WO2015136660A1 - 表示装置、マルチディスプレイシステム、表示装置のid決定方法 - Google Patents
表示装置、マルチディスプレイシステム、表示装置のid決定方法 Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1438—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display using more than one graphics controller
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G5/006—Details of the interface to the display terminal
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/02—Composition of display devices
- G09G2300/026—Video wall, i.e. juxtaposition of a plurality of screens to create a display screen of bigger dimensions
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2356/00—Detection of the display position w.r.t. other display screens
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/02—Networking aspects
- G09G2370/025—LAN communication management
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/04—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller
- G09G2370/042—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller for monitor identification
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/14—Use of low voltage differential signaling [LVDS] for display data communication
Definitions
- the present invention relates to a display device, a multi-display system, and a display device ID determination method.
- a multi-configured display that forms a large screen as a whole by connecting a plurality of displays side by side is used (for example, Patent Document 1).
- this multi-configured display various proposals have been made to efficiently and automatically set display IDs in order of arrangement in order to perform control via a network and control by a remote controller.
- the connection method has changed from RS232C to Ethernet (registered trademark).
- the display ID setting method is to first close the interface for the rear stage of all connected displays, and count the display ID while opening the interface for the rear stage one by one from the front. I was able to take the method of being.
- the problem to be solved is that when the number of connected display devices increases, the time for setting the display ID is prolonged.
- the first port can be daisy chain connected to a control computer or a front display device, and the second port can be daisy chain connected to a rear display device;
- a transmission source transmitted from each of the subsequent display devices connected to the second port in response to a request for searching for a display device to set a display device ID in the display device transmitted from the control computer.
- a storage unit that receives and stores the address of the display device by the network unit, and receives the total number that is the total number of the plurality of display devices transmitted from the control computer, and the total number received Based on the number of addresses stored in the storage unit, the display device ID assigned to the display device of itself is assigned. And having a control unit for the constant to, the.
- Another embodiment of the present invention is a multi-display system in which a plurality of display devices are connected to a control computer via a network in a daisy chain, and the control computer displays the display devices to the plurality of display devices.
- a total number of the plurality of display devices is calculated from a first transmission unit that transmits a request for searching for a display device to be set with an ID and the number of responses transmitted from the plurality of display devices in response to the request.
- a second transmission unit that transmits the calculated total number to the plurality of display devices, wherein the first display device of the plurality of display devices has a first port that is A first network unit that can be connected to a control computer and a second port can be connected to a display device at a later stage, and the first network unit.
- a first storage unit for storing addresses of transmission source display devices transmitted in response to the request of the control computer from each of the subsequent display devices connected to the second port; and the control computer And a control unit that determines a display device ID to be assigned to its own display device based on the received total number and the number of addresses stored in the first storage unit.
- the n-th display device (n is a natural number of 2 or more) connected to the rear stage of the first display device among the plurality of display devices can be connected to the front-stage display device with the second port.
- a control unit that determines a display device ID to be assigned to its own display device based on the number of addresses stored in the second storage unit.
- a request for searching for a display device for which a display device ID is to be set in a plurality of display devices is transmitted from the control computer to each of the display devices daisy chained to the control computer.
- the address of the display device of the transmission source transmitted from each of the display devices connected to the subsequent stage of the device itself is received and stored, and transmitted from the control computer.
- a display device ID to be assigned to its own display device is determined based on the received total number and the stored number of addresses. This is an apparatus ID determination method.
- FIG. 1 is a schematic block diagram showing functions of the display device according to the first embodiment.
- the first port 3 can be daisy chain connected to the control computer or the front display device
- the second port 4 can be daisy chain connected to the rear display device.
- the storage unit 5 stores each of the subsequent display devices connected to the second port 4 in response to a request from the control computer to search for a display device to be set with a display device ID for a plurality of display devices. Is received by the network unit 2 and stored.
- the control unit 6 receives the total number which is the total number of the plurality of display devices transmitted from the control computer, and based on the received total number and the number of addresses stored in the storage unit 5
- the display device ID assigned to the display device 1 is determined.
- FIG. 2 is a schematic block diagram showing the configuration of the multi-display system in the second embodiment.
- the control computer 100 is daisy chain connected to a plurality of display devices.
- a multi-display system is configured by daisy chaining a plurality of display devices to a control computer via a network.
- Ethernet registered trademark
- display device 200-1, display device 200-2, display device 200-3, and display device 200-4 are daisy chain-connected as a plurality of display devices. If it is a stand, the number of display devices other than four can be connected. Further, the display device 200-1, the display device 200-2, the display device 200-3, and the display device 200-4 may be simply referred to as the display device 200.
- control computer 100 is connected to the display device 200-1 via the network cable 300-1.
- the control unit 110 controls the control computer 100 as a whole.
- the control unit 110 calculates the total number of the plurality of display devices from the number of responses transmitted from the plurality of display devices in response to the search request.
- the network unit 120 has a function of communicating with each display device connected in the subsequent stage, a function of transmitting a search request for searching for a display device to which a display device ID is set to a plurality of display devices, and a calculation And a function of transmitting the total number thus obtained to a plurality of display devices.
- the display device 200-1 is connected to a display device 200-2 which is a subsequent display device via a network 300-2.
- the display device 200-1 includes a control unit 210-1 and a network unit 220-1, and displays various videos on its screen.
- the control unit 210-1 controls the entire display device 200-1.
- the network unit 220-1 communicates with other devices connected in a daisy chain, and transmits and receives various types of information.
- the display device 200-2 is connected to the display device 200-3, which is a subsequent display device, via the network 300-3.
- the display device 200-2 includes a control unit 210-2 and a network unit 220-2, and displays various videos on its own screen.
- the control unit 210-2 controls the entire display device 200-2.
- the network unit 220-2 communicates with other devices connected in a daisy chain, and transmits and receives various types of information.
- the display device 200-3 is connected to the display device 200-4, which is a subsequent display device, via the network 300-4.
- the display device 200-3 includes a control unit 210-3 and a network unit 220-3, and displays various videos on its own screen.
- the control unit 210-3 controls the entire display device 200-3.
- the network unit 220-3 communicates with other devices connected in a daisy chain, and transmits and receives various types of information.
- the display device 200-4 includes a control unit 210-4 and a network unit 220-4, and displays various videos on its own screen.
- the control unit 210-4 controls the entire display device 200-4.
- the network unit 220-4 communicates with other devices connected in a daisy chain, and transmits and receives various types of information. Note that the network unit 220-4 can connect a display device to the subsequent stage, but in this embodiment, a case where the display unit is not connected will be described.
- FIG. 3 is a schematic block diagram showing functions of the display device 200 in the second embodiment.
- the functions of the display device 200 in this figure are the same as the functions of the display device 200-1, the display device 200-2, the display device 200-3, and the display device 200-4 in FIG.
- the display device 200 has a control unit 210 and a network unit 220.
- the control unit 210 controls the entire display device 200.
- the network unit 220 can be connected to the control computer 100 or another display device 200 and is connected to the control unit 210.
- the network unit 220 can use, for example, a layer 2 switch.
- the first port unit 221 has its first port connectable to the control computer 100 or another display device 200, and stores the address received from the first port (for example, the MAC address of the control computer 100).
- the second port unit 222 has a second table 222a in which the second port of the second port unit 222 can be connected to a subsequent display device.
- the second table 222a receives the address of the transmission source display device that is received by the first port unit 221 and is transmitted in response to a request from the control computer 100 from each of the subsequent display devices connected to the second port unit 222a.
- the second table 222a receives the address of the transmission source display device that
- the control unit 210 receives the total number transmitted from the control computer 100, and assigns a display device ID to be assigned to its own display device based on the total number received and the number of addresses stored in the second table 222a. decide. Further, the control unit 210 transmits the determined display device ID from the first port to the control computer.
- FIG. 4 is a flowchart showing the operation of the multi-display system
- FIGS. 5, 6, 7, 8, and 9 are schematic diagrams for explaining the operation of the multi-display system.
- the control unit 110 of the control computer 100 sets each display device connected in a daisy chain as a display device for which a display device ID is to be set, and broadcasts a search request packet for searching for each display device from the network unit 120. Transmit (step S11). This search request includes the MAC address of the control computer 100.
- the broadcast search request is transmitted from the network unit 120 of the control computer 100 to the first port unit of the display device 200-1, from the second port unit of the display device 200-1 to the first port unit of the display device 200-2, and to the display.
- the data is transmitted from the second port unit of the device 200-2 to the first port unit of the display device 200-3 and from the second port unit of the display device 200-3 to the first port unit of the display device 200-4.
- the MAC address of the control computer 100 is stored in each first table of the first port portion of each display device (step S12, FIG. 6).
- each display device 200 transmits a response to the control computer 100 (step S13).
- This response includes the MAC address of the display device 200 that transmits the response (the MAC address assigned to its own display device).
- the response transmitted from the display device 200-4 is transmitted to the control computer 100 via the display device 200-3, the display device 200-2, and the display device 200-1.
- the response transmitted from the display device 200-3 is transmitted to the control computer 100 via the display device 200-2 and the display device 200-1.
- the response transmitted from the display device 200-2 is transmitted to the control computer 100 via the display device 200-1.
- the response transmitted from the display device 200-1 is transmitted to the control computer 100.
- Each display device 200 receives a response to the search request from the display device connected to its second port unit (step S14).
- Each display device 200 stores the received MAC address of each display device in the second table (step S15, FIG. 7).
- the display device 200-1 stores the MAC address of the display device 200-2, the MAC address of the display device 200-3, and the MAC address of the display device 200-4 in the second table.
- the display device 200-2 stores the MAC address of the display device 200-3 and the MAC address of the display device 200-4 in the second table.
- the display device 200-3 stores the MAC address of the display device 200-4 in the second table.
- the control unit 110 of the control computer 100 receives the response transmitted from each display device 200 by the network unit 120 (step S16), and receives the received MAC address of each display device 200 in the internal memory of the control unit 110. Store (step S17, FIG. 8). Then, the control unit 110 counts the number of MAC addresses of the display device 200 stored in the memory, calculates the total number (step S18), and includes an ID setting packet including the calculated total number as information. Is transmitted by broadcast (step S19).
- each display device 200 When the control unit 210 of each display device 200 receives the ID setting packet (step S20), whichever of the first table and the second table does not include the MAC address of the control computer 100 is which one. It is determined that the second table is obtained as a determination result. Then, the control unit 210 of each display device 200 counts the number of MAC addresses stored in the second table (step S21), calculates the difference between the total number and the number of count results, and obtains the obtained difference. Based on this, a display device ID is generated (step S22). The generated display device ID is stored in a memory inside its own control unit 210 (FIG. 9). When the display device ID is generated, the control unit 210 transmits the display device ID to the control computer 100 via the network unit 220 (step S23). The control computer 100 stores the display device ID transmitted from each display device 200 (step S24, FIG. 10).
- the MAC address learning function of the layer 2 switch used for connection is used to force the layer 2 switch to learn the MAC address, and the learning result From this, the number of MAC addresses of the display devices connected in the subsequent stage is counted, and the difference from the total number of display devices is calculated, thereby realizing a high-speed display ID automatic setting method independent of the connection port. be able to.
- Ethernet registered trademark
- ID setting independent of the connection location of the RJ45 connector of Ethernet registered trademark
- each display does not count sequentially but counts the number of MAC addresses in parallel at the same time, so that even when the number of connected devices increases, it is possible to process at high speed.
- the display device ID is calculated based on the total number of display devices and the number of MAC addresses stored in the second port.
- the calculation method in addition to using the difference between the total number and the number of MAC addresses stored in the second port, the sum of the total number and the number of MAC addresses stored in the second port can be used. . Further, any calculation may be performed as long as different display device IDs can be generated based on the total number and the number of MAC addresses stored in the second port.
- the program for realizing the function of the display device 200 in FIG. 1 is recorded on a computer-readable recording medium, and the program recorded on the recording medium is read into the computer system and executed, thereby executing the display device ID.
- the setting process may be performed.
- the “computer system” includes an OS and hardware such as peripheral devices.
- the “computer system” includes a homepage providing environment (or display environment) if a WWW system is used.
- the “computer-readable recording medium” refers to a storage device such as a flexible medium, a magneto-optical disk, a portable medium such as a ROM or a CD-ROM, and a hard disk incorporated in a computer system.
- the “computer-readable recording medium” includes a medium that holds a program for a certain period of time, such as a volatile memory inside a computer system serving as a server or a client.
- the program may be a program for realizing a part of the functions described above, and may be a program capable of realizing the functions described above in combination with a program already recorded in a computer system.
- the program may be stored in a predetermined server, and the program may be distributed (downloaded or the like) via a communication line in response to a request from another device.
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Abstract
Description
近年、接続方式がRS232CからEthernet(登録商標)に変化してきている。
制御部110は、コントロール用コンピュータ100全体の制御を行う。また、制御部110は、検索要求に対応して複数の表示装置から送信される応答の数から複数の表示装置の合計数を算出する。
ネットワーク部120は、後段に接続された各表示装置と通信する機能を有しており、複数の表示装置へ表示装置IDを設定する対象の表示装置を検索する検索要求を送信する機能と、算出された合計数を複数の表示装置に送信する機能とを有する。
ネットワーク部220は、コントロール用コンピュータ100または他の表示装置200と接続可能であり、制御部210と接続される。このネットワーク部220は、例えば、レイヤ2スイッチを用いることができる。
第1ポート部221は、自身が有する第1ポートがコントロール用コンピュータ100または他の表示装置200に接続可能であり、第1ポートから受信したアドレス(例えば、コントロール用コンピュータ100のMACアドレス)を記憶する第1テーブル221aを有する。
第2ポート部222は、自身が有する第2ポートが後段の表示装置に接続可能であり、第2テーブル222aを有する。第2テーブル222aは、第1ポート部221によって受信する、第2ポート部222aに接続された後段の表示装置それぞれからコントロール用コンピュータ100の要求に応じて送信される送信元の表示装置のアドレスをそれぞれ記憶する。
また、制御部210は、決定された表示装置IDを第1ポートからコントロール用コンピュータへ送信する。
図4は、マルチディスプレイシステムの動作を表すフローチャート、図5、図6、図7、図8、図9は、マルチディスプレイシステムの動作を説明する概略図である。
表示装置IDの設定処理を実行する前においては、各表示装置200の第1テーブル、第2テーブルにはMACアドレスは記憶されていない(図5)。
まず、コントロール用コンピュータ100の制御部110は、デイジーチェーン接続された各表示装置を表示装置IDの設定対象の表示装置とし、各表示装置を検索するための検索要求パケットをネットワーク部120からブロードキャストによって送信する(ステップS11)。この検索要求には、コントロール用コンピュータ100のMACアドレスが含まれている。
また、「コンピュータ読み取り可能な記録媒体」とは、フレキシブルディスク、光磁気ディスク、ROM、CD-ROM等の可搬媒体、コンピュータシステムに内蔵されるハードディスク等の記憶装置のことをいう。さらに「コンピュータ読み取り可能な記録媒体」とは、サーバやクライアントとなるコンピュータシステム内部の揮発性メモリのように、一定時間プログラムを保持しているものを含むものとする。また上記プログラムは、前述した機能の一部を実現するためのものであっても良く、さらに前述した機能をコンピュータシステムにすでに記録されているプログラムとの組み合わせで実現できるものであってもよい。また、上記のプログラムを所定のサーバに記憶させておき、他の装置からの要求に応じて、当該プログラムを通信回線を介して配信(ダウンロード等)させるようにしてもよい。
2 ネットワーク部
3 第1ポート
4 第2ポート
5、110、210-1、210-2、210-3、210-4 記憶部
6、110、210、210-1、210-2、210-3、210-4、 制御部
100 コントロール用コンピュータ
120、220、220-1、220-2、220-3、220-4 ネットワーク部
221 第1ポート部
221a 第1テーブル
222 第2ポート部
222a 第2テーブル
223 第3ポート
Claims (4)
- 第1ポートがコントロール用コンピュータ又は前段の表示装置にデイジーチェーン接続可能であり、第2ポートが後段の表示装置にデイジーチェーン接続可能であるネットワーク部と、
前記複数の表示装置へ表示装置IDを設定する対象の表示装置を検索する要求が前記コントロール用コンピュータから送信されることに応じて前記第2ポートに接続された後段の表示装置のそれぞれから送信される送信元の表示装置のアドレスを前記ネットワーク部によって受信して記憶する記憶部と、
前記コントロール用コンピュータから送信される、前記複数の表示装置の台数の合計である合計数を受信し、受信した合計数と前記記憶部に記憶されたアドレスの個数とに基づいて、自身の表示装置に割り当てる表示装置IDを決定する制御部と、
を有することを特徴とする表示装置。 - 前記制御部は、前記決定された表示装置IDを前記第1ポートから前記コントロール用コンピュータへ送信する
ことを特徴とする請求項1記載の表示装置。 - コントロール用コンピュータに複数の表示装置がネットワークを介してデイジーチェーン接続されるマルチディスプレイシステムであり、
前記コントロール用コンピュータは、
前記複数の表示装置へ表示装置IDを設定する対象の表示装置を検索する要求を送信する第1送信部と、
前記要求に対応して前記複数の表示装置から送信される応答の数から前記複数の表示装置の合計数を算出する算出部と、
前記算出された合計数を前記複数の表示装置に送信する第2の送信部と、を有し、
前記複数の表示装置のうち第1の表示装置は、
第1ポートが前記コントロール用コンピュータに接続可能であり、第2ポートが後段の表示装置に接続可能である第1ネットワーク部と、
前記第1ネットワーク部によって受信する、前記第2ポートに接続された後段の表示装置それぞれから前記コントロール用コンピュータの前記要求に応じて送信される送信元の表示装置のアドレスをそれぞれ記憶する第1記憶部と、
前記コントロール用コンピュータから送信される合計数を受信し、受信した合計数と前記第1記憶部に記憶されたアドレスの個数とに基づいて、自身の表示装置に割り当てる表示装置IDを決定する制御部と、を有し、
前記複数の表示装置のうち第1の表示装置の後段に接続される第n(nは2以上の自然数)の表示装置は、
第2ポートが前段の表示装置に接続可能であり、第3ポートが後段の表示装置に接続可能である第2ネットワーク部と、
前記第2ネットワーク部によって受信する、前記第3ポートに接続された後段の表示装置のそれぞれから前記コントロール用コンピュータの前記要求に応じて送信される送信元の表示装置のアドレスをそれぞれ記憶する第2記憶部と、
前記コントロール用コンピュータから送信される合計数を受信し、受信した合計数と前記第2記憶部に記憶されたアドレスの個数とに基づいて、自身の表示装置に割り当てる表示装置IDを決定する制御部と、を有する
ことを特徴とするマルチディスプレイシステム。 - 複数の表示装置へ表示装置IDを設定する対象の表示装置を検索する要求がコントロール用コンピュータから当該コントロール用コンピュータにデイジーチェーン接続された表示装置のそれぞれに送信されることに応じて、自身の後段にデイジーチェーン接続された表示装置のそれぞれから送信される送信元の表示装置のアドレスを受信して記憶し、
前記コントロール用コンピュータから送信される、前記複数の表示装置の台数の合計である合計数を受信し、受信した合計数と前記記憶されたアドレスの個数とに基づいて、自身の表示装置に割り当てる表示装置IDを決定する
ことを特徴とする表示装置のID決定方法。
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US15/124,637 US10055188B2 (en) | 2014-03-13 | 2014-03-13 | Display device, multi-display system, and ID determination method for display device |
PCT/JP2014/056635 WO2015136660A1 (ja) | 2014-03-13 | 2014-03-13 | 表示装置、マルチディスプレイシステム、表示装置のid決定方法 |
US16/039,878 US10268435B2 (en) | 2014-03-13 | 2018-07-19 | Display device, multi-display system, and ID determination method for display device |
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WO2015001664A1 (ja) * | 2013-07-05 | 2015-01-08 | 三菱電機株式会社 | 複数ディスプレイの表示装置 |
JP6249507B2 (ja) * | 2014-03-13 | 2017-12-20 | Necディスプレイソリューションズ株式会社 | 表示装置、マルチディスプレイシステム、表示装置のid決定方法 |
JP6508711B2 (ja) * | 2015-03-24 | 2019-05-08 | Necディスプレイソリューションズ株式会社 | ネットワークシステム及びネットワーク設定方法 |
WO2018063235A1 (en) * | 2016-09-29 | 2018-04-05 | Hewlett-Packard Development Company, L.P. | Modular accessory unit |
CN107038991B (zh) * | 2017-05-10 | 2019-12-24 | 西安诺瓦星云科技股份有限公司 | 拼接式显示屏配屏方法及装置和显示屏控制卡 |
CN107633792B (zh) * | 2017-08-31 | 2023-07-21 | 北京集创北方科技股份有限公司 | 一种显示设备和显示控制方法 |
US10949157B2 (en) * | 2018-06-07 | 2021-03-16 | Cirrus Systems, Inc. | Modular display system with ethernet connection and control |
EP3761163A1 (en) * | 2019-07-05 | 2021-01-06 | Vestel Elektronik Sanayi ve Ticaret A.S. | Method of operating a display system having a plurality of display units, and display system |
KR102095164B1 (ko) | 2019-10-31 | 2020-03-30 | 주식회사 애즈원 | 복수의 디스플레이 유닛을 개량된 이더넷 망으로 연결한 전광판 시스템 |
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CN111930327A (zh) * | 2020-07-27 | 2020-11-13 | 苏州仰邦软件科技有限公司 | 一种led镜子屏显示方法及装置 |
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