JP2013247450A - Receiver - Google Patents

Abstract

An object of the present invention is to provide a receiving apparatus capable of reducing the number of channel scans and improving usability.
A smartphone includes a receivable channel list memory unit that stores physical channels that can be received at the time of channel scanning in association with positions detected by a region detection unit and a height detection unit at the time of channel scanning, and a control unit. 7. This control unit 7 is receivable when the current position detected by the area detection unit 51 and the height detection unit 52 corresponds to the channel scan position stored in the receivable channel list memory unit 62. The physical channel stored in the channel list memory unit 62 is associated with the remote control channel.
[Selection] Figure 1

Description

  The present invention relates to a movable receiving device such as a mobile phone, a notebook computer, and a tablet terminal.

  Conventionally, as a receiving apparatus, there is one disclosed in Japanese Patent Application Laid-Open No. 2006-229531 (Patent Document 1). This receiving apparatus includes an antenna for receiving a television broadcast wave transmitted from a base station, and a control unit. A receiving unit is provided between the antenna and the control unit for acquiring information relating to the region where the receiving device is located. Further, when it is determined that the area where the receiving device is located has changed, the control unit scans a physical channel that can be received by the electronic tuner and stores it in the memory.

JP 2006-229531 A

  By the way, on the lowest floors of high-rise buildings in urban office districts, etc., it is possible to receive originally because the arrival of TV broadcast waves is bad due to the influence of other buildings or people, or due to the influence of fading etc. May not be able to receive a physical channel. In this case, the number of receivable physical channels on the lowest floor of the high-rise building is smaller than the number of receivable physical channels on the top floor of the high-rise building.

  In such a situation, when the receiving device moves from the lowest floor to the top floor of the high-rise building, it is not determined that the area where the receiving device is located has changed, so the control unit sets a channel that can be received by the electronic tuner. Do not scan. As a result, there is a problem that the program of the physical channel cannot be listened to even though there is the receivable physical channel.

  This problem can be solved by the user performing a channel scan on the top floor of a high-rise building, but this will reduce usability because the user will perform a channel scan each time he goes up to the top floor of a high-rise building. Resulting in.

  Therefore, an object of the present invention is to provide a receiving apparatus that can reduce the number of channel scans and can improve usability.

In order to solve the above problems, the receiving apparatus of the present invention provides:
An antenna for receiving TV broadcast waves;
A height direction position detection unit for detecting a position in its height direction;
A horizontal position detector for detecting its own horizontal position;
A storage unit that stores physical channels that can be received at the time of channel scanning in association with positions detected by the height direction position detection unit and the horizontal direction position detection unit at the time of channel scanning;
A control unit,
The control unit
A position determination unit that determines whether or not the current position detected by the height direction position detection unit and the horizontal direction position detection unit corresponds to the position at the time of channel scanning stored in the storage unit;
The position determination unit determines that the current position detected by the height direction position detection unit and the horizontal direction position detection unit corresponds to the channel scan position stored in the storage unit. A remote control channel association unit for associating the physical channel stored in the storage unit with the remote control channel.

  Here, “the current position detected by the height direction position detection unit and the horizontal direction position detection unit corresponds to the position at the time of channel scanning stored in the storage unit” means the height This means that the current position detected by the direction position detection unit and the horizontal direction position detection unit is included in a range from the position at the time of channel scanning stored in the storage unit to a preset value.

  According to the above configuration, the current position detected by the height direction position detection unit and the horizontal direction position detection unit by the position determination unit corresponds to the channel scan position stored in the storage unit. If determined, the remote control channel associating unit associates the physical channel stored in the storage unit with the remote control channel. For example, even if the remote control channel is moved from the lowest floor of the high-rise building to the top floor, Re-channel scanning can be eliminated.

  Therefore, the number of channel scans can be reduced, and usability can be improved.

  In addition, since the re-channel scan can be eliminated, the time required for the re-channel scan can be reduced.

The receiving apparatus of one embodiment
The control unit includes a reception sensitivity detection unit that detects reception sensitivity of a physical channel,
The storage unit stores a physical channel that can be received at the time of channel scanning in association with the reception sensitivity detected by the reception sensitivity detection unit at the time of channel scanning or previous reception,
The remote control channel association unit associates the physical channel stored in the storage unit with a remote control channel having a smaller number as the reception sensitivity is higher.

  According to the embodiment, the remote control channel associating unit associates the physical channel stored in the storage unit with the remote control channel having a smaller number as the reception sensitivity is higher. Therefore, the remote control channel is switched many times. Even if a physical channel with high reception sensitivity is not searched, a physical channel with high reception sensitivity can be selected by selecting a remote control channel with a small number. Therefore, the trouble of switching the remote control channel can be reduced.

The receiving apparatus of one embodiment
An inclination detector for detecting the inclination of the antenna;
The storage unit stores physical channels that can be received at the time of channel scanning in association with the inclination detected by the inclination detection unit at the time of channel scanning or previous reception,
The control unit
An inclination determination unit that determines whether or not the current inclination detected by the inclination detection unit corresponds to an inclination at the time of channel scan or previous reception stored in the storage unit;
When it is determined by the inclination determination unit that the current inclination detected by the inclination detection unit does not correspond to the inclination at the time of channel scanning or previous reception stored in the storage unit, the reception sensitivity detection unit A reception sensitivity determination unit that determines whether or not the detected current reception sensitivity is better than the reception sensitivity at the time of channel scan or previous reception stored in the storage unit;
When it is determined by the reception sensitivity determination unit that the current reception sensitivity detected by the reception sensitivity detection unit is not better than the reception sensitivity at the time of channel scanning or previous reception stored in the storage unit, An inclination notifying unit for notifying the user of the inclination at the time of channel scanning or previous reception stored in the storage unit;

  Here, “the current inclination detected by the inclination detection unit corresponds to the inclination at the time of channel scanning or previous reception stored in the storage unit” means that the current inclination detected by the inclination detection unit is This means that it is included in a range from a slope at the time of channel scan or previous reception stored in the storage unit to a preset value.

  According to the embodiment, the reception sensitivity determination unit determines that the current reception sensitivity detected by the reception sensitivity detection unit is not better than the reception sensitivity at the time of channel scan or previous reception stored in the storage unit. In such a case, the tilt notification unit notifies the user of the tilt at the time of channel scan or previous reception stored in the storage unit, so that the user can be urged to improve the tilt of the antenna.

  In the receiving apparatus of the present invention, the current position detected by the height direction position detection unit and the horizontal direction position detection unit by the position determination unit corresponds to the channel scan position stored in the storage unit. If determined, the remote control channel associating unit associates the physical channel stored in the storage unit with the remote control channel, thereby eliminating the re-channel scan caused by the movement in the height direction. The number of times can be reduced, and usability can be improved.

  In addition, since the re-channel scan can be eliminated, the time required for the re-channel scan can be reduced.

FIG. 1 is a block diagram of a smartphone according to an embodiment of the present invention. FIG. 2 is a flowchart of processing related to channel scanning of the smartphone. FIG. 3 is a flowchart of processing related to viewing of the terrestrial digital broadcast of the smartphone. FIG. 4A is another flowchart of processing related to viewing of the terrestrial digital broadcast of the smartphone. FIG. 4B is another flowchart of processing related to viewing of the terrestrial digital broadcast of the smartphone.

  Hereinafter, a receiving apparatus of the present invention will be described in detail with reference to embodiments shown in the drawings.

  FIG. 1 is a block diagram showing a configuration of a smartphone according to an embodiment of the present invention.

  The smartphone includes a first antenna 1 as an example of an antenna, a digital terrestrial unit 2, an LCD (Liquid Crystal Display) 3 as an example of a display unit, a speaker 4, a detection unit 5, a memory unit 6, A control unit 7 and a second antenna 8 are provided, and a digital terrestrial broadcast can be viewed.

  The terrestrial digital unit 2 includes a terrestrial digital receiver 21 that receives a terrestrial digital broadcast wave by the first antenna 1, and a demodulation circuit unit 22 that demodulates the terrestrial digital broadcast wave transmitted from the terrestrial digital receiver 21. doing. Of the demodulated signal generated by the demodulating circuit unit 22, the demodulated signal related to sound is input to the speaker 4, and the demodulated signal related to video is input to the LCD 3. Thereby, the LCD 3 performs display corresponding to the terrestrial digital broadcast wave received by the first antenna 1, while the speaker 4 can output sound corresponding to the terrestrial digital broadcast wave received by the first antenna 1. It can be done.

  The detection unit 5 includes an area detection unit 51, a height detection unit 52, an inclination detection unit 53, and an operation detection unit 54 that detects a user operation. The area detection unit 51 is an example of a horizontal position detection unit, and the height detection unit 52 is an example of a height direction position detection unit.

  The area detection unit 51 detects the latitude and longitude of the smartphone based on a GPS (Global Positioning System) signal from the second antenna 8 and also detects the area where the smartphone is located (Osaka City, Kobe City, etc.). A signal indicating the latitude / longitude and area is sent to the control unit 7.

  The height detection unit 52 is, for example, a sine wave FM single waveband radio wave altimeter, and detects the altitude of the smartphone. A signal indicating the altitude is sent to the control unit 7.

  The inclination detection unit 53 is a self-weight meter and detects the inclination of the smartphone with respect to the horizontal direction. The inclination detected by the inclination detector 53 coincides with the inclination of the first antenna 1 because the first antenna 1 is a built-in antenna. That is, the tilt detection unit 53 detects the tilt of the first antenna 1. A signal indicating the inclination is sent to the control unit 7.

  The memory unit 6 stores in advance the channel list memory unit 61 for each region, the receivable channel list memory unit 62, the user input channel list memory unit 63 for storing the channel list input by the user, and the data of the broadcaster. The broadcaster data memory unit 64 and the remote control channel data memory unit 65 in which the remote control channel data is stored in advance. As the regional channel list memory unit 61 and the broadcaster data memory unit 64, for example, a non-rewritable or rewritable nonvolatile memory is used. In addition, as the receivable channel list memory unit 62, the user input channel list memory unit 63, and the remote control channel data memory unit 65, for example, a rewritable nonvolatile memory is used. The receivable channel list memory unit 62 is an example of a storage unit.

  The regional channel list memory unit 61 stores a regional channel list in advance. That is, the regional channel list memory unit 61 stores at least the physical channel of the key station for each region.

  The receivable channel list memory unit 62 associates physical channels that can be received at the time of channel scanning with the latitude / longitude detected by the area detecting unit 51 at the time of channel scanning and the altitude detected by the height detecting unit 52 at the time of channel scanning. To store in the receivable channel list. The physical channel that can be received during the channel scan is associated with the inclination of the first antenna 1 detected by the inclination detection unit 53 during the channel scan or immediately before viewing and the reception sensitivity information during the channel scan or immediately before viewing. Is done. Note that the reception sensitivity information includes, for example, a C / N (ratio of magnitude of radio wave carrier wave power and noise power) value, an RSSI (Received Signal Strength Indicator) value, or a BER (Bit Error Rate) value.

  The remote control channel data memory unit 65 stores the correspondence between remote control channels and physical channels.

  The control unit 7 includes a terrestrial digital reception unit 21, a demodulation circuit unit 22, an area detection unit 51, a height detection unit 52, an inclination detection unit 53, an operation detection unit 54, an area-specific channel list memory unit 61, and a receivable channel list. The memory unit 62, the user input channel list memory unit 63, the broadcaster data memory unit 64, and the remote control channel data memory unit 65 are connected. In addition, the control unit 7 includes a reception sensitivity detection unit 71 that detects the reception sensitivity of the physical channel at the time of channel scanning or immediately before viewing.

  Further, when the control unit 7 assigns a physical channel to the remote control channel based on the region detected by the region detection unit 51 and the data stored in the region-specific channel list memory unit 61, Such a correspondence relationship is stored in the remote control channel data memory unit 65.

  When the control unit 7 assigns a physical channel to the remote control channel based on the data stored in the receivable channel list memory unit 62, as shown in Table 2 below, The correspondence relationship is stored in the remote control channel data memory unit 65. In addition, “21”, “27”, “16”, “17”, “20”, and “28” in Table 2 below are physical channels of the key station, but the physical channel has a smaller number as the reception sensitivity is higher. Is associated with the remote control channel. Note that the setting associated with the remote control channel with a smaller number for a physical channel with higher reception sensitivity can be canceled by a user operation. Table 2 below is based on a channel scan in Saijo City.

  Hereinafter, the processing related to the channel scan will be described with reference to the flowchart of FIG.

  When the user performs a channel scan operation, this process starts. In step S101, a channel scan for terrestrial digital broadcasting is performed.

  Next, in step S102, it is determined whether there is a receivable physical channel. If it is determined in step S102 that there is no receivable physical channel, step S102 is performed again. On the other hand, if it is determined in step S102 that there is a receivable physical channel, the process proceeds to step S103. That is, step S102 is repeated until a receivable physical channel is found.

  Next, in step S103, the latitude / longitude search by the area detection unit 51 is performed to detect the latitude / longitude of the smartphone.

  Next, in step S104, the height detection unit 52 performs an altitude search to detect the altitude of the smartphone.

  Next, in step S105, an inclination search by the inclination detector 53 is performed to detect the inclination of the first antenna 1 with respect to the horizontal direction.

  Finally, in step S106, my channel registration is performed. That is, the receivable physical channel is stored in the receivable channel list memory unit 62 in association with the latitude / longitude, altitude and inclination. At this time, the reception sensitivity information of the physical channel is also stored in the receivable channel list memory unit 62 in association with the physical channel. Note that the reception sensitivity information of the physical channel is detected in step S102.

  Hereinafter, processing related to viewing of digital terrestrial broadcasting will be described using the flowchart of FIG.

  When the user performs a viewing operation of the terrestrial digital broadcast, this processing starts, and the terrestrial digital section 2 is activated in step S201.

  Next, in step S202 as an example of a position determination unit, a latitude / longitude search is performed by the area detection unit 51 to detect the latitude / longitude of the smartphone.

  Next, in step S203, it is determined whether or not the latitude and longitude are in the same vicinity. More specifically, in step S203, it is determined whether or not the latitude / longitude detected in step S202 falls within a range from the latitude / longitude stored in the receivable channel list memory unit 62 to a preset value. To do. If it is determined in step S203 that the latitude / longitude detected in step S202 is not within the range from the latitude / longitude stored in the receivable channel list memory unit 62 to a preset value, this will be described later. The preset channel is displayed in step S211, and the process is terminated. On the other hand, if it is determined in step S203 that the latitude / longitude detected in step S202 is within the range from the latitude / longitude stored in the receivable channel list memory unit 62 to a preset value, Proceed to step S204.

  Next, in step S204, the altitude search by the height detector 52 is performed to detect the altitude of the smartphone.

  Next, in step S205, it is determined whether or not the altitude is near the same. More specifically, in step S205, it is determined whether or not the altitude detected in step S204 falls within a range from the altitude stored in the receivable channel list memory unit 62 to a preset value. If it is determined in step S205 that the altitude detected in step S204 is not within the range from the altitude stored in the receivable channel list memory unit 62 to a preset value, a preset in step S211 described later is performed. The channel is displayed and the process is terminated. On the other hand, if it is determined in step S205 that the altitude detected in step S204 is within the range from the altitude stored in the receivable channel list memory unit 62 to a preset value, the process proceeds to step S206. .

  Finally, in step S206 as an example of the remote controller channel association unit, the association / display obtained in the previous channel scan is performed. That is, the physical channel stored in the receivable channel list memory unit 62 is associated with the remote control channel so that it can be viewed. At the same time, the broadcaster corresponding to the physical channel stored in the receivable channel list memory unit 62 is displayed on the LCD 3. At this time, the data stored in the broadcaster data memory unit 64 is used.

  In step S211, the broadcaster corresponding to the physical channel stored in the regional channel list memory unit 61 is displayed on the LCD 3. The physical channel is a local physical channel including the latitude and longitude detected in step S202. In step S211, similarly to step S206, the data stored in the broadcaster data memory unit 64 is used.

  Thus, in step S203, it is determined that the latitude / longitude detected in step S202 falls within the range from the latitude / longitude stored in the receivable channel list memory unit 62 to a preset value, If it is determined in step S205 that the altitude detected in step S204 falls within the range from the altitude stored in the receivable channel list memory unit 62 to a preset value, the receivable channel list memory Since the physical channel stored in the unit 62 is associated with the remote control channel, for example, even when moving from the lowermost floor of the high-rise building to the uppermost floor, it is not necessary to perform a re-channel scan on the uppermost floor of the high-rise building.

  Therefore, the number of channel scans can be reduced, and usability can be improved.

  Further, since the re-channel scan is not performed, the time required for the re-channel scan can be reduced.

  Further, since the physical channel stored in the receivable channel list memory unit 62 is associated with the remote control channel having a smaller number as the reception sensitivity is higher, the remote control channel is selected from a smaller number to a larger number. In order, it is possible to prevent a program that cannot be viewed or difficult to view during this selection. Therefore, the trouble of switching the remote control channel can be reduced.

  In the above mobile phone, the first antenna 1 is a built-in antenna, but may be a non-built-in antenna.

  In the above-described embodiment, the height detection unit 52 is a radio wave altimeter of a sine wave FM single waveband system, but it may be a radio wave altimeter of another type, a barometric altimeter, It may be a combination of a detector and a thermometer.

  In the above embodiment, the area detection unit 51 detects the latitude / longitude based on the GPS signal from the second antenna 8, but detects the latitude / longitude and altitude based on the GPS signal from the second antenna 8. You may make it do. In this case, the manufacturing cost can be reduced by eliminating the height detector 52.

  In the above-described embodiment, the channel scan is continued until a receivable physical channel is found. However, when a preset time elapses, the channel scan may be ended even if a receivable physical channel is not found. .

  In the above embodiment, when a physical channel that can be received by channel scanning is found, for example, when the physical channel is associated with a preset remote control channel number, the program of the physical channel is automatically displayed on the LCD 3. It may be displayed.

  In the embodiment described above, in step S206, the physical channel stored in the receivable channel list memory unit 62 is associated with the remote control channel, and the broadcasting business corresponding to the physical channel stored in the receivable channel list memory unit 62 is used. The user is displayed on the LCD 3, but the physical channel stored in the receivable channel list memory unit 62 is associated with the remote control channel, and a preset number of the remote control channel is displayed on the LCD 3. You may do it.

  In the above embodiment, when the user performs a digital terrestrial broadcast viewing operation, the control unit 7 performs the process of the flowchart of FIG. 3, but the process of the flowchart of FIGS. 4A and 4B may be performed.

  Hereinafter, the processing of the flowcharts of FIGS. 4A and 4B will be described.

  When the user performs a digital terrestrial broadcast viewing operation, this process starts, and the terrestrial digital section 2 is activated in step S301.

  Next, in step S302 as an example of the position determination unit, a latitude / longitude search is performed by the area detection unit 51 to detect the latitude / longitude of the smartphone.

  Next, in step S303, it is determined whether or not the latitude and longitude are in the same vicinity. More specifically, in step S303, it is determined whether the latitude / longitude detected in step S302 falls within a range from the latitude / longitude stored in the receivable channel list memory unit 62 to a preset value. To do. If it is determined in step S303 that the latitude / longitude detected in step S302 is not within the range from the latitude / longitude stored in the receivable channel list memory unit 62 to a preset value, this will be described later. The preset channel is displayed in step S311, and the process is terminated. On the other hand, if it is determined in step S303 that the latitude / longitude detected in step S302 is within the range from the latitude / longitude stored in the receivable channel list memory unit 62 to a preset value, Proceed to step S304.

  Next, in step S304, the height detection unit 52 performs an altitude search to detect the altitude of the smartphone.

  Next, in step S305, it is determined whether or not the altitude is near the same. More specifically, in step S305, it is determined whether or not the altitude detected in step S304 falls within a range from the altitude stored in the receivable channel list memory unit 62 to a preset value. If it is determined in step S305 that the altitude detected in step S304 is not within the range from the altitude stored in the receivable channel list memory unit 62 to a preset value, a preset in step S311 described later is performed. The channel is displayed and the process is terminated. On the other hand, if it is determined in step S305 that the altitude detected in step S304 is within the range from the altitude stored in the receivable channel list memory unit 62 to a preset value, the process proceeds to step S306. .

  Next, in step S306, a tilt search is performed by the tilt detection unit 53, and the tilt of the first antenna 1 is detected.

  Next, in step S307 as an example of an inclination determination unit, it is determined whether or not the inclinations are in the same vicinity. More specifically, in step S307, it is determined whether or not the inclination detected in step S306 falls within a range from the inclination stored in the receivable channel list memory unit 62 to a preset value. If it is determined in step S305 that the inclination detected in step S304 is not within the range from the inclination stored in the receivable channel list memory unit 62 to a preset value, the process proceeds to step S321 described later. . On the other hand, if it is determined in step S307 that the inclination detected in step S306 is within the range from the inclination stored in the receivable channel list memory unit 62 to a preset value, the process proceeds to step S308. . Note that the inclination stored in the receivable channel list memory unit 62 is that at the time of channel scanning or immediately before viewing.

  Finally, in step S308, the association / display obtained in the previous channel scan is performed. That is, the physical channel stored in the receivable channel list memory unit 62 is associated with the remote control channel so that it can be viewed. At the same time, the broadcaster corresponding to the physical channel stored in the receivable channel list memory unit 62 is displayed on the LCD 3. At this time, the data stored in the broadcaster data memory unit 64 is used.

  In step S 311, the broadcaster corresponding to the physical channel stored in the regional channel list memory unit 61 is displayed on the LCD 3. The physical channel is a local physical channel including the latitude and longitude detected in step S302. In step S311, the data stored in the broadcaster data memory unit 64 is used as in step S308.

  If the process proceeds to step S321, a reception sensitivity information search is performed. More specifically, the reception sensitivity information stored in the receivable channel list memory unit 62 is detected. In step S322, it is determined whether the reception sensitivity information detected in step S321 is better than the reception sensitivity information stored in the receivable channel list memory unit 62. In step S322, when it is determined that the reception sensitivity information detected in step S321 is better than the reception sensitivity information stored in the receivable channel list memory unit 62, the process ends. On the other hand, if it is determined in step S322 that the reception sensitivity information detected in step S321 is not better than the reception sensitivity information stored in the receivable channel list memory unit 62, the inclination notification unit is an example. In step S331, the inclination corresponding to the reception sensitivity information stored in the receivable channel list memory unit 62 is displayed on the LCD 3, and the process ends. The reception sensitivity information stored in the receivable channel list memory unit 62 is information at the time of channel scanning or immediately before viewing.

  As described above, when it is determined in step S322 that the reception sensitivity information detected in step S321 is not better than the reception sensitivity information stored in the receivable channel list memory unit 62, the reception is received in step S331. Since the inclination corresponding to the reception sensitivity information stored in the possible channel list memory unit 62 is displayed on the LCD 3, it is possible to prompt the user to improve the inclination of the first antenna 1.

  In the above process, in step S308, the broadcaster corresponding to the physical channel stored in the receivable channel list memory unit 62 is associated with the physical channel stored in the receivable channel list memory unit 62 in association with the remote control channel. Is displayed on the LCD 3, but the physical channel stored in the receivable channel list memory unit 62 is associated with the remote control channel, and the preset number of the remote control channel is displayed on the LCD 3. It may be.

  Although specific embodiments of the present invention have been described, the present invention is not limited to the above-described embodiments, and the above-described embodiments and modifications thereof can be appropriately combined to implement BS (broadcasting satellite) television broadcasting. Or it can apply also to the receiver which can view CS (communications satellite) broadcast.

DESCRIPTION OF SYMBOLS 1 1st antenna 2 Terrestrial digital part 5 Detection part 6 Memory part 7 Control part 51 Area detection part 52 Height detection part 53 Inclination detection part 62 Receivable channel list memory part 71 Reception sensitivity detection part

Claims (3)

An antenna for receiving TV broadcast waves;
A height direction position detection unit for detecting a position in its height direction;
A horizontal position detector for detecting its own horizontal position;
A storage unit that stores physical channels that can be received at the time of channel scanning in association with positions detected by the height direction position detection unit and the horizontal direction position detection unit at the time of channel scanning;
A control unit,
The control unit
A position determination unit that determines whether or not the current position detected by the height direction position detection unit and the horizontal direction position detection unit corresponds to the position at the time of channel scanning stored in the storage unit;
The position determination unit determines that the current position detected by the height direction position detection unit and the horizontal direction position detection unit corresponds to the channel scan position stored in the storage unit. And a remote control channel associating unit for associating the physical channel stored in the storage unit with the remote control channel. The receiving device according to claim 1,
The control unit includes a reception sensitivity detection unit that detects reception sensitivity of a physical channel,
The storage unit stores a physical channel that can be received at the time of channel scanning in association with the reception sensitivity detected by the reception sensitivity detection unit at the time of channel scanning or previous reception,
The remote control channel associating unit associates a physical channel stored in the storage unit with a remote control channel having a smaller number as the reception sensitivity is higher. The receiving device according to claim 2,
An inclination detector for detecting the inclination of the antenna;
The storage unit stores physical channels that can be received at the time of channel scanning in association with the inclination detected by the inclination detection unit at the time of channel scanning or previous reception,
The control unit
An inclination determination unit that determines whether or not the current inclination detected by the inclination detection unit corresponds to an inclination at the time of channel scan or previous reception stored in the storage unit;
When it is determined by the inclination determination unit that the current inclination detected by the inclination detection unit does not correspond to the inclination at the time of channel scanning or previous reception stored in the storage unit, the reception sensitivity detection unit A reception sensitivity determination unit that determines whether or not the detected current reception sensitivity is better than the reception sensitivity at the time of channel scan or previous reception stored in the storage unit;
When it is determined by the reception sensitivity determination unit that the current reception sensitivity detected by the reception sensitivity detection unit is not better than the reception sensitivity at the time of channel scanning or previous reception stored in the storage unit, A receiving apparatus comprising: an inclination notifying unit for notifying a user of an inclination at the time of channel scan or previous reception stored in a storage unit.

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