JPH0897680A - Tuning device and method - Google Patents

Abstract

PURPOSE: To surely select a broadcasting station which can be received in a user's current location without being affected by local changes in a radio wave state or timewise conditions of a radio wave. CONSTITUTION: When a station setting 31 is pressed, current location data are acquired from a GPS receiving part 4, while referring to a location information/broadcasting station data conversion table 5, channel data showing a channel number, where an available broadcasting station exists, in the current location data are acquired and these data are stored in a RAM 6 as an available broadcasting station table 62. By performing the channel auto scanning with a forward feed key 32 or a backward feed key 33 while referring to this available broadcasting station table 62, available channels at the current location can be set without missing.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and device for selecting a broadcasting station in a receiving device such as a television or a radio.

[0002]

2. Description of the Related Art When setting a broadcasting station that can be viewed at the current position on a television or radio, an automatic scan that automatically receives the radio waves while automatically changing the frequency and searches for a receivable broadcasting station and sets it. Tuning is being done. In such auto scan tuning, receivable broadcasting stations are extracted based on the strength of the received radio wave.

[0003]

However, in the above-mentioned conventional example, if the automatic scanning is performed when the radio wave does not reach due to the shadow of a building or the like while the receiving apparatus is moving, it should be possible to receive in the area. Broadcast stations may not be selected. Further, there is a case where a broadcasting station that can manage to receive some radio waves is weak but is not selected. There is also a problem that the setting is not made if the automatic scan is performed outside the broadcast time.

The present invention has been made in view of the above problems, and provides a broadcasting station which can be received in the present area without being affected by the local change of the radio wave condition or the temporal radio wave condition. It is an object of the present invention to provide a broadcasting station selection method and apparatus that can be reliably set.

Another object of the present invention is to make it possible to notify the user of the name of the broadcasting station at the selected frequency in a tuning method and device that achieve the above-mentioned object, and It is an object of the present invention to provide a channel selection method and device by which a user can easily know the broadcast station name of a broadcast.

Another object of the present invention is to make it possible to reliably set a broadcasting station that can be received in the current area and to specify the level of the reception state.
An object of the present invention is to provide a channel selection method and device capable of setting a reception broadcast station according to the degree of possibility of reception.

Another object of the present invention is to make it possible to issue a warning when the currently received frequency is out of the receivable range, and if the reception condition is bad, is it temporary? It is an object of the present invention to provide a channel selection method and a device capable of easily discriminating whether or not it is out of the receivable area.

Another object of the present invention is to select a channel that enables to determine whether or not reception is possible based on the positional relationship between the current position and a broadcasting station, and to accurately determine whether or not reception is possible. And to provide a device.

[0009]

[Means for Solving the Problems] and

In order to achieve the above object, the channel selection device according to the present invention has the following configuration. That is, for each area, holding means for holding the reception information indicating the receivable frequency, recognition means for recognizing the current position, and reception information corresponding to the area including the current position recognized by the recognition means are stored. An acquisition means for acquiring from the holding means and a channel selection means for selecting a channel based on the reception information acquired by the acquisition means are provided.

According to the above configuration, the reception information of the area corresponding to the current position is acquired from the reception information held by the holding means. The channel selection is performed based on the reception information obtained according to the current position. In this way, it is possible to select a receivable broadcasting station based on the information of the current position, so that it does not affect the local or temporal radio wave conditions,
It is possible to reliably set the broadcasting station that can be received in the area where the user is currently.

Further, preferably, the channel selection means performs an auto scan based on the reception information acquired by the acquisition means. This is because by performing the auto-scan, which was performed with the intensity of the received radio wave, using the reception information that represents the receivable frequency, it is possible to perform a more reliable auto-scan that is not affected by the receiving location or the receiving time.

[0012] Further, preferably, the reception information is provided with information indicating whether or not reception is possible for each of all reception frequencies.

Further, preferably, the apparatus further comprises storage means for storing the reception information acquired by the acquisition means as a reception table at the current position, and the channel selection means refers to the reception table to select a channel at the current position. To execute.

Further, preferably, the recognition means is a GPS.
The current position is recognized by.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described below with reference to the accompanying drawings.

[First Embodiment] FIG. 1 is a block diagram showing a schematic configuration of a TV system of the first embodiment. In FIG. 1, a CPU 1 controls the operation of the entire system,
The control is performed according to the control program stored in the ROM 2. A key input unit 3 includes a station setting key 31 for instructing the setting of a receivable broadcasting station, a forward key 32 and a backward key 33 for sending channels in the forward and reverse directions. A GPS receiver 4 recognizes the current position and sends the result as current position data to the CPU 1.

Reference numeral 5 denotes a position information / broadcasting station data conversion table (hereinafter referred to as conversion table 5) in which position information and information indicating a broadcasting station receivable at the position are stored in association with each other. By referring to the conversion table 5, the CPU 1 can convert the current position data acquired from the GPS 4 into information indicating a broadcasting station that can be received at that position. Reference numeral 6 denotes a RAM, which includes a reception broadcast station table 62 that stores the conversion result obtained by referring to the conversion table 5, and a channel register 61 that stores the channel currently set for channel selection.

Reference numeral 7 denotes a TV tuner, which receives a broadcast on the channel number received from the CPU 1 (the channel number stored in the channel register 61). 8 is T
The V image creating unit converts a received signal input from the TV tuner into a TV image signal and an audio signal. A display unit 9 displays the TV image signal obtained by the TV image creating unit on the screen and outputs sound according to the sound signal.

FIG. 2 is a diagram showing the contents of the conversion table 5. In this embodiment, VHF channels 1 to 12 are assigned to each of the regions divided by 15 minutes latitude and 15 minutes longitude.
For each of channels 13 to 62 of UHF, data on whether there is a receivable broadcasting station is stored.

In FIG. 2, reference numeral 51 is longitude information and 52 is latitude information. Reference numeral 53 is channel information, which stores data indicating, for each channel, whether or not there is a receivable broadcasting station in the area indicated by the longitude information 51 and the latitude information 52. Here, a channel having a receivable broadcasting station is represented by "1", and a channel having no receivable broadcasting station is represented by "0". For example, the area of FIG. 2 (a) is 135 ° 30′00 ”east to 135 °
34 ° 4 from 34 ° 30'00 ”north latitude, 44 ° 59”
In the area up to 4'59 ", VHF is 2, 4,
6,8,10,12 channels, 19 in UHF
It shows that each channel of 27, 34, 36 can be received.

The T of the first embodiment having the above structure
The operation of the V system will be described. FIG. 3 shows the first embodiment.
6 is a flowchart illustrating a control procedure of. A control program for realizing this control is stored in the ROM 2 and executed by the CPU 1.

First, in step S1, it is determined whether or not any key input is made from the key input unit 3. In this example, the key input from the key input unit 3 is any one of the station setting key 31, the forward feed E 32, and the reverse feed key 32.

If there is any key input, the process proceeds to step S2. In step S2, it is checked whether or not the key input read in step S1 is the station setting key 31. If the station setting key 31 is input, the control proceeds to step S3, and if not, the control proceeds to step S5.

In step S3, the current position data is acquired from the GPS receiver 4. Here, the current position data is indicated by longitude and latitude. And step S
In step 4, referring to the conversion table 5, the channel data 53 in the area indicated by the current position data is acquired from the current position data. Here, the column of the region including the current position indicated by the current position data is searched from the columns of the longitude information 51 and the latitude information 52 of the conversion table 5, and the channel data 53 of the region is read. The channel data thus obtained is set in the reception broadcast station table 62. FIG. 4 is a diagram illustrating an example of the reception broadcast station table according to the first embodiment. FIG. 4 shows a state in which the reception broadcasting station table is constructed from the channel data of the area shown in (a) of the conversion table 5 of FIG. As shown in FIG. 4, the reception broadcast station table 62 stores channel data in association with each channel number.

On the other hand, if the key input is not the station setting key 31, the process proceeds from step S2 to step S5. When the key input is other than the station setting key 31, in this example, the key input is channel forward feed or channel reverse feed.

In step S5, the key input in step S1 is the forward key 32 or the reverse key 33.
It is determined whether or not this is the case, and the process proceeds to step S6 and step S7 depending on the determination result. If the key is the forward key 32, in step S6, the channel register 61
Add 1 to the value of the current channel number stored in. Here, if the channel number exceeds the UHF channel range and becomes 63, the value of the channel register 61 is set to 1, that is, the channel number is set to 1.

When the key input by the reverse key 33 is detected, the channel register 61 is detected in step S7.
Decrement the value of the channel number stored in. Here, when the channel number becomes 0, the value of the channel register 61 is set to 62, that is, the channel number is set to 62.

Next, in step S8, the receiving broadcast station table 62 is checked to determine whether there is a receivable broadcast station with the current channel number set in the channel register 61. That is, the receiving broadcast station table 6
It is checked whether the data corresponding to the current channel number of the channel data stored in 2 is 0 or 1.
Here, when the data is 0, it is determined that there is no broadcasting station that can be viewed on that channel, and when the data is 1, it is determined that there is a broadcasting station that can be viewed on that channel.

If there is no broadcasting station available for viewing, step S
Return to step 5 and select the next channel number. Such an operation is repeated until the channel number storing "1" is found. The key input signal of the forward feed key 32 or the reverse feed key 33 is held during the repetition of the processes of steps S5 to S8. Therefore, the user can select the forward key 32 or the reverse key 33.
You don't have to keep pressing.

When a channel number of a broadcasting station that can be viewed is found, the process proceeds from step S8 to step S9.
In step S9, this channel number is sent to the TV tuner 7 to change the channel number to be reproduced. T
The V tuner 7 receives the broadcast radio wave of the designated channel number and sends it to the TV image creation unit 8. And T
The V image creating unit 8 generates an image signal and an audio signal, and the display unit 9 reproduces them.

As described above, according to the first embodiment,
Since the information indicating the channel in which the receivable broadcasting station exists is acquired based on the position detected by the GPS, the receiving channel can be selected without being affected by the local radio wave intensity or the temporal radio wave state. It becomes possible to set.

[Embodiment 2] FIGS. 5 to 7 show T of Embodiment 2.
It is a figure explaining a V system. FIG. 5 shows the TV of the second embodiment.
It is a block diagram showing the structure of a system. T of Example 2
Compared to the first embodiment (block diagram shown in FIG. 1), the configuration of the V system is such that a broadcasting station name table 10 that stores the broadcasting station name of the TV and the broadcasting station name are combined and displayed on the TV image. The difference is that the character image combining unit 11 is provided.

FIG. 6 is a diagram showing an example of the data structure of the broadcasting station name table 10. In the figure, 101 is an index number and 102 is a broadcasting station name. Each broadcasting station name has a one-to-one correspondence with an index number. For example, the broadcast station name "XYZ education" corresponds to the index number "001".

FIG. 7 is a diagram showing the contents of the conversion table 5a. Reference numerals 51 and 52 represent the latitude and longitude information divided every 15 minutes as in the first embodiment. Reference numeral 53a is channel information, and channel data indicating whether or not each channel can be received is stored in the upper part (similar to the channel data of the first embodiment). In the lower part of the channel information 53a, the index numbers 101 that specify the station names of the receivable broadcast stations in each receivable channel number are stored in the ascending order of channel numbers.

The operation of the TV system of the second embodiment having the above configuration will be described. FIG. 8 is a flow chart for explaining the operation procedure of the TV system of the second embodiment. Example 2
In the operation procedure of 1., the same steps as those in the first embodiment (FIG. 3) are denoted by the same step numbers, and detailed description thereof will be omitted.

In step S41, the channel information (channel data and broadcasting station name) of the current position is read from the conversion table, and the receiving broadcasting station table 62 is read based on this.
Set a. More specifically, first, channel data (channel information 53) corresponding to the identified area is displayed.
(the upper data of a) is set in the reception broadcast station table 62a. Further, by referring to the index number stored in the lower part of the channel information 53a, the broadcasting station name corresponding to each channel number of the receivable broadcasting station is set. Here, a blank is set for the channel number for which the upper channel data of the channel information 53a is "0". Channel data is "1"
For the channel numbers that are set to, the corresponding index number is obtained from the conversion table 5a, the broadcasting station name is obtained by referring to the broadcasting station name table 10, and is set in the receiving broadcasting station table 62a.

FIG. 9 shows the reception broadcast station table 62 of the second embodiment.
It is a figure showing the data structural example of a. FIG. 9 shows a reception broadcasting station table configured by using the data in the area (a) of the conversion table 5a of FIG.

When the channel number is sent to the TV tuner 7 in step S9, the TV tuner 7 sends the received radio wave of the designated channel number to the TV image creating section 8. Further, in step S10, the broadcasting station name data is sent to the character image synthesizing unit 11, the character string of the broadcasting station name is synthesized with the image from the TV image creating unit 8, and the broadcasting station name is displayed on the display unit 9 for several seconds. .

The operation of the other parts is the same as that of the first embodiment and will not be described.

In the present embodiment, when the broadcasting station name is displayed, it is displayed on the TV screen by synthesizing character images.
It is also possible to display the broadcasting station name on a display device different from the TV, or to notify the broadcasting station name by voice.

As described above, in the second embodiment, the broadcasting station name can be notified when the channel is changed, so that the user can easily grasp the broadcasting station name.

[Third Embodiment] FIGS. 10 to 12 are views for explaining the third embodiment. FIG. 10 is a block diagram showing the configuration of the TV system of the third embodiment. Compared with the configuration of the first embodiment (block diagram of FIG. 1), the following points are different. That is, in the third embodiment, the station setting key 31 in the key input unit 3 is the station setting 1 key 3 for setting a broadcasting station that is likely to be surely received.
1a and a station setting 2 key 31 for setting a broadcasting station including a broadcasting station which may be received depending on conditions
This is a point provided with two of b.

FIG. 11 is a diagram showing the inside of the conversion table 5b for converting position information into broadcasting station data in the third embodiment. The longitude information 51 and the latitude information 52 are the same as in the first embodiment. However, the channel data 53b of the third embodiment
Then, "1" is displayed on the channel that can be surely received,
Depending on the conditions, "2" is set for channels that can be received, and "0" is set for channels that cannot be received.

The operation of the third embodiment having the above configuration will be described. FIG. 12 is a flowchart showing a part of the operation procedure of the third embodiment. The operation procedure in the third embodiment is the same as in the first embodiment.
Since the operation procedure is the same as that of FIG. 3 (FIG. 3), the portions different from the first embodiment are shown in FIG. According to the operation of the third embodiment, the process of step S4 of FIG. 3 (the process of setting the reception broadcast station table) is replaced with steps S11 to S13 of FIG. Hereinafter, the procedure for setting the reception broadcast station table in the third embodiment will be described with reference to FIG.

In the set of the reception broadcasting station table of the third embodiment, it is first determined whether the key input in step S11 is the station setting 1 key 31a or the station setting 2 key 31b. Station setting 1
If it is a key input from the key 31a, the process proceeds to step S12, and channel data indicating a channel that can be reliably received at the current position is set in the reception broadcast station table. That is, the channel data 53b of the conversion table 5b
The channel data column of the receiving broadcast station table 62 is set to 1 for the channel number which is "1".

If the key input from the station setting 2 key 31b is made, the process proceeds to step S13, and channel data indicating both a receivable channel and a surely receivable channel are set in the reception broadcasting station table depending on conditions. That is, 1 is set in the position of the corresponding channel number in the reception broadcast station table 62 for both the channel number which is "1" and the channel number which is "2" in the channel data 53b.

The operation of the other parts is the same as that of the first embodiment, and will be omitted.

As described above, in the third embodiment,
When setting the broadcasting station, it is possible to select the size of the possibility of reception and set it.

[Fourth Embodiment] FIGS. 13 and 14 are views for explaining a fourth embodiment. FIG. 13 is a block diagram showing the configuration of the TV system of the fourth embodiment. The difference from the configuration of the TV system of the first embodiment (block diagram of FIG. 1) is that the warning unit 12 is provided. The warning unit 12 warns that the currently set broadcasting station is out of the receivable range due to the movement of the TV system body. Further, the station setting key 31 is removed from the key input unit 3.

FIG. 14 is a flow chart showing the operation procedure of the fourth embodiment. In the first embodiment, the data of the receivable broadcasting station is set when the station setting key 31 is input, but in the present embodiment, the presence or absence of the key input is checked in step S1, and when there is no key input, the step is always performed. The broadcasting station data after S3 is set.

First, in steps S3 and S4, receivable broadcasting station data is set in the receiving broadcasting station table 62. Then, in step S22, the reception availability of the current reception channel number stored in the channel register 61 is checked with reference to the reception broadcasting station table 62.

If reception is not possible, step S2
The procedure proceeds from step 2 to step S23, and the warning section 12 issues a warning to the user. The warning unit 12 may be a buzzer, a sound warning by a voice, a warning displayed by an LED, or the like, and the warning mode is not limited.

In this embodiment, the warning is continuously issued while the current reception channel is in the reception disabled area, but a method of issuing a warning for a fixed time after entering the reception disabled area may be used. Further, as processing after issuing a warning, it is also applicable to control such as changing the reception channel to another receivable channel when there is no key input within a certain period of time.

As described above, in the fourth embodiment, is it possible to temporarily stop broadcasting by issuing a warning when the set broadcasting station is out of the receivable range?
You will be able to determine if you are out of the broadcasting area.

In each of the above-described embodiments, an example in which the present invention is applied to the selection of a television broadcasting station is shown, but it can be easily applied to a radio. In this case, the reception frequency is used instead of the channel number.

[Fifth Embodiment] Next, a fifth embodiment will be described. The configuration of the TV system of the fifth embodiment is the same as that of the above-described first to first embodiments
Any of the configurations shown in the fourth embodiment may be applied, and a description thereof will be omitted here. In the following description, the case of application to the configuration of the TV system according to the first embodiment is taken as an example.

FIG. 15 is a diagram showing a conversion table according to the fifth embodiment. In the first to fourth embodiments, the latitude and longitude of each of the data tables of the presence / absence of the receiving station are 15
It has channel data indicating a receivable channel number in the area divided for each minute. In the conversion table 5c of the fifth embodiment, the longitude information 5 indicating the location of the broadcasting station is displayed.
5 ', latitude information 56', channel number 57, and data of radio wave reach 58 are held for each broadcasting station. Then, from the current position input from the GPS 4, the distance between the current position and each broadcasting station is calculated, and it is determined whether reception is possible or not based on whether this is shorter than the radio wave reach distance 58.

FIG. 16 is a flow chart showing the operation procedure of the TV system of the fifth embodiment. According to the operation procedure of the fifth embodiment, step S in the flowchart of the first embodiment is performed.
4 is replaced with steps S31 to S35 in FIG.

At step S3, the current position data is GPS4.
When further input is made, the process proceeds to step S31. Step S
At 31, the distance L to each broadcasting station is calculated. Here, the distance L between the current position and the broadcasting station is, assuming that the longitude of the current position is φ1, the longitude is θ1, the latitude of the broadcasting station is φ2, the longitude is θ2, and the radius of the earth is R.

[Equation 1] Is required.

In step S32, the distance L to each broadcasting station is compared with the reaching distance 58 of the broadcast radio wave output from each broadcasting station, and the broadcasting station whose radio wave reaches the current position is converted from the conversion table 5c. Extract. And step S
In 33, the channel number of the broadcasting station extracted in step S32 is acquired by referring to the conversion table 5c. In step S34, channel data is generated with the channel number acquired in step S33 as the channel number of the receivable broadcasting station, and in step S35.
Then, this channel data is set in the reception broadcast table 62.

As described above, in the fifth embodiment, it is not necessary to have the channel data as the conversion table for each area having a predetermined size. Further, since the receivable station is set according to the distance between the current position and the broadcasting station and the reaching distance of the broadcast radio wave, the channel data can be set more accurately.

Further, without creating the receiving broadcast station table 62, the broadcast stations having the channel numbers stored in the channel register 61 are extracted from the conversion table 5c, and the radio waves from these broadcast stations reach the current position. It may be determined whether or not. In this case, it is necessary to calculate the distance L and the like each time the channel is fed forward or backward, but the receiving broadcast station table and the station setting key 31 are not necessary.

The method of searching for receivable broadcasting stations according to the fifth embodiment is not limited to the above-described first embodiment, but the second embodiment is also applicable.
~ Applicable to Example 4 respectively.

The present invention may be applied to a system composed of a plurality of devices or an apparatus composed of a single device. Further, it goes without saying that the present invention can also be applied to a case where it is achieved by supplying a program that causes a system or an apparatus to execute the processing defined by the present invention.

[0065]

As described above, according to the present invention,
It is possible to reliably set a broadcasting station that can be received in the current region without being affected by local changes in the radio wave state and temporal radio wave conditions.

[0066]

[Brief description of drawings]

FIG. 1 is a block diagram showing a schematic configuration of a TV system according to a first embodiment.

FIG. 2 is a diagram showing the contents of a conversion table according to the first embodiment.

FIG. 3 is a flowchart illustrating a control procedure of the first embodiment.

FIG. 4 is a diagram illustrating an example of a reception broadcast station table according to the first embodiment.

FIG. 5 is a block diagram showing a configuration of a TV system according to a second embodiment.

FIG. 6 is a diagram showing a data configuration example of a broadcast station name table according to the second embodiment.

FIG. 7 is a diagram showing the contents of a conversion table according to the second embodiment.

FIG. 8 is a flowchart illustrating an operation procedure of the TV system according to the second embodiment.

FIG. 9 is a diagram illustrating a data configuration example of a reception broadcast station table according to the second embodiment.

FIG. 10 is a block diagram showing a configuration of a TV system of Example 3.

FIG. 11 is a diagram showing the inside of a conversion table according to the third embodiment.

FIG. 12 is a flowchart showing a part of the operation procedure of the third embodiment.

FIG. 13 is a block diagram showing a configuration of a TV system of Example 4.

FIG. 14 is a flowchart showing an operation procedure of the fourth embodiment.

FIG. 15 is a diagram showing a conversion table according to the fifth embodiment.

FIG. 16 is a flowchart showing an operation procedure of the TV system of Example 5.

[Explanation of symbols]

 1 CPU 2 ROM 3 Key input unit 31 Broadcast station setting instruction key 32, 33 Tuning key 4 GPS receiver 5 Conversion table 6 RAM 7 TV tuner 8 TV image creation unit 9 Display unit

Claims (19)

[Claims] 1. A holding means for holding reception information indicating a receivable frequency for each area, a recognition means for recognizing a current position, and a reception corresponding to an area including the current position recognized by the recognition means. A channel selection device comprising: an acquisition unit that acquires information from the holding unit; and a selection unit that selects a channel based on the reception information acquired by the acquisition unit. 2. The channel selection device according to claim 1, wherein the channel selection unit performs an auto scan based on the reception information acquired by the acquisition unit. 3. The channel selection device according to claim 1, wherein the reception information has information indicating whether or not reception is possible for each of all reception frequencies. 4. The channel selection device is for selecting a television broadcast, and the reception information indicates whether or not each television channel is a receivable channel. 1
The tuning device described in. 5. The apparatus further comprises storage means for storing the reception information acquired by the acquisition means as a reception table at the current position, and the tuning means refers to the reception table to execute a tuning operation at the current position. Claim 1 characterized by the above.
The tuning device described in. 6. The tuning device according to claim 1, wherein the recognition unit recognizes the current position by GPS. 7. Holding means for holding, for each region, reception information indicating receivable frequencies and station name information indicating broadcasting station names corresponding to each of the receivable frequencies, and a current position is recognized. Based on the reception information acquired by the acquisition means, the acquisition means for acquiring the reception information and the station name information corresponding to the area including the current position recognized by the recognition means from the holding means, A tuning apparatus comprising: a tuning unit that performs tuning, and a notifying unit that notifies a broadcasting station name corresponding to a frequency selected by the tuning unit. 8. The tuning device is for tuning a television broadcast, and the informing means selects a channel by the tuning means on a screen displaying a program selected by the tuning means. 8. The broadcasting station name corresponding to the selected frequency is displayed in a superimposed manner.
The tuning device described in. 9. A holding means for holding reception information indicating, for each region, a receivable frequency divided into a plurality of levels based on the reception state, a specifying means for designating the level, and a current position is recognized. Recognizing means, acquiring means for acquiring, from the holding means, received information corresponding to an area including the current position recognized by the recognizing means, received information acquired by the acquiring means, and a level designated by the designating means A storage unit for generating and storing a reception table indicating frequencies that can be received at the current position, and a channel selection unit for selecting a channel based on the reception information stored in the storage unit. Channel selection device. 10. The channel selection device according to claim 9, wherein the level of the reception state in the reception information held by the holding means is two levels, that is, the possibility of reception is high or low. . 11. A holding means for holding reception information indicating a receivable frequency for each area, a recognition means for recognizing a current position, and a reception corresponding to an area including the current position recognized by the recognition means. Acquisition means for acquiring information from the holding means; determination means for determining whether or not the reception frequency currently selected based on the reception information acquired by the acquisition means is a receivable frequency; A channel selection device comprising: a notification means for notifying that the reception frequency currently selected is not a receivable frequency when the determination means determines that the reception frequency is not a receivable frequency. 12. The channel selection device according to claim 11, further comprising channel selection means for performing channel selection based on the reception information acquired by the acquisition means. 13. Holding means for holding the location of each broadcasting station, broadcasting station information indicating the frequency of the broadcasting radio wave and the reaching distance of the broadcasting radio wave, a recognition means for recognizing the current position, and a recognition means for recognizing by the recognition means. Based on the current position and the location of each broadcasting station held as the broadcasting station information, the distance from the current position to each broadcasting station is acquired, and whether or not the broadcast wave of each broadcasting station reaches the current position is determined. A tuning device comprising: a judging means for judging; and a tuning means for selecting a channel based on a judgment result by the judging means. 14. A reception table representing a frequency receivable at the current position based on a result of the judgment by the judgment means, and further comprising storage means for storing the reception table, wherein the tuning means includes the reception table. The channel selection device according to claim 13, wherein the channel selection is performed based on the following. 15. A holding step of holding reception information indicating a receivable frequency for each area, a recognition step of recognizing a current position, and a reception corresponding to an area including the current position recognized in the recognition step. A channel selection method comprising: an acquisition step of acquiring information from the holding step; and a channel selection step of selecting a channel based on the reception information acquired in the acquisition step. 16. A holding step of holding, for each region, reception information indicating receivable frequencies and station name information indicating corresponding broadcast station names for each of the receivable frequencies, and recognizing the current position. Based on the reception information acquired in the acquisition step, the acquisition step of acquiring the reception information and the station name information corresponding to the area including the current position recognized in the recognition step from the holding step, A channel selection method comprising: a channel selection step of performing channel selection; and a report step of reporting a broadcast station name corresponding to the frequency selected in the channel selection step. 17. A holding step of holding reception information indicating, for each region, a receivable frequency by dividing it into a plurality of levels based on a reception state thereof, a designation step of designating the level, and recognizing a current position. A recognition step, an acquisition step of acquiring the reception information corresponding to the area including the current position recognized in the recognition step from the holding step, the reception information acquired in the acquisition step, and the level designated in the designation step A storage step of generating and storing a reception table indicating frequencies receivable at the current position based on the above, and a channel selection step of performing channel selection based on the reception information stored in the storage step. How to tune in. 18. A holding step of holding reception information indicating a receivable frequency for each area, a recognition step of recognizing a current position, and a reception corresponding to an area including the current position recognized in the recognition step. An acquisition step of acquiring information from the holding step; a determination step of determining whether or not the reception frequency currently selected based on the reception information acquired in the acquisition step is a receivable frequency; When it is determined in the determination step that the currently selected reception frequency is not a receivable frequency, a notification step of notifying the fact is provided. 19. A holding step of holding broadcasting station information indicating the location, the frequency of the broadcast wave, and the reach of the broadcast wave for each broadcast station, a recognition step of recognizing the current position, and a recognition step of the recognition step. Based on the current position and the location of each broadcasting station held as the broadcasting station information, the distance from the current position to each broadcasting station is acquired, and whether or not the broadcast wave of each broadcasting station reaches the current position is determined. A tuning method comprising: a judging step of judging; and a tuning step of selecting a channel based on a judgment result of the judging step.