JP6152020B2 - Device and display system - Google Patents

Description

  The present invention relates to a device that is connected to a video display device and displays video data from a network on the video display device, and a display system configured using this device. Note that the video data includes all types of data that can be displayed on the display device, such as moving images, still images, and text images.

  2. Description of the Related Art In recent years, display systems that display video data using a television as a video display device are known. In this display system, the device that transmits the video data to the television is not led to display.

  In contrast to the display system as described above, there is known a system in which a playback image is automatically displayed on a television screen when a device is turned on.

  In the display system, when the power switch of the electronic album device or the power-on switch of the remote control device is turned on, the electronic album device outputs the image signal of the initial display screen from the image processing circuit, and from the light emitting device to the television. An input switching control signal for switching a TV input to an external input is output to the light receiving unit (Patent Document 1).

JP 2000-350131 A

  In the above, the image data displayed by the electronic album device is only used internally, and is not displayed while appropriately updating from the network. In recent years, there has been a demand for effective advertisement and notification by displaying contents such as guidance and commercials transmitted from a network together with the power on of the television.

  The present invention has been made to meet such a demand, and an object of the present invention is to provide a device that can display various types of video data such as guidance and commercials transmitted from a network together with power-on of a television. That is. Another object of the present invention is to provide a display system configured using such a device.

A device according to the present invention is a device connected to a video display device for displaying video data from a network on the video display device, for storing video data stored in a server sent via the network. and means, the image data stored in the server, along with storing into said memory means regardless of the power-on of the image display device via the network, the power of the video display device and a predetermined number of times on Storage control means for deleting video data stored in the storage means, monitoring means for monitoring whether or not the power of the video display device is turned on, and power being turned on by the monitoring means Is detected, video data to be displayed on the video display device is determined based on whether video data is stored in the storage means. Detecting means for detecting the presence or absence of data, when said detecting means detects that there is video data in the memory means, while sending the input switching request to the image display device, said detection means said memory means When it is detected that there is no video data, the input switching control means for not sending the input switching request, and the video data stored in the storage means when the input switching request is sent. Data transmission means for transmitting to the video display device.

The devices of the present invention, the detection means further contact the connected presence or absence of video data to be displayed on the network server, detecting the presence or absence of video data to be displayed on the video display device based on the inquiry result And storing control means for fetching video data from the server and storing it in the storage means when video data is present due to the inquiry .

  The device according to the present invention has a storage unit for storing video data from a network, and the detection means should display on the video display device based on whether or not video data is stored in the storage means. The presence or absence of video data is detected.

  The device according to the present invention uses a signal according to a predetermined standard including at least a power-on status signal and an input switching request command signal between the video display device and the device, and the monitoring means transmits the signal from the video display device. Monitoring is performed based on a power-on status signal according to the predetermined standard, and the input switching control means transmits an input switching request by a command signal according to the predetermined standard.

  In the device according to the present invention, the predetermined standard is HDMI (registered trademark) -CEC.

  A display system according to the present invention includes an image display device, a server, and the device according to any one of claims 1 to 5.

  In the device according to the present invention, when it is detected that the power source of the video display device is turned on, the presence or absence of video data to be displayed on the video display device is detected. Since the input switching request is sent to the display device and the video data from the network is transmitted to the video display device, the video data from the network is displayed on the video display device when the video display device is turned on. Therefore, it is possible to provide a video image with a strong impression.

  In the device according to the present invention, the detection means inquires about the presence or absence of video data to be displayed on a server connected to the network, and detects the presence or absence of video data to be displayed on the video display device based on the inquiry result. The video to be displayed on the video display device can be obtained from the network and displayed when the video display device power is on, and new guidance and the like can be accurately displayed.

  The device according to the present invention has a storage unit for storing video data from the network, and the detection means should display on the video display device based on whether or not the video data is stored in the storage means. Since the presence / absence of the video data is detected, the video data can be taken in regardless of the power-on of the video display device power supply.

The functional block diagram of embodiment of the device and display system which concern on this invention. The block diagram of embodiment of the device which concerns on this invention. The flowchart for demonstrating operation | movement of the television which comprises the display system which concerns on embodiment of this invention. The flowchart for demonstrating operation | movement of 1st Embodiment of the device which concerns on this invention. The flowchart for demonstrating operation | movement of 2nd Embodiment of the device which concerns on this invention.

  Hereinafter, embodiments of a device and a display system according to the present invention will be described with reference to the accompanying drawings. In the drawings, the same components are denoted by the same reference numerals, and redundant description is omitted. FIG. 1 shows a configuration diagram of an embodiment of a device and a display system according to the present invention. The display system includes a television 10 that is a video display device, an HDMI dongle 20 as a device, and a server 30.

  The HDMI dongle 20 is connected to the HDMI terminal of the television 10 and supplies video data to the television 10, and can be configured as shown in FIG. In the HDMI dongle 20, a storage device 22 having an external storage device 221 that can be configured by eMMC and a main storage device 222 that can be configured by DDR 3 is connected to the processor 21, and the processor 21 is connected to the storage device 22. The configuration of a computer that performs processing using a program stored in the computer is employed.

  A communication interface 23, an HDMI interface 24, and a PMIC (power management IC) 25 are connected to the processor 21. The communication interface 23 is a wireless LAN interface based on Wi-Fi (registered trademark) and an interface for Bluetooth (registered trademark) communication. The HDMI interface 24 is connected to the HDMI terminal of the television 10 by an HDMI cable. The power management IC 25 can charge the battery from both the USB base and the AC adapter base, and performs battery charging and power supply.

  In FIG. 1, the processor 21 and the storage device 22 in the configuration of the HDMI dongle 20 are shown as a control unit 21A and a storage unit 22A. The control unit 21A includes a monitoring unit 71, a detection unit 72, an input switching control unit 73, and a data transmission unit 74. The monitoring unit 71 monitors whether or not the power of the television 10 that is a video display device is turned on. When the monitoring means 71 detects that the power is turned on, the detection means 72 detects the presence or absence of video data to be displayed on the television 10 as the video display device.

  The input switching control means 73 sends an input switching request to the television 10 as the video display device when the detecting means 72 detects the presence of video data. The data transmission means 74 transmits video data from the network to the video display device when an input switching request is sent. Each of the above means is realized by the processor 21 executing the program in the storage device 22.

  As a main configuration of the television 10, a control unit 11, an input switching unit 12, a video display unit 13, and a television operation unit 14 are shown. The video display unit 13 displays video on the screen using video data (video signal) that arrives via the input switching unit 12. The input switching unit 12 switches video data input. Here, the input switching unit 12 indicates switching between the HDMI dongle 20 and the antenna, but other input may be selected.

  The control unit 11 performs switching control of the input switching unit 12 and includes an interface function for connecting to the HDMI dongle 20 by HDMI-CEC. In this embodiment, when the power is turned on by the operation of the power switch of the television 10 or the operation of the remote controller, the control unit 11 receives the power-on signal from the television operation unit 14 and turns on the power of the HDMI-CEC. The ON status is sent to the HDMI dongle 20. When the control unit 11 receives an HDMI-CEC input switching command from the HDMI dongle 20, the control unit 11 controls the input switching unit 12 to select video data sent from the HDMI dongle 20 and display it on the video display unit 13. Works to be done.

  The server 30 receives guidance, commercials, and other video data (contents) from a data registration system 40 that can be configured by a CMS (Content Management System), and holds them for transmission to the HDMI dongle 20. The server 30 exists on the network and is connected to the HDMI dongle 20 via the communication interface 23 of FIG.

  In the display system having the above-described configuration, video data to be displayed on the television 10 which is a video display device when the power of the television 10 is turned on in a predetermined area (referred to as a display waiting area) of the storage unit 22A. The TV 10 can be stored regardless of the power-on state (first embodiment).

  In the first embodiment, as shown in the flowchart shown in FIG. 3, the processing operation by the television 10 is performed, and as shown in the flowchart shown in FIG. 4, the processing operation by the HDMI dongle 20 is performed.

  When the power is turned on by operating the power switch of the television 10 or operating the remote controller, the control unit 11 sends the HDMI-CEC power-on status to the HDMI dongle 20 (S11). On the other hand, in the HDMI dongle 20, the control unit 21A monitors the arrival of the status (S21, S22), and if the status detects that the TV is turned on, the process branches to YES in step S22. Then, it is detected whether or not video data is stored in the display waiting area of the storage unit 22A (S23).

  If NO in step S23, the process is ended. Thereafter, the process starts after a predetermined time, and the process is continued from step S21. On the other hand, if “YES” is determined in the step S23, an HDMI-CEC input switching command is sent to the television 10 (S24), and the video data stored in the display waiting area of the storage unit 22A is further transmitted (S25).

  At this time, the control unit 11 detects the arrival of an input switching command following step S11 in FIG. 3 (S12). Upon receiving the above input switching command, the control unit 11 controls the input switching unit 12 to input. Is switched to the HDMI dongle 20 side (S13). Thereafter, video data transmitted from the HDMI dongle 20 is received, and video display control based on the video data is performed (S14).

  If the process branches to NO in step S23 of FIG. 4, the process ends without performing anything. If no input switching command arrives at step S12 in FIG. 3, for example, normal processing such as input from the antenna side is performed (S15). In step S14 and subsequent steps and in step S15 and subsequent steps, processing proceeds by an operator's operation on the television 10.

  Next, a second embodiment will be described. In this second embodiment, the detecting means 72 inquires of the server 30 connected to the network about the presence or absence of video data to be displayed, and should be displayed on the television 10 which is a video display device based on the inquiry result. The presence or absence of video data is detected.

  In the second embodiment, the processing operation by the television 10 is performed as shown in the flowchart shown in FIG. 3, while the processing operation by the HDMI dongle 20 is performed as shown in the flowchart in FIG.

  When step S11 is executed by the control unit 11 and the control unit 21A of the HDMI dongle 20 branches to YES in step S22, the server 30 is inquired of the presence or absence of video data to be displayed (S31), and the presence or absence of video data is detected ( S32). If branched to YES in step S32, the video data of the server 30 is fetched and stored in the display waiting area of the storage unit 22A (S33). Thereafter, as in the first embodiment, an HDMI-CEC input switching command is sent to the television 10 (S24), and the video data stored in the display waiting area of the storage unit 22A is transmitted (S25). . Since the operation by the control unit 11 of the television 10 corresponding to this is the same as that of the first embodiment, the description thereof is omitted.

  In the first embodiment, the presence or absence of video data to be displayed is detected based on the presence or absence of video data stored in the display waiting area of the storage unit 22A. In the second embodiment, the server 30 is inquired. However, the present invention is not limited to this. For example, the presence or absence of video data to be displayed may be detected by performing both of these. Further, the video data stored in the display waiting area of the storage unit 22A may be deleted after the television power is turned on a predetermined number of times. In the above embodiment, the power-on status signal and the input switching request command signal according to the HDMI-CEC standard are used, but the power-on status signal and the input switching request command signal are used. Any standard including at least the standard can be used without being limited to the HDMI-CEC standard.

DESCRIPTION OF SYMBOLS 10 Television 11 Control part 12 Input switching part 13 Video display part 14 Television operation part 20 HDMI dongle 21 Processor 21A Control part 22 Storage device 22A Storage part 23 Communication interface 24 HDMI interface 30 Server 40 Data registration system 71 Monitoring means 72 Detection means 73 Input switching control means 74 Data transmission means

Claims (5)

In a device connected to a video display device and displaying video data from a network on the video display device,
Storage means for storing video data stored in a server sent via the network;
The video data stored in the server, along with storing into said memory means regardless of the power-on of the image display device via the network, after the power of the image display device is a predetermined times on Storage control means for deleting video data stored in the storage means;
Monitoring means for monitoring whether the video display device is powered on;
Detecting means for detecting presence / absence of video data to be displayed on the video display device based on whether video data is stored in the storage means when the monitoring means detects that the power is turned on; ,
When the detection means detects that there is video data in the storage means, while sending an input switching request to the video display device, the detection means detects that there is no video data in the storage means , Input switching control means for not sending out the input switching request ;
And a data transmission means for transmitting the video data stored in the storage means to the video display device when the input switching request is sent. The detecting means further inquires of a server connected to the network about the presence or absence of video data to be displayed, and detects the presence or absence of video data to be displayed on the video display device based on the inquiry result.
2. The device according to claim 1, further comprising a storage control unit that captures video data from the server and stores the video data in the storage unit when video data is present due to the inquiry. Between the video display device and the device, a signal according to a predetermined standard including at least a power-on status signal and an input switching request command signal is used.
The monitoring means performs monitoring based on a power-on status signal according to the predetermined standard sent from the video display device,
3. The device according to claim 1, wherein the input switching control means sends an input switching request by a command signal according to the predetermined standard.   The device according to claim 3, wherein the predetermined standard is HDMI-CEC. A video display device;
Server,
A display system comprising: the device according to claim 1.

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