WO2013140592A1 - Dispositif d'affichage et procédé de commande du fonctionnement dudit dispositif - Google Patents

Dispositif d'affichage et procédé de commande du fonctionnement dudit dispositif Download PDF

Info

Publication number
WO2013140592A1
WO2013140592A1 PCT/JP2012/057447 JP2012057447W WO2013140592A1 WO 2013140592 A1 WO2013140592 A1 WO 2013140592A1 JP 2012057447 W JP2012057447 W JP 2012057447W WO 2013140592 A1 WO2013140592 A1 WO 2013140592A1
Authority
WO
WIPO (PCT)
Prior art keywords
power
circuit
control
type projector
projection
Prior art date
Application number
PCT/JP2012/057447
Other languages
English (en)
Japanese (ja)
Inventor
修 富家
Original Assignee
Ｎｅｃディスプレイソリューションズ株式会社
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.)
Filing date
Publication date
Application filed by Ｎｅｃディスプレイソリューションズ株式会社 filed Critical Ｎｅｃディスプレイソリューションズ株式会社
Priority to JP2014505919A priority Critical patent/JP5995293B2/ja
Priority to PCT/JP2012/057447 priority patent/WO2013140592A1/fr
Publication of WO2013140592A1 publication Critical patent/WO2013140592A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/3147—Multi-projection systems
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2206/00—Systems for exchange of information between different pieces of apparatus, e.g. for exchanging trimming information, for photo finishing

Definitions

  • the present invention relates to a display device that projects an image and an operation control method of the display device, and more particularly to a technique for reducing power consumption in a standby mode.
  • a projection type projector device that projects an image on a screen or the like is used.
  • the projection type projector device can be controlled via a wired LAN or a wireless LAN, and can be remotely controlled by giving a signal for projecting an image to the projection type projector device via the wired LAN or the wireless LAN. It is possible to control the display of information.
  • a stack projection method in which a plurality of projection-type projector devices are used and the same image is projected from the plurality of projection-type projector devices onto the same screen to increase the brightness (for example, see Patent Document 1).
  • the stack projection method is used, the luminance can be increased as described above, and even when a person or the like is interposed between one projection type projector device and the screen among the plurality of projection type projector devices. Since the same image projected from another projection type projector device is displayed on the screen, it is avoided that the image becomes invisible.
  • a standby mode can be set to reduce power consumption.
  • power consumption is reduced by not supplying power to the circuit for projecting video.
  • a signal for projecting video is received via a wired LAN or wireless LAN. It is necessary to supply power to the circuit for this purpose.
  • a plurality of display devices are used, there is a problem that a plurality of power is consumed even in the standby mode.
  • the present invention has been made in view of the problems of the above-described technology, and in a display system using a plurality of display devices controlled by received control signals, power consumption in a standby mode in which no image is projected. It is an object of the present invention to provide a display device and an operation control method for the display device that can reduce the above.
  • the present invention provides: A display device that constitutes a display system that displays a provided image by projecting images from a plurality of display devices, A communication means for receiving the control signal; Image projection means for projecting an image according to the control signal; First control means for controlling the operation of the video projection means based on the control signal; Second control means for controlling power supply to the communication means and the first control means,
  • the first control unit is configured to supply power to the communication unit and the first control unit from a first standby mode in which power is not supplied to the communication unit and the first control unit.
  • a trigger signal is output when the communication means receives a mode transition signal for transitioning to the standby mode of
  • the second control means supplies power to the communication means and the first control means when the trigger signal is input in a state where power is not supplied to the communication means and the first control means. Supply.
  • a communication unit configured to receive a control signal; a video projection unit configured to project an image according to the control signal; a first control unit configured to control an operation of the video projection unit based on the control signal; And a second control means for controlling the power supply to the first control means, and the operation of the display device constituting the display system for displaying the provided video by projecting the video from the plurality of display devices
  • the first control means supplies power to the communication means and the first control means from a first standby mode in which power is not supplied to the communication means and the first control means.
  • the trigger signal is input when the second control unit is not supplying power to the communication unit and the first control unit, the communication unit and the first control unit are powered on. Processing to supply.
  • the power of the display device is supplied to the communication means.
  • the communication means receives a mode transition signal for shifting from the first standby mode in which power is not supplied to the communication means to the second standby mode in which power is supplied to the communication means.
  • the trigger signal output from the display device is input to a display device to which power is not supplied to the communication means, power is supplied to the communication means in this display device, so that no standby image is projected.
  • power may be supplied to communication means of one display device among a plurality of display devices constituting the display system.
  • FIG. 1 is a block diagram showing a configuration of an embodiment of a display system having a plurality of display devices of the present invention. It is a figure which shows the connection state in the back surface of the three projection type projector apparatuses shown in FIG. It is the block diagram which showed typically the internal circuit of the projection type projector apparatus shown in FIG.1 and FIG.2.
  • FIG. 4 is a flowchart for explaining an operation control method of the projection type projector device for reducing power consumption in the display system shown in FIGS. 1 to 3.
  • FIG. It is the block diagram which showed typically the internal circuit of other embodiment of the projection type projector apparatus used for the display system of this invention. It is the block diagram which showed typically the internal circuit of other embodiment of the projection type projector apparatus used for the display system of this invention.
  • FIG. 1 is a block diagram showing a configuration of an embodiment of a display system having a plurality of display devices according to the present invention.
  • FIG. 2 is a block diagram of three projection projectors 1a to 1c shown in FIG. It is a figure which shows the connection state in a back surface.
  • the present embodiment is composed of projection type projector devices 1a to 1c which are three display devices.
  • Each of the projection type projector devices 1a to 1c has a configuration in which a wired LAN cable 2 is connected to wired LAN ports 4a to 4c provided on the back surface, and is connected to a network via the wired LAN cable 2.
  • each of the projection type projector devices 1a to 1c is provided with trigger signal input ports 5a to 5c and trigger signal output ports 6a to 6c on the back surface, and the projection type projector device 1a and the projection type projector device 1b are provided.
  • Type projector device 1c is connected via trigger signal cable 3b connected to trigger signal output port 6b of projection type projector device 1b and trigger signal input port 5c of projection type projector device 1c.
  • the provided video is displayed on the screen by the stack projection method in which the same video is projected on the same screen from the three projection projectors 1a to 1c.
  • FIG. 3 is a block diagram schematically showing an internal circuit of the projection type projector apparatus 1a shown in FIGS.
  • the internal circuits of the projection type projector apparatuses 1b and 1c shown in FIGS. 1 and 2 have the same configuration.
  • the projection type projector device 1a shown in FIGS. 1 and 2 serves as a wired LAN circuit 11 serving as a communication unit, a projector projection circuit 13 serving as a video projection unit, and a first control unit.
  • the main CPU circuit 12, the sub CPU circuit 14 serving as a second control means, three power switch circuits 15 to 17, a power circuit 18, an infrared receiving circuit 21, and a key switch 22 are configured.
  • the wired LAN circuit 11 is connected to the wired LAN port 4a, operates with the power supplied from the power supply circuit 18, and is a LAN signal such as a control signal for projecting an image or a mode transition signal for shifting a mode. Are transmitted to and received from the network via the wired LAN port 4a.
  • the projector projection circuit 13 is operated by the power supplied from the power circuit 18 and projects an image corresponding to the signal received by the wired LAN circuit 11.
  • the main CPU circuit 12 operates by the power supplied from the power circuit 18 and controls the operation of the projector projection circuit 13 based on the signal received by the wired LAN circuit 11.
  • the main CPU circuit 12 controls the power supply from the power circuit 18 to the projector projection circuit 13 by controlling the power switch circuit 17.
  • the main CPU circuit 12 receives a trigger signal when the wired LAN circuit 11 receives a mode transition signal when the projection projector 1a is in the standby mode and the projection projector 1b is in the power saving mode. Is output via the trigger signal output port 6a.
  • the sub CPU circuit 14 is operated by the power supplied from the power circuit 18 and controls the power switch circuits 15 and 16 to control power supply from the power circuit 18 to the wired LAN circuit 11 and the main CPU circuit 12.
  • the power switch circuit 15 or 16 is controlled to supply power to the wired LAN circuit 11 and the main CPU circuit 12 from the power circuit 18. Control to be supplied.
  • the infrared receiving circuit 21 receives infrared rays from the outside and outputs a signal based on the infrared rays to the sub CPU circuit 14.
  • the key switch 22 is configured to be operable from the outside, and outputs a signal corresponding to the operation to the sub CPU circuit 14.
  • the three projection type projectors 1a to 1c have three power supply modes: a power saving mode that is a first standby mode, a standby mode that is a second standby mode, and a power ON mode. There is.
  • the power saving mode is a state in which only the sub CPU circuit 14 operates when power is supplied from the power supply circuit 18.
  • the wired LAN circuit 11 is not supplied with power by the power switch circuit 15 being controlled by the sub CPU circuit 14, and the main CPU circuit 12 is powered by the power switch circuit 16 in the sub CPU circuit 14. Power is not supplied by being controlled.
  • the projector projection circuit 13 is not supplied with power to the main CPU circuit 12, the power from the power circuit 18 is cut off by the power switch circuit 17 controlled by the main CPU circuit 12. Is not supplied and is not working.
  • the main CPU circuit 12 is not supplied with power, but when the signal for controlling the power switch circuit 17 is at “L” level, the power supplied from the power circuit 18 is cut off by the power switch circuit 17. If the power is controlled in this way, there is no problem even if the main CPU circuit 12 is not supplied with power.
  • power consumption can be suppressed as much as possible.
  • power ON mode power is supplied from the power circuit 18 to the projector projection circuit 13 by controlling the power switch circuit 17 in the main CPU circuit 12 from the standby mode described above, and an image is projected from the projector projection circuit 13. Is done.
  • the infrared receiving circuit 21 receives signals by infrared rays for shifting the projection type projector apparatuses 1a to 1c from the power saving mode to the standby mode. If the key switch 22 is operated to shift the projection type projector devices 1a to 1c from the power saving mode to the standby mode, the projection type projector devices 1a to 1c are changed from the power saving mode to the standby mode.
  • a signal for shifting is sent to the sub CPU circuit 14, and the power switch circuits 15 and 16 are controlled by the sub CPU circuit 14, whereby the power from the power circuit 18 is supplied to the wired LAN circuit 11 and the main CPU 12.
  • the projection type projector devices 1a to 1c are in standby mode. To migrate to de.
  • an infrared signal for shifting the projection type projector devices 1a to 1c to the power ON mode is received by the infrared receiving circuit 21, or the projection type projector device.
  • a signal for shifting the projection type projector devices 1a to 1c to the power ON mode is transmitted via the sub CPU circuit 14.
  • the power is supplied to the main CPU circuit 12, and the power switch circuit 17 is controlled by the main CPU circuit 12, whereby the power from the power circuit 18 is supplied to the projector projection circuit 14, and the projection type projector devices 1a to 1c are in the power ON mode. Based on the signal received via the wired LAN circuit 11.
  • Images are projected from the projector projection circuit 13 are. Since the wired LAN circuit 11 is also operating in the standby mode, a signal for shifting the projection type projector apparatuses 1a to 1c to the power ON mode is sent from the network via the wired LAN ports 4a to 4c. It is also possible to shift to the power-on mode by sending to.
  • an infrared signal for shifting the projection type projector apparatuses 1a to 1c from the power ON mode to the standby mode is sent to the infrared receiving circuit 21.
  • the projectors 1a to 1c are put into standby from the power-on mode when an operation is performed on the key switch 22 to shift the projection-type projector devices 1a to 1c from the power-on mode to the standby mode.
  • a signal for shifting to the mode is sent to the main CPU circuit 12 via the sub CPU circuit 14, and the power switch circuit 17 is controlled by the main CPU circuit 12, whereby the power from the power circuit 18 is supplied to the projector projection circuit 14.
  • Projection type pro Ekuta devices 1a ⁇ 1c is shifted to the standby mode.
  • the infrared receiving circuit 21 as described above may be used for an arbitrary time after the projection type projector devices 1a to 1c shift to the standby mode.
  • the power switch circuits 15 and 16 are controlled by the sub CPU circuit 14. As a result, power from the power supply circuit 18 is not supplied to the wired LAN circuit 11 and the main CPU 12, and the projection projectors 1a to 1c shift to the power saving mode.
  • FIG. 4 is a flowchart for explaining an operation control method of the projection type projector apparatuses 1a to 1c for reducing power consumption in the display system shown in FIGS.
  • only one projection type projector device 1a among the three projection type projector devices 1a to 1c shown in FIGS. 1 to 3 is set to the standby mode by the above-described control (step 1), and the others These two projectors 1b and 1c are set to the power saving mode by the control described above (steps 2 and 3).
  • the projection type projector device 1a in the standby mode can be controlled via the wired LAN
  • the projection type projector devices 1b and 1c in the power saving mode can be controlled via the wired LAN. Is impossible to control.
  • a mode transition signal for shifting the mode to the projection type projector apparatus 1a is sent to the network.
  • the mode transition signal is received by the wired LAN circuit 11 via the wired LAN port 4a of the projection type projector device 1a (step 4).
  • the projector projection circuit 13 projects an image instead of using a specific signal as a mode transition signal for making all the projectors 1a to 1c controllable via a wired LAN. It is also conceivable to use a control signal for this as a mode transition signal.
  • a trigger signal for shifting the projection type projector device 1b to the standby mode is output from the main CPU circuit 12 of the projection type projector device 1a via the trigger signal output port 6a (step 5).
  • the trigger signal output from the main CPU circuit 12 of the projection type projector apparatus 1a via the trigger signal output port 6a is input to the trigger signal input port 5b of the projection type projector apparatus 1b via the trigger signal cable 3a, and is projected. It is sent to the sub CPU circuit 14 of the projector device 1b (step 6).
  • the power switch circuits 15 and 16 are controlled by the sub CPU circuit 14, whereby the power from the power source circuit 18 is supplied to the wired LAN circuit 11 and the main CPU 12, and the projection type projector device 1b. Shifts to standby mode (step 7).
  • the wired LAN circuit 11 When the projection type projector device 1b shifts to the standby mode, the wired LAN circuit 11 is supplied with power, so that it can be controlled via the wired LAN, and then the mode transition signal is projected.
  • the main CPU circuit 12 of the projection projector apparatus 1b When received by the wired LAN circuit 11 via the wired LAN port 4b of the projector apparatus 1b (step 8), the main CPU circuit 12 of the projection projector apparatus 1b shifts the projection projector apparatus 1c to the standby mode.
  • a trigger signal is output through the trigger signal output port 6b (step 9).
  • the trigger signal output from the main CPU circuit 12 of the projection type projector apparatus 1b via the trigger signal output port 6b is input to the trigger signal input port 5c of the projection type projector apparatus 1c via the trigger signal cable 3b, and is projected. It is sent to the sub CPU circuit 14 of the projector device 1c (step 10).
  • the power switch circuits 15 and 16 are controlled by the sub CPU circuit 14, whereby the power from the power source circuit 18 is supplied to the wired LAN circuit 11 and the main CPU 12, and the projection type projector device 1c. Shifts to the standby mode (step 11). Thereby, also in the projection type projector apparatus 1c, when the power is supplied to the wired LAN circuit 11, the control through the wired LAN becomes possible.
  • all of the projection type projector apparatuses 1a to 1c are controlled via the wired LAN. It is not always necessary to supply power to the wired LAN circuit 11 for performing the operation. When power is supplied only to the wired LAN circuit 11 of one projection type projector apparatus 1a, control via the wired LAN is required. However, since it is only necessary to supply power to the wired LAN circuit 11 and shift to the standby mode for all of the projection type projector apparatuses 1a to 1c, it is possible to reduce the power consumption in the standby mode in which no video is projected.
  • FIG. 5 is a block diagram schematically showing an internal circuit of another embodiment of the display device of the present invention.
  • the projection type projector apparatus has a wireless LAN circuit 19 instead of the wired LAN circuit 11 and is controlled via a wireless LAN network as shown in FIG. Is different.
  • the projection of the image from the projector projection circuit 13 and the mode transition signal for shifting the mode are transmitted via a wireless LAN network. It is transmitted and received by the wireless LAN circuit 19.
  • FIG. 6 is a block diagram schematically showing an internal circuit of another embodiment of the display device of the present invention.
  • the projection type projector apparatus is provided with an infrared transmission circuit 23 instead of the trigger signal output port 6a and an infrared ray instead of the trigger signal input port 5a.
  • a receiving circuit 24 is provided, and a trigger signal is transmitted / received by the infrared transmitting / receiving means of the infrared transmitting circuit 23 and the infrared receiving circuit 24.
  • the trigger signal output from the main CPU circuit 12 is output as infrared rays from the infrared transmission circuit 23, and this trigger signal is output from the infrared reception circuit 24. It is received and sent to the sub CPU circuit 14. Therefore, in the projection type projector devices 1a to 1c in which the modes are sequentially shifted as described above, the infrared transmission circuit 23 of the projection type projector device 1a and the infrared reception circuit 24 of the projection type projector device 1b are opposed to each other, and By making the infrared transmission circuit 23 of the projection type projector device 1b and the infrared reception circuit 24 of the projection type projector device 1c face each other, the trigger signal is reliably transmitted and received.
  • one projection projector apparatus 1a is in the standby mode, and the remaining two projection projector apparatuses 1b and 1c are power-saving.
  • the projection type projector device 1b shifts to the standby mode by the trigger signal output from the projection type projector device 1a, and then the projection type by the trigger signal output from the projection type projector device 1b that shifts to the standby mode.
  • the projector apparatus 1c has been described by taking the case of shifting to the standby mode as an example. However, a trigger signal is output from the projection type projector apparatus 1a that is in the standby mode to the projection type projector apparatuses 1b and 1c that are in the power saving mode.
  • Projection type projector apparatus 1b, 1c is a projection type It may be configured to transition to the standby mode by receiving a trigger signal output from the projector unit 1a.
  • the display system of the present invention is not the stack projection system as described above, but projects one image divided from each of the projection type projector devices 1a to 1c onto one screen to display a provided image. It may be done.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Television Receiver Circuits (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Abstract

Selon la présente invention, un seul projecteur 1a sur trois projecteurs 1a à 1c est réglé sur un mode de veille à fonction de commande par l'intermédiaire d'un réseau, et lors du réglage de la totalité des projecteurs 1a à 1c pour permettre la commande par l'intermédiaire du réseau, le projecteur 1b est commuté du mode d'économie d'énergie au mode de veille par délivrance d'un signal de déclenchement en sortie du projecteur 1a vers le projecteur 1b, et le projecteur 1c est commuté du mode d'économie d'énergie au mode de veille par délivrance d'un signal de déclenchement en sortie du projecteur 1b, qui a été commuté au mode de veille, vers le projecteur 1c.
PCT/JP2012/057447 2012-03-23 2012-03-23 Dispositif d'affichage et procédé de commande du fonctionnement dudit dispositif WO2013140592A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2014505919A JP5995293B2 (ja) 2012-03-23 2012-03-23 表示装置及び表示装置の動作制御方法
PCT/JP2012/057447 WO2013140592A1 (fr) 2012-03-23 2012-03-23 Dispositif d'affichage et procédé de commande du fonctionnement dudit dispositif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/057447 WO2013140592A1 (fr) 2012-03-23 2012-03-23 Dispositif d'affichage et procédé de commande du fonctionnement dudit dispositif

Publications (1)

Publication Number Publication Date
WO2013140592A1 true WO2013140592A1 (fr) 2013-09-26

Family

ID=49222086

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/057447 WO2013140592A1 (fr) 2012-03-23 2012-03-23 Dispositif d'affichage et procédé de commande du fonctionnement dudit dispositif

Country Status (2)

Country Link
JP (1) JP5995293B2 (fr)
WO (1) WO2013140592A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021099431A (ja) * 2019-12-23 2021-07-01 セイコーエプソン株式会社 表示装置の制御方法及び表示装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004289361A (ja) * 2003-03-20 2004-10-14 Ricoh Co Ltd 画像形成装置及び複合装置
JP2005234107A (ja) * 2004-02-18 2005-09-02 Seiko Epson Corp 画像投写方法、画像投写システム、画像処理装置および光学処理装置
JP2010010942A (ja) * 2008-06-25 2010-01-14 Ricoh Co Ltd 画像形成システムおよび画像形成方法
JP2012047849A (ja) * 2010-08-25 2012-03-08 Canon Inc 投射型表示システム及び投射型表示装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004289361A (ja) * 2003-03-20 2004-10-14 Ricoh Co Ltd 画像形成装置及び複合装置
JP2005234107A (ja) * 2004-02-18 2005-09-02 Seiko Epson Corp 画像投写方法、画像投写システム、画像処理装置および光学処理装置
JP2010010942A (ja) * 2008-06-25 2010-01-14 Ricoh Co Ltd 画像形成システムおよび画像形成方法
JP2012047849A (ja) * 2010-08-25 2012-03-08 Canon Inc 投射型表示システム及び投射型表示装置

Also Published As

Publication number Publication date
JPWO2013140592A1 (ja) 2015-08-03
JP5995293B2 (ja) 2016-09-21

Similar Documents

Publication Publication Date Title
JP6305242B2 (ja) マルチ画面表示装置
JP6866591B2 (ja) 表示システム、表示システムの制御方法、及びプログラム
US10061479B2 (en) Display system, information processing apparatus, computer readable recording medium, and power source control method
EP2824936B1 (fr) Projecteur, procédé de commande de projecteur et support d'enregistrement stockant un programme de commande de projecteur
JP6883254B2 (ja) 表示装置、表示方法及び表示システム
US20160353096A1 (en) Display device and image quality setting method
JP2009201010A (ja) プロジェクタシステム、プロジェクタ及びリモートコントローラ
WO2013179736A1 (fr) Appareil électronique, procédé de commande, et support de mémorisation
EP2827590B1 (fr) Projecteur, procédé de commande de projecteur et support d'enregistrement stockant un programme de commande de projecteur
JP2015103880A (ja) マルチプロジェクションシステム、およびマルチプロジェクションシステムの制御方法
WO2011001481A1 (fr) Dispositif de traitement de signal vidéo, système de traitement vidéo, circuit intégré à semi-conducteur et procédé de traitement de signal vidéo
JP5995293B2 (ja) 表示装置及び表示装置の動作制御方法
JP6210850B2 (ja) パワーオーバーイーサネット（登録商標）対応受電装置およびパワーオーバーイーサネット（登録商標）対応ディスプレイ
JP2016081012A (ja) マルチディスプレイ装置
JP5473005B2 (ja) プロジェクターおよびその電源制御方法
JP2008191642A (ja) 画像表示システム、画像出力装置、および画像表示方法
JP2015155940A (ja) 画像表示装置及び画像表示方法
JP2011077730A (ja) 投写型表示装置
JP2008092023A (ja) プロジェクタ
TW201321989A (zh) 輸出入裝置以及使用其之顯示設備
JP2006258833A (ja) 投射型映像表示装置
KR20030075534A (ko) 컴퓨터 시스템의 절전모드 제어방법
JP2023046813A (ja) 画像表示装置およびその制御方法
JP2017204798A (ja) 表示制御装置、表示装置及び制御方法
JP2001094898A (ja) テレビジョン受信機

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12871911

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2014505919

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12871911

Country of ref document: EP

Kind code of ref document: A1