KR19990042205A - TV hold function setting / release device and method - Google Patents

Abstract

The device / method of the hold function setting / release method of the TV is to set the hold function by the hold function key input, store the hold release password in the memory unit and release the set hold function. By notifying the user, and comparing the previously released password with the password stored in the memory, and if the password is the same, the hold function is released. Therefore, by limiting the release of the set hold function can limit the viewing time of children, etc. In addition, it is possible to prevent the problem of switching the channel or adjusting the intensity of the volume due to an incorrect operation key input, and limiting the viewing operation of the TV, thereby preventing illegally stealing.

Description

TV hold function setting / release device and method

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to TV (hereinafter, abbreviated as TV), and more particularly, to an apparatus and method for setting / releasing hold function of a TV for improving viewing efficiency of a TV.

In general, a TV is a device that displays a broadcast program received through an antenna and is controlled according to a user's channel switching on a monitor screen and outputs a corresponding audio signal through a speaker.

As shown in FIG. 1, the TV according to the related art has a tuner 10 for tuning a broadcast signal received through an antenna ANT to a set channel and a broadcast tuned in the tuner 10. A detector 11 for demodulating a signal, an audio signal processor 12 for signal processing to output an audio signal demodulated by the detector 11, and a signal processor for image output of the demodulated video signal The video signal processor 13, the first amplifier 15 for amplifying the signal-processed audio signal to a predetermined level and output through the speaker 14, and the signal-processed video signal to a predetermined level to monitor ( And a second amplifier 17 for outputting the same through 16).

Referring to the operation of the TV according to the prior art configured as described above is as follows.

First, the tuner 10 tunes a broadcast signal input through the antenna ANT to a set channel, and the detector 11 demodulates the tuned broadcast signal.

The audio signal processor 12 performs audio processing on the demodulated audio signal so as to be outputted, and the video signal processor 13 performs image processing on the demodulated video signal and outputs the demodulated video signal.

Subsequently, the first amplifier 15 amplifies the audio signal at a predetermined level to output the audio signal through the speaker 14, and the second amplifier 17 may monitor the image processed video signal on the monitor 16. Amplify the output to a certain level for display.

The TV according to the related art configured and operated as described above may adjust a channel change or the intensity of a volume using a function key or a remote controller provided in the TV main body.

Since the TV according to the related art can perform on / off and channel change or other operations of the TV by an operation key or a remote controller configured in the main body, the operation keys of the remote control are inputted according to children's mischief, and accordingly, There is a problem that the channel being watched is switched or the intensity of the volume is suddenly changed.

In addition, the viewing of the TV is not limited, there is a problem that can not limit the child to watch harmful programs.

Accordingly, the present invention has been made in order to solve the problems of the prior art, and a hold function setting for limiting viewing of a TV and a hold function setting / release device for a TV for releasing the set hold function by a password. The purpose is to provide.

1 is a block diagram of a TV according to the prior art;

2 is a block diagram of a TV according to the present invention;

3 is a flowchart for setting and releasing hold function of a TV according to the present invention.

♣ Explanation of symbols for main part of drawing ♣

36: key input section 37: memory section

38: control unit 39: OSD character generating unit

40: mixer

A hold function setting and releasing apparatus of a TV according to the present invention is a control apparatus of a TV having a video signal processing unit for processing a video signal of a broadcast signal, comprising: a key input unit for inputting a setting and releasing command of a TV operation restriction function; A memory unit for storing a predetermined password for performing the release command, an OSD character generator for generating a predetermined password input request character when the release command is input through the key input unit, an image processed video signal, and a generated character It is characterized in that it comprises a display unit for displaying at the same time, and a control unit for controlling the operation restriction function maintenance or release of the operation restriction in accordance with the comparison of the password and the set password according to the password input request.

In the method for setting and releasing hold function of a TV according to the present invention, the control method of a TV having a hold function key includes the steps of: setting a hold function releasing password set by a hold function key; and holding according to an input of a hold function key. Performing a mode; detecting whether a hold release signal is input according to a re-entry of a hold function key during a hold mode; requesting a hold release password input according to an input to a hold release signal; It is characterized in that it comprises the step of performing the release command according to the comparison of the password and the set password.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the apparatus and method for setting / canceling the hold function of the TV according to the present invention will be described in detail.

2 is a block diagram showing the configuration of a TV according to the present invention, Figure 3 is a flow chart for performing the setting and release of the hold function of the TV according to the present invention.

Referring to FIG. 2, a configuration thereof includes a tuner 30 for tuning a broadcast signal received through an antenna ANT to a set channel, a detector 31 for demodulating the tuned broadcast signal, and demodulation. An audio signal processor 32 for performing audio processing to output an audio signal among the broadcast signals, a first amplifier 34 for amplifying the audio signal and outputting the audio signal through the speaker 33, and a detector 31 A video signal processor (35) for image processing to output a demodulated broadcast signal, a key input unit (36) having an input key for an operation command for channel selection or a hold function selection, and a schedule for releasing a hold function. A memory unit 37 for pre-storing the password of the password and outputting the same by a control signal, a controller 38 for outputting a control signal for controlling each unit according to an operation command input through the key input unit 36, To the control signal of the controller 38 OSD character generator 39 for generating other constant OSD characters, mixer 40 for synthesizing the generated OSD characters and video data of video signal processor 35, and video signals and OSD characters And a second amplifier 42 which amplifies the signal to a predetermined level and outputs it to the monitor 41.

Referring to the operation of the TV according to the present invention configured and operated as follows.

The tuner 30 tunes the broadcast signal received through the antenna ANT to match the set channel, and demodulates the tuned broadcast signal in the detector 31.

The audio signal processor 32 performs audio processing on the demodulated broadcast signal and outputs the audio signal. The first amplifier 34 amplifies and outputs the audio signal to a predetermined level for output through the speaker 33. The video signal processor Reference numeral 35 processes a video signal of the demodulated broadcast signal and outputs it.

On the other hand, when the user inputs a selection command key of the key input unit 36 to select the hold function, which is one of the functions of the TV, the controller 38 outputs a control signal according to the OSD character generator 39. Generates OSD text.

Subsequently, the mixer 40 synthesizes and outputs the processed video signal and the generated OSD text. The mixer 40 amplifies the synthesized signal to a predetermined level by the second amplifier 42 and displays the same simultaneously through the monitor 41. do.

In this case, when the hold function is to be released, the memory unit 37 stores the password accordingly and outputs it according to the control signal of the controller 38.

In addition, the control unit 38 outputs a control signal for controlling each unit such as a channel selection operation of the tuner 30 as well as selecting a hold function.

The holding function setting and releasing method of the TV according to the present invention configured and operated as described above will be described in more detail with reference to FIG. 3.

First, in a state in which the TV is turned on (S100), a predetermined password for releasing a hold function is set and stored in the memory unit 37 (S101).

Subsequently, while watching TV, the user continuously detects whether the user inputs the hold signal by the hold function key of the key input unit 36 (S102).

When the hold signal is input in the above step S102, the hold mode operation is performed (S103).

In other words, the hold mode is a function mode for controlling the TV not to perform operation commands according to various operation keys included in the remote control or the TV other than the hold function keys.

While performing the hold function according to the hold mode, it is detected whether a hold release signal is input by the hold function key input of the key input unit (S104).

When the hold release signal is input, the controller 38 outputs a control signal, and the OSD character generator generates an OSD character for inputting a hold release command according to the control signal and simultaneously monitors the video signal currently being viewed. 41) is displayed on the screen to request a password input (S106).

On the other hand, if the hold release signal is not input, it is determined that the hold function key is input due to a malfunction of the user, thereby maintaining the current hold mode state continuously (S105).

Then, when the user inputs the hold function release password by the request signal displayed on the monitor 41, the input password is compared with the release password initially set in step S101 (S107).

If the input password and the set password are the same, the user who set the hold function and the user who input the release command are determined to be the same and release the hold mode (S108). It is determined that the set user and the current user are not the same to continuously hold the hold mode function (S105).

Subsequently, when the hold mode is released, the TV operation is performed according to the input of the operation key provided by the remote controller or the TV of the key input unit 36 (S109).

This process is repeatedly performed to set and release the hold function of the TV.

Therefore, the apparatus and method for setting / releasing a hold function of a TV according to the present invention sets a hold function by inputting a hold function key, and stores a hold release password in the memory unit and then releases the set hold function. The OSD is notified to the user by the OSD text, and the unlock function is compared with the password that is stored in the memory to cancel the hold function.

The apparatus and method for setting / releasing a hold function of a TV according to the present invention sets a hold function by inputting a hold function key, and if a hold release password is stored in the memory unit beforehand, and the release function is to be released, the hold release password is inputted. OSD is notified to the user by means of OSD characters, and accordingly the unlock password inputted and the password stored in the memory are compared to cancel the hold function.

Therefore, the apparatus and method for setting / canceling the hold function of the TV according to the present invention performs the limited release of the set hold function, thereby limiting the viewing time of children.

In addition, there is an effect that can prevent the problem that the channel is switched or the intensity of the volume is adjusted by the wrong operation key input.

In addition, since the viewing operation of the TV is restricted, it is also possible to prevent illegally stealing of another person.

Claims (1)

A control apparatus of a TV having a video signal processing unit for processing a video signal of a broadcast signal, A key input unit for inputting an operation limit function setting and releasing command of the TV; A memory unit which pre-stores a predetermined password for performing the release command; An OSD character generator which generates a predetermined password input request character when a release command is input through the key input unit; A display unit which simultaneously displays the image processed video signal and the generated text; And a control unit for controlling the operation limit function maintenance or the operation limit release according to the comparison of the password and the set password according to the password input request.