WO2012164769A1 - Dispositif d'affichage d'images de projection - Google Patents

Dispositif d'affichage d'images de projection Download PDF

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Publication number
WO2012164769A1
WO2012164769A1 PCT/JP2011/073922 JP2011073922W WO2012164769A1 WO 2012164769 A1 WO2012164769 A1 WO 2012164769A1 JP 2011073922 W JP2011073922 W JP 2011073922W WO 2012164769 A1 WO2012164769 A1 WO 2012164769A1
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WO
WIPO (PCT)
Prior art keywords
video
state
display device
display
video display
Prior art date
Application number
PCT/JP2011/073922
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English (en)
Japanese (ja)
Inventor
森田　章義
明俊 山口
武志 巻島
Original Assignee
株式会社ソニー・コンピュータエンタテインメント
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 株式会社ソニー・コンピュータエンタテインメント filed Critical 株式会社ソニー・コンピュータエンタテインメント
Publication of WO2012164769A1 publication Critical patent/WO2012164769A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/08—Separation of synchronising signals from picture signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/63—Generation or supply of power specially adapted for television receivers

Definitions

  • the present invention relates to a video display device that displays a video corresponding to a video signal input from the outside.
  • video display devices that display video on the display screen.
  • Such a video display device is connected to an external device that supplies a video signal such as a home game machine or a personal computer, for example, by wire or wirelessly, and displays a video based on the video signal input from the outside.
  • the video display device needs to detect a synchronization signal included in the video signal when displaying the video. While the synchronization signal is detected, the video display device cannot display a video. For this reason, in such a state, the user cannot clearly determine whether the video display device is not operating or is only preparing for displaying video.
  • the present invention has been made in consideration of the above circumstances, and one of its purposes is to provide a video display apparatus that allows a user to easily grasp that when preparations for video display are being made. It is to provide.
  • the video display device includes a display screen for displaying video according to a video signal input from the outside, and detection of a synchronization signal included in the input video signal prior to the start of display of the video. And a state display indicator for performing a display indicating that preparation for displaying an image is being performed.
  • the status display indicator may start displaying when the power button of the device is turned on, and may end when the display screen starts displaying the video.
  • the status display indicator may perform a display indicating that the preparation is being performed independently of a power indicator that displays a power status of the video display device.
  • the status display indicator may switch whether or not to perform the display indicating that the preparation is being performed, according to an operation mode of the video display device.
  • FIG. 1 and 2 are perspective views showing the appearance of a video display device 100 according to an embodiment of the present invention.
  • FIG. 1 shows the video display device 100 from the front side, and FIG. It shows the state.
  • the video display apparatus 100 includes a main body 110, a pedestal 120, and a support 130.
  • the main body 110 is the main body of the video display device 100 and includes a display screen 111 that displays video on the front side thereof. Further, on the front surface of the main body 110, a status display indicator 112 is provided at the lower center of the display screen 111, a power indicator 113 is provided at the lower left of the display screen 111, and a speaker 114 that reproduces sound is displayed on the left and right of the display screen 111. Has been placed.
  • the status display indicator 112 and the power indicator 113 are used to display the operation status of the video display device 100. The display of these indicators will be described in detail later.
  • a plurality of input / output terminals 115 for inputting / outputting signals to / from an external device are provided on the back surface of the main body 110.
  • the video display device 100 includes an input terminal for inputting a video signal such as a video signal or a component video signal corresponding to the HDMI (High-Definition Multimedia Interface) standard.
  • a plurality of operation buttons 116 including a power button are arranged on the back surface of the main body 110. These operation buttons 116 are used, for example, for various setting changes and display adjustments of the video display device 100.
  • FIG. 3 is an exploded perspective view showing these connection relationships.
  • the column 130 is fixed to the pedestal 120 by being screwed from the bottom side of the pedestal 120.
  • a hollow connection portion 117 in which a hole 118 is formed is disposed on the back surface of the main body portion 110.
  • an insertion portion 131 provided with a protruding portion 132 is disposed on the upper portion of the column 130. The protrusion 132 can be pushed inward and is urged in a direction protruding from the insertion portion 131.
  • the projection portion 132 engages with the hole 118 and the main body portion 110 is fixed to the support column 130.
  • the main body 110 can be removed from the column 130 by pulling the main body 110 upward while pushing the protrusion 132 inward.
  • the user can easily attach / remove the main body 110 to / from the support column 130 by hand without using a tool. Therefore, in some cases, the user can remove the main body 110 from the support 130 and place it at an arbitrary place to view the video. As shown in FIG.
  • the video display device 100 is compatible with frame sequential 3D display. That is, the video display apparatus 100 constitutes a frame sequential video display system together with the corresponding shutter glasses. Specifically, the video display apparatus 100 displays the right-eye image and the left-eye image on the display screen 111 by alternately switching in time division.
  • a transmitter 119 is disposed in the main body 110, and the transmitter 119 sends a signal informing the shutter glasses corresponding to the timing of image switching. The shutter glasses receive this signal and close the left-eye shutter while the right-eye image is displayed on the display screen 111, and the right-eye shutter while the left-eye image is displayed. Close.
  • the user wearing the shutter glasses can view the left eye image with the left eye and the right eye image with the right eye.
  • the video display apparatus 100 can allow each of a plurality of users to view different images using such a frame sequential display method.
  • the video display device 100 alternately displays an image for the user A and an image for the user B on the display screen 111 instead of the image for the right eye and the image for the left eye.
  • the transmitter 119 sends a signal notifying the switching timing of images to each of the shutter glasses used by the user A and the shutter glasses used by the user B.
  • the shutter glasses used by the user A close the binocular shutter while the user B image is displayed, and the binocular shutter while the user A image is displayed. Open.
  • the shutter glasses used by the user B close the binocular shutter while the image for the user A is displayed, and open the binocular shutter while the image for the user B is displayed. In this way, two users can view videos that are completely different from each other.
  • the video display device 100 turns on the power indicator 113 if power is supplied to the main body 110.
  • this state is referred to as a standby state M1.
  • the power indicator 113 is lit in the first color (for example, red) in order to display that the video display device 100 is in the standby state M1.
  • the status display indicator 112 is not lit.
  • the video display apparatus 100 determines whether or not an external video signal is input, and if there is an input of the video signal, prepares to display a video corresponding to the video signal. More specifically, the video display apparatus 100 detects a synchronization signal included in the video signal. While the signals cannot be synchronized, there is a possibility that the video cannot be displayed normally, so that the video is not displayed on the display screen 111. When the signal synchronization is completed and the video is ready to be displayed, the video display device 100 transitions to a video display state M3 described later.
  • the video display device 100 displays a message informing that there is no video signal input on the display screen 111 for a certain period of time, which will be described later. Transition to the power saving operation state M4.
  • the video display device 100 turns on the status display indicator 112 to display to the user that the video display is being prepared. Specifically, when the video display device 100 is turned on and transitions from the standby state M1 to the initial preparation state M2, the state display indicator 112 is lit in a predetermined color (for example, blue). In order to indicate that the power is turned on, the power indicator 113 changes the emission color from the first color indicating the standby state M1 to a second color different from the first color (for example, green).
  • a predetermined color for example, blue
  • the video display state M3 is a state in which a video is being displayed on the display screen 111 based on a video signal input from the outside.
  • the display of the video on the display screen 111 is started, and the display by the status display indicator 112 is terminated at this timing (that is, the status display indicator 112 is turned off).
  • the power indicator 113 is lit in the second color as it is even in the video display state M3.
  • the power saving operation state M4 is a state in which the video display device 100 is operating with power saving. In this state, the video display device 100 is turned on, but no video signal is input, so the video display device 100 does not display anything on the display screen 111 and supplies power to some circuits. To stop.
  • the power indicator 113 changes from the second color indicating the normal operation state to a third color (for example, orange) that is different from both the first and second colors. Change the emission color to.
  • the state display indicator 112 is also turned off when the initial preparation state M2 is shifted to the power saving operation state M4.
  • the video display device 100 When the user presses the power button in the video display state M3 or the power saving operation state M4, the video display device 100 is turned off. At this time, the video display device 100 transitions to the standby state M1, and the light emission color of the power indicator 113 is changed to the first color.
  • the video display device 100 displays a message informing that there is no video signal input on the display screen 111 for a certain period of time, and transitions to the power saving operation state M4. To do.
  • the video display device 100 transitions to the preparation state M5.
  • the video display apparatus 100 detects a synchronization signal included in the input video signal, as in the initial preparation state M2. Then, when the signal synchronization is completed and preparation for displaying the video is completed, the video display device 100 transitions to the video display state M3.
  • the light emission color of the power indicator 113 returns from the third color to the second color, and the video display device 100 changes from the power saving operation state M4 to the normal operation state. Is displayed.
  • the state display indicator 112 indicating that the video display is being prepared is not displayed. This is because the transition from the power saving operation state M4 to the preparation state M5 is triggered by the user's action such as connecting the cable to the video input terminal, so that it is clear to the user that the video signal is input. .
  • the video display device 100 needs to synchronize the video signal again. For this reason, the video display device 100 transitions to the preparation state M5, and returns to the video display state M3 when preparation for displaying the video after the resolution change is completed. Also in this case, since the resolution change is performed according to some user instruction to the external device that inputs the normal video signal, the state display indicator 112 is not displayed.
  • the video display device 100 is functionally configured to include a power control unit 151, a synchronization detection unit 152, a video display control unit 153, a power indicator control unit 154, and a status display indicator control unit 155. . These functions are realized by a control circuit or the like built in the main body 111.
  • the power control unit 151 manages the power state of the video display device 100. Specifically, the power control unit 151 operates while power is being supplied to the main body unit 111 and monitors the operation of the power button by the user. Then, when the user performs an operation of turning on the power button, power is supplied to each unit in the main body unit 111 to start its operation. When the user performs an operation to turn off the power button, the operation of each unit in the main body 111 is stopped. Furthermore, when the power button is on and no video signal is input from the input / output terminal 115, control is performed to shift the main body 111 to the power saving state M4.
  • the power supply control unit 151 notifies the power supply indicator control unit 154 and the state display indicator control unit 155 of the change in the power supply state.
  • the synchronization detection unit 152 receives a video signal input from the input / output terminal 115 and outputs a synchronization signal included in the video signal. To detect. In the present embodiment, when the detection of the synchronization signal is completed, the synchronization detection unit 152 notifies the status display indicator control unit 155 to that effect.
  • the video display control unit 153 processes the video signal based on the timing determined by the synchronization signal detected by the synchronization detection unit 152. This video signal processing may include, for example, color correction processing. Further, the video display control unit 154 displays a video on the display screen 111 based on the processed video signal.
  • the power indicator control unit 154 changes the emission color of the power indicator 113 according to the change in the power state notified by the power control unit 151. Specifically, as already described, the power indicator control unit 154 lights the power indicator 113 in the first color when the power button is off. When the power button is turned on, the power indicator 113 is lit in the second color, and when the main body 111 is shifted to the power saving operation state M4, the power indicator 113 is lit in the third color.
  • the state display indicator control unit 155 When the state display indicator control unit 155 receives a notification from the power supply control unit 151 that the power of the video display device 100 is turned on (that is, when the video display device 100 transitions to the initial preparation state M2), the state display indicator control unit 155 The display indicator 112 is lit in a predetermined color. Further, when the notification of the end of detection of the synchronization signal is received from the synchronization detection unit 152 (that is, when the video display device 100 transitions from the initial preparation state M2 to the video display state M3), the state display indicator 112 is turned off. The state display indicator 112 is also turned off when the power supply control unit 151 notifies the transition from the initial preparation state M2 to the power saving state M4.
  • the power indicator 113 is lit in the first color in the standby state M1 (the power of the video display device 100 is off), and the power saving operation state M4 (the video display device 100). Is lit in the third color in a state where the power is operated with power saving), and is lit in the second color in the other state (normal operation state of the video display device 100). As a result, the power indicator 113 displays a change in the power state of the video display device 100.
  • the state display indicator 112 is lit in a predetermined color only during the initial preparation state M2, and is turned off when transitioning from the initial preparation state M2 to another state. Thereby, even if the user is in a state where nothing is displayed on the display screen 111, the user can grasp that the video display device 100 is preparing for video display by displaying the status display indicator 112.
  • the state display indicator 112 is not lit in the preparation state M5.
  • the state display indicator 112 may be lit in the preparation state M5 as in the initial preparation state M2.
  • the state display indicator 112 is lit in a state where no video is displayed on the display screen 111 and there is a possibility of transition to the video display state M3. Therefore, the user can determine from the display of the status display indicator 112 that the video is not currently displayed but may be displayed in the future.
  • the state display indicator 112 in the initial preparation state M2, the state display indicator 112 is turned on even when there is no video signal input (when transitioning to the power saving operation state M4 after a certain time). In such a case, the state display indicator 112 may not be turned on, and the state display indicator 112 may be turned on only when a video signal is being input. In this way, the status display indicator 112 is lit only during the synchronization of the video signal, and the user always determines that the video is displayed after the status display indicator 112 is displayed. Can do.
  • the state display indicator 112 is turned on in the initial preparation state M2 and is turned off in other cases to indicate that the video display is being prepared. 112 may perform such display in other ways. For example, the state display indicator 112 may perform blinking display during the initial preparation state M2. Moreover, it is good also as lighting with the color different from the luminescent color in another state.
  • the power indicator 113 is turned on in the second color indicating that it is in the normal operation state in the video display state M3.
  • the power indicator 113 is turned off in the video display state M3. It is good. This is because it is clear that the video display device 100 is in normal operation since the video is displayed on the display screen 111 in the video display state M3.
  • the video display device 100 may switch whether or not to perform display by the status display indicator 112 according to the operation mode of the video display device 100.
  • the video display apparatus 100 may have a fast startup mode in addition to the normal startup mode.
  • This high-speed start-up mode is a mode that realizes start-up of the video display device 100 faster than the normal start-up mode when the power button is pressed in the standby state M1.
  • This high-speed startup mode can be realized by making preparations such as reading in advance a setting value necessary for the operation of the video display device 100 in the memory that is energized even in the standby state M1.
  • the video display device 100 When the video display device 100 is in such a high-speed startup mode, the time for staying in the initial preparation state M2 is shorter than that in the normal startup mode, and during that time, it is displayed that the video display is being prepared. There is little need. Therefore, the video display device 100 may not display the status display indicator 112 during the initial preparation state M2 when starting up in the fast startup mode.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

L'invention fournit un dispositif d'affichage d'images de projection qui lorsqu'un affichage d'images de projection est en préparation, permet de le faire comprendre aisément à l'utilisateur. Plus précisément, l'invention concerne un dispositif d'affichage d'images de projection qui est équipé : d'un écran d'affichage (111) qui affiche des images de projection en réponse à des signaux d'images de projection entrés par une unité externe; et d'un indicateur d'affichage d'état (112) qui effectue un affichage signalant que la préparation pour afficher les images de projection est en cours, avant le commencement de l'affichage d'image de projection, pendant la détection de signaux de synchronisation incluant les signaux d'images de projection ainsi entrés.
PCT/JP2011/073922 2011-06-03 2011-10-18 Dispositif d'affichage d'images de projection WO2012164769A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011125860 2011-06-03
JP2011-125860 2011-06-03

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WO2012164769A1 true WO2012164769A1 (fr) 2012-12-06

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08265191A (ja) * 1995-03-27 1996-10-11 Sanyo Electric Co Ltd Ｆｍ多重放送受信装置
JPH11289502A (ja) * 1998-04-03 1999-10-19 Sanyo Electric Co Ltd テレビジョン受像機
JP2002354363A (ja) * 2001-05-08 2002-12-06 Thomson Licensing Sa テレビジョンのパワーボタンを点灯する光源を選択的に消すためのシステム
JP2004153481A (ja) * 2002-10-30 2004-05-27 Nec Corp デジタル放送受信機
JP2010136107A (ja) * 2008-12-04 2010-06-17 Nintendo Co Ltd 情報処理装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08265191A (ja) * 1995-03-27 1996-10-11 Sanyo Electric Co Ltd Ｆｍ多重放送受信装置
JPH11289502A (ja) * 1998-04-03 1999-10-19 Sanyo Electric Co Ltd テレビジョン受像機
JP2002354363A (ja) * 2001-05-08 2002-12-06 Thomson Licensing Sa テレビジョンのパワーボタンを点灯する光源を選択的に消すためのシステム
JP2004153481A (ja) * 2002-10-30 2004-05-27 Nec Corp デジタル放送受信機
JP2010136107A (ja) * 2008-12-04 2010-06-17 Nintendo Co Ltd 情報処理装置

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