KR100565417B1 - System and method for remote calibration in internet tv set - Google Patents

Abstract

The present invention is directed to providing a remote calibration system and method for an internet television set capable of remote calibration through two-way communication using an internet web browser. The remote calibration control method in the Internet television set of the present invention comprises the steps of: connecting at least one user terminal and an expert terminal to a web site that operates a calibration remote control, respectively; Requesting calibration at the website at the user terminal; The expert terminal side selects one specific user side terminal, and performs calibration using a voice conversation or a text chat while playing or watching a predetermined video program on the user terminal side.

Internet TV, Calibration, Remote Control, Expert Terminal, Network Interface

Description

System and Method for Remote Calibration in Internet TV Set

1 is a block diagram of a television set for explaining a calibration procedure in a conventional television set.

2 is a block diagram of a remote calibration control system in an Internet television set according to the present invention.

3 is a block diagram of a network interface unit shown in FIG. 2;

4 is a control flowchart for explaining a remote calibration control procedure in the Internet television set according to the present invention.

* Description of the symbols for the main parts of the drawings *

31: Tuner part 32: A / V switch

33: video decoder 34: A / D converter

35: image processor 36: microprocessor

37: memory unit 38: OSD generation unit

39: display device 50: Internet

60: expert terminal

The present invention relates to an Internet television set, and more particularly, to remote calibration control in an Internet television set suitable for remotely controlling a calibration so as to maximize the viewing quality of a specific video program by optimizing the quality of an input video signal or an audio signal. System and method.

In recent years, due to the development of multi-channel reception technology using satellites and the influence of the widespread video industry, viewing a variety of professional video programs transmitted from broadcasting stations or playing on video devices on TV sets has become a more enjoyable experience. The development of technology to maximize is increasing.

One of these technologies that can be easily implemented is a calibration technology, which is used to finely adjust the image quality of an input video signal in consideration of the nature or genre of the video program. These calibrations can be adjusted in the screen settings of the TV set adjustment menu, which is mostly divided into automatic mode and expert mode. Auto mode is a mode in which the input video signal is controlled by the average adjustment value set in the factory and displayed on the screen. Expert mode is the image quality of the input video signal that is best suited to the characteristics or genre of a specific video program by an image expert. It is used to adjust the details.

1 is a block diagram for explaining a calibration procedure in a conventional television set. Referring to FIG. 1, a conventional television set includes: a tuner unit 11 for receiving a composite video broadcast signal (CVBS) transmitted from a broadcasting station and receiving a video signal included in a preset channel; A luminance signal Y included in the video signal by receiving the composite video broadcasting signal output from the tuner unit 11 or an audio / video signal (AV) transmitted from a separate video player (not shown). And an AV switch 12 for separating and outputting the color signal C; A video decoder 13 for decoding color information included in the luminance signal and the color signal output from the AV switch 12 in a predetermined manner; An analog / digital converter 14 for converting an analog signal output from the video decoder 13 into a digital signal; An image processing unit 15 for receiving an image signal output from the analog-to-digital converter 14 and interfacing the image signal to be displayed on a current television set; A remote controller 16 for controlling the television set wirelessly; A key operation unit 17 for controlling the television set by the viewer's manual operation; A microprocessor 18 for controlling calibration settings and displaying operation of a broadcast signal according to a user's control through the remote controller 16 or the key manipulation unit 17; A memory unit 19 for storing or reading calibration environment information under the control of the microprocessor 18; An OSD generator 20 for transmitting OSD (On Screen Display) information to the image processor 15 according to a request of the user through the microprocessor 18; The display device 21 is configured to display an image signal output from the image processor 15 on a predetermined screen.

A procedure for performing calibration in a conventional television set configured as described above is as follows.

First, if a particular customer prefers a specific genre of video programs, such as sports or action movies, apply for calibration to a specialist using a telephone or other means of communication.

Then, the expert visits the home of the customer who applied for calibration, displays the screen setting column on the screen of the TV set using the keys of the remote controller 16 or the key control unit 17, and then executes the calibration by selectively operating the keys. do.

At this time, the expert can adjust the color, brightness component, etc. included in the video signal in detail, which will be limited according to the type of the component preset by the manufacturer.

If the customer is satisfied with the current calibration adjusted by the expert, the expert stores the currently set calibration information in the memory unit 19 using the remote controller 16 or the key control unit 17.

Therefore, when a customer watches a desired video program of a specific field, the user sets the screen setting menu on the screen by using the remote controller 16 or the key control unit 17, and resets to the expert mode among the automatic mode and the expert mode.

At this time, the microprocessor 18 reads the calibration information stored in the memory unit 19 and transmits the calibration information to the image processor 15.

Accordingly, the image processor 15 controls the image quality of the input image program according to the stored calibration information and displays it on the screen of the display apparatus 21.

However, in a TV set provided with such a conventional calibration function, a quality expert or an A / S engineer visits the place where the TV set is located and performs manual calibration in order for the customer to set up the calibration or readjust the conditions. Had to do it.

In this way, the customer may not be able to receive an immediate calibration service, which may be very inconvenient, and if the time is short such as a weekend or a holiday, the calibration service may not be received in time.

In addition, from the standpoint of producers and sellers of television sets, it will also be burdensome to secure the manpower and costs for operating the visiting service.

SUMMARY OF THE INVENTION An object of the present invention is to provide a remote calibration system and method for an internet television set capable of remote calibration through two-way communication using an internet web browser.

The remote calibration system of the Internet television set of the present invention for achieving the above object comprises: an Internet television set; It is composed of an expert terminal connected to the Internet TV set through the Internet to enable two-way communication and data transmission and reception. When the Internet TV set requests calibration through the Internet, a predetermined video program is displayed on the screen on the Internet TV set. Characterized in that the calibration is performed remotely with the expert terminal side.

In addition, a remote calibration method for an Internet television set may include: connecting at least one Internet television set side and an expert terminal to a web site operating a calibration remote execution; Requesting calibration on the website by at least one Internet TV set side; And selecting one particular Internet television set side on the expert terminal side, and performing calibration through bidirectional communication in a state of playing or watching a predetermined video program on the Internet television set side.

Hereinafter, with reference to the accompanying drawings will be described the configuration and operation of the remote calibration control system in the Internet television set according to the present invention.

2 is a block diagram of a remote calibration control system in an Internet television set according to the present invention.

In the Internet television set of the present invention, a remote calibration control system includes: an Internet television set; The Internet 50; And an expert terminal 60 connected to the Internet television set to enable two-way communication and data transmission and reception.

Here, as shown in FIG. 2, the Internet TV set receives a composite video broadcast signal (CVBS) transmitted from a broadcasting station and receives a video signal included in a preset channel. Wow; A luminance signal Y included in the video signal by receiving a composite video broadcasting signal output from the tuner unit 31 or an audio / video signal (AV) transmitted from a separate video player (not shown). An AV switch 32 for separating and outputting the color signal C; A video decoder 33 for decoding color information included in the luminance signal and the color signal output from the AV switch 32 by the NTSC method; An analog / digital converter 34 for converting an analog signal output from the video decoder 33 into a digital signal; An image processor 35 for receiving an image signal output from the analog-to-digital converter 34 and performing interface processing to be displayed on the display device 39; A microprocessor (36) for controlling calibration according to a user's control and for controlling a display operation of an image signal; A memory unit 37 for storing or reading calibration information under the control of the microprocessor 36; An OSD generator 38 which transmits OSD (On Screen Display) information to the image processor 35 according to a user's request through the microprocessor 36; A display device 39 for displaying an image program output from the image processor 35 on a screen; A network that receives calibration information received through the Internet 50 under the control of the microprocessor 36, and transmits a control command input by the user to the called party through the Internet 50 under the control of the microprocessor 36. It is composed of an interface unit 40.

Here, although not shown in the figure, a remote control for controlling the video display wirelessly; At the same time, a key operation unit for controlling the video display device by the viewer's manual operation is also provided.

In addition, the network interface unit 40 includes a VGA processor 41 for transmitting the image signal received through the Internet 50 and a corresponding gateway or router to the image processor 35, as shown in FIG. A controller 42 for controlling an internet connection or disconnection operation under the control of the microprocessor 36; A main memory 43 for storing predetermined data generated during bidirectional communication with the expert terminal 60 or performing a calculation function under the control of the controller 42; A ROM 44 which stores one or more application programs for executing Internet access under the control of the controller 42 and reads them when necessary; And a flash memory 45 for storing data for updating an application program, serving as a cache memory of a web browser, or providing a two-way chat window. Here, although the modem 46 shown in FIG. 3 is displayed as internal type, external type is also possible, of course.

The following describes the remote calibration control procedure in the Internet television set according to the present invention with reference to the accompanying drawings.

First, the operator or expert of the web site providing the remote calibration service maintains the web site in a normal state, and accesses the web site using the expert terminal 60 (S1).

In addition, a user who wants to apply for a calibration also accesses a web site that provides a calibration service using a web browser of an Internet television set provided with an Internet function (S2). That is, in FIG. 2, a user inputs a web site address by using a touch pad function provided on a screen of a remote control, a key control unit or a television set, or automatically moves to a pre-stored web site address. Select the key to execute to connect to the web site that provides the calibration service.

At this time, the web site providing the calibration service performs user authentication (S3). For example, a user enters a unique identifier number (ID) for his or her Internet television set, enters an IP address, customer basic information, and other information required to connect or operate a professional terminal. Receive.

Subsequently, the user applies for calibration to the web site through the web browser (S4).

On the other hand, the operator of the expert terminal 60 checks the list of customers who applied for calibration, and if more than one user is waiting, the user selects the users in the order of the fastest received time (S5). In addition, the operating system of the website may utilize the application in the system that can be automatically assigned a plurality of pending calibration applicants when there are a plurality of expert terminals.

At this time, the applicant performs the calibration of the currently displayed video program using a voice conversation or a text chat with the operator of the expert terminal 60 while displaying the desired genre or similar video program on the display device 39 (S6). ).

In this case, it is preferable that the components of the calibration include contrast, brightness, sharpness, color density, color, and at least one sound frequency band.

If the applicant is satisfied with the currently calibrated calibration, the operator of the expert terminal transmits the calibrated calibration information and the stored storage command to the Internet television set through the Internet (S7).

At this time, the network interface 40 of the Internet television transmits the calibration information and its storage instruction to the microprocessor 36.

The microprocessor 36 stores the calibration information received according to the calibration storage command in the memory unit 37 (S8).

Therefore, when the user brings up the screen adjustment menu on the screen of the television set through an operation function provided on the screen of the remote control, key operation unit, or the display device 39 of the Internet television, and resets to the expert mode among the automatic mode and the expert mode, In operation S9, the video and / or audio calibration of the video program to be watched is adjusted.

In addition, when the user applies for calibration as in step S4, calibration may be performed in real time, but a calibration reservation application may be performed so that the calibration is automatically executed only during a predetermined time period.

At this time, the user additionally needs to input the Internet TV set specification information of the user, the type of the preferred video program, and the date and time for the calibration reservation.

Therefore, the expert terminal 60 transmits the calibration information, the reservation application information, and the objection storage command to the Internet TV set after setting the calibration with the applicant, i.e., satisfied with the currently adjusted calibration.

Subsequently, the microprocessor 36 of the Internet TV stores calibration information and reservation request information in the memory unit 37, counts the reservation date and time, and adjusts the video program input to the image processing unit 35 at the corresponding time. Apply the calibration and display it on the screen of the display device.

 According to the remote calibration control system and method in the television set according to the present invention as described above, two-way communication using the Internet network is required without the need for a quality expert or an A / S engineer to visit the customer to set up or reset the calibration. Can be controlled remotely.

Thus, the customer can adjust the calibration environment in real time at a convenient time, and the producer or seller can greatly reduce the labor field and greatly reduce the cost of operating such a service.

In addition, it is possible to conveniently watch the video program by applying a preset calibration only during the reservation time in accordance with the reservation reserved by the customer. Therefore, the user can normally watch the video program in the automatic mode, and watch the video program in the expert mode only when the video program of his or her favorite taste is broadcast, thereby providing a better image quality and sound quality, thereby maximizing the viewing experience.

Claims (8)

With internet tv set: It consists of a professional terminal connected to the Internet TV set and the two-way communication and data transmission and reception through the Internet, When the Internet TV set requests calibration through the Internet, the Internet TV set is remotely calibrated with the expert terminal side while displaying a predetermined video program on the screen. Calibration system. The expert terminal side transmits and stores the currently calibrated calibration information and its storage command to the Internet television side through the Internet when satisfied with the currently calibrated calibration on the Internet television side. Remote calibration system of Internet TV set. The Internet TV set according to claim 1, wherein the component of the calibration information is an optional combination of contrast, brightness, sharpness, color density, color, and at least one acoustic frequency band element included in the input video signal. Remote calibration system. At least one internet television set side and a professional terminal respectively connecting to a web site running calibration remote execution; Requesting calibration on the website by at least one Internet TV set side; Selecting one particular Internet TV set on the expert terminal side, and performing calibration through bidirectional communication in a state of playing or watching a predetermined video program on the Internet TV set side. Remote calibration method of the set. 5. The remote control of the Internet TV set according to claim 4, wherein when there are a plurality of Internet TV sets and expert terminals, the operating system of the website is automatically assigned to the applied Internet TV set side according to the priority of application. Calibration method. 5. The terminal of claim 4, wherein the expert terminal transmits the currently calibrated calibration information and its storage command to the internet television via the Internet to store the calibrated calibration. Remote calibration method of Internet TV set. 5. The method of claim 4, further comprising: in the calibration request step, requesting a reservation to automatically execute calibration only for a predetermined time of a predetermined date. 8. The remote calibration method for an Internet TV set according to claim 7, wherein the Internet TV set further inputs Internet TV set specification information and type information of a preferred video program when the calibration reservation application is made.

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