KR0169305B1 - Automatic conversion apparatus and controlling method for subpicture position in followed at the present time - Google Patents

Abstract

Provided are a sub-screen position automatic converting apparatus for automatically converting a sub-screen display position in relation to a current time in a television having a sub-screen display function and a control method thereof. The sub-screen position automatic conversion device includes a clock unit for providing information on the current event, a storage unit for storing a plurality of reference time information and a plurality of position information on the television screen corresponding to the reference time information, and a main screen of the television. And a control unit for converting the display position of the sub-screen to a display position corresponding to the reference time when the current event coincides with the reference time stored in the storage means. The method for controlling the sub-screen display position according to the present invention includes the steps of determining the current time, comparing the current time with a plurality of reference times stored in the storage means, and the current time is equal to any of the plurality of reference times. And converting the display position of the sub-screen into a display position corresponding to the reference time. According to the present invention, the display position of the sub-screen can be sequentially displayed at a plurality of positions of the television screen in relation to the current time.

Description

Sub-screen position automatic conversion device according to current time and control method

1 is a block diagram of a device according to the invention.

2 is a flow chart of the operation of the device according to the invention.

3 is a diagram showing an example of a sub-screen display according to the present invention.

* Explanation of symbols for main parts of drawing

1 antenna 2,3 tuner

4 voice processing unit 5 voice output unit

6 image processing unit 7 PIP processing unit

8: video IC 9: control unit

10: OSD processing unit 11: Blanking processing unit

12: timer section 13: key entry section

14: memory 15: cathode ray tube (CRT)

16: external signal input unit 17: KBPS decoder

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television having a sub picture function (PIP function), and more particularly, to a sub picture position automatic conversion device for a television for automatically converting a display position of a sub picture according to a current time, and a control method thereof.

BACKGROUND ART Televisions having sub-screen functions that allow two or more television broadcast channels to be viewed through one television screen have been developed.

The sub picture function displays a plurality of small sub pictures on the main screen so that two or more television channels can be simultaneously viewed. The main screen and the sub-screen may be displayed interchangeably, or the main screen and the sub-screen may be simultaneously viewed, and only the sub-screen may be switched to the main screen, or the sub-screen may be viewed. Therefore, according to the television having a sub-screen function, as a single television, two or more televisions play a role, so that families can select and watch the channels they want to watch on one television. Can be reduced. In addition, the channel currently being watched can be displayed as a sub-screen, and then the sub-screen can be switched to the main screen when the main program starts after all the commercials are finished.

The broadcast signal transmitted by the broadcasting station includes a KBPS signal. The KBPS signal is an abbreviation for Korer Booadcasting System and is a data signal for broadcast program information transmitted by being inserted into the 16th line of 21 lines of the broadcast signal vertical retrace period. This data includes broadcasting station standard time information, current program contents information, channel information, weekly program information, program start and end time information, etc., and viewers can use this information to make reservation recording and reservation viewing of a program easily. can do.

When a program of a television is reserved based on the program information of the KBPS, the television may be automatically turned on and off at a time according to the program information, but if the sub-screen is operated without a reservation, the viewer may release the sub-screen arbitrarily. The subscreen is displayed continuously until

An object of the present invention is to provide an automatic sub-screen position converting apparatus and a control method for automatically converting the position of a sub-screen according to the current time.

The sub-screen position automatic conversion device of the present invention for achieving the above object is a clock means for providing information on the current time, a plurality of reference time information and a plurality of position information on the television screen corresponding to the reference time information Storage means, PIP processing means for displaying a sub-screen in the main screen of the television, and display of the sub-screen at a display position corresponding to the reference time when the current time coincides with the reference time stored in the storage means. Control means for converting the position.

The sub-screen display position control method of the present invention for achieving the above object comprises the steps of determining the current time, comparing the current time with a plurality of reference times stored in the storage means, and the current time is the plurality of criteria. And converting the display position of the sub-screen to the display position corresponding to the reference time when any one of the times coincides.

According to the present invention having the above-described configuration, since the sub-screen is to change its display position at a predetermined time interval, the approximate current time can be known by the sub-screen display position, and the complementary screen viewing period is changed by changing the sub-screen display position. Can be recognized.

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

1 is a block diagram showing an internal circuit of a television embodying the present invention. In FIG. 1, a block diagram shows an internal circuit of a television. In the figure, 1 is an antenna for receiving a broadcast signal transmitted from a television broadcasting station, and 2 and 3 are a main screen and a sub-screen for tuning a specific channel among broadcast signals received through the antenna according to a control signal of a controller to be described later. 4 is a voice signal unit for extracting and processing only an audio signal from the composite video signal received through the tuners 2 and 3, and 5 is a speaker or earphone. The audio output unit SP for outputting to the jack is a speaker for converting an audio signal into an audible voice.

In addition, 6 is an image signal processing unit for extracting a video signal from the composite video signal received through the tuner (2.3) to perform synchronization separation, etc., 7 is an image processed by the image processing unit 6 under the control of the controller A PIP processing section for performing the main picture processing and the sub picture processing of the signal, 8, R (Red), G (Green), B (Blue) to display an image on the screen according to the video signal output from the PIP processing section (7) A video IC for generating a signal, and 15 is a cathode ray tube for displaying an image in accordance with R, G, and B signals from the video IC 8.

9 is a control unit consisting of a microcomputer for controlling the internal operation of the television, 10 is an on-screen display (OSD) processing unit for displaying the time, volume level, channel number, channel reservation status, etc. on the screen by text, 11 is Blanking processing unit for blanking the rough image of the portion where the sub-screen is to be displayed in the main screen, 12 is a timer unit for providing time information, 13 is a command for the viewer to control the mode selection and operation of the television The key input unit 14 for inputting includes a plurality of reference time information for changing the display position of the sub screen according to the present invention, for example, information required for the control of the control unit 9 and a plurality of sub screens corresponding to the reference time. It is a storage unit that stores display position information. 16 is an external signal pressure terminal for inputting a composite video signal from an external circuit such as a VTR or CDP, and 17 is a KBPS decoder for decoding a broadcast program information signal (KBPS) from a composite video signal received from a tuner and supplying it to a controller. .

When the television is turned on, the first tuner 2 and the second tuner 3 tune the channel under the control of the controller 9 and output the composite video signal of the broadcast signal tuned to the corresponding frequency using the audio processor 4 and the image processor. Output to (6). The voice signal processed by the voice processing unit 4 is converted to an audible voice through the speaker output unit 5 via the voice output unit 5, and transmitted to the outside.

The image processing unit 6 performs normal video signal processing such as synchronous separation of a composite video signal, analog / digital conversion, luminance and color difference signal separation, and the processed video signal PIP processing unit 7 The process is performed. The video signal subjected to the video processing of the main screen and the sub-screen is displayed as an image on the screen property of the cathode ray tube 15 via the video IC 8.

When the viewer adjusts the screen state or adjusts the volume, channel, etc. while watching television, the control unit OSD processing unit 10 is operated to generate an associated text signal, which is transmitted to a predetermined position on the screen through the video IC 8. Is displayed. When the viewer sets the sub-screen mode of the television, the control unit 9 controls the second tuner 3 to tune the corresponding channel, and instructs the blanking processing unit 11 to display the sub-screen on the currently displayed main screen. The blanking process is performed on the part to be divided. The PIP processing section 7 performs compression processing at a predetermined ratio according to the size to be displayed on the screen for the sub-screen, and the video IC 8 performs the compression processing on the main screen blanked by the blanking processing section 11. Display the screen. The KBPS decoder 17 decodes the KBPS signal contained in the 16th line of the 21 lines of the vertical retrace period of the composite video signal to start broadcasting program standard time information, current program contents information, channel information, weekly program information, and start of a program. And data regarding the end time information and the like to the control unit 9.

In the storage unit 14, a plurality of sub-screen display position information corresponding to the reference time and the reference time for changing the display position of the sub-screen are set. Such reference time and sub-screen display position information may be input by the producer in the television production stage or may be input by the viewer at his convenience using the input device (for example, the remote controller) 13.

When the television is set to the sub-screen position conversion mode according to the present invention, the control unit 9 constantly monitors the current time and compares the current time with a plurality of reference times stored in the storage unit 14. If the current time coincides with any one of the plurality of reference times, the controller 9 converts the display position of the sub-screen to the display position corresponding to the reference time. The current time information may be obtained from a timer unit 12 configured inside the television, or may be obtained from a KBPS signal transmitted by a broadcasting station together with a broadcast signal.

2 is a flowchart illustrating a process of controlling a display position of a sub screen according to the present invention. When the viewer sets the sub picture display mode using the key input device 13, the television simultaneously displays the main picture and the sub picture on one screen (step S1). In step S2, the control unit 9 determines whether the television is set to the sub-screen display position conversion mode according to the present invention. If the television is set to the sub-screen display position conversion mode, control proceeds to step S3, where the control section 9 stores the current time obtained from the timer section 12 or the KBPS signal inside the television in the storage section 14; It is determined whether the current time coincides with any one of the plurality of reference times by comparing with the plurality of reference times. If the current time does not coincide with any of the reference time, the complementary screen continues to be displayed at the current position. If the current time coincides with any reference time, the control unit 9 at step S4 the PIP processing unit 7 and the blanking processing unit. Command (11) to control the display position of the sub-screen to be moved to the display position corresponding to the reference time corresponding to the current time. As a result, the sub-screen is converted from the current display position to another display position.

3 shows an example in which the display position of the sub-screen according to the present invention is changed. In Fig. 3, 31 denotes an outer box of a television, 32 and 32 'denote a speaker installation position of a television, 33 denotes an entire display screen of a cathode ray tube, and 34 denotes a display position of a sub-screen. Although this example shows the case where the display is performed at four positions of the subscreen, the subscreen display position is not limited to this, but may be displayed at more positions. As shown in this example, when four sub-screen display positions are capped, the display time in one place can be set to three hours. For example, 0 to 3 can be displayed at A, 3 to 6 at B, 6 to 9 at C, and 9 to 12 SMS D (after hours Same time as above). When six sub-screen display positions are selected, the display time in one place can be set at 2 hour intervals. In addition, it is not necessary to set the subscreen display time at the same time interval in each subscreen display position, and the display time interval may be set differently at each display position according to the time zone where the subscreen is mainly viewed.

According to the present invention described above, since the display position of the sub-screen in the main screen is converted in relation to the current time, the approximate current time can be recognized by the current display position of the sub-screen.

Claims (6)

A sub picture position automatic conversion device for automatically converting a display position of a sub screen in a television having a screen display function, comprising: time information providing means for providing information on a current time, a plurality of reference time information, and reference time information thereof; Storage means for storing a plurality of positional information on the television screen corresponding to the PIP, PIP processing means for displaying a sub-screen in the television main screen, and the reference time when the current time coincides with the reference time stored in the storage means. And control means for converting the display position of the sub-screen to the display position corresponding to the sub-screen automatic conversion device. The sub-screen position automatic conversion device according to claim 1, wherein the time information providing means is a timer circuit provided inside the television. The apparatus of claim 1, wherein the time information providing means is a KBPS signal transmitted from a broadcasting station. A sub-screen position control method for automatically converting a display position of a sub-screen on a television having a sub-screen display function, the method comprising: determining a current time, comparing a current time with a plurality of stored reference times; And converting a display position of the sub-screen into a display position corresponding to the reference time when a current time coincides with any one of the plurality of reference times. The apparatus of claim 4, wherein the current time is obtained from a timer of a television internal circuit. The apparatus of claim 4, wherein the current time is obtained from a KBPS signal transmitted from a broadcasting station.