KR0141868B1 - On screen display apparatus of wide video cassette recorder - Google Patents

Abstract

The present invention relates to a 0. S. D (On Scren Display) device of a 9:16 wide VCR (wide video cassette recorder), wherein an aspect ratio of 9:16 is transmitted to an aspect ratio 3: 4 monitor (33). A wide VCR having said 3: 4 monitor (33) divided into a no-signal section (2a, 2b) with no screen as a display and a valid screen section (2c) displaying a 9:16 screen; A blank unit 35 for generating the pseudo horizontal synchronizing signal and the pseudo vertical synchronizing signal of the 3: 4 monitor 33 and switching the no signal sections 2a and 2b to a blanking level, and the no signal section 2a, 2b), the blank unit 35 causes the output to be input to the 3: 4 monitor 33, and in the effective screen section 2c, the 9:16 video signal is input to the 3: 4 monitor 33. Switching unit 36 for switching so that the OS D unit 37 for displaying the preset period of the no-signal section 2c in subtitles, and the no-signal section 2a, 2b of the 3: 4 monitor 33. And each of the sections 2a, 2b, and 2c detected by the valid screen section detection unit 38 and the effective screen section detection unit 38 for detecting the effective screen section 2c and controlling the operation of the switching unit 36. According to the present invention, the OS D unit 37 is characterized by including a control unit 39 for controlling whether the OS D.

Description

Wide V's OSD Device

1 is a view showing an output screen state according to the prior art O. S. D,

2 is a detailed block diagram showing O. S. D of the prior art wide VCR,

3 is a detailed configuration diagram showing an embodiment of the present invention,

4 is a diagram showing an output screen state according to an embodiment of the present invention.

* Explanation of symbols for main parts of the drawings

31: video signal processor 32: 16: 9 monitor

33: 3: 4 Monitor 34,37: O. Part S. D

35: blank part 36: switching part

38: valid screen section detection unit 39: control unit

The present invention relates to a 0. S. D (On Scren Display) device of a 9:16 wide VCR (wide video cassette recorder), particularly when a 9:16 video signal is displayed on a 3: 4 monitor. The present invention relates to an OS D device of a wide VCR for performing OS D in a non-signal section of a monitor.

A typical VCR's monitor has an aspect ratio of 3: 4 and a video signal corresponding to a 3: 4 aspect ratio is recorded and played back in a typical VCR, whereas a monitor in a ward VCR has a 9:16 aspect ratio and 9 in a wide VCR. A video signal rising to an aspect ratio of: 16 is recorded and reproduced.

On the other hand, when a 9:16 video signal of a wide VCR is reproduced and displayed on a 3: 4 monitor, as shown in FIG. 1, the upper horizontal section 1a and the lower horizontal section 1b of the 3: 4 monitor are displayed as a no-signal section. To display a 9:16 video signal.

That is, a monitor with an aspect ratio of 3: 4, that is, a 12:16 monitor with an aspect ratio of 12:16, so if you display a screen with an aspect ratio of 9:16 on a monitor with an aspect ratio of 1:16, you will see a 9:16 aspect and 12:16 monitor. The ratio of the ends of is equal to 9:12. Therefore, the upper horizontal section of the 3: 4 monitor, the middle horizontal section and the lower horizontal section are divided into 1.5: 9: 1.5, respectively, so that the 9:16 screen is divided into the middle horizontal section of the 9:16 aspect ratio of the 3: 4 monitor (1c). ) Is displayed on the effective screen group 1c so that the upper horizontal section 1a of 1.5: 16 and the lower horizontal section 1b of 1.5: 16 of the 3: 4 monitor become the no-signal section.

As described above, a conventional OS D device for captioning timer functions such as 9:16 clock setting reservation, reservation confirmation, reservation cancellation, etc. of the wide VCR is shown in FIG. A video signal processor 21 for processing a video signal of a video signal; a 9:16 monitor 22 for displaying a 9:16 video signal processed by the video signal processor 21 on a 9:16 screen; 9:16 screen that is displayed on a 3: 4 monitor 23, 9:16 monitor 22, and 3: 4 monitor 23, respectively, for displaying a 9:16 video signal processed on a 9:16 screen. Control unit 25, 3: 4 monitor (23) for controlling whether or not the OS D function of the OS D unit 24 for displaying the timer function such as clock setting reservation, reservation confirmation, reservation cancellation, etc. in subtitles in the preset period. A blank portion 26 for switching the no-signal sections 1a and 1b of the < RTI ID = 0.0 > ), The output of the blank section 26 is output to the 3: 4 monitor 23 in the no-signal sections 1a and 1b, and the output of the OS D section 24 is 3: 4 in the effective screen section 1c. When displaying the 9:16 screen on the monitor 23, the no-signal sections 1a and 1b and the effective screen section 1c of the 3: 4 monitor 23 are detected and the 9:16 screen is displayed on the effective screen section 1c. An effective screen section detection unit 28 that controls the switching unit 27 to display the screen performs the following operation.

First, the video signal processor 21 processes a video signal of 9:16 and outputs the video signal to the OS D unit 24. The 9:16 video signal is reproduced and input from a 9:16 VCR data. It can also be input from an external device via the 9:16 VCR's external connector.

The OS D unit 24 has a 9:16 screen in which a 9:16 video signal subjected to image new hole processing under the control of the control unit 25 is displayed on the 9:16 monitor 22 and the 3: 4 monitor 23, respectively. Subtitles include timer functions such as clock setting reservation, reservation confirmation, and reservation cancellation in the preset period.

Thus, the 9:16 monitor 22 displays a 9:16 screen with an O. S. D. display.

On the other hand, the blank part 26 generates the pseudo horizontal synchronizing signal and the pseudo vertical synchronizing signal of the 3: 4 monitor 23, while blanking levers the no-signal sections 1a and 1b of the 3: 4 monitor 23. Outputs a signal to represent Therefore, as described above, the effective screen section detection unit 28 divides the upper horizontal section 1a of the 3: 4 monitor, the middle weight horizontal section 1b, and the lower horizontal section 1c into 1.5: 9: 1.5. The no-signal sections 1a and 1b are used to display the effective screen section 1c so that the 9:16 screen can be displayed in the effective screen section 1c, which is the middle horizontal section 1c of the 9:16 aspect ratio of the 3: 4 monitor. The switching unit 27 is controlled to detect and output the blank signal of the blank unit 26 to the 3: 4 monitor 23 in the no-signal sections 1a and 1b, and the OS D unit 24 in the effective screen section. The switching unit 27 is controlled to output the 9:16 screen to the 3: 4 monitor 23.

However, in the conventional wide VCR as shown in FIG. 1, a 9:16 screen is displayed on a 3: 4 monitor, and an OS D section is set in the 9:16 screen to reserve a clock setting, confirm a reservation, and cancel a reservation. By subscribing a timer function such as a subtitle, there is a problem that the real screen is obstructed or obstructed by the subtitle.

Therefore, the present invention displays a 9:16 screen of a VCR on a 3: 4 monitor, but enables subtitles to be displayed in the non-blank section of the 3: 4 monitor when OS D is performed, thereby preventing the real screen from being obscured by the subtitles. The purpose is to provide a wide VCR OS D device.

According to the present invention, in order to achieve the above object, the image signal having an aspect ratio of 9:16 is displayed on a monitor having an aspect ratio of 3: 4. In a wide VCR having a: 4 monitor, a blank unit for switching the 3: 4 no-signal section to a blanking lever, and in the no-signal section, an output of the blank part is input to the 3: 4 monitor, and in the effective screen section And a switching unit (9:16) for switching the video signal to be input to the 3: 4 monitor. S. D, a valid surface section detection section for detecting the no-signal section and the effective screen section of the 3: 4 monitor to control the operation of the switching section, the OS D section according to each section detected by the effective screen section detection section It is characterized by comprising a control unit for controlling whether or not D.

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

3 is a detailed configuration diagram for carrying out the present invention, and FIG. 4 is a view showing an output screen state according to an embodiment of the present invention. The video signal processor 31 performs image signal processing on a video signal of 9:16, 9:16 monitor 32 for displaying a 9:16 video signal processed by the video signal processor 31 on a 9:16 screen, and displaying a 9:16 video signal processed on a 9:16 lower surface OS to display timer functions such as clock setting reservation, reservation confirmation, reservation cancellation, etc. in the preset section of the 9:16 screen displayed on 3: 4 monitor 33 and 9:16 monitor 32 Blank for generating the pseudo vertical synchronizing signal of the pseudo horizontal synchronizing signal of the D section 34 and the 3: 4 monitor 33 and switching the no signal sections 2a and 2b of the 3: 4 monitor 33 to the blanking lever. The blank section 35 in the signal-free sections 2a and 2b of the section 35 and 3: 4 monitor 33. Output of the video signal processor 31 is input to the 3: 4 monitor 33 in the effective screen section 2c of the 3: 4 monitor 33. The OS D unit 37 for displaying subtitles of timer functions such as clock setting reservation, reservation confirmation, reservation cancellation, etc. in the non-signal sections 2a and 2b of the switching unit 36 and 3: 4 monitor 33 for switching. ), When displaying a 9:16 screen on the 3: 4 monitor 33, detects the no-signal sections 2a and 2b and the valid screen section 2c of the 3: 4 monitor 33 to display the valid screen section 2c. In this case, the output of the image signal processing unit 31 is input to the OS D unit 37, and in the no signal section 2c of the 3: 4 monitor 33, the output of the blank unit 35 is the OS D unit 37. The valid screen section detection section 38, which controls the switching unit 36 to be input to the control unit 36, and whether the OS D function of the OS D section 34 is controlled, and if it is effective, the section detection section 38 controls the no-signal section 2a, 2b) is detected The control unit 39 controls the O. S. D unit 37 so that the caption appears in the no-signal section 2c by the surface O. S. D unit 37.

The operation description of the embodiment of the present invention configured as described above is as follows.

First, the video signal processor 31 processes a 9:16 video signal and outputs the video signal. The 9:16 video signal may be reproduced and input from a 9:16 VCR tape or may be input from an external device. It can also be input via the 9:16 VCR's external connection.

The OS D unit 34 has a 9:16 screen displayed on the 9:16 monitor 32 under the control of the control unit 39, and a timer function such as clock setting reservation, reservation confirmation, reservation cancellation, etc. The 9:16 video signal subtitle signal inputted so as to appear as OS D is output to the 9:16 monitor 32.

Accordingly, the 9:16 monitor 32 displays a screen including subtitles in a predetermined section of the 9:16 screen.

If valid, the section detector 38 detects the no-signal sections 2a and 2b of the 3: 4 monitor 33 and the valid bottom section 2c, respectively, which are generated when a 9:16 screen is displayed on the monitor 32. In this case, the output of the image signal processing unit 31 is input to the OS D unit 37 in the interval 2c, and the blank unit 35 in the non-signal intervals 2a and 2b of the 3: 4 monitor 33. The control unit 36 controls the switching unit 36 so that the output of the input unit is input to the OS D unit 37, while providing the control unit 39 with information on the effective screen section 2c and the no-signal sections 2a and 2b.

The switching unit 36 inputs the output of the blank unit 35 to the 3: 4 monitor 33 in the no-signal sections 2a and 2b of the 3: 4 monitor 33 by the control of the effective screen section detection unit 938. In the effective screen section 2c of the 3: 4 monitor 33, the output of the video signal processor 31 is switched to be input to the 3: 4 monitor 33. In this case, the blank unit 35 is 3: A pseudo horizontal synchronizing signal and a pseudo vertical synchronizing signal of the four monitors 33 are generated, and a signal for switching the no signal sections 2a and 2b of the 3: 4 monitor 33 to the blanking level is output.

In addition, when the effective screen section 2c is detected by the valid screen section detection section 38 and the signal free sections 2a and 2b are detected by the valid screen section detection section 38, the control unit 39 uses the OS D section 37 to display the signal free sections 2a and 2b. The subtitle is displayed, and if valid, the OS D unit 37 is controlled to display a 9:16 video signal in the interval 2c.

Accordingly, the OS D unit 37 may display a 9:16 image signal on the 3: 4 monitor 33 in the effective screen section 2c of the 3: 4 monitor 33 under the control of the controller 39. In the no-signal sections 2a and 2b of the 3: 4 monitor 33, the no-signal sections 2a and 2b are blanked by the blanking signal of the blank unit 35. In addition, the OS D section is applied to the non-signal sections 2a and 2b of the 3: 4 monitor 33 by using the pseudo vertical synchronizing signal of the pseudo horizontal synchronizing signal of the 3: 4 monitor 33 output from the blank section 35. After setting, the caption signal is output to the 3: 4 monitor 33 so that the caption appears in the set OS D section.

Therefore, the OS V device of the wide VCR of the present invention displays a screen of 9:16 on a monitor of 3: 4, but when the OS D is performed, the 3: 4 monitor displays subtitles in an unsigned period so that the actual screen is covered by the subtitles By preventing the disturbance, there is an effect that you can watch a clean screen.

Claims (2)

By displaying an image signal with an aspect ratio of 9:16 on a monitor with an aspect ratio of 3: 4, the signal is divided into no signal sections 2a and 2b without a screen and an effective screen section 2c in which a 9:16 screen is displayed. In a wide VCR having the 3: 4 divider 33, a pseudo horizontal synchronizing signal of the 3: 4 monitor 33 is generated, and the signal-free sections 2a and 2b are switched to a blanking level. In the blank section 35 and the no-signal sections 2a and 2b, the blank section 35 causes the output to be input to the 3: 4 monitor 33, and in the idle screen section 2c, the 9:16 is displayed. Switching unit 36 for switching the video signal to be input to the 3: 4 monitor 33, OS D unit 37 for displaying the preset periods of the non-signaling sections 2a and 2b as captions, fraud 3 4: Effective screen for controlling the operation of the switching unit 36 for detecting the no-signal sections 2a and 2b of the monitor 33 and the valid screen section 2c. Wide VCR having a control unit 39 for controlling control of the OS D unit 37 in accordance with the sections 2a, 2b, and 2c detected by the section detecting unit 38 and the effective screen section detecting unit 38. OS D device. The W. D. apparatus of the wide VCR according to claim 1, wherein the O. S. D section (37) detects the caption section by the pseudo horizontal synchronizing signal and the pseudo vertical synchronizing signal.