JPH06253224A - On-vehicle broadcast signal receiver - Google Patents

Abstract

PURPOSE:To easily and quickly recognize a broadcast station by constituting the receiver such that a receptible broadcast signal is sent based on a detection output obtained from a receptible station detection unit. CONSTITUTION:Current position data DP sent from a vehicle position detection section 37 are fed to a receptible station detection unit 32. The unit 32 supplies a read control signal Ct corresponding to a vehicle moving area set based on the data DP to a service area data memory section 33. Thus, broadcast station service area data Dt are read out of the memory section 33 in response to the signal Ct and fed to the unit 32. The unit 32 supplies a receptible station display signal SSN to a character signal generating section 34 based on the data Dt. The character signal generating section 34 supplies the character signal SSC based on the signal SSN to a signal processing block 24. The signal SC fed to the block 24 is power-amplified and the amplified signal is fed to a cathode ray tube 18, on which the signal is displayed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle-mounted broadcast signal receiving apparatus which is mounted on a vehicle to appropriately select and receive a broadcast signal such as a television broadcast signal.

[0002]

2. Description of the Related Art When a broadcast signal such as a television broadcast signal is received by an on-vehicle broadcast signal receiver such as a television receiver or an FM radio receiver mounted on a vehicle, the vehicle moves as the vehicle moves. The situation occurs in which the state of broadcast signals that can be received changes. For example, when a vehicle-mounted television receiving device receives a television broadcast signal in a running vehicle, a television broadcast signal from a television broadcast station that includes the vehicle position within the service area can be received. However, usually, the service area of one television broadcasting station is substantially within a radius of about 200 km centering on the television broadcasting station, and therefore, a relatively long distance is required. In the case of a traveling vehicle, along the traveling route, the vehicle sequentially passes through the service areas of several different television broadcasting stations or the areas outside the service areas of each television broadcasting station. The state of the receivable television broadcast signal changes accordingly.

FIG. 3 illustrates the relationship between the traveling route of the vehicle and the service areas of a plurality of television broadcasting stations. In this example, the routes R1, R2, R3 and R4 are successively connected. The service area Aa of the television broadcasting station STa, the service area Ab of the television broadcasting station STb, the service area Ac of the television broadcasting station STc, and the service area Ad of the television broadcasting station STd with respect to the travel route AP of the vehicle. Are set so as to have a mutual overlapping portion. Thereby, when the vehicle travels in the direction indicated by the arrow attached to the travel route AP,
First, in the route R1, the state where the television broadcasting signal from the television broadcasting station STa is receivable from the state where the television broadcasting signal is out of the service area of the television broadcasting station and there is no receivable television broadcasting signal (television In the service area Aa of the broadcasting station STa: a), and a state in which the television broadcasting signal from each of the television broadcasting stations STa and STc can be received (the service area of the television broadcasting stations STa and STc) In Aa and Ac: go to a + c).

Then, on the route R2, from the state where the television broadcast signals from the television broadcast stations STa and STc can be received, the television broadcast from the television broadcast stations STa, STb and STc is performed. A state in which signals can be received (in the service areas Aa, Ab and Ac of the television broadcasting stations STa, STb and STc: a + b + c), the television broadcasting station STa,
A state in which television broadcast signals from each of STb, STc, and STd can be received (television broadcast station S
Service areas Aa of Ta, STb, STc and STd,
Ab, Ac and Ad: a + b + c + d), a state in which television broadcast signals from each of the television broadcasting stations STb, Tc and STd can be received (service areas Ab, A of the television broadcasting stations STb, STc and STd).
Within c and Ad: b + c + d).

Next, on the route R3, from the state in which the television broadcast signals from each of the television broadcast stations STb, Tc and STd can be received, the television broadcast from each of the television broadcast stations STc and STd. State in which signals can be received (television broadcasting station ST
Service areas Ac and Ad of c and STd: c + d)
Further, the state shifts to a state in which the television broadcast signal from the television broadcast station STd can be received (in the service area Ad of the television broadcast station STd: d). Then, on the route R4, the state in which the television broadcast signal from the television broadcast station STd is receivable shifts to the state where there is no receivable television broadcast signal outside the television broadcast station service area.

[0006]

As described above, the services of several different television broadcasting stations, that is, the services of a plurality of television broadcasting stations in which the carrier frequencies of the television broadcasting signals to be transmitted are different from each other, respectively. In a vehicle that sequentially passes through a region or a region outside the service region of each television broadcasting station, when a television broadcast signal is received by an in-vehicle television receiving device, it changes as the vehicle moves. It is required for the operator of the vehicle-mounted television receiving apparatus to constantly grasp the state of the receivable television broadcast signal. Conventionally, for example, first of all, the current position of the vehicle is judged from the surrounding environment of the vehicle in order to grasp the state of the television broadcast signal that can be received by the operator of the vehicle-mounted television receiving device in the vehicle in the traveling state. Then, the current position of the vehicle is recognized and collated with a map that represents the service area of the television broadcasting station existing along the traveling route of the vehicle, and the current position of the vehicle is displayed on any television. This is performed by recognizing whether the television station is within the service area of the broadcasting station and recognizing the television broadcasting station that is transmitting the receivable television broadcasting signal.

Therefore, it is considerably troublesome for the operator of the vehicle-mounted television receiving device to grasp the condition of the television broadcast signal that can be received by the operator of the vehicle-mounted television receiving device in the traveling vehicle. The work that is difficult to perform quickly is required, and the work needs to be performed frequently.

In view of such a point, the present invention is in a traveling state in which a vehicle sequentially passes through each service area of several different broadcasting stations or an area outside the service area of each broadcasting station. Even in such a case, the operator can easily and quickly recognize the broadcasting station that is always transmitting the receivable broadcast signal, and further, it is extremely easy to select and receive the receivable broadcast signal. It is an object of the present invention to provide an in-vehicle broadcast signal receiving device in which the state in which the operation can be performed is automatically taken.

[0009]

In order to achieve the above object, a vehicle-mounted broadcast signal receiving apparatus according to a first aspect of the present invention comprises a broadcast signal antenna, a tuner connected thereto,
And a receiver that includes a signal processing circuit block that processes a reception signal obtained from the tuner based on the broadcast signal received by the broadcast signal antenna and selected by the tuner, and detects the actual position of the vehicle. The vehicle position detection unit that sends out the current position data representing the detected position, the memory for the service area data that stores the broadcasting station service area data that represents the status of the broadcasting station service area within the moving range of the vehicle, and the vehicle Receivable station detection for detecting a broadcasting station that transmits a broadcast signal receivable by the receiving section based on the current position data from the position detecting section and the broadcasting station service area data read from the service area data memory And a broadcast signal receivable by the receiving unit based on the detection output obtained from the receiving unit and the receivable station detecting unit. A display unit that performs display regarding Okukyoku is configured is mounted on a vehicle.

The on-vehicle broadcast signal receiving apparatus according to the second aspect of the present invention is a broadcast signal antenna, a tuner having a tuning preset function connected to the broadcast signal antenna, and a tuner received by the broadcast signal antenna. Based on the broadcast signal selected by, the receiver that includes the signal processing circuit block that processes the reception signal obtained from the tuner, and the current position data that represents the detected position by detecting the actual position of the vehicle. A vehicle position detection unit for sending, a service region data memory in which broadcasting station service region data representing the service region status of the broadcasting station within the moving range of the vehicle is stored, and current position data and service region from the vehicle position detection unit Broadcast signal receivable by the receiving unit based on the broadcasting station service area data read from the data memory Receivable station detection unit that detects the broadcasting station to send, and tuning preset for the broadcasting station that sends the broadcasting signal that can be received by the receiving unit to the tuner based on the detection output obtained from the receivable station detection unit And a tuning preset control section for carrying out the above.

[0011]

In the vehicle-mounted broadcast signal receiving apparatus according to the first aspect of the present invention configured as above, the broadcasting station read from the current position data from the vehicle position detector and the service area data memory. Based on service area data and
A receivable station detecting unit that detects a broadcasting station that sends a broadcasting signal that can be received by the receiving unit, and a broadcast that sends a broadcasting signal that can be received by the receiving unit based on the detection output obtained from the receivable station detecting unit. By the provision of a display section for displaying the station, the vehicle equipped with it can
Even when the vehicle is in a traveling state where it sequentially passes through each service area of several different broadcast stations or an area outside the service area of each broadcast station, in the display unit,
The broadcasting station that transmits the broadcasting signal that can be received by the receiving unit that changes with the movement of the vehicle is displayed.
As a result, the operator can always easily and quickly recognize the broadcasting station transmitting the receivable broadcasting signal only by looking at the display on the display unit.

Further, in the vehicle-mounted broadcast signal receiving apparatus according to the second aspect of the present invention, the current position data from the vehicle position detecting section and the broadcasting station service area data read from the service area data memory are stored. Based on the receivable station detecting section that detects the broadcasting station that sends out the broadcast signal that can be received by the receiving section, and the detection output obtained from the receivable station detecting section, the tuner can receive by the receiving section. By providing a tuning preset control unit for performing tuning preset for a broadcasting station that transmits various broadcasting signals, a vehicle equipped with the tuning preset control unit can operate in each service area or each of several different broadcasting stations. Even when the vehicle is in a traveling state where it sequentially passes through areas that are outside the service area of the broadcasting station, the reception that changes as the vehicle moves in the tuner. Tuning presets for broadcast station for transmitting a broadcast signal that is receivable by the Department is done automatically, and the necessary tuning preset state is maintained. As a result, the state in which the operator can select and receive the broadcast signal that can be received very easily is automatically taken at all times.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an example of a vehicle-mounted broadcast signal receiving apparatus according to the present invention. This example constitutes a television receiver installed in a vehicle, that is, an in-vehicle television receiver.

In the example shown in FIG. 1, one or a plurality of television broadcast signals SV received by the television broadcast signal antenna 11 are supplied to the tuner 12. The tuner 12 has a tuning preset function. Then, in the tuner 12, one or more of the television broadcast signal antennas 11 is selected by performing a tuning operation to select one of the plurality of television broadcasting stations for which preset tuning has been performed. Of the television broadcasting signals SV of 1) are selected and received from the selected television broadcasting station, and high frequency amplification and frequency conversion are performed for them, and the video intermediate frequency based on the selectively received television broadcasting signals. The signal SVI is formed.

The video intermediate frequency signal SVI obtained from the tuner 12 is supplied to the intermediate frequency amplifying section 13 and amplified by the intermediate frequency amplifying section 13.
Are supplied to the video detection unit 14. The video detection unit 14 demodulates the video intermediate frequency signal SVI to obtain the video signal VD. Then, the video detection unit 14
The video signal VD obtained from the video signal VD is amplified by the video amplifier 15, passes through the signal adder 16, and is further power-amplified by the output amplifier 17 and supplied to the cathode ray tube 18, and is displayed on the display screen portion of the cathode ray tube 18. A reproduced image based on the video signal VD is obtained.

The audio intermediate frequency signal SAI separated from the video intermediate frequency signal SVI is also obtained from the intermediate frequency amplifier 13, and is supplied to the audio intermediate frequency amplifier 20. Then, the audio intermediate frequency signal SAI amplified by the audio intermediate frequency amplification unit 20 is supplied to the audio detection unit 21, and the audio detection unit 21 demodulates the audio intermediate frequency signal SAI to obtain the audio signal AU. To be The audio signal AU obtained from the audio detector 21 is amplified by the audio amplifier 22 and supplied to the speaker 23.
A reproduced voice based on the voice signal AU is obtained from.

Under such a condition, the circuit parts from the intermediate frequency amplifier 13 to the output amplifier 17 and the circuit parts from the audio intermediate frequency amplifier 20 to the audio amplifier 22 are obtained from the tuner 12. A signal processing circuit block 24 for processing the video intermediate frequency signal SVI is formed. And
Antenna 11 for television broadcasting signal, tuner 12,
The signal processing circuit block 24, the cathode ray tube 18 and the speaker 23 constitute a television broadcast signal receiving section.

Further, in the example shown in FIG. 1, a vehicle position detecting section 37 for detecting the current position of the vehicle in which the vehicle is mounted is provided. The vehicle position detection unit 37 selectively receives a GPS signal from an artificial satellite in a global positioning system (GPS), which is a radio navigation system using an artificial satellite, and performs a predetermined process on the received GPS signal. A GPS signal antenna 25 and a GPS signal receiving unit 26 are provided. Then, the GPS signal SG processed by the GPS signal receiving unit 26 is supplied to the current position detection unit 27.

In addition to the GPS signal SG from the GPS signal receiving section 26, the current position detection unit 27 also includes a detection output Ds from a vehicle speed sensor 28 for detecting the traveling speed of the vehicle.
The detection output De from the geomagnetic sensor 29 that serves as a direction sensor that detects the direction of the vehicle, and the reference position data Db from the reference position data input unit 30 that inputs data about the reference position of the vehicle are supplied. further,
Map data Dm read in response to the read control signal Cm from the current position detection unit 27 is also supplied from the map data memory unit 31 in which map data indicating the vehicle-vehicle traveling road network in the moving range of the vehicle is stored. . The current position detecting unit 27 then detects the GPS signal SG from the GPS signal receiving unit 26 and the detection output D from the geomagnetic sensor 29.
e, the detection output Ds from the vehicle speed sensor 28, the reference position data Db from the reference position data input unit 30, and the map data Dm read from the map data memory unit 31 based on the map of the current position of the vehicle. The current position data DP, which is detected as a position on the vehicle road network represented by the data Dm and represents the detected current position, is detected by the vehicle position detection unit 3
It is sent as the detection output of 7.

The current position data DP sent from the vehicle position detecting section 37 is supplied to the receivable station detecting unit 32. The receivable station detection unit 32 includes a service area data memory unit 33 in which broadcast station service area data representing a service area situation of a television broadcasting station within a moving range of a vehicle is stored. The broadcasting station service area data Dt read in response to the read control signal Ct is also supplied.

The receivable station detection unit 32 confirms the current position of the vehicle on the basis of the current position data DP supplied from the vehicle position detection unit 37, and determines a predetermined vehicle movement area including the confirmed current position of the vehicle. The read control signal Ct is set as an area equal to the moving range of the vehicle or an area included in the moving range of the vehicle, and the read control signal Ct corresponding to the set vehicle moving area is supplied to the service area data memory unit 33. Thereby, the broadcasting station service area data Dt representing the service area status of the television broadcasting station in the set vehicle movement area is read from the service area data memory unit 33 according to the read control signal Ct, It is supplied to the receivable station detection unit 32.

The receivable station detecting unit 32, based on the broadcasting station service area data Dt representing the service area situation of the television broadcasting station in the set vehicle movement area, from the service area data memory unit 33.
Receiving a television broadcasting station that includes the current position of the vehicle in the service area, and therefore sends out a receivable television broadcasting signal that can be received by the above-mentioned television broadcasting signal receiving unit at that time. Detect as a possible station. Then, the receivable station detection unit 32
If at least one receivable station is detected,
The receivable station display signal SSN is supplied to the character signal forming unit 34 as a signal representing all of the detected receivable stations, and further the receivable station preset signal SS is supplied to all of the detected receivable stations. Is supplied to the tuning preset controller 35.

In the character signal forming section 34 to which the receivable station display signal SSN representing all the receivable stations detected by the receivable station detection unit 32 is supplied, the character signal forming section 34 is based on the receivable station display signal SSN. As a result, a character signal SC representing each of the receivable stations detected by the receivable station detection unit 32 is formed. Then, the character signal SC obtained from the character signal forming unit 34 is supplied to the signal adding unit 16 in the signal processing circuit block 24.

Character signal SC supplied to the signal adder 16
Is superposed on the video signal VD amplified by the video amplification unit 15, or is independently superposed without being superposed and is power-amplified in the output amplification unit 17 and supplied to the cathode ray tube 18. As a result, all of the receivable stations detected by the receivable station detection unit 32 are overlapped with the reproduced image based on the video signal VD on the display screen portion of the cathode ray tube 18 or alone, for example, each of the receivable stations. The name of the receivable station is displayed in characters.

Further, a tuning preset control section 3 to which a receivable station preset signal SS representing all the receivable stations detected by the receivable station detection unit 32 is supplied.
5, the tuning preset control signal CT corresponding to each of the receivable stations detected by the receivable station detection unit 32 based on the receivable station preset signal SS.
Is formed and is supplied to the tuner 12. In the tuner 12 to which the tuning preset control signal CT is supplied, the reception detected by the receivable station detection unit 32 according to the tuning preset control signal CT is performed by the operation based on the tuning preset function included in the tuner 12. A tuning preset is performed for each possible station. However, if the tuning preset state in the tuner 12 is already in the tuning preset state for each receivable station detected by the receivable station detection unit 32, a new tuning preset is created. Is not performed, and the tuning preset state until then is maintained.

On the other hand, when no receivable station is detected, the receivable station detection unit 32 supplies the receivable station display signal SSN to the character signal forming section 34 as a signal indicating that there is no receivable station. In addition, the receivable station preset signal SS is not supplied to the channel selection preset control unit 35. As a result, in the character signal forming unit 34 to which the receivable station display signal SSN indicating that there is no receivable station is supplied, the receivable station display signal SSN is received.
A character signal SC representing that there is no receivable station is formed based on Then, the character signal SC obtained from the character signal formation unit 34 is supplied to the signal addition unit 16 in the signal processing circuit block 24, and as a result, the name of the receivable station is displayed in characters and displayed in the same manner. On the display screen portion of the cathode ray tube 18,
The fact that there is no receivable station is displayed with characters. Further, in such a case, the tuning preset control unit 35
In this case, the tuning preset control signal CT is not formed, so that the tuner 12 does not perform a new tuning preset and the previous tuning preset state is maintained. Note that the tuning of the television broadcasting station for which the tuner 12 is preset is performed through the operation of the tuning operation unit 36 connected to the tuner 12.

As described above, in the example shown in FIG. 1, the television broadcasting station that transmits the receivable television broadcasting signal that can be received by the television broadcasting signal receiving section at each current position of the vehicle is The operation that is displayed on the display screen portion of the cathode ray tube 18 as a receivable station, or there is no television broadcasting station that sends out a receivable television broadcasting signal that can be received by the television broadcasting signal receiving unit. The operation displayed on the display screen portion of the cathode ray tube 18 is automatically performed. Therefore, when the operator in the vehicle looks at the display screen portion of the cathode ray tube 18,
A television broadcasting station that sends out a television broadcasting signal that can be received by the television broadcasting signal receiving unit is easy,
And it will be possible to recognize quickly.

At the same time, in the tuner 12, a tuning preset for a television broadcasting station which sends out a receivable television broadcasting signal which can be received by the television broadcasting signal receiving section at each current position of the vehicle. It is done automatically. Therefore, a state in which the operator can select and receive receivable television broadcast signals by the television broadcast signal receiving section very easily by only operating the channel selection operation section 36 connected to the tuner 12 to perform channel selection. Will be taken automatically.

The receivable station detection unit 32 in the example shown in FIG. 1 is constructed by using, for example, a microcomputer, and the microcomputer in such a case can be received by the television broadcast signal receiving section. An example of the control program executed in the process according to the detection and the detection output of the television broadcasting station which transmits the receivable television broadcasting signal will be described with reference to the flowchart shown in FIG.

In the program represented by the flowchart of FIG. 2, after starting, in step 41, the current position data DP from the vehicle position detector 37 is fetched, and in the following step 42, the vehicle is detected based on the current position data DP. Check the current position of. Next, in step 43, a predetermined vehicle movement area including the confirmed current position of the vehicle is set, and a read control signal Ct corresponding to the set vehicle movement area is sent to the service area data memory unit 33. As a result, the broadcasting station service area data Dt representing the service area situation of the television broadcasting station within the set vehicle movement area, which is read from the service area data memory unit 33 according to the read control signal Ct, is fetched.

Then, in step 44, the television broadcasting station including the current position of the vehicle within the service area, and therefore the television broadcasting signal receiving section can receive at that time based on the broadcasting station service area data Dt. It is determined whether or not there is a receivable station which is a television broadcasting station that transmits the receivable television broadcasting signal. As a result, when there is no receivable station, in step 45, a receivable station display signal SSN indicating that there is no receivable station is sent to the character signal forming unit 34, and the process returns to step 41.

If there is at least one receivable station as a result of the judgment in step 44, step 46
In step 47, the receivable station display signal SSN, which represents all of the detected receivable stations, is sent to the character signal forming unit 34, and subsequently in step 47, all of the detected receivable stations and It is judged whether or not the station preset at the tuner 12 at that time matches a preset station. As a result, if all the detected receivable stations and the preset station in the tuner 12 at that time match, the process directly returns to step 41, and all the detected receivable stations and the tuner 12 at that time are returned. If the preset station does not match the preset station, the receivable station preset signal SS representing all the detected receivable stations is sent to the channel selection preset control unit 35 in step 48. , And then returns to step 41.

In the example shown in FIG. 1 described above, the display of the television broadcasting station which sends out the receivable television broadcasting signal which can be received by the television broadcasting signal receiving section at each current position of the vehicle. And the tuner 12 performs both preset selection of a television broadcasting station that transmits a receivable television broadcasting signal that can be received by the television broadcasting signal receiving unit at each current position of the vehicle. It is said that
In the vehicle-mounted broadcast signal receiving apparatus according to the present invention, only the display of the television broadcasting station that transmits the receivable television broadcasting signal that can be received by the television broadcasting signal receiving unit at each current position of the vehicle is provided. What is performed (vehicle-mounted broadcast signal receiving apparatus according to the first aspect of the present invention), or receivable television broadcast that can be received by the television broadcast signal receiving unit at each current position of the vehicle in the tuner 12 It may be configured such that only the tuning preset for the television broadcasting station that transmits the signal is performed (the in-vehicle broadcast signal receiving apparatus according to the second aspect of the present invention). The example shown in FIG. 1 is an on-vehicle broadcast signal receiving apparatus according to both the first and second aspects of the present invention.

Further, in the above-mentioned example shown in FIG. 1, the receiving section constitutes the television broadcast signal receiving section, but in the in-vehicle broadcast signal receiving apparatus according to the present invention, Can replace the television broadcast signal receiving unit with an FM radio broadcast signal receiving unit or another broadcast signal receiving unit. In such a case, for example, a vehicle Of the FM radio broadcasting signal that can be received by the FM radio broadcasting signal receiving unit at each of the present positions of the FM radio broadcasting station, and reception of the FM radio broadcasting signal at each of the current positions of the vehicle in the tuner Any one of the preset presets for the FM radio broadcasting station that transmits the receivable FM radio broadcasting signal that can be received by the unit, or
Both will be done.

[0035]

As is apparent from the above description, according to the vehicle-mounted broadcast signal receiving apparatus according to the first aspect of the present invention, the vehicle in which the vehicle-mounted broadcast signal receiving apparatus is installed can provide services for several different broadcasting stations. Broadcasts that can be received by the receiving unit that changes with the movement of the vehicle on the display unit even when the vehicle is in a traveling state where it sequentially passes through a region or a region outside the service region of each broadcasting station. Since the broadcasting station transmitting the signal is automatically displayed, the operator can easily and quickly recognize the broadcasting station transmitting the receivable broadcasting signal only by looking at the display on the display section. it can.

Further, according to the vehicle-mounted broadcast signal receiving apparatus according to the second aspect of the present invention, the vehicle in which the vehicle-mounted broadcast signal receiving apparatus is installed has service areas of several different broadcast stations or service areas of each broadcast station. Even when the vehicle is in a traveling state where it sequentially passes through the outside area, the selection of the broadcasting station that sends out the broadcasting signal that can be received by the receiving unit that changes with the movement of the vehicle in the tuner. Since the station preset state is obtained, the operator is automatically allowed to select and receive a broadcast signal receivable.

[Brief description of drawings]

FIG. 1 is a block diagram showing an example of a vehicle-mounted broadcast signal receiving apparatus according to the present invention.

2 is a flowchart showing an example of a control program executed by the microcomputer when the receivable station detection unit in the example shown in FIG. 1 is configured by the microcomputer.

FIG. 3 is a conceptual diagram illustrating a relationship between a travel route of a vehicle and service areas of a plurality of television broadcasting stations.

[Explanation of symbols]

 11 Television Broadcast Signal Antenna 12 Tuner 16 Signal Adder 18 Cathode Ray Tube 23 Speaker 24 Signal Processing Circuit Block 25 GPS Signal Antenna 26 GPS Signal Receiver 27 Current Position Detecting Unit 32 Receivable Station Detecting Unit 33 Service Area Data Memory Part 34 Character signal forming part 35 Tuning preset control part 36 Tuning operation part 37 Vehicle position detecting part

Claims (5)

[Claims] 1. A broadcast signal antenna, a tuner connected to the broadcast signal antenna, and a reception obtained from the tuner based on a broadcast signal received by the broadcast signal antenna and selected by the tuner. A signal processing circuit block for processing a signal, which is mounted on a vehicle, and which is mounted on the vehicle, detects the actual position of the vehicle, and sends out the current position data representing the detected position. A vehicle position detection unit; a service area data memory that is arranged in the vehicle and stores broadcast station service area data that represents the service area situation of the broadcast station within the moving range of the vehicle; Based on the current position data from the vehicle position detector and the broadcasting station service area data read from the service area data memory A receivable station detection unit that detects a broadcasting station that transmits a broadcast signal receivable by the reception unit; and the reception unit that is arranged in the vehicle and that is based on a detection output obtained from the receivable station detection unit. An in-vehicle broadcast signal receiving device configured to include a display unit that displays a broadcast station that transmits a broadcast signal that can be received by. 2. The receiving section is a television broadcast signal receiving section provided with a video display means, and the video display means displays a display regarding a broadcasting station which sends out a broadcast signal receivable by the television broadcast signal receiving section. The vehicle-mounted broadcast signal receiving apparatus according to claim 1, wherein the vehicle-mounted broadcast signal receiving apparatus is also used as a display unit for performing the operation. 3. A broadcasting station which sends a broadcasting signal receivable in a vehicle to the tuner based on a detection output obtained from a receivable station detecting section, wherein the tuner has a tuning preset function. 2. The in-vehicle broadcast signal receiving device according to claim 1, wherein a tuning preset control unit for performing tuning preset for is provided in the vehicle. 4. A broadcast signal antenna, a tuner having a tuning preset function connected to the broadcast signal antenna,
And a receiver mounted on the vehicle, comprising a signal processing circuit block that processes a reception signal obtained from the tuner based on the broadcast signal selected by the tuner and received by the broadcast signal antenna. A vehicle position detection unit mounted on the vehicle for detecting the actual position of the vehicle and transmitting current position data representing the detected position; and a broadcasting station arranged in the vehicle and within the moving range of the vehicle. The service area data memory that stores the broadcasting station service area data representing the service area status of the vehicle, and the current position data from the vehicle position detection unit and the service area data memory that are arranged in the vehicle and read from the service area data memory. Receiving is possible by detecting the broadcasting station that sends out the broadcasting signal that can be received by the receiving unit based on the broadcasting station service area data. Based on the detection output obtained from the station detection unit and the receivable station detection unit arranged in the vehicle, a tuning preset for a broadcasting station that transmits a broadcast signal receivable by the reception unit to the tuner is set. An in-vehicle broadcast signal receiving device configured to include a tuning preset control unit to be performed. 5. The receiving section is a television broadcast signal receiving section provided with a video display means, and the video display means displays a display regarding a broadcasting station which sends out a broadcast signal receivable by the television broadcast signal receiving section. The vehicle-mounted broadcast signal receiving apparatus according to claim 4, wherein the vehicle-mounted broadcast signal receiving apparatus is also used as a display unit for performing the operation.