KR101879254B1 - Satellite broadcasting receiver for alerting based on detecting accident - Google Patents

Abstract

The present invention discloses a satellite broadcasting reception TV which seamlessly receives a satellite broadcasting transmitting weather information or danger warnings even when moving by using a camping car, quickly detects various accidents generated in a camping site or an outdoor environment and can warn a surrounding user. The disclosed satellite broadcasting reception TV determines whether a risk occurs according to whether a mobile communication network or a wired/wireless IP network is available, or receives from a relief control system whether the risk occurs. The satellite broadcasting reception TV comprises: a detection signal receiving part; a communication network inspecting part; a determining part; a warning signal generating part; a satellite broadcasting antenna; a broadcasting receiving part; an information providing part; an antenna direction detecting part; a GPS receiving part; and an antenna direction changing part.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a satellite broadcast receiving apparatus,

The following embodiments relate to a satellite broadcast TV, and more specifically, to a satellite broadcast TV that detects an accident occurring in a camping field, a camping car, or a tent and generates an alarm promptly.

As the demand for resting and finding nature increases, the number of outdoor and camping population is also increasing. However, there are many incidents and accidents in campsites where the environment is poor. In case of a fire, flood, or earthquake in the camping area, it is necessary to warn the users around the camping area as soon as possible because the rescue team is forced to come back late.

Natural disasters such as heavy rains and typhoons are predictable. Predictions of natural disasters can be communicated through weather forecasts. However, in many campgrounds, there are many places where it is difficult to receive an airwave TV. Therefore, in order to cope with natural disasters, reception of satellite TV is essential.

Satellite TV is difficult to receive compared with general terrestrial TV because it has to fix the direction of the antenna in the direction of the satellite transmitting the broadcast. Therefore, a technique for automatically controlling the direction of the satellite broadcast antenna in consideration of the direction of the satellite broadcast TV and the direction of the satellite transmitting the broadcast has been studied.

The following embodiments are intended to promptly detect various accidents occurring in a camping and outdoor environment and warn surrounding users.

The following embodiments are intended to continuously receive satellite broadcasts that transmit weather information or danger warnings even when moving using a camping car or the like.

According to an exemplary embodiment of the present invention, a sensing signal receiving unit for receiving an emergency signal by dangerous factors generated by sensing danger factors occurring in a campsite or a vehicle, a communication network inspection unit for determining whether a mobile communication network or a wired and wireless IP network is available, A judging unit for judging whether or not a risk has occurred by comparing an emergency signal for each of the received risk factors with a threshold value when the mobile communication network or the wired and wireless IP network is not available, And a warning signal generating unit for informing a user of the occurrence of a risk by using the satellite broadcast receiving TV.

Here, if the mobile communication network or the wired and wireless IP network is available, a transmission unit for transmitting the received emergency signal for each risk factor to the aid control system using the mobile communication network or the wired / wireless IP network, And a warning signal generation unit for receiving a danger warning signal based on the emergency emergency signal, and the warning signal generation unit may alert the user of the danger by using the built-in speaker or the external speaker in accordance with the danger warning signal have.

A satellite broadcast antenna for receiving satellite broadcast, a broadcast receiver for receiving weather information or a danger warning for the camping ground or the area where the vehicle is located using the satellite broadcast, and a weather information receiver And an information providing unit.

A GPS receiver for receiving a GPS signal and detecting a position of the satellite broadcast TV, a GPS receiver for receiving the GPS signal and detecting the position of the satellite broadcast antenna, And an antenna direction changing unit for changing the direction of the satellite broadcasting antenna so that the satellite broadcasting antenna directs the satellite broadcasting satellite to the satellite transmitting the satellite broadcasting using the position of the broadcast receiving TV, The weather information or the danger warning can be received.

The apparatus may further include a channel list providing unit for providing a plurality of channel lists and a user selection receiving unit for receiving a selection of a user for one of the plurality of channel lists, Direction to the direction of the satellite transmitting the satellite broadcast including the selected channel.

The gyro sensor may further include a gyro sensor for sensing the degree of the further change when the direction of the satellite broadcast antenna is further changed after the direction of the satellite broadcast antenna is changed toward the satellite, The direction of the satellite broadcast antenna may be changed again to control the satellite broadcast antenna to track the satellite.

The vehicle control apparatus according to claim 1, further comprising a control command transmission unit for transmitting a control command to the vehicle when it is determined that the danger has occurred, Can be used to warn.

Here, the emergency signal is generated by sensing carbon dioxide concentration, temperature, smoke generation, or photographing the camping field or the vehicle, and the determination unit compares the carbon dioxide concentration or the temperature with a predetermined threshold value, The warning signal generator may transmit the image generated by photographing the campsite or the vehicle to the user's portable terminal when the danger is determined to have occurred.

According to the embodiments described below, it is possible to promptly detect various accidents occurring in the camping area and the outdoor environment, and warn surrounding users.

According to the embodiments described below, it is possible to continuously receive satellite broadcasts that transmit weather information or danger warning even when moving using a camper.

1 is a diagram showing a concept of a satellite broadcast receiving TV that detects an incident and receives satellite broadcast according to an exemplary embodiment.
FIG. 2 is a block diagram illustrating a structure of a satellite broadcast receiving TV that detects an incident according to an exemplary embodiment and warns a user according to a detection result.
FIG. 3 is a flowchart illustrating a method of operating a satellite broadcast TV, which detects an incident according to an exemplary embodiment and warns a user according to a detection result.
4 is a block diagram illustrating a structure of a satellite broadcast receiving TV receiving satellite broadcast according to an exemplary embodiment.
5 is a diagram illustrating an operation of a satellite broadcast receiving TV which changes the direction of a satellite broadcast antenna according to an exemplary embodiment.
6 is a diagram illustrating a satellite broadcast receiving antenna and a satellite broadcast receiving TV for tracking the direction of a satellite according to an exemplary embodiment.
Figure 7 is a diagram illustrating an embodiment that provides multiple channel goals.
FIG. 8 is a block diagram illustrating a structure of a satellite broadcast receiving TV that alerts a user to the occurrence of a danger using the horn of a registered vehicle.
9 is a view illustrating a planar antenna according to an exemplary embodiment.
FIG. 10 is a view illustrating each portion of a planar antenna according to an exemplary embodiment. FIG.
11 is a view showing a terrestrial antenna stored in a sun visor according to an exemplary embodiment.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings.

1 is a diagram showing a concept of a satellite broadcast receiving TV that detects an incident and receives satellite broadcast according to an exemplary embodiment.

Outdoor environments such as camping grounds that the user uses for camping may be vulnerable to natural disasters such as fire, flood, and earthquake. It takes a lot of time for the rescue team to arrive at the campsite. Therefore, when an accident occurs in the campsite where the tent 100 or the camping car 120 is located, it is possible to inform the users around the campsite as quickly as possible It is important. It is also important to report the occurrence of an accident at the campsite to a relief control system (eg, the 119 reporting center operated by the National Security Service).

The satellite broadcast receiving TV 160 according to the exemplary embodiment can receive weather information or natural disaster-related danger warning for the area where the camping site is located from the satellite 140 transmitting the satellite broadcast. In this case, the satellite broadcast receiving TV 160 may provide the weather information or the natural disaster-related danger warning to the user in the form of a display device or a sound alarm through an internal or external speaker.

In addition, the satellite broadcast receiving TV 160 according to the exemplary embodiment can receive emergency signals for various risk factors around the camping ground by using the plurality of sensors 131, 132, 133, and 134. For example, in FIG. 1, the risk factor may be fire, flood, etc., and the emergency signal may be ambient temperature, photographed image, or smoke occurrence. The satellite broadcast receiving TV 160 can directly determine whether an accident has occurred in the camping field or the camping car 120 using the received emergency signal or can receive the occurrence of an accident from the relief control system.

If an accident occurs in the campsite or the camping car 120, the satellite broadcast receiving TV 160 may warn the user of the occurrence of an accident by using an internal or external speaker or a display device. In addition, the satellite broadcast receiving TV 160 can pre-register the registered car 120 to alert the user of the occurrence of an accident by ringing the horn of the car 120. [

FIG. 2 is a block diagram illustrating a structure of a satellite broadcast receiving TV that detects an incident according to an exemplary embodiment and warns a user according to a detection result. The satellite broadcast receiving TV 200 according to the exemplary embodiment includes a detection signal receiving unit 210, a communication network checking unit 220, a determining unit 230, a warning signal generating unit 240, a transmitting unit 250, 260).

The danger detection unit 270 detects danger factors occurring in the campsite or the vehicle, and generates an emergency signal for each of the risk factors generated. Here, the risk factors are fire, flood, and the like, and the emergency signal may be the temperature of the surroundings, the image or smoke generated.

The detection signal receiving unit 210 receives the emergency signal from the danger detection unit 270. According to one aspect, the detection signal receiving unit 210 can receive an emergency signal from the danger detection unit 270 using a short distance communication method such as NFC, Wi-Fi, Bluetooth, or ZigBee.

The network check unit 220 determines whether a mobile communication network or a wired / wireless IP network that connects the satellite broadcast TV and the OSC 280 is available.

If the mobile communication network or the wired / wireless IP network is not available, the determination unit 230 determines whether an accident has occurred or a danger has occurred in the campsite or the vehicle from the received emergency signal.

According to one aspect, the determination unit 230 can compare the received emergency signal with a predetermined threshold to determine whether or not a risk has occurred. For example, when the received emergency signal is the temperature of the camping field, the determination unit 230 compares the temperature of the camping field with a predetermined threshold, and when the temperature of the camping field is higher than the predetermined threshold, .

According to one aspect, the determination unit 230 may determine not only an emergency signal but also a plurality of emergency signals to determine whether an accident has occurred in a campsite or a vehicle, and whether a danger has occurred. For example, the emergency signal may be an image generated by photographing a camping field or a camping car, a carbon dioxide concentration inside the camping car, a temperature inside a camping field or a camping car, a smoke in a camping field or a camping car, or a camping field or a camper. In this case, the determination unit 230 may determine that a risk has occurred by combining the result of comparing the carbon dioxide concentration or the temperature with a predetermined threshold value and whether smoke is generated.

If it is determined that a danger has occurred, the warning signal generator 240 can alert a user to the occurrence of a danger by using a speaker (not shown) or an external speaker built in the satellite broadcast receiving TV 200.

The warning signal generating unit 240 may photograph a camping field or a camping car and transmit the generated image to a user's portable terminal so that the user can quickly grasp the situation.

According to another embodiment, the network check unit 220 can determine that the mobile communication network or the wired and wireless IP network is available. In this case, the transmission unit 250 can transmit the received emergency signal for each risk factor to the assistance control system 280 using the mobile communication network or the wired / wireless IP network.

Here, the relief control system 280 may be a 119 reporting center operated by the National Security Agency or the like. The relief control system 280 may determine whether an accident has occurred or a risk has occurred in the campsite or the camping car based on the emergency signal.

The relief control system 280 may generate a danger warning signal according to the determination result. In addition, the relief control system 280 can determine whether a risk has occurred by combining the information received from the satellite broadcast receiving TV 200 with weather information and disaster information of the corresponding area. For example, according to the information received from the satellite broadcast receiving TV 200, even if it is appropriate to send a simple warning only to people around the campsite due to a minor accident, a typhoon occurs in the area, Can be evacuated to people around camping grounds to prevent the occurrence of larger accidents.

The reception unit 260 may receive a danger warning signal from the relief control system 280. [ The warning signal generator 240 can alert a user to the occurrence of a danger by using a speaker (not shown) or an external speaker built in the satellite broadcast receiving TV 200. In addition, the warning signal generating unit 240 may photograph the camping field or the camping car and transmit the generated image to the portable terminal unit of the user so that the user can quickly grasp the situation.

FIG. 3 is a flowchart illustrating a method of operating a satellite broadcast TV, which detects an incident according to an exemplary embodiment and warns a user according to a detection result.

The sensor installed in the camping area or the vehicle detects the danger factors occurring in the campsite or the vehicle and generates emergency signals according to the generated hazard factors. Here, the risk factors are fire, flood, and the like, and the emergency signal may be the temperature of the surroundings, the image or smoke generated. In addition, the sensors for detecting the risk factors may be a temperature sensor, a smoke sensor, a carbon dioxide concentration sensor, and the like.

In step 310, the satellite broadcast receiving TV receives an emergency signal from the sensor.

In step 320, the satellite broadcast receiving TV determines whether a mobile communication network or a wired or wireless IP network that connects the satellite broadcast TV with the aid control system is available.

If the mobile communication network or the wired or wireless IP network is not available, the satellite broadcast receiving TV determines from the emergency signal received in step 350 whether an accident has occurred in the campsite or vehicle, or whether a hazard has occurred. According to one aspect, the satellite broadcast receiving TV may compare the received emergency signal with a predetermined threshold to determine whether a danger has occurred.

According to another embodiment, the satellite broadcast TV may determine in step 320 that a mobile communication network or a wired or wireless IP network is available. In this case, the satellite broadcast receiving TV may transmit the emergency signal according to the risk factor received in step 330 to the assistance control system using the mobile communication network or the wired / wireless IP network.

The relief control system can determine whether an accident has occurred or a risk has occurred in the campsite or camping car based on the emergency signal. The relief control system can generate a danger warning signal according to the judgment result.

At step 340, the satellite broadcast receiving TV may receive a hazard alert signal from the relief control system 280.

If it is determined that a risk has occurred, the satellite broadcast receiving TV may use a speaker built in the satellite broadcast receiving TV in step 360 or warn the user of the danger by using an external speaker.

In addition, the satellite broadcast receiving TV can capture a camping field or a camper, and transmit the generated image to a portable handler of a user so that the user can quickly grasp the situation.

4 is a block diagram illustrating a structure of a satellite broadcast receiving TV receiving satellite broadcast according to an exemplary embodiment. The satellite broadcast receiving TV 400 according to the exemplary embodiment may further include a broadcast receiving unit 410 and an information providing unit 420 as well as various components shown in FIG.

The satellite broadcast antenna 430 receives the satellite broadcast from the satellite.

The broadcast receiving unit 410 may receive weather information or a danger warning about a camping ground or an area where the camping car is located using satellite broadcasting.

The information providing unit 420 may provide the user with the received weather information or danger warning. According to one aspect, the information providing unit 420 may overlay the weather information or danger warning in the form of text on an image displayed through a display device, and provide the weather warning information to a user. Or the information providing unit 420 may provide a warning to the user using the internal and external speakers.

In Fig. 4, the satellite transmitting the satellite broadcast is generally located on the stationary orbit. Accordingly, in order to receive a satellite broadcast for transmitting a specific broadcast channel, the satellite broadcast antenna 430 should be oriented in the direction of the satellite transmitting the satellite broadcast.

5 is a diagram illustrating an operation of a satellite broadcast receiving TV which changes the direction of a satellite broadcast antenna according to an exemplary embodiment.

FIG. 5A shows a case where the direction of the satellite broadcast antenna 510 is not directed to the satellite 520. FIG. In most cases, the satellite broadcast receiving TV moves on a vehicle such as a camper. When the satellite broadcast receiving TV is moved, its direction is also changed. Therefore, even if the satellite broadcast antenna is adjusted to be directed toward the satellite at the last use, it is highly likely that the satellite broadcast antenna is not facing the satellite at the next use. As shown in FIG. 5A, when the satellite broadcast antenna is not facing the satellite, it is very difficult to receive the satellite broadcast using the satellite broadcast antenna.

Accordingly, the satellite broadcast receiving TV must change the direction of the satellite broadcast antenna at every operation to receive the satellite broadcast.

FIG. 5B shows that the direction of the satellite broadcast antenna 530 is directed to the satellite 540. FIG. As shown in FIG. 5B, when the direction of the satellite broadcast antenna 530 is directed to the satellite 540, the satellite broadcast can be received using the satellite broadcast antenna 530.

According to one aspect, the satellite broadcast receiving TV can control the satellite broadcast antenna to be directed to the satellite 540 using the position of the satellite broadcast receiving TV and the direction of the satellite broadcast antenna.

6 is a diagram illustrating a satellite broadcast receiving antenna and a satellite broadcast receiving TV for tracking the direction of a satellite according to an exemplary embodiment.

According to one aspect, the satellite broadcast antenna 610 receives satellite broadcasts.

The antenna direction sensing units 621 and 622 can sense the direction of the satellite broadcast antenna 610. According to one aspect, the antenna direction sensing units 621 and 622 can sense the direction of the satellite broadcast antenna 610 using a geomagnetic sensor.

The GPS receiving unit 630 may receive the GPS signal and sense the position of the satellite broadcast receiving TV.

The antenna direction changing unit 640 adjusts the direction of the satellite broadcasting antenna 610 so that the satellite broadcasting antenna 610 can direct the satellite broadcasting antenna using the direction of the detected satellite broadcasting antenna 610 and the detected position of the satellite broadcasting receiving TV 610).

For example, when the position of the satellite broadcast receiving TV is detected, the position of the satellite transmitting the specific satellite broadcast is fixed, and the direction to which the satellite broadcast antenna 610 should be directed is determined.

The antenna direction changing unit 640 changes the direction of the satellite broadcasting antenna 610 from the direction of the satellite broadcasting antenna 610 and the direction of the satellite broadcasting antenna 610, The antenna direction changing unit 640 may change the direction of the satellite broadcast antenna 610 according to the calculated direction change value and transmit the satellite broadcast to the satellite broadcast antenna 610 It can be directed to the satellite.

The broadcast receiving unit 410 can receive the weather information or the satellite warning by using the satellite broadcast antenna 610 whose direction is changed to the satellite transmitting the satellite broadcast.

According to one aspect, the satellite receiving antenna 610 can be carried on a vehicle such as a camper. In this case, the direction of the satellite reception antenna 610 can be continuously changed according to the rotation of the vehicle or the like.

In this way, when the direction of the satellite broadcast antenna 610 is further changed after the direction of the satellite broadcast antenna 610 is changed to the satellite, the gyro sensors 661 and 662 further detect the degree of change.

The antenna direction changing unit 640 may change the direction of the satellite broadcast antenna 610 in consideration of the information that the satellite broadcast antenna 610 has additionally changed to control the satellite broadcast antenna 610 to track the satellite.

Figure 7 is a diagram illustrating an embodiment that provides multiple channel goals.

According to one aspect, the satellite broadcast receiving TV may further include a channel list providing unit and a user selecting receiving unit.

The channel list providing unit may provide a channel list of satellite broadcasts receivable using the satellite broadcast receiving TV as shown in FIG. 7 includes channels such as a safety TV, a weather TV, a sports TV, and a drama TV. In each channel, a channel number 710, a channel name 720, and a channel content 730 are displayed. With regard to the channel content 730, the safety TV is the channel that provides the incident information 740 and the weather TV is the channel that provides the weather forecast 750.

The user selection receiving unit receives the user's selection of one of the plurality of channel lists. When the user selects any one of the plurality of channels shown in FIG. 7, the satellite broadcast receiving TV determines the satellite transmitting the corresponding channel. According to one aspect, the satellite broadcast receiving TV stores information on satellites corresponding to the respective channels in a database form, and can refer to the satellite to determine a satellite transmitting the corresponding channel.

According to one aspect, the satellite broadcast receiving TV stores information on the coordinates of each satellite in the form of a database, and obtains the coordinates of the determined satellite by referring to the information.

The satellite broadcast receiving TV can determine the direction to which the satellite broadcast antenna 610 should point at the position of the satellite broadcast receiving TV using the coordinates of the satellite.

FIG. 8 is a block diagram illustrating a structure of a satellite broadcast receiving TV that alerts a user to the occurrence of a danger using the horn of a registered vehicle. The satellite broadcast receiving TV 800 according to the exemplary embodiment may further include a control command transmitting unit 810 as well as the components shown in FIG.

According to one aspect, the satellite broadcast receiving TV 800 can register and manage information about the vehicle 820 in advance.

The control command transmission unit 810 may transmit a control command to the vehicle 820 to manage the vehicle 820 if it is determined that a danger has occurred. According to one aspect, the control command may include identification information for the vehicle 820, information about the content of the risk, and information about the warning method.

The vehicle 820 receives the control command and can warn the user of the occurrence of a danger by using a display device or a horn or the like installed in the vehicle 820 according to the control command.

For example, the vehicle 820 may sound a horn of the vehicle to warn the user of the danger. In this case, the size and pattern of the horn can be changed depending on the type of danger and degree of danger.

According to another embodiment, the vehicle 820 may provide the user with the type of risk and the degree of risk in the form of text or images using a display device installed in the vehicle 820. [

9 is a view illustrating a planar antenna according to an exemplary embodiment.

The satellite broadcast antenna according to the exemplary embodiment may be implemented as a flat plate as shown in FIG. The flat antenna shown in FIG. 9 includes a GPS receiver. The flat antenna detects the position of the satellite broadcasting antenna or satellite broadcasting TV using a GNSS satellite navigation device on the ground of 20,000 km or less. In addition, the flat antenna includes a geomagnetic sensor, which can sense the position of the satellite broadcast antenna.

The planar antenna according to the exemplary embodiment can automatically track a target satellite over 35,000 km equidistant based on the position of the sensed antenna and the attitude of the sensed antenna.

The plane antenna shown in FIG. 9 can receive horizontally polarized, vertically polarized, or circularly polarized broadcast signals transmitted from a satellite after auto-tracking.

The planar antenna shown in Fig. 9 has a motor at the bottom to automatically track the satellite.

FIG. 10 is a view illustrating each portion of a planar antenna according to an exemplary embodiment. FIG.

10 (a) is a front view of the planar antenna according to the exemplary embodiment. The planar antenna is rotatable in the left and right direction, and the plane antenna can change the up-and-down angle of the antenna portion 1010 so that the planar antenna can face the satellite.

10 (b) is a side view of the planar antenna according to the exemplary embodiment. The antenna main body 1020 is in the form of a plane antenna, and the LNB is embedded.

A skew angle adjusting motor 1021 is attached to the rear end of the antenna main body 1020 to rotate the antenna main body part from -90 degrees to +90 degrees.

An antenna guide arm (ARM GUIDE) for adjusting the angle of up / down / right / skew of the antenna is located on the side 1030 of the bottom part of the flat antenna.

A GPS module for receiving a GNSS signal is incorporated in a portion 1031 of the bottom portion of the plane antenna.

A portion of the bottom 1040 of the plane antenna incorporates a control board of the GNSS satellite navigation device and a set-top box for receiving 950 to 2150 MHz DVB-S2 satellite broadcast.

An HDMI connection terminal for connecting a TV monitor and a power source (12 to 24 V) input terminal are located at the rear end 1041 of the bottom portion of the flat antenna.

At the lower end 1043 of the bottom of the plane antenna, a magnetic magnet capable of attaching the plane antenna to the roof of the vehicle may be located.

The lower end 1042 of the bottom portion of the flat antenna may have a fixing hole for attaching a pedestal or leg (LEG) when the flat antenna is placed on the sand or outdoors.

10 (c) is a rear view of the planar antenna according to the exemplary embodiment.

The antenna main body 1050 is in the form of a plane antenna, and the LNB is built therein.

At the rear end 1060 of the antenna main body 1050, a skew motor capable of rotating the planar antenna clockwise or counterclockwise from -90 degrees to +90 degrees is located.

Further, the rear end 1060 of the antenna main body 1061 is connected to the flat antenna fixing arm 1051.

A set-top box in which a GNSS satellite navigation controller con- droller is built in the bottom portion 1070 of the plane antenna, receives a satellite broadcast signal in the 950-2050 MHz frequency band, and demodulates the satellite broadcast signal to receive a DVB-S2 digital TV broadcast It is built in.

11 is a view showing a terrestrial antenna stored in a sun visor according to an exemplary embodiment.

Satellite broadcast receiving TVs can be used in an outdoor environment. In this case, the field of view of the TV can be provided by strong light from the outside such as sunlight. Therefore, when watching TV in an outdoor environment, a sun visor capable of blocking sunlight can be added.

11A shows that the sun visor 1120 is covered on the TV screen in order to protect the screen of the TV 1110 when the TV 1110 is not watched. The sun visor 1120 shown in FIG. 11 can be divided into two areas 1121, 1122 and 1123, and an antenna for receiving a terrestrial TV is built in each of the areas 1121, 1122 and 1123 . According to one aspect, the antenna embedded in each of the regions 1121, 1122, and 1123 may be a loop antenna.

11B is a view showing that the sun visor 1140 is opened to obscure the sunlight when viewing the TV. By unfolding the sun visor 1140 and bringing sunlight as shown in FIG. 11B, The visibility of the TV screen can be increased.

11C is a diagram showing an embodiment in which the angles of the areas 1151, 1152, and 1153 of the sunvisor are different in order to increase the reception efficiency of the terrestrial waves.

The reception efficiency is maximized when the loop antenna is perpendicular to the direction in which the radio wave is incident. In the case of terrestrial TV, since the radio wave is received from a transmitting station located a long distance, it can be assumed that the radio wave is incident almost parallel to the ground. Therefore, when the loop antenna is vertically set up, the reception efficiency of the terrestrial antenna is maximized.

The sun visor according to the exemplary embodiment can connect each region constituting the sun visor with a fabric material to freely change the angle between the regions. 11C shows an embodiment in which the middle portion 1152 of the sunvisor is vertically received to receive a radio wave of the terrestrial TV, but it is also possible to vertically set the end portion 1153 of the sunvisor according to another embodiment.

The method according to an embodiment may be implemented in the form of a program command that can be executed through various computer means and recorded in a computer-readable medium. The computer-readable medium may include program instructions, data files, data structures, and the like, alone or in combination. The program instructions to be recorded on the medium may be those specially designed and configured for the embodiments or may be available to those skilled in the art of computer software. Examples of computer-readable media include magnetic media such as hard disks, floppy disks and magnetic tape; optical media such as CD-ROMs and DVDs; magnetic media such as floppy disks; Magneto-optical media, and hardware devices specifically configured to store and execute program instructions such as ROM, RAM, flash memory, and the like. Examples of program instructions include machine language code such as those produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter or the like. The hardware devices described above may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. For example, it is to be understood that the techniques described may be performed in a different order than the described methods, and / or that components of the described systems, structures, devices, circuits, Lt; / RTI > or equivalents, even if it is replaced or replaced.

Therefore, other implementations, other embodiments, and equivalents to the claims are also within the scope of the following claims.

100: Tent
120: Motorhomes
131, 132, 133, 134: sensors
140: satellite
150: Satellite broadcasting antenna
160: TV receiving satellite broadcasting

Claims (8)

A sensing signal receiving unit for sensing a dangerous factor generated in a camping ground or a vehicle and generating an emergency signal according to a dangerous factor by local communication;
A network check unit for determining whether a mobile communication network or a wire / wireless IP network is available;
A judging unit for comparing the emergency signal for each of the received risk factors with a threshold value when the mobile communication network or the wired and wireless IP network is not available, And
A warning signal generating unit for generating a warning signal to the user using a built-in speaker or an external speaker when the risk is determined to have occurred;
A satellite broadcast antenna for receiving a satellite broadcast;
A broadcast receiver for receiving weather information or danger warning about the camping ground or the area where the vehicle is located using the satellite broadcast;
An information providing unit for providing the user with the received weather information or danger warning;
An antenna direction sensing unit for sensing a direction of the satellite broadcast antenna using a geomagnetic sensor;
A GPS receiver for receiving a GPS signal and detecting the position of the satellite broadcast receiving TV; And
An antenna direction changing unit for changing a direction of the satellite broadcasting antenna so that the satellite broadcasting antenna is directed to a satellite transmitting the satellite broadcasting using the direction of the satellite broadcasting antenna and the position of the satellite broadcasting receiving TV,
Lt; / RTI >
And the broadcast receiving unit receives the weather information or the danger warning using the satellite broadcast antenna whose direction is changed. The method according to claim 1,
A transmission unit for transmitting the emergency signal according to the received risk factor to the assistance control system using the mobile communication network or the wired / wireless IP network when the mobile communication network or the wired / wireless IP network is available; And
And a receiver for receiving a danger warning signal judged based on the emergency signal for each risk factor from the safety management system
Further comprising:
Wherein the warning signal generating unit warns the user of the danger by using the built-in speaker or the external speaker in accordance with the danger warning signal. delete delete The method according to claim 1,
A channel list providing unit for providing a plurality of channel lists; And
A user selection receiver for receiving a selection of a user for one of the plurality of channel lists;
Further comprising:
Wherein the antenna direction changing unit changes the direction of the satellite broadcast antenna to a direction of a satellite transmitting the satellite broadcast including the selected channel. The method according to claim 1,
A gyro sensor for sensing the degree of the further change when the direction of the satellite broadcast antenna is further changed after the direction of the satellite broadcast antenna is changed toward the satellite,
Further comprising:
Wherein the antenna direction changing unit changes the direction of the satellite broadcast antenna again to control the satellite broadcast antenna to track the satellite in consideration of the further changed degree. The method according to claim 1,
A control command transmission unit for transmitting a control command for the vehicle to the vehicle,
Further comprising:
Wherein the control command for the vehicle is used to sound the horn of the vehicle to warn the user of the danger. The method according to claim 1,
The emergency signal is generated by sensing carbon dioxide concentration, temperature, smoke occurrence, or photographing the campsite or the vehicle,
The determination unit compares the carbon dioxide concentration or the temperature with a predetermined threshold or determines that the risk has occurred according to whether the smoke is generated,
Wherein the warning signal generating unit transmits the image generated by photographing the camping ground or the vehicle to the portable terminal of the user when the danger is determined to have occurred.

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