JP2007019920A - Mobile broadcast receiving set and receiving condition calculation device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a broadcast receiving set and a receiving condition calculation device capable of presenting information on broadcasting channels receivable according to a route scheduled to move along. <P>SOLUTION: Present location information is acquired by a present location information acquisition part 11. When a user designates a destination, information on routes from the present location up to the designated destination is acquired by a route information acquisition part 12, and a control unit 15 stores its result in a data storage 18. A service area map comprising areas through which the acquired routes pass is acquired by a service area map acquisition part 13, and the control unit 15 stores its result in the storage 18. The receiving condition calculator 17 relates to the acquired service area map with the route information, and calculates receiving conditions. The control unit 15 stores information on the calculated receiving conditions in the storage 18. Information on the receiving condition of each channel, receivable places and time, etc. stored in the storage 18 are outputted to a display unit from a receiving condition output 16. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a broadcast receiving apparatus, and more particularly, a reception state calculation for calculating a receiving state of a mobile broadcast receiving apparatus and a broadcast receiving apparatus built in a portable terminal such as an in-vehicle terminal or a mobile phone and a PDA (Personal Digital Assistants). It relates to the device.

  By mounting GPS (Global Positioning System) on mobile terminals such as in-vehicle terminals or mobile phones and PDAs, it is possible to detect the current position and navigate the route to the destination.

  A system called EPG (Electronic Program Guide) that displays a program guide on a screen is known. In this system, there are a method of acquiring program guide data included in a broadcast wave and a method of acquiring program guide data through the Internet.

  In addition, it is possible to receive a broadcast while moving by placing a broadcast receiving device such as a television or radio on an in-vehicle terminal or a portable terminal such as a mobile phone and a PDA. However, when receiving a broadcast while moving, there may be places where it is difficult to receive broadcast waves on the moving route, such as between buildings or under a highway, and depending on the route, the program being viewed may be received halfway. There is a problem that makes it impossible.

  In response to such a deterioration of the reception state, Patent Document 1 (Japanese Patent Laid-Open No. 5-83648) detects a current position information by installing a GPS function capable of measuring a current position in a mobile television receiver. A technique for displaying a receivable channel at a position and a reception sensitivity level of the channel and recognizing which channel is optimal to receive is disclosed.

The configuration of the mobile television receiver in Patent Document 1 will be described.
In FIG. 26, the broadcast receiving apparatus is installed in the automobile 102, and the GPS apparatus 101, which measures the current position of the automobile 102 by receiving radio waves constantly transmitted from the artificial satellite 103, is measured by the GPS apparatus 101. A broadcast station area determination device 104 that determines to which TV broadcast station area the position information of the car 102 belongs, and when the car 102 moves from the broadcast station area to which the car 102 currently belongs to another broadcast station area An area transition buzzer 105 for notifying that a buzzer has been moved, a channel memory unit 106 for storing a television channel corresponding to the broadcast station area stored in the broadcast station area determination device 104, and a broadcast station area determination device 104 From the broadcasting station area determined in step 1, the channel corresponding to the channel area 1 6, a channel control unit 107 to be called from, a channel received by the channel control unit 107 through the television reception circuit 109, a reception sensitivity level search unit 108 for examining the reception sensitivity of each channel, a television reception circuit 109 for receiving a television broadcast, The channel control unit 107 includes a receivable channel display unit 110 that displays a channel called up, and a reception level display unit 111 that checks the reception sensitivity checked by the reception sensitivity level search unit 108.

The mobile TV receiving apparatus configured as described above is based on the position information (latitude / longitude / altitude) of the automobile 102 measured by the GPS apparatus 101, and the broadcast station area determination apparatus 104 uses the current position of the automobile 102. To which broadcasting station area the channel control unit 107 calls the corresponding TV channel stored in the channel memory unit 106.
JP-A-5-83648

When receiving broadcasts while moving, if there are places on the route where it is difficult to receive broadcast waves, such as in tunnels, under elevated bridges, behind buildings, etc. There is a possibility that it cannot be received while moving.
In the above-described conventional technology, the receivable channels at the current position and the reception levels of the respective channels can be displayed, and when reception becomes impossible, it is possible to switch to other receivable channels.

  However, there is a problem that even if the current receivable channels are known, it is not known whether those receivable channels can continue to receive programs. There is also a problem that it is not known whether there is a channel that can be received in the future. Therefore, every time the reception state changes, there is a problem that it is necessary to search for a receivable channel and switch the channel.

  An object of the present invention is to provide a broadcast receiving device and a reception state calculating device capable of presenting information on broadcast channels that can be received according to a route scheduled for movement.

  According to a first aspect of the present invention, there is provided a broadcast receiving means for receiving a broadcast wave, a current position information acquiring means for acquiring a current position, a route information acquiring means for acquiring route information from a specified position to a specified position, and a broadcast receiving apparatus. Service area map acquisition means for acquiring a service area map that geographically indicates the reception state of broadcast waves, and by correlating the acquired route information with the acquired service area map, A mobile broadcast receiving apparatus comprising: a reception state calculation unit that calculates a change in reception state; and a reception state output unit that outputs a reception state of a broadcast on a route.

  According to a second aspect of the present invention, there is provided a communication means for transmitting and receiving data, a path information acquisition means for acquiring path information from a specified position to a specified position, and a service that geographically indicates a broadcast wave reception state of a broadcast receiving apparatus. Service area map acquisition means for acquiring an area map; reception state calculation means for calculating a change in a reception state of a broadcast wave accompanying a change in position and time on the route by associating the acquired route information with the acquired service area map; It is a reception state calculation apparatus characterized by having.

  According to a third aspect of the present invention, the broadcast receiving means for receiving a broadcast wave, the current position information acquiring means for acquiring the current position, the communication means for transmitting / receiving data, and the second invention via the communication means. It is a mobile broadcast receiving apparatus characterized by having reception state output means for acquiring and outputting information on changes in the reception state of broadcast waves on a route from the reception state calculating apparatus described.

  According to a fourth aspect of the present invention, there is provided a communication means for transmitting / receiving data, a receiving apparatus position information acquiring means for acquiring current position information of a broadcast receiving apparatus as a communication partner, and a path for acquiring path information from a specified position to a specified position. Position on the route by associating the information acquisition means, the service area map acquisition means for acquiring the service area map geographically indicating the reception state of the broadcast wave of the broadcast receiving apparatus, and the specified service information and the specified service area map And a reception state calculation means for calculating a change in the reception state of the broadcast wave accompanying a change in time.

  According to a fifth aspect of the present invention, there is provided a broadcast receiving means for receiving a broadcast wave, a communication means for transmitting / receiving data, and a broadcast wave on a path from the reception state calculating device according to the fourth invention via the communication means. It is a mobile broadcast receiving apparatus characterized by having reception state output means for acquiring and outputting information on changes in the reception state.

  A sixth invention is a mobile broadcast receiving apparatus according to at least one of the first, third, and fifth inventions, comprising program information acquisition means for acquiring program information, and associated with the program information on a route. And receiving status output means for outputting the receiving status of the broadcast.

  A seventh invention is the mobile broadcast receiving apparatus according to at least one of the first, third, fifth and sixth inventions, wherein a reception reservation list creating means for creating a broadcast reception reservation list, and the reception reservation And automatic tuning means for automatically tuning according to the list.

  The eighth invention is the mobile broadcast receiving apparatus according to the seventh invention, wherein the automatic channel selection means, during automatic channel selection, when there is a deviation between the designated route and the actual movement route, Alternatively, the reception reservation list is re-created when there is a difference between the scheduled passage time and the actual passage time on the designated route.

  A ninth invention is the mobile broadcast receiving apparatus according to the seventh invention, wherein the reception reservation list creation means creates a reception reservation list by setting a broadcast to be received by a user. .

  A tenth aspect of the invention is the mobile broadcast receiving apparatus according to the seventh aspect of the invention, further comprising condition setting means for setting broadcast conditions to be received, wherein the reception reservation list creating means is condition setting means. The reception reservation list is created by automatically selecting receivable broadcasts that meet the conditions set in.

  When a broadcast is received while moving, there is a possibility that it cannot be received on the way. The above prior art can know the current receivable channels, but since it is not known whether those receivable channels can continue to be received in the future, it can be received whenever the reception state changes. I had to search for a channel and switch channels.

  However, by calculating the reception status of each broadcast on the route that is scheduled to move before moving, and displaying the result on a display or speaker etc., whether or not each broadcast can be viewed on the route and each broadcast can be viewed You can check the time and place. Also, by associating and outputting program information, it is possible to confirm which programs can be viewed.

  In addition, it is possible to create a reception reservation list by selecting only programs that can be received on the route in advance, and automatically select channels according to the list, so that it is possible to avoid receiving programs while moving. it can. In addition, since it is possible to automatically create a reception reservation list according to conditions set in advance by the user, the user can continue to receive a program that he / she wants to receive without performing operations such as channel setting. Is possible. This is effective when it is difficult to operate the broadcast receiving apparatus, such as when driving a car or in a crowded train.

  Hereinafter, embodiments of the present invention will be specifically described with reference to the accompanying drawings.

<First Embodiment>
FIG. 1 is a functional block diagram of a broadcast receiving apparatus showing a first embodiment of the present invention.
In FIG. 1, a broadcast receiving device acquires a current location information acquisition unit 11 that acquires current location information using communication with a GPS device or a base station, and acquires route information from a specified position to a specified destination. Unit 12, a service area map acquisition unit 13 for acquiring a service area map of a specified area and a specified channel, a broadcast reception unit 14 for receiving a broadcast, a control unit 15 for controlling each block and transferring data, and a control The reception state output unit 16 outputs the reception state calculated by the unit 15 to the display unit. The control unit 15 includes a reception state calculation unit 17 that calculates the reception state of the broadcast wave on the route by associating the route information with the service area map, and a data storage unit 18 that stores data necessary for processing by each function. Prepare.

  Here, the service area map indicates the reception status of the receiving device at each point on the map, and is provided for each condition of the type of broadcast, channel (frequency) or type of broadcast station, or receiving device. It is what is done.

  A procedure for acquiring and displaying a change in the reception state of each channel on the route from the current location to the destination in the broadcast receiving apparatus configured as described above will be described with reference to FIG.

  First, current location information is acquired by the current location information acquisition unit 11 (step S1). Next, when the user designates the destination (step S2), the route information acquisition unit 12 obtains the route information from the current location to the designated destination (step S3), and the control unit 15 stores the result in the data storage unit 18. Remember. FIG. 3 is a diagram illustrating an example of acquired route information.

  Next, the service area map acquisition unit 13 acquires a service area map including the area through which the acquired route passes (step S4), and the control unit 15 stores the result in the data storage unit 18. When the corresponding service area map does not exist, the reception state output unit 16 causes the display unit to output information on which the corresponding service area map does not exist.

  An example of the service area map acquired here is shown in FIG. Examples of the service area map are not limited to this, and various configurations can be adopted. The configuration example will be described in detail later.

  Next, the reception state calculation unit 17 which is a feature of the present invention associates the acquired service area map with the route information, calculates the reception state for each point on the route or for each time (step S5), and the control unit 15 Information on the calculated reception state is stored in the data storage unit 18. As an example of the association method, in FIG. 5, the reception state at each point and each time on the route is calculated by superimposing the route diagram and the service area map. This example conceptually shows an association method, and the association method is not limited to this.

  Next, information such as the reception state of each channel and the receivable location and time stored in the data storage unit 18 by the above processing is output from the reception state output unit 16 to the display unit (step S6). As a display example of these pieces of information, a list of reception states of each channel shown in FIG. 6A, a reception state and route information of a designated channel shown in FIG. 6B, and a designated reception shown in FIG. There are a list of channels corresponding to the level, a list of channels that can be received at a specified time shown in FIG. 7B, a reception state at each position on the route shown in FIG. Also, the route information shown in FIG. 3 and the service area map shown in FIG. 4 can be displayed on the reception status output unit 16.

  In the present embodiment, the route from the current location to the destination is obtained, but a route from an arbitrary point to an arbitrary point may be obtained. It is also possible to obtain a route that stops at an arbitrary point for an arbitrary time. Further, in this embodiment, a route for traveling on a normal road is obtained, but a route for traveling by transportation such as a train may be obtained.

  As an example of the service area map, as shown in FIG. 8, there is a method of plotting points on a map and storing the reception state for each point. In this figure, the points are plotted at every fixed distance, but can be plotted by other methods. As a method for obtaining the reception state of the designated point, there are a method in which the reception state at the point closest to the designated point is set as the reception state of the designated point, a method in which the reception state is obtained complementarily from some of the neighboring points, and the like.

  Further, as an example of the service area map, there is a method of dividing the map into areas such as a rectangle, a hexagon, and a circle, and storing a reception state for each area. It is possible to divide into quadrangles as shown in FIG. 9 or hexagons as shown in FIG. Further, as shown in FIG. 11, it is possible to divide by an area of an arbitrary shape, and it is also possible to divide by a non-continuous area. The reception state of the designated point is determined on which area the point is located.

  Further, as an example of the service area map, as shown in FIG. 12, there is a method of dividing each route such as a road and a train on the map for each section and storing the reception state for each section. The reception state of the designated point is determined by which section the point is on.

  In the service area map according to the present invention, the interval between points, the shape of the area, the area of the area, the distance of the section, and the like can be arbitrarily determined according to the storage capacity, accuracy, and the like. Also, as shown in FIG. 13, a plurality of storage methods can be used in combination, such as storing the reception state on the road / route for each section and storing the reception state of the building for each area. is there. As a result, it is possible to provide a service area map that flexibly supports various conditions such as terrain, transportation, storage capacity, and accuracy.

  In the example of the service area map, the reception state at each point is displayed depending on whether or not reception is possible. However, it is possible to store and display information about the reception state such as the reception level and reception rate at each point.

  Even if the reception state is the same point, it may differ depending on the moving speed, moving direction, altitude, weather conditions of the receiving device, whether it is indoors or outdoors, whether it is inside or outside the vehicle, and the like. Even in the same building, the reception state may differ depending on which floor, which room, or which platform at the station. Therefore, it is also possible to provide a service area map according to conditions that may change the reception state as necessary. FIG. 14 shows an example in which a service area map during fine weather and rainy weather is displayed simultaneously.

Second Embodiment
The broadcast receiving apparatus according to the present invention may be configured to calculate a change in the reception state with an external reception state calculation apparatus and acquire the reception state from the reception state calculation apparatus.
FIG. 15 is a block diagram of a broadcast receiving apparatus and a reception state calculating apparatus showing a second embodiment of the present invention.

  In FIG. 15, a broadcast receiving device 20 includes a current location information acquisition unit 21 that acquires current location information using communication with a GPS device or a base station, a communication processing unit 22 that acquires data, and a broadcast that receives broadcast waves. The receiving unit 23, the control unit 24 for controlling each block and transferring data, and the information on the change in the reception state of the broadcast wave on the route from the designated position acquired from the communication processing unit 22 to the designated destination are displayed. The reception status output unit 25 is configured. The control unit 24 includes a data storage unit 26 for storing data necessary for processing by each function.

  In FIG. 15, the reception state calculation device 30 includes a communication processing unit 31 for acquiring data, a route information acquisition unit 32 for acquiring route information from a specified position to a specified position, and a broadcast wave of the broadcast receiving device 20. The service area map acquisition unit 33 acquires a service area map that geographically indicates the reception state, and the control unit 34 controls each block and transfers data. The control unit 34 includes a reception state calculation unit 35 that calculates the reception state of the broadcast wave on the route by associating the acquired route information with the acquired service area map.

  A procedure for acquiring a change in the reception state of each channel on the route from the current location to the destination in the broadcast reception device 20 and the reception state calculation device 30 configured as described above will be described with reference to FIG.

  First, the operation of the broadcast receiving apparatus 20 will be described. The broadcast receiving device 20 acquires current location information with the current location information acquisition unit 21 (step S11), and when the user designates a destination (step S12), the communication processing unit 22 receives information on the current location and destination from the reception state calculation. It transmits to the apparatus (server) 30 (step S13).

  Next, the broadcast reception device 20 receives the route information, the service area map, and the reception state information on the route transmitted from the reception state calculation device 30 via the communication processing unit 22, and the control unit 24 receives the received data. It memorize | stores in the data storage part 26 (step S21). At this time, if a message indicating that the service area map does not exist is received from the reception state calculation device 30, information indicating that fact is output from the reception state output unit 25 to the display unit. The operation of the reception state calculation device 30 will be described later.

  Next, information such as the reception state of each channel and the receivable location and time stored in the data storage unit 26 by the above processing is output from the reception state output unit 25 to the display unit and displayed (step S22). The broadcast receiving apparatus in FIG. 15 can display information similar to that in the broadcast receiving apparatus in FIG.

  Next, the operation of the reception state calculation device 30 will be described. The reception state calculation device 30 receives information on the current location and the destination from the communication processing unit 31 (step S14), and acquires route information from the current location to the destination by the route information acquisition unit 32 (step S15). Next, a service area map including the area through which the acquired route passes is searched (step S16), and it is confirmed whether the service area map exists (step S17). When the corresponding service area map does not exist, a message that the corresponding service area map does not exist is transmitted from the communication processing unit 31 to the broadcast receiving device 20 (step S20).

  If there is a corresponding service area map, the service area map acquisition unit 33 acquires it (step S18). Next, the reception state calculation unit 35 associates the acquired route information with the service area map, and calculates the reception state for each point on the route or for each time (step S19). The method for associating the route information with the service area map is the same as the method performed by the reception state calculation unit 17 of the broadcast receiving apparatus in FIG.

  Next, the control unit 34 transmits the route information, the service area map, and the reception status information on the route from the communication processing unit 31 to the broadcast receiving device 20 (step S20).

<Third Embodiment>
The broadcast receiving apparatus and the reception state calculation apparatus showing the third embodiment of the present invention add means for acquiring the current position of the broadcast reception apparatus to the reception state calculation apparatus, and the current position of the broadcast reception apparatus on the reception state calculation apparatus side. It can also be configured to obtain

FIG. 17 is a block diagram of a reception state calculation apparatus to which a broadcast receiving apparatus and a means for acquiring the current position of the broadcast receiving apparatus according to the third embodiment of the present invention are added.
In FIG. 17, a broadcast receiving apparatus 40 includes a communication processing unit 41 for acquiring data, a broadcast receiving unit 42 for receiving broadcast waves, a control unit 43 for controlling each block and transferring data, and a communication processing unit 41. The reception state output unit 44 outputs information on changes in the reception state of broadcast waves on the route from the acquired designated position to the designated destination. The control unit 43 includes a data storage unit 45 for storing data necessary for processing by each function.

  In FIG. 17, the reception state calculating device 50 includes a communication processing unit 51 for acquiring data, a receiving device position information acquiring unit 52 for acquiring current position information of a broadcast receiving device as a communication partner, and a specified position from a specified position. Route information acquisition unit 53 for acquiring the route information up to, a service area map acquisition unit 54 for acquiring a service area map that geographically indicates the reception state of the broadcast wave of the broadcast receiving device, control of each block, and data transfer It is comprised by the control part 55 to perform. The control unit 55 includes a reception state calculation unit 56 that calculates the reception state of broadcast waves on the route by associating the acquired route information with the acquired service area map.

  A procedure for obtaining a change in the reception state of each channel on the route from the current location to the destination in the broadcast receiving device 40 and the reception state calculating device 50 configured as described above will be described with reference to FIG.

  First, the operation of the broadcast receiving apparatus 40 will be described. When the user designates the destination (step S31), the communication processing unit 41 transmits the destination information to the reception state calculation device 50 (step S32).

  Next, the broadcast receiving device 40 receives the route information, the service area map, and the information on the reception state on the route transmitted from the reception state calculating device 50 from the communication processing unit 41, and the control unit 43 stores the received data as data. Store in the unit 45 (step S41). At this time, if a message indicating that the service area map does not exist is received from the reception state calculation device 50, information indicating that is output from the reception state output unit 44 to the display unit and displayed. The operation of the reception state calculation device 50 will be described later.

  Next, information such as the reception state of each channel and the receivable location and time stored in the data storage unit 45 by the above processing is output from the reception state output unit 44 to the display unit and displayed (step S42). The broadcast receiving device 40 in FIG. 17 can display the same information as the broadcast receiving device 10 in FIG.

  Next, the operation of the reception state calculation device 50 will be described. The reception state calculation device 50 receives the destination information from the communication processing unit 51 (step S33), and acquires the current position information of the communication partner broadcast receiving device 40 from the reception device position information acquisition unit 52 (step S33). S34). Next, route information from the current location of the communication partner to the destination is obtained by the route information obtaining unit 53 (step S35). Next, a service area map including the area through which the acquired route passes is searched (step S36), and it is confirmed whether the service area map exists (step S37). When the corresponding service area map does not exist, a message that the corresponding service area map does not exist is transmitted from the communication processing unit 51 to the broadcast receiving device 40 (step S40).

  If there is a corresponding service area map, the service area map acquisition unit 54 acquires it (step S38). Next, the reception state calculation unit 56 associates the acquired route information with the service area map, and calculates the reception state for each point on the route or for each time (step S39). The method for associating the route information with the service area map is the same as the method performed by the reception state calculation unit 17 of the broadcast receiving apparatus in FIG.

Next, the control unit 55 transmits route information, a service area map, and information on a reception state on the route to the broadcast receiving device 40 from the communication processing unit 51 (step S40).

<Fourth embodiment>
It is also possible to add a program information acquisition unit to the broadcast receiving apparatus so as to display the reception state in association with the program information.
FIG. 19 is a block diagram of a broadcast receiving apparatus showing a fourth embodiment of the present invention. Since it has the same configuration as the broadcast receiving layer of FIG. 1, the same reference numerals are given to the same parts. The broadcast receiving apparatus in FIG. 19 is obtained by adding a program information acquisition unit 19 to the broadcast receiving apparatus in FIG.

  An example of a procedure for acquiring and displaying a change in the reception state of each channel on the route from the current location to the destination in the broadcast receiving apparatus configured as described above will be described with reference to FIG.

  The processing from step S51 to step S55 in FIG. 20 is the same as the processing from step S1 to step S5 in FIG. Next, program information is acquired by the program information acquisition unit 19, and the control unit 15 stores the result in the data storage unit 18 (step S56).

  Next, information such as the reception status, receivable location and time of each program stored in the data storage unit 18 by the above processing is displayed on the reception status output unit 16 (step S57). As a display example of these pieces of information, a list of reception states for each channel shown in FIG. 21A, a reception state, program information, and route information of a designated channel shown in FIG. 21B, FIG. ) And a list of programs that can be received at the specified time shown in FIG. 22B. It is also possible to display program information acquired by the program information acquisition unit 19 and information that can be displayed by the broadcast receiving apparatus of FIG.

  In addition, the broadcast receiving apparatus includes a reception reservation list creation unit that creates a reception reservation list including a broadcast scheduled reception and a reception scheduled time as shown in FIG. 23, and an automatic selection that automatically selects a channel according to the list. By adding a local part, it is possible to select a broadcast that can be received on the route in advance and receive the selected broadcast while automatically selecting the channel. As a result, it is possible to avoid that the program cannot be received during movement.

  An example of the flow of automatic tuning processing is shown in FIG. First, the reception state on the path is calculated using the reception state calculation means (step S61). Next, a reception reservation list is created by the reception reservation list creation means (step S62), and the automatic channel selection means automatically selects a channel according to the reception reservation list (step S63). Then, the automatic channel selection is continued until the reservation end time elapses, and when the reservation end time elapses, the automatic channel selection is ended (step S64).

  Next, FIG. 25 shows an example of the processing flow of automatic channel selection for re-creating the reception reservation list when the previously acquired route and the actual travel route are deviated. First, the reception state on the path is calculated using the reception state calculation means (step S71). Next, a reception reservation list is created by the reception reservation list creation means (step S72), and the automatic channel selection means automatically selects a channel according to the reception reservation list (step S73).

  Next, it is determined whether or not a certain time has passed (step S74). If the predetermined time has not elapsed, the process returns after step S74 to continue automatic channel selection. If the fixed time has elapsed, it is determined whether the reservation end time has elapsed (step S75). If the reservation time has elapsed, the automatic tuning is terminated. If the reservation end time has not elapsed, the current location information is acquired (step S76), the route information stored in the data storage unit is compared with the current location information, and the scheduled passage time and the current time or the planned passage location are compared. It is determined whether any deviation of the current point is not more than a certain value (step S77). If both deviations are below a certain value, the process returns to step S4304 and continues automatic tuning. If a deviation of a certain value or more has occurred, the route information is reacquired and updated (step S78), the reception state on the route is recalculated based on the updated route information, and the reception state on the route Is updated (step S79). Based on the updated reception state, the reception reservation list is searched for a program that has become unreceivable (step S80). If there is no program that cannot be received, the process returns to step S74 to continue automatic channel selection. If there is, the program that has become unreceivable is output to the reception status output unit. (Step S81). Next, it is confirmed whether or not to make a reservation again (step S82). When re-reserving, the process returns after step S71. If not, confirm whether to continue automatic tuning. (Step S83). When continuing automatic tuning, it returns after step S74 and continues automatic tuning. When it is finished, the automatic tuning is finished.

  In the creation of the reception reservation list, the user selects an arbitrary broadcast from the reception status of broadcasts output from the broadcast receiving apparatus, the list of receivable broadcasts, etc., so that the reception reservation list is created. It may be configured.

  Further, in the creation of the reception reservation list, a condition setting means for presetting the conditions of a program to be viewed is added, and a list of broadcasts that can receive receivable broadcasts that meet the conditions set by the condition setting means. A reception reservation list creation process of automatically selecting from the above and creating a reception reservation list may be performed. In the condition setting means, it is possible to set conditions such as broadcast type, channel (frequency) or broadcasting station name, time, program name, performer name, program content, arbitrary keyword, priority of each condition, etc. is there.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the present invention. .

It is a functional block diagram of the broadcast receiver which shows 1st Embodiment in this invention. It is a flowchart figure which shows an example of the procedure which outputs the reception state in the broadcast receiver of 1st Embodiment. It is a figure which shows the example of route information. It is a figure which shows the example of a service area map. It is explanatory drawing which represented typically the method of associating a service area map and route information. (A) It is explanatory drawing which shows the example of a display of the list of the reception status of each channel. (B) It is explanatory drawing which shows the example of a display of the receiving state of a designated channel, and path | route information. (A) It is explanatory drawing which shows the example of a display of the list of the channels corresponding to the designated reception level. (B) It is explanatory drawing which shows the example of a display of the list of the channels which can be received at the designated time. It is explanatory drawing which shows an example of a service area map. It is explanatory drawing which shows an example of a service area map. It is explanatory drawing which shows an example of a service area map. It is explanatory drawing which shows an example of a service area map. It is explanatory drawing which shows an example of a service area map. It is explanatory drawing which shows an example of a service area map. It is explanatory drawing which shows an example of a service area map. It is a block diagram of the broadcast receiver which shows 2nd Embodiment in this invention, and a receiving condition calculation apparatus. It is a flowchart figure which shows an example of the procedure which outputs the reception state in the broadcast receiver of 2nd Embodiment, and a reception state calculation apparatus. It is a block diagram of the broadcast receiver which shows 3rd Embodiment in this invention, and a receiving condition calculation apparatus. It is a flowchart figure which shows an example of the procedure which outputs the receiving condition in the broadcast receiving apparatus of 3rd Embodiment, and a receiving condition calculation apparatus. It is a block diagram of the broadcast receiver which shows 4th Embodiment in this invention. It is a flowchart figure which shows an example of the procedure which outputs the reception state in the broadcast receiver of 4th Embodiment. (A) is explanatory drawing which shows the example of a display of the list of the receiving status for every program of each channel, (b) is explanatory drawing which shows the example of a display of the receiving status of the designated channel, program information, and path | route information. (A) is explanatory drawing which shows the example of a display of the list of programs corresponding to the designated receiving state, (b) is explanatory drawing which shows the example of a display of the list of programs which can be received at the designated time. It is explanatory drawing which shows the example of a display of a reception reservation list. It is a flowchart figure explaining an example of the procedure of the automatic channel selection process in this invention. It is a flowchart figure explaining an example of the procedure of the automatic channel selection process corresponding to the case where path information and a movement path in the present invention shift. It is a block diagram which shows the structural example of the conventional mobile television receiver.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Broadcast receiving apparatus 11 Present location information acquisition part 12 Route information acquisition part 13 Service area map acquisition part 14 Broadcast receiving part 15 Control part 16 Reception state output part 17 Reception state calculation part 18 Data storage part 19 Program information acquisition part 20 Broadcast reception apparatus 21 Current location information acquisition unit 22 Communication processing unit 23 Broadcast reception unit 24 Control unit 25 Reception state output unit 26 Data storage unit 30 Reception state calculation device 31 Communication processing unit 32 Route information acquisition unit 33 Service area map acquisition unit 34 Control unit 35 Reception state calculation Unit 40 broadcast receiving device 41 communication processing unit 42 broadcast receiving unit 43 control unit 44 reception state output unit 45 data storage unit 50 reception state calculation device 51 communication processing unit 52 receiving device position information acquisition unit 53 route information acquisition unit 54 service area map acquisition 55 Control unit 56 Reception state calculation unit

Claims (10)

Broadcast receiving means for receiving broadcast waves;
Current position information acquisition means for acquiring the current position;
Route information acquisition means for acquiring route information from the specified position to the specified position;
A service area map acquisition means for acquiring a service area map that geographically indicates a reception state of a broadcast wave of the broadcast receiving device;
A reception state calculation means for calculating a change in a reception state of a broadcast wave accompanying a change in position and time on the route by associating the acquired route information with the acquired service area map;
A mobile broadcast receiving apparatus comprising: a reception state output means for outputting a reception state of broadcasts on a route. A communication means for transmitting and receiving data;
Route information acquisition means for acquiring route information from the specified position to the specified position;
A service area map acquisition means for acquiring a service area map that geographically indicates a reception state of a broadcast wave of the broadcast receiving device;
Receiving state calculation means comprising: a receiving state calculating means for calculating a change in a receiving state of a broadcast wave accompanying a change in position and time on a route by associating the acquired route information with the acquired service area map apparatus. Broadcast receiving means for receiving broadcast waves;
Current position information acquisition means for acquiring the current position;
A communication means for transmitting and receiving data;
A mobile broadcast comprising: reception state output means for acquiring and outputting information on a change in the reception state of a broadcast wave on a route from the reception state calculation device according to claim 2 via the communication means. Receiver device. A communication means for transmitting and receiving data;
Receiving device position information acquisition means for acquiring the current position information of the broadcast receiving device of the communication partner;
Route information acquisition means for acquiring route information from the specified position to the specified position;
A service area map acquisition means for acquiring a service area map that geographically indicates a reception state of a broadcast wave of the broadcast receiving device;
Receiving state calculation means comprising: a receiving state calculating means for calculating a change in a receiving state of a broadcast wave accompanying a change in position and time on a route by associating specified route information with a specified service area map apparatus. Broadcast receiving means for receiving broadcast waves;
A communication means for transmitting and receiving data;
5. A mobile broadcast comprising reception state output means for acquiring and outputting information on a change in the reception state of a broadcast wave on a route from the reception state calculation device according to claim 4 via the communication means. Receiver device. The mobile broadcast receiver according to at least one of claims 1, 3 and 5,
A mobile broadcast receiving apparatus comprising: program information acquisition means for acquiring program information, and reception state output means for outputting a broadcast reception state on a route in association with the program information. The mobile broadcast receiving device according to at least one of claims 1, 3, 5, or 6,
Receiving reservation list creation means for creating a broadcast receiving reservation list;
A mobile broadcast receiving apparatus comprising automatic channel selection means for automatically selecting a channel according to the reception reservation list. 8. The mobile broadcast receiving apparatus according to claim 7, wherein the automatic channel selection means is configured to pass when the specified route and the actual movement route are different during the automatic channel selection, or to pass through the specified route. A mobile broadcast receiver characterized in that a reception reservation list is re-created when there is a difference between time and actual passage time. The mobile broadcast receiver according to claim 7,
The mobile broadcast receiving apparatus, wherein the reception reservation list creation means creates a reception reservation list by setting a broadcast to be received by a user. The mobile broadcast receiver according to claim 7,
It has condition setting means for setting the broadcast conditions you want to receive,
The reception reservation list creating means automatically selects a receivable broadcast that meets the conditions set by the condition setting means and creates a reception reservation list.

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