highway, Such as toll roads and general roads).

  The function data is three-dimensional data representing the shape of the facility on the map, character data representing the description of the facility, and other various data other than the map data. Map data and function data are recorded in blocks divided by district or function. Specifically, for example, the map data is recorded in a state where each block can be divided into blocks such that each represents a predetermined district on the map displayed on the display screen. Further, for example, the function data is recorded in a state where each function can be divided into a plurality of blocks so as to realize one function.

  The function data is data for realizing functions such as program data for realizing route search, calculation of required time, route guidance, etc. in addition to the above-described three-dimensional data and character data. Each of the map data and the function data is composed of a plurality of data files divided for each district or each function.

  The audio I / F 308 is connected to a microphone 309 for audio input and a speaker 310 for audio output. The sound received by the microphone 309 is A / D converted in the sound I / F 308. For example, the microphone 309 may be installed near the sun visor of the vehicle, and the number thereof may be one or more. Note that the sound input from the microphone 309 can be recorded on the magnetic disk 305 or the optical disk 307 as sound data.

  The speaker 310 outputs the sound D / A converted from the sound signal by the sound I / F 308. The speaker 310 is not limited to a fixed type, and may be a headphone, for example.

  Examples of the input device 311 include a remote controller having a plurality of keys for inputting characters, numerical values, various instructions, and the like, a keyboard, and a touch panel. The input device 311 may be realized by any one form of a remote control, a keyboard, and a touch panel, but can also be realized by a plurality of forms.

  The video I / F 312 is connected to the display 313 and the camera 317. Specifically, the video I / F 312 is output from, for example, a graphic controller that controls the entire display 313, a buffer memory such as a VRAM (Video RAM) that temporarily records image information that can be displayed immediately, and a graphic controller. And a control IC for controlling the display 313 based on the image data to be processed.

  The display 313 displays icons, cursors, menus, windows, or various data such as characters and images. As the display 313, for example, a CRT, a TFT liquid crystal display, a plasma display, or the like can be adopted. For example, the display 313 is provided in front of the driver's seat inside the vehicle. The display 313 may be configured by a single display 313 such as a main display provided in front of the driver's seat inside the vehicle, and the main display provided in front of the driver's seat inside the vehicle and the interior of the vehicle. It may be configured by a plurality of displays 313 such as a combination with a sub-display provided in front of the rear seat.

  The communication I / F 314 is connected to a network via wireless and functions as an interface between the navigation device 300 and the CPU 301. The communication I / F 314 is further connected to a communication network such as the Internet via wireless, and also functions as an interface between the communication network and the CPU 301.

  Communication networks include LANs, WANs, public line networks and mobile phone networks. Specifically, the communication I / F 314 includes, for example, an FM tuner, a VICS (Vehicle Information and Communication System) / beacon receiver, a radio navigation device, and other navigation devices. Get road traffic information such as regulations. VICS is a registered trademark.

  Further, the communication I / F 314 includes a TV tuner, and receives a broadcast program from a broadcasting station by the TV tuner. Of the broadcast program received by the TV tuner, audio data is output from the speaker 310 under the control of the audio I / F 308, for example. The video data is output from the display 313 under the control of the video I / F 312, for example.

  The GPS unit 315 receives radio waves from GPS satellites and outputs information indicating the current position of the vehicle. The output information of the GPS unit 315 is used when the CPU 301 calculates the current position of the vehicle together with output values of various sensors 316 described later. The information indicating the current position is information for specifying one point on the map data, such as latitude / longitude and altitude.

  The various sensors 316 output information for determining the position and state of the vehicle, such as a vehicle speed sensor, an acceleration sensor, and an angular velocity sensor. Information output by these various sensors 316 is used for the calculation of the current position of the vehicle by the CPU 301, the calculation of the change in speed and direction, and the like. On the other hand, various sensors 316 such as a radio wave sensor, an infrared sensor, and an ultrasonic sensor provided outside the vehicle detect, for example, an object existing around the vehicle and photograph the object with the camera 317. Is output.

  The camera 317 captures an image outside the vehicle. The image captured by the camera 317 is not limited to a still image and may be a moving image. In addition, an image photographed by the camera 317 is displayed on the display 313, for example, under the control of the video I / F 312.

  The functional configuration of the broadcast wave receiving apparatus 100 according to the embodiment shown in FIG. 1 specifically includes, for example, the storage unit 101, the ROM 302, the RAM 303, the magnetic disk 305, and the optical disk 307, and the acquisition unit 102. The specifying unit 103, the calculating unit 104, the determining unit 105, and the route changing unit 106 are realized by the CPU 301, the display unit 107, and the display 313, respectively.

(Procedure for Broadcast Wave Reception Processing by Navigation Device 300)
Next, a procedure of broadcast wave reception processing by the navigation device 300 will be described. FIG. 4 is a flowchart showing a procedure of broadcast wave reception processing by the navigation device 300.

  First, route information relating to the route of the moving body to the destination is acquired (step S401). Here, when the route search process to the destination is not yet performed and there is no route information, the route search process may be performed to generate the route information. Then, the route information acquired in step S401 is displayed (step S402).

  Next, based on the reception status information stored in the database and the route information acquired in step S401, a poor reception area is specified (step S403), and whether or not there is a bad reception area on the route of the mobile unit. Is determined (step S404).

  In step S404, when it is determined that there is no poor reception area on the route of the moving body (step S404: No), a series of processing ends. On the other hand, if it is determined in step S404 that there is a poor reception area on the route of the mobile body (step S404: Yes), the mobile arrival estimated time in the poor reception area is calculated (step S405).

  Subsequently, broadcast program information is acquired (step S406), and based on the broadcast program information acquired in step S406 and the scheduled arrival time of the mobile body in the poor reception area calculated in step S405, the broadcast program information is obtained. It is determined whether or not the mobile body reaches the poor reception area during viewing (step S407).

  In step S407, when it is determined that the mobile body does not reach the poor reception area during viewing of the broadcast program (step S407: No), the series of processing ends. On the other hand, if it is determined in step S407 that the mobile body reaches the poor reception area while watching the broadcast program (step S407: Yes), the poor reception area specified in step S403 and the poor reception calculated in step S405. The scheduled arrival time of the moving body in the area is displayed (step S408). Then, the route of the moving body is changed so that the moving body does not reach the poor reception area during viewing of the broadcast program (step S409), and the series of processing ends. At this time, the user may be allowed to select whether or not to change the route of the moving body.

(Example of poor reception area displayed on the screen of the display 313)
Next, an example of a poor reception area displayed on the screen of the display 313 will be described. FIG. 5 is an explanatory diagram showing an example of a poor reception area displayed on the screen of the display 313.

  As illustrated in FIG. 5, the screen 500 is a display screen displayed on the screen of the display 313, and includes a display area 510 and a display area 520. Among these, the display area 510 shows map information and route information. For example, in addition to map information, the display area 510 shown in FIG. 5 includes an icon 511 indicating a moving object, an icon 512 indicating a destination of the moving object, an icon 513 indicating a poor reception area, and a place where the moving object can be stopped. An icon 514 to be shown and a route A of the moving body are illustrated.

  On the other hand, in the display area 520, various character information and the like are displayed. For example, the display area 520 shown in FIG. 5 includes the current time “10:00”, the end time “12:00” of the broadcast program being viewed, and the scheduled arrival time “11:00” of the moving object in the poor reception area. In addition, buttons 521 and 522 for causing the user to change the route of the moving body are displayed.

  From the screen 500 configured in this manner, for example, the user can see “11:00” when the mobile unit reaches the reception failure area even though the broadcast program being viewed ends at “12:00”. Therefore, it can be determined that the radio wave reception state of the broadcast program being viewed is deteriorated.

  Further, for example, when the user selects the button 521 from the state of the screen 500 illustrated in FIG. 5, the navigation device 300 changes the route of the moving body so that the moving body avoids the poor reception area. On the other hand, when the button 522 is selected by the user, the navigation apparatus 300 searches for a stoppable place of the mobile body in front of the poor reception area and stops the mobile body for a certain period of time at the searched stoppable place. Then, the route of the moving body is changed.

(An example of the route of the changed moving body)
Next, an example of the route of the changed moving body will be described. 6 and 7 are explanatory diagrams illustrating an example of the route of the changed moving body.

  For example, FIG. 6 shows that the navigation device 300 moves the poor reception area when the user selects the button 521 from the state of the screen 500 on which the route A of the moving body is displayed as shown in FIG. The state of the screen 500 after the path | route of a mobile body is changed into the path | route B so that a body may avoid is shown.

  On the other hand, FIG. 7 shows a state in which the navigation device 300 selects the area before the poor reception area when the user selects the button 522 from the state of the screen 500 on which the route A of the moving object is displayed as shown in FIG. The state of the screen 500 after the path of the mobile body is changed to the path C is shown so that the mobile body can be stopped at the searched stoppable place and the mobile body is stopped for a certain period of time. It is a thing.

  As described above, the user can watch the broadcast program being watched to the end while the reception status is good by moving the moving body according to the route B or the route C presented by the navigation device 300.

  As described above, the navigation apparatus 300 according to the present embodiment acquires route information related to the route of the moving body to the destination, and is acquired with information related to the broadcast wave reception status for each region stored in the database. Based on the route information, the poor reception area is specified, the estimated arrival time of the mobile body to the specified bad reception area is calculated, and the acquired route information and the specified poor reception area are calculated. The estimated arrival time is displayed in association with each other. As a result, the user can easily plan a drive plan and a viewing plan that take into account the broadcast wave reception status of the broadcast program. As a result, user satisfaction can be improved.

  Further, the navigation device 300 according to the present embodiment acquires broadcast program information, and moves to a poor reception area during viewing of the broadcast program based on the acquired broadcast program information and the calculated estimated arrival time. If it is determined that the mobile unit does not reach the poor reception area while viewing the broadcast program, the specified poor reception area and the calculated estimated arrival time are displayed. Not configured. Thereby, it is possible to eliminate the display of information such as a poor reception area and a scheduled arrival time which are not related to the broadcast program being viewed or scheduled to be viewed and which are unnecessary for the user. For this reason, the user can view a broadcast program without being confused by unnecessary information, and can plan a drive plan or a viewing plan. As a result, user satisfaction can be improved.

  Also, the navigation device 300 according to the present embodiment prevents the mobile body from reaching the poor reception area during viewing of the broadcast program when it is determined that the mobile body reaches the poor reception area during viewing of the broadcast program. The configuration is such that the route of the moving body is changed. Thereby, even when the moving body is moving, it is possible to continue a good reception state of radio waves of the broadcast program being viewed. For this reason, even when the user is moving to the destination, the user can easily and continuously watch the desired broadcast program in a good reception state. As a result, user satisfaction can be improved.

  The broadcast wave receiving method described in the present embodiment can be realized by executing a program prepared in advance by a computer included in navigation device 300. This program is recorded on a computer-readable recording medium such as a hard disk, a flexible disk, a CD-ROM, an MO, and a DVD, and is executed by being read from the recording medium by the computer. The program may be a transmission medium that can be distributed via a network such as the Internet.

It is a block diagram which shows the functional structure of the broadcast wave receiver concerning this Embodiment. It is a flowchart which shows the procedure of the broadcast wave reception process by the broadcast wave receiver concerning this Embodiment. It is a block diagram which shows the hardware constitutions of a navigation apparatus. It is a flowchart which shows the procedure of the broadcast wave reception process by a navigation apparatus. It is explanatory drawing which shows an example of the poor reception area displayed on the screen of a display. It is explanatory drawing which shows an example of the path | route of the changed mobile body. It is explanatory drawing which shows an example of the path | route of the changed mobile body.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Broadcast wave receiver 101 Storage part 102 Acquisition part 103 Identification part 104 Calculation part 105 Judgment part 106 Path change part 107 Display part

Claims (6)

Obtaining means for obtaining route information relating to the route of the moving body to the destination;
Based on the information on the reception status of broadcast waves for each region stored in the database and the route information acquired by the acquisition means, the reception status of the broadcast waves on the route of the mobile body is bad (hereinafter, A specific means of identifying ("bad reception area"),
Calculating means for calculating the estimated time of arrival of the mobile body in the poor reception area specified by the specifying means;
Display means for displaying the route information acquired by the acquisition means, the reception failure area specified by the specification means, and the estimated arrival time calculated by the calculation means;
A broadcast wave receiving apparatus comprising: Broadcast program information acquisition means for acquiring information on a broadcast program being viewed or scheduled to be viewed,
Based on the information related to the broadcast program acquired by the broadcast program information acquisition means and the scheduled arrival time of the moving body calculated by the calculation means, the movement to the poor reception area during viewing of the broadcast program A judgment means for judging whether or not the body reaches,
The display means includes
When it is determined by the determining means that the mobile body does not reach the poor reception area during viewing of the broadcast program, the poor reception area specified by the specifying means and the calculation means calculated by the calculation means The broadcast wave receiving apparatus according to claim 1, wherein the scheduled arrival time is not displayed.   When the determination means determines that the mobile body reaches the poor reception area during viewing of the broadcast program, the mobile body does not reach the poor reception area during viewing of the broadcast program. The broadcast wave receiving apparatus according to claim 2, further comprising route changing means for changing a route of the moving body. An acquisition step of acquiring route information regarding the route of the moving body to the destination;
Based on the information on the broadcast wave reception status for each region stored in the database and the route information acquired by the acquisition step, the region where the broadcast wave reception status on the route of the mobile body is bad (hereinafter, A specific process for identifying “bad reception areas”
A calculation step of calculating a scheduled arrival time of the mobile body to the poor reception area specified by the specification step;
A display step of associating and displaying the route information acquired by the acquisition step, the reception failure area specified by the specification step, and the estimated arrival time calculated by the calculation step;
A broadcast wave receiving method comprising:   A broadcast wave receiving program that causes a computer to execute the broadcast wave receiving method according to claim 4.   6. A computer-readable recording medium on which the broadcast wave receiving program according to claim 5 is recorded.

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