JP2007060040A - Broadcast receiver - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a broadcast receiver capable of preventing the screen of the receiver from being baked due to an image produced by its own receiver such as highlight display (cursor display) and avoiding viewing of a broadcast image from being disturbed by the image produced by its own receiver such as highlight display (cursor display). <P>SOLUTION: An OSD circuit generates a frame-shaped highlight (cursor) denoting a selected screen and displays the highlight (cursor) on the selected screen in dual screens. The highlight is displayed in, e.g. yellow. If a prescribed time elapses without any operation after execution of the highlight display, the highlight display in yellow is revised into the highlight display in blue that is a color with a luminance lower than that of the yellow. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a broadcast receiving apparatus that receives a broadcast and outputs a video.

There has been proposed a broadcast receiving apparatus that includes a plurality of tuners and a two-screen synthesis circuit, performs scale conversion and two-screen synthesis of images received by two tuners, and displays them on a single monitor (see Patent Document 1). . In addition, highlight display (cursor display) is performed on a data broadcast screen, a menu screen, and the like by using an on-screen display (OSD) function of the receiving device.
Japanese Patent Laid-Open No. 11-252474

  However, if the highlight display (cursor display) continues to be displayed for a long time, the display location may be burned. In addition, the highlighted display (cursor display) may interfere with viewing.

  In view of the above circumstances, the present invention can prevent the screen from being burned by a self-created image such as a highlight display (cursor display). Also, the self-created image such as a highlight display (cursor display). An object of the present invention is to provide a broadcast receiving apparatus that can prevent viewing from being disturbed.

  In order to solve the above-described problem, the broadcast receiving apparatus of the present invention is a broadcast receiving apparatus that receives a broadcast and outputs a video, a means for displaying a self-created image at an arbitrary position on the screen, and a time measurement Timer means for reducing the brightness of the self-produced image when a predetermined time has elapsed since the display of the self-produced image, or the brightness of the self-created image stepwise over a predetermined time And a self-produced image display changing means for lowering the image quality.

  The broadcast receiving apparatus of the present invention is a broadcast receiving apparatus that receives a broadcast and outputs a video, a means for displaying a self-created image at an arbitrary position on a screen, a timer means for measuring time, When the predetermined time has elapsed since the display of the machine-created image, the color of the machine-created image is changed and the brightness is lowered, or the color of the machine-created image is changed step by step over a predetermined time. And a self-produced image display changing means for reducing the luminance as well.

  The broadcast receiving apparatus of the present invention is a broadcast receiving apparatus that receives a broadcast and outputs a video, a means for displaying a self-created image at an arbitrary position on a screen, a timer means for measuring time, When the predetermined time has elapsed since the display of the machine-created image, the size or the thickness of the machine-created image is reduced, or the size or the thickness of the machine-created image is gradually increased over a predetermined time. And a self-created image display changing means for reducing the size.

  The broadcast receiving apparatus of the present invention is a broadcast receiving apparatus that receives a broadcast and outputs a video, a means for displaying a self-created image at an arbitrary position on a screen, a timer means for measuring time, Self-created image display changing means for erasing the self-produced image when a predetermined time has elapsed since the display of the machine-created image, or erasing the self-produced image stepwise over a predetermined time; , Provided.

  With a broadcast receiver with these configurations, the screen can be prevented from being burned by a self-created image such as a highlight display (cursor display), and the self-created image such as a highlight display (cursor display) can be viewed. Can be prevented.

  In the broadcast receiving apparatus having such a configuration, in addition to each own-machine-created image display changing means, it has own-produced-image display changing means according to another form, and the user can select the own-created image display change according to any form It may be configured as follows.

  In the broadcast receiving apparatus having these configurations, in addition to the respective self-created image display change means, the self-created image display change means according to other forms is provided, The self-produced image display change process according to the form is configured to be executed simultaneously.

  In the broadcast receiving apparatus configured as described above, the self-produced image display change process may be executed when there is no key operation before the predetermined time elapses.

  In the broadcast receiving apparatus configured as described above, when the key operation is detected after the display change of the self-produced image, the display of the self-created image may be returned to the state before the change.

  The broadcast receiving apparatus having these configurations includes means for combining and displaying a plurality of videos acquired from a plurality of video sources, and a self-created image indicating which of the plurality of screens is a selection screen is displayed. It may be configured to display.

  According to the present invention, it is possible to prevent the screen from being burned by a self-created image such as a highlight display (cursor display), and the self-created image such as a highlight display (cursor display) hinders viewing. There is an effect that can be prevented.

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS.

  As shown in FIG. 1, the broadcast receiving apparatus of this embodiment includes three tuners 1A, 1B, and 1C. The three tuners 1A, 1B, and 1C are analog tuners and / or digital tuners. The analog tuner receives an analog broadcast wave having a selected frequency and demodulates it to generate a video signal. The digital tuner extracts a signal having a specific frequency from a high frequency digital modulation signal including video / audio data. Further, the digital tuner includes a demodulation circuit, a deinterleave circuit, an error correction circuit, and the like, thereby demodulating the selected digital modulation signal and outputting a transport stream. Further, the digital tuner includes a demultiplexer (DEMUX) (not shown). The demultiplexer separates the transport stream into an MPEG2 (Moving Picture Experts Group 2) video stream, an audio stream, and PSI / SI (Program Specific Information / Service Information). The demultiplexer supplies a video stream and an audio stream to an AV decoder (not shown), and supplies program information included in the PSI / SI to the system controller 15. The AV decoder generates a video signal and an audio signal.

  The signal switch 2A takes out the video signal V1 and the audio signal A1 output from the operating tuner among the three tuners 1A, 1B, and 1C. The signal switcher 2B selects the video signal V2 and the audio signal A2 output from the other operating tuner in the two-screen mode. Switching in these signal switches 2A and 2B is controlled by the system controller 15.

  The selector 3 outputs the audio signal A1 in the normal mode, and selects and outputs one of the audio signal A1 and the audio signal A2 in the two-screen mode. Voice selection in the selector 3 is controlled by the system controller 15.

  The two-screen synthesis circuit 4 outputs the video signal V1 in the normal mode, while synthesizing and outputting the video signal V1 and the video signal V2 in the two-screen mode. Specifically, when the two-screen synthesis circuit 4 receives a two-screen execution command from the system controller 15, the two video signals V1 and V2 are synthesized by using the timing signal from the deflection circuit 7 as a signal indicating the boundary of screen division. To do.

  The video processing circuit 5 superimposes the additional video from the OSD circuit 16 on the one-screen video signal in the normal mode or the two-screen video signal in the two-screen mode. The OSD circuit 16 is a circuit that generates video information based on character information and color information instructed to be output from the system controller 15. The OSD circuit 16 uses the OSD circuit 16 to display EPG (Electronic Program Guide) based on program information, data broadcast display, Menu screen display, message display, and highlight display (this will be described later) indicating a selection screen (operation target screen) in the two-screen mode can be performed.

  The video output circuit 6 converts the video signal output from the video processing circuit 5 into, for example, an RGB signal and supplies it to a monitor 9 (in this example, a CRT is used). The monitor 9 is driven by the RGB signals and signals from the deflection circuit 7 and the high voltage circuit 8. The video signal output from the video processing circuit 5 is supplied to the video output terminal 10.

  The sound processing circuit 11 receives the sound signal output from the selector 3 and generates, for example, a right (R) sound analog signal and a left (L) sound analog signal. The audio output circuit 12 includes an amplifier and drives the speaker 13 with the audio signal. The audio signal output from the audio processing circuit 11 is supplied to the audio output terminal 14.

  In a memory (RAM, EEPROM, flash memory, ROM, etc.) not shown, program information for displaying an EPG screen and the contents (setting information) set by a user on a menu screen described later are stored.

  A remote control transmitter (remote controller) 17 is a transmitter for sending a command to the broadcast receiving apparatus. The remote control transmitter 17 includes various keys as shown in FIG. When a key provided on the remote control transmitter 17 is operated, signal light (remote control signal) indicating a command corresponding to the key is transmitted from a light emitting unit (not shown). The remote control light receiver 18 receives the signal light output when the key of the remote control transmitter 17 is operated, converts it into an electrical signal, and gives it to the system controller 15. The system controller 15 performs code analysis based on the remote control signal, and gives a channel selection command, a highlight (cursor) movement command, and the like to the two-screen synthesis circuit 4 and the OSD circuit 16, for example.

  The system controller 15 performs overall control in the broadcast receiving apparatus. In particular, as control according to the present invention, as shown below, display change processing at the time of highlight display is executed.

  FIG. 3A shows a state in which a highlight (cursor) is placed on a highlight setting item on the main menu screen. When the enter key of the remote control transmitter 17 is pressed in this state, the screen moves to a “cursor highlight setting” screen as shown in FIG. Highlight control (control to change the display of highlight), which will be described later, is executed according to the contents set on this screen. The setting contents are stored in the memory or the like, and the system controller 15 executes highlight control according to the contents. Some specific examples of highlight control are given below. Note that the highlight display described below is executed to notify the user which screen is the selection screen (the side to which the operation of the remote control transmitter is applied) in the above-described two-screen display. . The highlight in this case has, for example, a frame shape surrounding one screen. Note that the highlight display has a semi-transparent band shape or a frame shape surrounding the character on the data broadcasting screen or the like. Highlight control can also be applied to highlight display executed on such a data broadcast screen.

(1) Brightness change control (see FIG. 4A)
This brightness change control is executed when “yellow → blue” is selected in FIG. Initially, a yellow frame-shaped highlight H1 is displayed, and when a certain time (for example, 6 seconds) elapses without any operation, the frame H is displayed with a highlight H2. That is, the system controller 15 first gives a command to the OSD circuit 16 to display a yellow frame at a position surrounding the selection screen. Then, the system controller 15 gives a command to the OSD circuit 16 to display a blue frame at a position surrounding the selection screen when a predetermined time has elapsed based on time elapsed information from a timer (not shown). Note that the highlight (frame) color should be different from the background color of the two screens and a color that does not make it difficult to see the video on the screen. Of course, the color of the highlight (frame) is not limited to the above-mentioned yellow or blue, and includes control for reducing the luminance even with the same color.

(2) Thickness change control (see FIG. 4B)
This thickness change control is executed when “change thickness” is selected in FIG. Initially, a thick frame-shaped highlight H3 is displayed, and when a certain time (for example, 6 seconds) elapses without any operation, a highlight H4 in which the frame portion is narrowed is displayed. That is, the system controller 15 first instructs the OSD circuit 16 to display a frame of a predetermined color (for example, blue) having a width X at a position surrounding the selection screen. Then, the system controller 15 displays a frame (H4) of a predetermined color having a width Y (X> Y) at a position surrounding the selection screen when a predetermined time has elapsed based on time elapsed information from a timer (not shown). A command is given to the OSD circuit 16. Note that it is preferable to select a color that is different from the background color of the two screens and that does not obscure the video on the screen as the highlight color.

(3) Shading control (see FIG. 4C)
This shadowing control is executed when “shadowing” is selected in FIG. Initially, a frame-shaped highlight H5 of a predetermined color (for example, yellow) is displayed. When a certain period of time (for example, 6 seconds) elapses without any operation, a shadow H6 ( The shadow of the selection screen is displayed. That is, the system controller 15 first gives a command to the OSD circuit 16 to display a frame of a predetermined color at a position surrounding the selection screen. Then, the system controller 15 causes the OSD circuit 16 to display, for example, an L-shaped black image at a position in contact with the left side and the bottom side of the selection screen when a certain time has elapsed based on time elapsed information from a timer (not shown). Give a directive. As the shadow color, it is preferable to select a color that is different from the background color of the two screens (for example, a slightly bluish gray) and that does not make it difficult to see the image on the screen.

(4) Highlight Erase Control In this highlight erase control, the system controller 15 first gives a command to the OSD circuit 16 to display a frame of a predetermined color at a position surrounding the selection screen. Then, the system controller 15 gives a command to the OSD circuit 16 to erase the frame (highlight) when a predetermined time has elapsed based on time elapsed information from a timer (not shown). When the frame (highlight) is erased, it is difficult for the user to know which screen is selected. However, if the user performs an operation (for example, pressing a direction key or a determination button), By performing the process of returning to the state in which the frame (highlight) is displayed, such a problem is reduced. Also in the above-described controls (1) to (3), when any user operation is performed, the original frame (highlight) display state may be restored.

  FIG. 5 is a flowchart showing an outline of the highlight control. When the system controller 15 detects that the “2 screen” key is pressed in the remote control transmitter 17, the system controller 15 instructs the 2 screen synthesis circuit 4 to execute the 2 screen synthesis process (step S 1), and the OSD circuit. 16 is instructed to display the highlight on the current selection screen (step S2). For example, when the system controller 15 detects pressing of a key labeled “operation switching” of the remote control transmitter 17, the system controller 15 displays a highlight display on the other screen, and the operation of the volume key and the like in the remote control transmitter 17 is performed as described above. It is processed as an instruction for the other screen. Note that, at the beginning of the start of the two-screen display, for example, a highlight is displayed on the reception screen of the channel selected in the initial one-screen display.

  Next, the system controller 15 determines whether or not the user has performed any operation (step S3). When a certain time has elapsed without any operation (YES in step S4), the highlight control is executed (step S5). On the other hand, when any operation is performed (YES in step S3), the highlight display is restored (when the highlight display has been changed), and processing corresponding to the operation is executed (step 6). If the two screens are finished (YES in step S7), the two screen state is finished.

  In the above example, the self-created image display change process is executed when no operation is performed before the predetermined time elapses. However, some operation (for example, the volume key Even if there is an operation etc., the self-created image display change process may be executed. In addition, when any operation is detected after the display change of the self-created image, the display of the self-created image is returned to the state before the change, but only when a specific key is pressed (for example, “cursor” Only when a key such as “Redisplay” is pressed), the display of the self-created image may be returned to the state before the change.

  In the above example, one highlight control is selected. For example, a check box is provided in the horizontal position of each control content on the screen of FIG. You may make it perform simultaneously. For example, when a check is added to both luminance change control and thickness change control, the frame (highlight) changes from yellow to blue and the thickness decreases. When the thickness change control and the shadow control are both checked, the frame (highlight) is thinned and shaded. Of course, when there is a control content that cannot be executed simultaneously, such a control content check is not accepted.

  In the above example, the highlight display is changed after a predetermined time from the start of the highlight display. However, the present invention is not limited to this. The highlight display may be changed stepwise (gradually) over a certain time after the highlight display is started. For example, in the luminance change control, a highlight is displayed in a first intermediate color of yellow and blue (for example, yellow green) when 1/3 of the predetermined time has elapsed, and the second is displayed when 2/3 of the predetermined time has elapsed. A highlight is displayed in an intermediate color (for example, bluish green), and is highlighted in blue when the predetermined time has elapsed. That is, every time a predetermined time (for example, 2 seconds) elapses, the system controller 15 designates a color that gradually decreases in luminance as the highlight color and gives a highlight display command to the OSD circuit 16.

  In the above example, the display change control has been described for the highlight display as a mark indicating the selection screen in the two-screen display. However, the highlight (cursor) displayed on the data broadcast screen, the menu screen, and the like is also described. The same display change control may be performed. Further, the display change control may be performed not only on the highlight but also on other self-produced images (characters, icons, etc.). For example, in the case of a two-screen display, it is also possible to display a self-created character such as “selection screen” near the lower position of the selection screen and perform change control thereof. Further, although the tuner is shown as a plurality of video sources, it is also possible to perform two-screen synthesis of an input video from an external device (for example, a DVD player) and a video from the tuner. Of course, not only two screens but also four-screen composition processing can be performed.

It is the block diagram which showed the broadcast receiver of embodiment of this invention. It is the top view which showed the example of an external appearance of the remote control transmitter. It is explanatory drawing which showed the menu screen. It is explanatory drawing which showed the form of highlight display change. It is the flowchart which showed the processing content.

Explanation of symbols

1A, 1B, 1C Tuner 2A, 2B Signal switcher 3 Selector 4 2-screen composition circuit 15 OSD circuit 16 System controller

Claims (9)

In a broadcast receiving apparatus that receives a broadcast and outputs a video, a unit that displays a self-created image at an arbitrary position on a screen, a timer unit that measures time, and a predetermined value after displaying the self-produced image Self-produced image display changing means for reducing the brightness of the self-produced image when time has elapsed, or reducing the brightness of the self-produced image stepwise over a predetermined time. A broadcast receiving device characterized. In a broadcast receiving apparatus that receives a broadcast and outputs a video, a unit that displays a self-created image at an arbitrary position on a screen, a timer unit that measures time, and a predetermined value after displaying the self-produced image The self-created image that changes the color of the self-produced image and decreases the brightness when time elapses, or changes the color of the self-produced image step by step over a predetermined time. A broadcast receiving apparatus comprising: a display changing unit; In a broadcast receiving apparatus that receives a broadcast and outputs a video, a unit that displays a self-created image at an arbitrary position on a screen, a timer unit that measures time, and a predetermined value after displaying the self-produced image Self-created image display change that reduces the size or thickness of the self-produced image when time passes or reduces the size or thickness of the self-created image stepwise over a predetermined time And a broadcast receiving apparatus. In a broadcast receiving apparatus that receives a broadcast and outputs a video, a unit that displays a self-created image at an arbitrary position on a screen, a timer unit that measures time, and a predetermined value after displaying the self-produced image Broadcasting comprising: a self-produced image display changing means for erasing the self-produced image when time elapses or erasing the self-created image stepwise over a predetermined time Receiver device. 5. The broadcast receiving apparatus according to claim 1, further comprising: a self-produced image display change means according to another form in addition to the respective self-created image display change means. A broadcast receiving apparatus configured to allow a user to select a machine-generated image display change. 5. The broadcast receiving apparatus according to claim 1, further comprising a self-produced image display change means according to another form in addition to the respective self-created image display change means. A broadcast receiving apparatus configured to be capable of simultaneously executing self-produced image display change processing according to a plurality of forms in addition to machine-created image display change. 7. The broadcast receiving apparatus according to claim 1, wherein a self-created image display change process is executed when no key operation is performed before the predetermined time has elapsed. . 8. The broadcast receiving apparatus according to claim 1, wherein when a key operation is detected after the display change of the self-produced image, the display of the self-created image is returned to the state before the change. Broadcast receiving device. 8. The broadcast receiving apparatus according to claim 1, further comprising means for combining and displaying a plurality of videos obtained from a plurality of video sources, and which of the plurality of screens is a selection screen. A broadcast receiving apparatus configured to display a self-created image indicating whether or not

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