KR0147984B1 - Apparatus of on-screen-display in a wide video cassette recorder - Google Patents

Abstract

The present invention relates to a 9:16 wide VCR (On Screen Display) device of a Wide Video Cassette Recoder (VCR), wherein an aspect ratio of 9:16 is a preset effective value of a 3: 4 monitor 33. In a wide VCR having the 3: 4 monitor 33 in which no signal section without a screen is generated by moving to the screen section 2c and displaying the same; and a pseudo horizontal synchronizing signal of the 3: 4 monitor 33; Blank unit 35 for generating a pseudo vertical synchronization signal and switching the no-signal section to a blanking level, and a 9:16 image so that the 9:16 image signal can be moved and displayed in the preset effective screen section 2c. A delay unit 36 for delaying a signal, and outputting of the blank unit 35 to the 3: 4 monitor 33 in the no-signal section, and the 9:16 image in the valid screen section 2c. To switch the signal to the 3: 4 monitor 33 An OS D unit 38 for displaying a preset section of the switching unit 37, the non-signal section 2c as a caption, and a no-signal section and an effective screen section 2c of the 3: 4 monitor 33. The valid screen section detection unit 39 detects and controls the operation of the switching unit 37 and the valid screen section detection unit 39 according to the valid screen section and the no signal section detected by the OS D section 38. And a control unit 40 for controlling the delay of the delay unit 36 so as to control whether or not the OS D and the 9:16 video signal is moved and displayed in the preset effective screen section 2c. It features.

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 an O. S. D device of a wide VCR of the prior art.

3 is a detailed block 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, 38: O. S. D part

35 blank portion 36 delay portion

37: switching unit 39: valid screen section detection unit

40: control unit

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

A typical VCR monitor has an aspect ratio of 3: 4, and video signals corresponding to a 3: 4 aspect ratio are recorded and played back in a typical VCR, whereas a wide VCR monitor has an aspect ratio of 9:16 and 9: in a wide VCR. An image signal corresponding to 16 aspect ratios 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 not signaled. A video signal of 9:16 is displayed as a section.

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

As described above, in a device displaying a 9:16 video signal of a wide VCR on a 3: 4 monitor, displaying a timer function such as clock setting reservation, reservation confirmation, reservation cancellation, etc. on a screen using subtitles. As shown in FIG. 2, a conventional OS D apparatus for a 9:16 video signal processed by a video signal processor 21 and a video signal processor 21 for processing a video signal of a 9:16 video signal is shown in FIG. 9:16 monitor (22) for displaying on a 9:16 screen, 3: 4 monitor (23), 9:16 monitor (22) for displaying a 9:16 video signal on a 9:16 screen And OS D section 24 and OS D section 24 for displaying subtitles of timer functions such as clock setting reservation, reservation cancellation, etc. in a preset section of a 9:16 screen displayed on a 3: 4 monitor 23, respectively. Control unit 25, 3: 4 monitor 23 for controlling the OS D function of the A blank section 26 for generating a pseudo horizontal synchronizing signal and a pseudo vertical synchronizing signal, and switching the non-signal sections 1a and 1b of the 3: 4 monitor 23 to a blanking level; In 1b), the output of the blank unit 26 is output to the 3: 4 monitor 23, and in the effective screen section 1c, the output of the OS D unit 24 is switched to the 3: 4 monitor 23. When displaying the 9:16 screen on the switching unit 27 3: 4 monitor 23 for switching, the upper and lower no-signal sections 1a and 1b of the 3: 4 monitor 23 and the effective screen section ( The effective screen section detection unit 28 is configured to control the switching unit 27 to detect 1c and display a 9:16 screen on the effective screen section 1c, and performs the following operations.

First, the video signal processing unit 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 from a 9:16 VCR tape and input. 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 the 9:16 video signal processed by 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 unit 26 generates the pseudo horizontal synchronizing signal and the pseudo vertical synchronizing signal of the 3: 4 monitor 23, while the upper and lower non-signal sections 1a and 1b of the 3: 4 monitor 23 are generated. Output a signal to represent the blanking level. Therefore, the effective screen section detection unit 28 divides the upper horizontal section 1a, the middle horizontal section 1b, and the lower horizontal section 1c of the 3: 4 monitor into 1.5: 9: 1.5 as described above. The upper no-signal section 1a and the lower no-signal section 1b 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 effective screen section 1c is detected respectively, and the switching section 27 is controlled so that the blank signal of the blank section 26 is output to the 3: 4 monitor 23 in the upper and lower no-signal sections 1a and 1b. In the effective screen section, the switching unit 27 is controlled such that the 9:16 screen output from the OS D unit 24 is output to the 3: 4 monitor 23.

However, as shown in FIG. 1, the conventional wide VCR displays a screen of 9:16 on a monitor of 3: 4, and the OS D section is set in the screen of 9:16, so that the clock setting reservation, reservation confirmation, and reservation are made. By subscribing a timer function such as cancellation to a subtitle, there is a problem that the actual screen is obstructed or obstructed by the subtitle.

Therefore, the present invention displays the 9:16 screen of the VCR biased on the upper side or the lower side of the 3: 4 monitor so that the subtitle can be displayed on the lower no-signal section or the upper no-signal section where the 9:16 screen is not displayed. It is an object of the present invention to provide an OS D device of a wide VCR capable of preventing a real screen from being obscured by subtitles.

In order to achieve the above object, the present invention provides a signal-free section in which no screen is generated by moving an image signal having an aspect ratio of 9:16 to a preset effective screen section of an aspect ratio of 3: 4 monitor. A blank VCR comprising: a blank unit generating a pseudo horizontal synchronizing signal and a pseudo vertical synchronizing signal of the 3: 4 monitor, and switching the no signal section to a blanking level, wherein a 9:16 image signal is preset A delay unit for delaying a 9:16 video signal to be displayed and displayed in the effective screen section, and outputting of the blank section to the 3: 4 monitor in the no-signal section, and in the effective screen section A switching unit for switching the video signal to be input to the 3: 4 monitor, an OS D unit for displaying a preset section of the non-signal section as a caption, and the 3 A valid screen section detection unit for detecting an unsigned section and a valid screen section of the monitor to control an operation of the switching unit, and an OS of the OS D unit according to the valid screen section and the no signal section detected by the valid screen section detecting unit And controlling a delay of the delay unit so as to control whether D and the 9:16 video signal is displayed and moved to the preset valid screen section.

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

FIG. 3 is a detailed configuration diagram for implementing the present invention, and FIGS. 4A and 4B are diagrams showing output screen states according to an embodiment of the present invention. The video signal processor 31, the 9:16 monitor 32 for displaying the 9:16 video signal processed by the video signal processor 31 on a 9:16 screen, and the video signal processed 9:16 video. Timers such as reservation of clock settings, reservation confirmation, and cancellation of reservations in the preset section of the 9:16 screen displayed on the 3:16 monitor 33 and 9:16 monitor 32 for displaying signals on the 9:16 screen The OS D section 34 for generating the captions and the pseudo horizontal synchronizing signal of the 3: 4 monitor 33 and the pseudo vertical synchronizing signal are generated, and the no signal sections 2a and 2b of the 3: 4 monitor 33 are generated. ), The blank unit 35, 9:16 screen for switching to the blanking level is preset on the 3: 4 monitor 33. The delay unit 36 delays the 9:16 video signal to be displayed and moved to the section 2c, and the delay unit 36 outputs 3 in the preset effective screen section 2c of the 3: 4 monitor 33. In the non-signal sections 2a and 2b except for the effective screen section 2c of the 3: 4 monitor 33, the output of the blank unit 35 is output to the 4: 4 monitor 33. OS to display the timer function such as clock setting reservation, reservation confirmation, reservation cancellation, etc. in the non-signal sections 2a and 2b of the switching unit 37 and 3: 4 monitor 33 which are switched to be input to When displaying the 9:16 screen on the D unit 38 and the 3: 4 monitor 33, the preset effective screen section 2c and the no-signal sections 2a and 2b of the 3: 4 monitor 33 are detected. In the effective screen section 2c, the output of the delay section 36 is input to the OS D section 38, and in the no-signal sections 2a and 2b of the 3: 4 monitor 33, the blank section 35 Output is sent to OS D section 38 The effective screen section detection unit 39 controlling the switching unit 37 to be input, and whether the OS D function of the OS D unit 34 controls the OS D function, and the valid screen section detection unit 39 controls the non-signal sections 2a and 2b. Is detected, the OS D unit 38 controls the OS D unit 38 so that the subtitles appear in the no-signal section 2c, while the 9:16 screen is a preset effective screen on the 3: 4 monitor 33. The controller 40 controls the degree of delay of the delay unit 36 to be moved and displayed in the section 2c.

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 video signal of 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 external connection on a 16 VCR.

The OS D unit 34 controls timer functions such as clock setting reservation, reservation confirmation, reservation cancellation, etc. in a preset section of the 9:16 screen displayed on the 9:16 monitor 32 under the control of the control unit 39. In order to appear, the subtitle signal is OSDed to the input 9:16 video signal and 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.

On the other hand, the delay unit 36 receives the 9:16 video signal of the video signal processor 31, and then controls the control unit 40 to display the preset effective screen section on the 3: 4 monitor 33 in the 9:16 screen. Delay the 9:16 video signal so that it can be moved to (2c) and displayed. That is, as shown in FIG. 4, when the effective screen section 2c is set to the upper side of the 3: 4 monitor 33, the 9:16 screen is moved to the upper side of the 3: 4 monitor 33 and displayed. (FIG. 4 (a)) and when the effective screen section 2c is set to the lower side of the 3: 4 monitor 33, the 9:16 screen is moved to the lower side of the 3: 4 monitor 33 and displayed. Delay the 9:16 video signal as much as possible (Fig. 4 (a)),

The valid screen section detection unit 39 receives the output of the delay unit 36 and inputs the preset valid screen section 2c of the 3: 4 monitor 33 and the valid screen section 2c to the 3: 4 monitor 33. As shown in Fig. 4 (a), when it is set on the upper side of the 3: 4 monitor 33, the no signal section 2b generated on the lower side of the 3: 4 monitor 33, or the effective screen section 2c. Is set on the lower side of the 3: 4 monitor 33 as shown in FIG. 4 (b), the signal-free section 2a generated on the upper side of the 3: 4 monitor 33 is detected and 3: 3 is detected. In the effective screen section 2c of the monitor 33, the output of the delay section 36 is input to the OS D section 38, and in the no-signal section 2a or 2b of the 3: 4 monitor 33, the blank section is provided. While controlling the switching unit 37 so that the output of the 35 is input to the OS D unit 38, the controller 40 provides information on the effective screen section 2c and the no-signal section 2a or 2b. do.

Accordingly, the switching unit 37 outputs the blank portion 35 to the 3: 4 monitor 33 in the no-signal section 2a or 2b of the 3: 4 monitor 33 under the control of the effective screen section detection unit 39. In the preset effective screen section 2c of the 3: 4 monitor 33, the output of the delay unit 36 is switched to be input to the 3: 4 monitor 33. In this case, the blank unit 35 is switched. Generates a pseudo horizontal synchronizing signal and a pseudo vertical synchronizing signal of the 3: 4 monitor 33, and outputs a signal for switching the no-signal sections 2a and 2b of the 3: 4 monitor 33 to the blanking level.

In addition, when the valid screen section detection unit 39 detects the valid screen section 2c and the no-signal sections 2a and 2b, the control unit 40 detects the non-signal sections 2a and 2b by the OS D section 38. The subtitle is displayed, and the effective screen section 2c controls the OS D unit 38 so that a video signal of 9:16 can be displayed.

Accordingly, the OS D unit 38 moves the video signal of 9:16 to the preset effective screen section 2c of the 3: 4 monitor 33 by the control of the controller 40, thereby allowing the 3: 4 monitor 33 to move. The signal-free interval 2a or 2b of the 3: 4 monitor 33 by using the pseudo horizontal synchronizing signal and the pseudo vertical synchronizing signal of the 3: 4 monitor 33 outputted from the blank unit 35. After setting the OS D section, the caption signal is output to the 3: 4 monitor 33 so that the caption appears in the set OS D section.

At this time, the blank unit 35 blanks the signal-free section 2a or 2b of the 3: 4 monitor 33.

Therefore, while the OS D device of the wide VCR of the present invention displays a screen of 9:16 on a monitor of 3: 4, when the OS D is executed, the OS: 16 device of the wide VCR moves the screen of 9:16 to a preset effective screen interval of the 3: 4 monitor. By displaying the subtitles in the no-signal interval to prevent the real screen is obstructed or obstructed by the subtitles, there is an effect that can watch a clean screen.

Claims (4)

The 3: 4 monitor 33 generates a no-signal section without a screen by moving and displaying an image signal having an aspect ratio of 9:16 to a preset effective screen section 2c of the aspect ratio 3: 4 monitor 33. In the wide VCR including: a blank unit 35 for generating a pseudo horizontal synchronizing signal and a pseudo vertical synchronizing signal of the 3: 4 monitor 33, and switching the no signal section to a blanking level, a 9:16 image A delay unit 36 for delaying a 9:16 video signal so that the signal can be moved and displayed in the preset effective screen section 2c, and in the no-signal section, the output of the blank unit 35 is the 3: 4 monitor. A switching unit 37 for switching the image signal of 9:16 to be input to the 3: 4 monitor 33 and the no signal section 2c in the effective screen section 2c. The OS D section 38 for displaying a predetermined section of the caption, The valid screen section detection unit 39 and the effective screen section detection unit 39 detect the signal-free section and the effective screen section 2c of the monitor 33 to control the operation of the switching unit 37. The OS D unit 38 controls whether the OS D 38 operates according to the detected valid screen section and no signal section, and the 9:16 image signal is moved to the preset valid screen section 2c and displayed. An OS D device of a wide VCR having a control unit 40 for controlling the delay of the delay unit 36. The wide VCR O. S. D device of claim 1, wherein the O. S. D unit 38 detects the caption section by the pseudo horizontal registration signal and the pseudo vertical synchronization signal. The VCR apparatus according to claim 1 or 2, wherein the effective screen section (2c) is set to the upper side of the 3: 4 monitor (33). The apparatus of claim 1 or 2, wherein the effective screen section (2c) is set to the lower side of the 3: 4 monitor (33).