KR100348451B1 - Positioner of Satellite for Broadcasting - Google Patents

Abstract

The present invention relates to a position display device for a broadcast satellite, comprising: a tuner (10) for retrieving and setting broadcast signals from a plurality of broadcast satellites, and storing data for a plurality of set broadcast satellites, and the position and dish type of the broadcast satellite. The control unit 60 for outputting a signal for controlling the driving to the antenna, the video unit 20 for visually displaying data on the broadcast satellite input from the control unit 60, and according to the display of the broadcast satellite An audio unit 30 for outputting an audible sound, a radio frequency modulator 40 for modulating a broadcast signal, a control unit 60 for calculating and controlling input and output signals, and a power supply unit 50 for supplying driving power of a predetermined level ), A remote controller 70 comprising a plurality of buttons for outputting a control signal for remotely setting, deleting or changing the position of the broadcast satellite, and a control signal of the controller 60. An actuator 90 for driving the dish antenna is included to display the broadcast satellite on the screen of the TV, and to search and store the location with the remote control, and to automatically drive the dish antenna according to the position tracking.

Description

Positioner of Satellite for Broadcasting {Positioner of Satellite for Broadcasting}

The present invention relates to a position display device for a broadcast satellite, and more particularly, to display a broadcast satellite on a screen of a TV, search and store the location using a remote control, and store the dish-type antenna (or parabola antenna) according to the position tracking. The present invention relates to a position display apparatus of a broadcasting satellite for automatically driving the apparatus.

BACKGROUND ART Conventionally, TVs used in homes and offices receive terrestrial waves (airwaves; VHF or UHF) transmitted from television broadcasting stations either directly or through a relay station, such as an outdoor antenna or an indoor antenna for TV reception. In addition, in order to receive satellite broadcasting, a separate outdoor antenna (parabolic antenna) is installed, and the satellite broadcasting can be viewed on a TV via a device that processes a signal received from the corresponding outdoor antenna.

Since a conventional satellite broadcasts a space having a predetermined height from the ground in the same direction and rotational speed as the rotational direction of the earth, it is necessary to accurately determine the position of the broadcast satellite. In addition, since the broadcast satellite is floating in a myriad of numbers over the earth, it is necessary to match the dish-type antenna to the broadcast satellite that you want to receive more clear broadcast signals can be received.

In order to receive broadcast signals transmitted from a plurality of broadcast satellites, a dish antenna is installed, and the receiving position of the dish antenna is adjusted and fixed at the position of the corresponding broadcast satellite. That is, in order to receive the broadcast signal transmitted from the broadcasting satellite at a predetermined position on the ground, the dish antenna should be adjusted to match the corresponding broadcasting satellite, and once adjusted and fixed, the dish antenna is repositioned to work with other broadcasting satellites. Should be adjusted.

As described above, in order to watch satellite broadcasting in the related art, a viewer must adjust the reception positions of a broadcasting satellite for transmitting a corresponding broadcast and a dish-type antenna installed outdoors. Therefore, in order for viewers to watch other broadcasting satellites, it is cumbersome to readjust the dish antenna to the corresponding broadcasting position, and to accurately find the position of the broadcasting satellite for transmitting broadcast signals that can be received from the ground, It was not easy to adjust the antenna.

In addition, since the number of broadcast satellites currently transmitting broadcast signals and the selection of broadcast satellites that are frequently received are not readily available, it is not easy to receive broadcast signals from broadcast satellites desired by the viewer.

The present invention allows to select and delete a plurality of broadcast satellites that can be received by a dish antenna on the TV screen, and to set the name of the broadcast satellite, change the position and realize a graphic image. It is an object of the present invention to provide a position display device of a broadcast satellite for automatically receiving a broadcast signal from a corresponding broadcast satellite by automatically driving a position of a dish antenna at the same time as selecting a desired broadcast satellite.

1 is a block diagram of an apparatus for displaying a position of a broadcast satellite according to the present invention;

2 is a view showing a state in which the position of the broadcast satellite according to the present invention on the TV screen,

Figure 3 is a table showing the parameters and selection ranges showing the setting of the broadcast satellite and dish antenna according to the present invention.

♣ Explanation of symbols for main part of drawing ♣

10: tuner 20: video portion

30: audio unit 40: radio frequency modulator

50: power supply unit 60: control unit

70: remote control 80: dish antenna

90: actuator 100: TV screen

102a-102f: Broadcast satellite 104: Edit menu

In order to achieve the above object, the present invention provides a tuner for retrieving and setting broadcast signals from a plurality of broadcast satellites, storing data for a plurality of set broadcast satellites, and driving a position and a dish antenna of the broadcast satellite. A control unit for outputting a signal to control, a video unit for visually displaying data on a broadcast satellite input from the control unit, an audio unit for outputting an audible sound according to the display of the broadcast satellite, and a radio for modulating a broadcast signal A frequency modulator, a control unit for calculating and controlling input and output signals, a power supply unit for supplying driving power of a predetermined level, and a plurality of buttons for outputting control signals for remotely setting, deleting, or changing the position of a broadcasting satellite. An actuator for driving a dish-shaped antenna by a remote controller and a control signal of a controller It is characterized by being included.

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

1 is a block diagram showing an apparatus for displaying a position of a broadcast satellite according to the present invention.

The tuner 10 retrieves and sets broadcast signals from a plurality of broadcast satellites. The tuner 10 has an input frequency of 900-2,150 MHz, an input impedance of 75Ω, and an input level of -60 dB to -30 dB. The voltage is 14 / 18V 500mA, the bandwidth of the intermediate frequency is 27MHz (wideband, narrowband is 18MHz), and the tuning is PLL frequency synth.

The control unit 60 stores data for a plurality of broadcast satellites, and outputs a signal for controlling the position of the broadcast satellite and driving of the dish-shaped antenna, and controls the display device 1.

The video unit 20 visually displays data related to a broadcast satellite input from the control unit 60 on a TV screen. 405-1 to 625 lines, format is PAL, bandwidth is 5MHz, ED rejection is at least 40dB, output level is 1Vp-p at 75Ω, output connector is RCA, SCART, REMODULATOR, It consists of D-SUB and connects phone jack, socket TV and VCR Can be.

The audio unit 30 outputs an audible sound according to the display of the broadcast satellite. The frequency range of the audio unit 30 can be adjusted from 5.0 to 9.0, mono and stereo modes, and the bandwidth is 130, 280, 380 and 500KHz, de-emphasis is 50μS and 75μS, frequency response is 15KHz ± 3dB at 30Hz, output level is 1Vp-p at 600Ω, and Total Harmonic Distortion (THD) is up to 1%.

The radio frequency modulator 40 modulates the received broadcast signal for TV image output. The radio frequency modulator 40 modulates the broadcast signal. The radio frequency modulator 40 has a UHF output level of 75 ± 4 dB. The UHF output connector is IEC Male, the antenna input connector is IEC Female, and the tuning range is E21 ~ E69 RF PAL-G / I / K / NTSC-M frequency synth. The radio frequency modulator 40 converts the broadcast signal output from the control unit 60 through the tuner 10 into an RF signal and converts the broadcast signal between the position display device 1 and the TV so that it can be output and viewed on the TV screen 100. As a component that performs a role, it does not perform an independent role, but the video unit 20 and the audio unit 30 together with the RCA terminal 41, the SCART terminal 42, and the D-SUB terminal 43. The modulator 40 modulates and transmits a signal. Instead of affecting other communication devices, the TV image output function for outputting the received broadcast signal as an image through the TV screen 100 is faithfully performed.

The control unit 60 calculates and controls input and output signals, and a control integrated circuit such as a microcomputer or a CPU is used. It is also preferred to include a flash memory 61 for storing data relating to the drive and position of the dish antenna.

The power supply unit 50 supplies driving power of a predetermined level, and the input voltage of the power supply unit 50 is 90 to 270 V (50/60 Hz).

The remote controller 70 is composed of a plurality of buttons for outputting a control signal for remotely setting, deleting, or changing the position of the broadcast satellite, and may use an existing TV remote control by setting.

The remote controller 70 has a satellite button 71 for controlling and programming the position of the satellite, channel up / down buttons 72 and 73 for selecting parameters, and a volume up / down button for adjusting the set parameters ( 74 and 75, and a storage button 76 for selecting a parameter and storing a set parameter. The parameter is a satellite name parameter (ARAB 2B) which stores, in the diagram of FIG. 3, the name 103 of the satellite. ), A satellite number parameter (SAT NO) for setting the number 101 of the plurality of satellites, a satellite storage parameter (SAT STORED) for storing the position and number of the satellite, and a dish antenna indicating the position of the dish antenna. The position parameters (DISH POSI), the lowest position parameter (EAST LIMIT) that sets the lowest limit position of the actuator, the highest position parameter (WEST LIMIT) that sets the highest limit position of the actuator, and the lowest and highest limit positions Delimiter includes CLEAR DISH LIMITS, AUTO FOCUS for automatically setting the focus of the dish antenna, and REALIGN for rearranging the position of the satellites on the screen. It is. The buttons and parameters of the remote controller 70 may be adjusted according to the method of selecting and using a broadcast satellite.

The actuator 90 drives the dish-shaped antenna 80 by the control signal of the controller 60. The actuator 90 is installed at the lower end of the dish-shaped antenna 80 to adjust the angle of the dish-shaped antenna 80. It is to set the function.

Referring to the operation of the position display device 1 of the broadcast satellite according to the present invention as described above, first, pressing the satellite button 71 of the remote control 70 is set to the programming mode for the position and display of the broadcast satellite do. In this case, the diagram of FIG. 3 is displayed on the TV screen. The channel up / down buttons 72 and 73 may be used to select a parameter by moving the cursor up or down. In addition, when the selection is completed, pressing the storage button 76 configured on the remote control 70 stores the parameters and each channel.

The parameters are a satellite name parameter (ARAB 2B) for storing satellite names, a satellite number parameter (SAT NO) for setting a number of satellites, and a satellite storage parameter (SAT STORED) for storing satellite positions and numbers. A dish antenna position parameter (DISH POSI) indicating the position of the dish antenna, a minimum position parameter (EAST LIMIT) for setting the lowest limit position of the actuator, and a highest position parameter (WEST for setting the highest limit position of the actuator). LIMIT), the CLEAR DISH LIMITS to delete the lowest and highest limit positions, the AUTO FOCUS to automatically set the focus of the dish antenna, and the position of the satellites on the screen. The rearrangement rearrangement parameter REALIGN appears, and may be further configured as necessary in addition to the above parameter.

The satellite name parameter ARAB 2B can be operated by the channel up / down buttons 72 and 73 and the volume up / down buttons 74 and 75, and the satellite number parameter SAT NO is provided by a plurality of broadcast satellites 102a. -102f) can be selected (preferably about 50 or more). The satellite storage parameter SAT STORED may store the position and the number of satellites on or off in the selection mode.

The dish-type antenna position parameter (DISH POSI) can change the position of the corresponding broadcasting satellite 102a-102f with the volume up / down buttons 74 and 75, and can store it with the storage button 76, and The satellite number of is, for example, 0000 and can store up to 4800. The lowest position parameter EAST LIMIT can drive the actuator 90 to the lowest limit position, which can be adjusted with the volume up / down buttons 74 and 75. Also in the case of the WEST LIMIT, the actuator 90 can be driven to the highest limit position, which can be adjusted by the volume up / down buttons 74 and 75.

The CLEAR DISH LIMITS can delete the lowest and highest limit positions (e.g., change the cursor to "disc dish") and save by the save button 76.

The auto focus parameter (AUTO FOCUS) is to stop automatically when the position and signal of the corresponding broadcast satellite is found correctly, and is automatically driven until the correct position and signal are obtained. At this time, the coupling and fixing means should be checked so that the operation of the actuator for driving the dish-shaped antenna 80 is performed correctly by external wind or other conditions. However, if the correct position is not found, move the cursor to select the auto focus parameter, then press the save button 76 to save, and find the correct position after ± 30 operation.

The rearrangement parameter REALIGN should rearrange the position of the corresponding broadcast satellite that is being used or counted when the dish type antenna 80 encounters an external condition such as wind or opening of the sensor connection end. Also, the TV screen first selects the optimum position and channel, moves the cursor to rearrangement, and then adjusts using the channel up / down buttons 72 and 73, and presses the save button 76 to display all programmed channels. Rearrange

As such, the arrangement, position, number, and selection of the broadcasting satellites 102a-102f can be selected from the channel up / down buttons 72 and 73 and the volume up / down buttons 74 and 75 in the selection menu 104 displayed at the bottom of the TV screen. Next, the corresponding parameter can be selected and set. Then, the angle of the dish-type satellite antenna is received for reception from a broadcasting satellite other than the broadcasting satellite currently received by the user using the position display device of the present invention. When adjusting, the angle of the dish antenna 80 is stored in the numerical value in the flash memory 61 included in the control unit 60 to determine the angle of the dish antenna 80 based on the current. When the actuator 90 is operated by pressing the corresponding button 72-75 of the remote controller 70 to adjust the angle in the state, the motor 91 included in the actuator 90 generates a square wave signal to the controller 60. Output It becomes. At this time, the control unit 60 determines the position of the actuator 90 by counting the number of cycles of the square wave signal input from the motor 91, and the user operates the actuator 90 to some extent. The display is displayed on the TV screen (or display panel) 100 so as to easily recognize the image. When the angle of the dish-shaped antenna 80 is changed by driving the actuator 90, the controller 60 controls the tuner 10. The signal strength value (SINGAL QUALITY) and the text (eg 'OK') can be determined so that the user can know whether or not the signal is received whenever the angle is changed. In this case, the controller 60 controls the position of the dish-shaped antenna 80 through the square wave signal input from the motor 91 when the new satellite is to be stored. Adjust the angle The numerical value counted from the point of time determined based on the antenna angle at the time of initial installation of the whole is stored in the flash memory 61. Thus, when the user wants to receive a signal from the broadcasting satellite at this position again, the control unit 60 flashes the flash. After reading the numerical value stored in the memory 61 and sending a drive signal to the motor 91 to drive the actuator, the actuator 90 by the rotation of the motor 91 according to the drive 90 corresponds to the dish-shaped satellite antenna The angle is automatically adjusted to the position of the broadcasting satellite. When receiving a signal from another broadcasting satellite as described above, the position of another broadcasting satellite is stored in the flash memory 61 by driving in the same manner as described above. If you search for a broadcast satellite while adjusting the angle of the dish-type satellite antenna, The location of the castle can be retrieved, and the location can be stored in the flash memory 61, so that the user can conveniently receive satellite broadcast signals received from a plurality of broadcast satellites with one dish satellite antenna. When the dish type antenna is moved out of its original position due to external factors (for example, strong wind or impact), the position display device of the present invention readily recognizes whether the dish type antenna is moved through the TV screen. The present invention provides an advantage that a user can easily cope with this by displaying a graphic image so that the present invention can be sufficiently changed, converted, replaced, and replaced in consideration of the above-mentioned. It is not limited only.

As described above, the position display apparatus of the broadcast satellite of the present invention is provided with a dish antenna to receive broadcast signals from a plurality of broadcast satellites, and freely arranges, positions, numbers, and selections of the broadcast satellites on a TV screen. By simultaneously selecting the broadcast satellite and driving the actuator, the dish-type antenna automatically focuses on the position of the corresponding broadcast satellite so that the broadcast satellite can be freely selected and only the desired broadcast satellite can be selectively arranged. It is possible to increase the convenience of the user to listen to satellite broadcasts.

Claims (3)

A tuner 10 for retrieving and setting broadcast signals from a plurality of broadcast satellites; A control unit 60 storing data for a plurality of broadcast satellites and outputting signals for controlling the position of the broadcast satellites and driving of the dish antenna; A video unit 20 for visually displaying data on a broadcast satellite input from the control unit 60 on a TV screen; An audio unit 30 for outputting an audible sound according to the display of the broadcast satellite; A radio frequency modulator 40 for modulating a broadcast signal, A control unit 60 for calculating and controlling input and output signals; A power supply unit 50 for supplying driving power of a predetermined level; A remote controller 70 including a plurality of buttons for outputting a control signal for remotely setting, deleting, or changing the position of a broadcasting satellite; An actuator (90) for displaying the position of a broadcast satellite, characterized in that it comprises an actuator (90) for driving the dish-shaped antenna by the control signal of the control unit (60). The method of claim 1, wherein the remote control 70 Satellite button 71 for controlling and programming the position of the satellite, Channel up / down buttons (72, 73) for selecting parameters; Volume up / down buttons (74, 75) for adjusting the set parameters; And a storage button (76) for selecting a parameter and storing a set parameter. The method of claim 2, wherein the parameter is a satellite name parameter for storing the name of the satellite, A satellite number parameter for setting a number of satellites, A satellite storage parameter for storing the position and number of the satellites, A dish antenna position parameter indicating the position of the dish antenna, The lowest position parameter that sets the lowest limit position of the actuator, The highest position parameter that sets the highest limit position of the actuator, Delete position parameter to delete the lowest and highest limit position; An auto focus parameter that automatically sets the focus of the dish antenna, And a rearrangement parameter for rearranging the positions of the satellites displayed on the screen.