JP2009152811A - Video output device, television - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enhance operability, when a video output device performs automatic update. <P>SOLUTION: A liquid crystal television 1 is provided with a receiving section 3, a signal processing section 4, a control section 5, an operation section 6, and a display section 10. The control section 5 is provided with a CPU, a RAM, and a ROM, and various processing is performed by programs recorded in the ROM. For example, the control section 5 performs favorite channel processing 54 and automatic update preprocessing 55. The display section 10, acting as a liquid crystal display section, performs D/A conversion of the output of the processing section 4, and displays an image. The operation section 6 is provided with a remote controller, etc., and sends operation inputs to the control section 5. While the control section 5 executes the channel processing 54, it does not perform update processing, and notifies a user of update information in progress. Update processing is performed after the completion of the processing 54. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a video output device, television software, and data update.

  Conventionally, televisions (display devices) that automatically update software have been put into practical use. In such a television, update data included in a broadcast signal is periodically received, and software is updated based on the update data. This television automatically updates it so that the user can always use it up to date.

Patent Documents 1 to 3 disclose an imaging apparatus and a process management apparatus that update software. In the configurations of Patent Documents 1 and 2, there is a description that the updating of software is stopped at the time of shooting, and when the input operation is received in the configuration of Patent Document 3.
JP 2004-140656 A JP 2006-74505 A JP 2000-66715 A

  However, when the TV automatically displays a setting menu and the user selects an item, the TV has the following problems.

  This will be described with reference to FIG. As shown in the left of FIG. 5, in accordance with a predetermined operation by the user, the television displays a list of channels that the user has registered for preference on an OSD (On Screen Display). At this time, it can be displayed in contrast with the broadcasting station so that the user can easily select the channel. The user selects a channel from the list and views the program of the channel. Also, unnecessary channels are selected from the registered favorite channels and deleted. Here, a bold-line highlighted display 71 indicates the currently selected channel.

  Assume that the TV automatically updates the software immediately before the user selects a channel and tries to delete the channel. As a result, as shown in the right side of FIG. 5, it is assumed that the channel is added third from the top of the item. The position of the highlight display 72 is the third from the top, but does not change, but because the item is added third from the top, the highlighted item changes. At this time, if the user mistakenly confirms the deletion, there is a possibility that an item not intended by the user may be deleted. Here, if you try to avoid this bug and check the match of the menu items before and after the update and move the highlight, etc., compared to managing the position of the highlight in what number from the top Processing becomes complicated. At the same time, there is a possibility that highlight movement unintended for the user may occur. On the other hand, if the user is not informed that the update can be used, the operation is performed using software that has not been updated, which may cause a disadvantage.

  In Patent Literatures 1 to 3, although updating is stopped during imaging or user operation, the user uses a program that is not updated, which may cause a disadvantage.

  It is an object of the present invention to improve operability when automatic updating is performed.

  In order to solve the above problems, the following configuration is provided.

(1) an operation receiving means for outputting an OSD (On Screen Display) and receiving an operation input corresponding to the OSD;
An update means for receiving update data and automatically updating software or data;
In a video output device comprising a signal processing unit for processing a video signal,
The update means suspends the update when the operation input is accepted by the operation accepting means, notifies that there is receivable update data, and updates when the operation input is not accepted. A video output device that performs the update without notifying that data exists.

  According to this configuration, while the OSD (On Screen Display) is output and the operation input corresponding to the OSD is received, for example, while the user is operating the menu, the automatic update is suspended. Accordingly, since the screen is not changed by the user, the user does not make a mistake in the operation. In addition, since the update is notified, the user is not disadvantaged by the suspension of the automatic update.

  On the other hand, while the OSD (On Screen Display) is not output and an operation input is received, for example, while the user is operating the menu, automatic updating is performed, but since the user is not notified one by one, the user is troublesome. Is not forced, and there is no screen change unintended by the user. As described above, according to this configuration, operability can be improved.

(2) The video output device according to claim 1 and a video display unit for displaying the video output by the video output device,
The updating means receives update data included in a television broadcast signal,
The operation accepting unit displays, as the OSD, a menu of a favorite channel registered by the user by the operation accepting unit, and accepts change, deletion, or switching to the selected channel of the selected channel,
When the update means receives the update data of the channel table, the update means suspends the update while the channel menu is displayed, notifies that the update data of the channel table exists, and displays the channel menu. If not, update.

  According to the present invention, the operability of the apparatus can be improved when the video output apparatus automatically updates.

A liquid crystal television (television) that is an embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a perspective view of a liquid crystal television which is an embodiment of the present invention.
The liquid crystal television 1 includes a liquid crystal panel 100, a plurality of liquid crystal drivers 11a and 11b, a U-shaped backlight 13 that emits light from the back side of the display surface of the liquid crystal panel, speakers 21 and 22, a main board 15, and a remote controller. A receiving unit 61 is provided.

  The liquid crystal panel 100 includes two transparent plates, a liquid crystal placed in the transparent plate, a deflection plate stretched on each of the two transparent plates, and a transparent electrode for applying a voltage to the liquid crystal at the position of each pixel. Have Each of the plurality of liquid crystal drivers 11a and 11b includes a D / A converter, and applies a voltage to each pixel according to the color tone of each pixel to be output. The liquid crystal molecules move according to the applied voltage, and the transmittance of light transmitted through the liquid crystal panel 100 changes at the position of this pixel. The liquid crystal panel 100 has signal lines and scanning lines formed therein, and pixels are formed in a matrix corresponding to these. A voltage corresponding to the RGB value to be output is applied from the signal line and held. Each pixel is provided with an electronic switch. This electronic switch is turned on on condition that a voltage is output to the scanning line, and the voltage of the signal line is applied to each pixel. Thereby, each pixel can be selected and a predetermined voltage can be applied. Thereby, the light transmittance of the liquid crystal panel 100 illuminated by the backlight 13 can be changed. Thereby, the liquid crystal panel 100 displays characters and images.

  The backlight 13 is disposed on the back side of the liquid crystal panel and emits light. For example, a cold cathode fluorescent lamp (CCFL) can be used. The light illuminated by the backlight 13 is transmitted through the display surface of the liquid crystal panel 100, but the light transmittance of each pixel is changed by the driver IC, and an image is displayed on the display surface of the liquid crystal panel 100.

  Note that a reflector (not shown) is provided on the back surface of the backlight 13 and reflects light toward the display surface of the liquid crystal panel 100.

  The speakers 21 and 22 emit sound. The remote control receiving unit 23 receives an infrared signal from a remote controller (not shown).

  The main board 15 is provided behind the reflector plate of the backlight 13. The control unit of the main board 15 controls the configuration shown in FIG.

  An internal configuration of the liquid crystal television 1 will be described with reference to FIG. FIG. 2 is a block diagram showing a configuration of a main part of the liquid crystal television which is an embodiment of the present invention. The liquid crystal television 1 includes a receiving unit 3, a signal processing unit 4, a control unit 5, an operation unit 6, and a display unit 10. On the main board 15, the backlight driving circuit 12, the receiving unit 3, the signal processing unit 4, the liquid crystal panel driving circuit 111 of the display unit 10, and the remote control receiving unit 61 of the operation unit 6 are mounted. The receiving unit 3 is connected to the antenna 101 via a connector provided on the back surface of the liquid crystal television 1.

  The antenna 101 receives radio waves and outputs a broadcast signal to the tuner pack. The receiving unit 3 includes a tuner control unit, a tuner pack, a terrestrial digital module, a demodulation circuit, and an error correction circuit. The tuner control unit stores a database (referred to as a channel table) that compares physical channels with virtual channels. The control unit 5 instructs the tuner control unit on the virtual channel, and the tuner control unit instructs the tuner pack on the physical channel corresponding to the virtual channel. The channel table is updated by the automatic update process 56. The tuner pack includes an IF filter, an IF amplifier, and the like. The IF filter (intermediate frequency) passes a signal of a predetermined physical channel instructed from the tuner control unit among broadcast signals. The IF amplifier amplifies this signal. Thus, the tuner pack extracts the broadcast signal of the channel designated by the tuner control unit. Further, the demodulation circuit demodulates the input broadcast signal into digital data TS (transport stream) by OFDM (Orthogonal Frequency Division Multiplexing), and outputs it to the error correction circuit. The error correction circuit corrects error information of the input TS (transport stream) and outputs it to the terrestrial digital module.

  The terrestrial digital module includes a multiplexer and a buffer memory. In the TS, programs of a plurality of virtual channels are transmitted in a format multiplexed by packets. The demultiplexer extracts a packet of one channel among these virtual channels, and stores the data stored in the extracted packet in the buffer memory.

  The signal processing unit 4 includes a decoder 41, an OSD synthesis unit 42, and an adjustment processing unit 43. The decoder 41 reads data stored in the buffer memory in the receiving unit 3 as appropriate. Then, video data and audio data are separated from the read data. The decoder 41 decompresses video data and audio data. The decoder 41 D / A converts the expanded audio data into an analog audio signal, and outputs the analog audio signal to the speakers 21 and 22 via an amplifier (not shown). In addition, the decoder 41 outputs a video signal to the OSD synthesis unit 42.

  The adjustment processing unit 42 adjusts the luminance of the video signal decoded by the decoder 41. Specifically, the adjustment processing unit 42 corrects the value of the RGB layer of the hue to make it appear dark or bright as a whole. For example, the input hue of 0 to 255 gradations can be corrected to make the tone appear dark. The adjustment processing unit 42 also adjusts the aspect ratio and scaling of the video signal.

  The OSD synthesis unit 43 includes a memory for displaying characters, characters, and the like, and uses this memory to synthesize an OSD (On Screen Display). For example, a channel setting menu is displayed in the favorite channel processing 54.

  When a video signal is output from the decoder, the OSD synthesis unit 43 synthesizes this video signal and OSD and outputs the synthesized signal to the output unit 6. Further, the output of the video signal may be prohibited and only the OSD may be output.

  The liquid crystal panel drive circuit 111 includes the liquid crystal drivers 11a and 11b shown in FIG. 1, a buffer memory, a panel clock generation circuit, and the like. The liquid crystal panel drive circuit 111 temporarily stores the video signal output from the OSD synthesis unit 43 in this buffer memory. The panel clock generation circuit generates a panel clock that is an operation clock of the liquid crystal panel 100. The liquid crystal panel drive circuit 111 sequentially extracts the video signals stored in the buffer memory in synchronization with the panel clock and outputs them to the liquid crystal drivers 11a and 11b. The driver IC of the liquid crystal drivers 11a and 11b includes a D / A conversion circuit, and applies a voltage corresponding to a color tone to each pixel from a signal line. The backlight drive circuit 11 generates a high voltage and applies a voltage to the backlight 13.

  The control unit 5 is constituted by a microcomputer, and includes a CPU 51, a RAM 52, and a ROM 53 for storing control data. The control unit 5 controls operations of the receiving unit 3, the signal processing unit 4, the circuit 111 of the display unit 10, and each unit of the circuit 12 based on the input received by the operation unit 6. Further, the ROM of the control unit 9 stores a subroutine for executing the favorite channel processing 54, the automatic update determination processing 55, and the automatic update processing 56.

  The operation unit 6 receives an input for instructing an operation on the apparatus main body. The operation unit 6 includes a power button and a remote control receiving unit 61 that receives a control code for a device main body transmitted from a remote control device (not shown). Thereby, the operation unit 6 receives an input corresponding to the operation key operated by the user, and transmits a code corresponding thereto and a control code received by the remote control reception unit to the control unit 9. For example, channel switching and favorite channel processing 54 are performed.

  Next, the favorite channel process 54 and the automatic update determination process 55 will be described with reference to FIG. In response to an instruction from the remote controller of the operation unit 6, a list of all channels is displayed in contrast with the broadcasting station as shown in a screen 73. While the screen 73 is displayed, the selection is accepted from the operation unit 6. The selected part is highlighted 731 and can be moved with the up and down keys of the remote controller of the operation unit 6. When the user selects a channel and presses a determination button on the remote controller, the control unit 5 registers a favorite channel. With these registered, when the user selects a channel from the favorite channels and presses the enter button, the broadcast of that channel is received and output to the screen. At this time, this menu may remain displayed in front of the broadcast video, or the menu may be deleted and the broadcast video displayed.

  While the screen 73 of the favorite channel process 54 is displayed, the control unit 5 performs the automatic update determination process 55 in parallel and receives the update information. When the OSD (screen 73 or the like) for accepting the user's operation is not displayed, when the update information is received (or when it is detected that there is information to be updated), the channel table is automatically displayed without any instruction from the user. Update. On the other hand, the update is temporarily suspended while the OSD (screen 73 or the like) that accepts the user's operation is displayed. In addition, the user is notified by pop-up that there is update information. The reason why the automatic update is not performed here is to prevent the item of the highlight display 73 selected by the user from being changed unintentionally by the increase / decrease of the item due to the update (the figure of the prior art). 5). However, even if there is update information, if no notification is given, the user cannot receive the benefit of automatic update. Therefore, on a screen 74 after the screen 73, a pop-up 742 of “There is update information. Do you want to update?” Is displayed. Here, when a key operation for whether to update is accepted from the user and the user selects “update”, the menu is updated. As a result, as shown in the screen 75, the channel information is updated. At this time, the highlight display position is returned to the initial state. As a result, the user can know that the user has returned to the initial state and makes a new selection, so that there is little possibility of selecting a different item or channel by mistake. In addition, the liquid crystal television 1 can avoid complicated processing such as comparing the item before update with the item after update and moving the highlight display to the position selected by the user.

  When the user selects “Do not update”, the control unit 5 holds the automatic update process 56 until the preference setting menu ends. When this menu is finished, the process 56 is started. Also in this case, since the automatic update is performed while the user is not operating the menu, the menu is not updated during the operation. In addition, when the menu is displayed after that, the latest menu can be displayed from the beginning, so there is no need to move the highlight display in contrast to the old data, and the processing is not complicated.

  In FIG. 3, the screen 73 is a screen for selecting a user's favorite channel from all channels. However, even when the user has already selected the favorite menu and the unnecessary channel is deleted, the description of the screen 73 described with reference to FIG. 3 can be applied as it is. Even in this case, the menu is automatically updated, and the position of the highlight selected arbitrarily does not change, so that it is not necessary to delete another item by mistake.

  Further, the notification of update information may be limited to a menu related to a menu operated by the user. In this way, updating other than the menu operated by the user has no operational problem, and the user does not need to input whether to update without meaning.

The automatic update determination process 55 described above will be described with reference to the flowchart of FIG.
(ST1) It is determined whether update information related to the liquid crystal television 1 exists. Specifically, update information is selected from the broadcast signal packet, and it is determined whether the update information is related to the liquid crystal television 1. As long as there is no relevant update information (NO in ST1), this process is on standby. When update information is received or detected to be present (YES in ST1), the process moves to ST2.

  (ST2, ST3, ST4) In ST2, it is determined whether the user is operating the menu. For example, it is determined whether the menu operation of the favorite channel processing 54 as shown in FIG. 3 is being performed. If the menu is being operated (YES in ST2), automatic updating is suspended in ST3. In ST4, it is displayed that automatic update can be used or that update is pending. For example, a popup as shown in FIG. 3 is displayed. On the other hand, if the determination in ST2 is negative (NO in ST2), the process moves to ST5. In ST3, a flag indicating that automatic updating is suspended may be stored in the RAM 52 (an external storage unit (not shown) may be provided).

  (ST5) ST5 branches when no operation is received from the user or when a menu is not displayed. In this case, the control unit 5 executes an automatic update process 56.

  In step ST5, the automatic update suspension state (for example, the flag setting) set in ST3 may be released, and the automatic update processing 56 may be executed in response to the released state. When processing is performed in this way, the state of waiting at NO in ST1 can also be set to the automatic update pending state.

  In the description of FIG. 1 described above, the blocks have been separated for each function. However, on implementation, any of these functions may be configured by a system IC in which a plurality of functions are integrated. One block may be divided into a plurality of blocks. For example, the decoder 41 can be included in the terrestrial digital module in implementation. The signal processing unit 4 and the control unit 5 may be a single system IC.

  Further, the liquid crystal panel 100 does not necessarily have to be built in the apparatus main body. Further, the speaker 21 and the speaker 22 are not necessarily built in the apparatus main body. Even in a television set configured to output video signals and audio signals, the liquid crystal panel 100 and speakers may be connected to the outside.

  Although the remote control receiving unit 61 is provided, it is not always necessary, and an operator for inputting to the control unit 5 may be provided in the main body of the liquid crystal television 1. The operation unit 6 may be any operation unit such as a touch panel provided on the liquid crystal panel 100 as long as it can instruct the control unit 5.

  In the description of FIG. 1, the liquid crystal driver 11b arranged in the vertical direction is described as a signal line, and the liquid crystal driver 11a arranged in the horizontal direction is described as a scanning line, but the vertical direction and the horizontal direction may be reversed. In the above description, the liquid crystal television is used. However, any video content can be used as long as video content can be output. For example, a cathode ray tube, a plasma display, an organic EL element, or a projector may be used. In the above, the embodiment of the invention has been described as a television provided with a display. However, the display does not necessarily have to be provided and can be applied as an embodiment of the invention as long as a video signal can be output to another monitor. Further, the display of the screen 74 in FIG. 3 is not necessarily a pop-up, and may be a voice. What is necessary is just to be able to notify a user. As another method, the highlight display indicating that the menu is selected may be displayed by blinking or the like, as long as the selection can be indicated. Furthermore, although the case of the favorite channel processing 54 has been described with reference to FIG. 3, not only channel setting but also setting by a user through some GUI (Graphical User Interface) that accepts operations while displaying a screen guide. The above embodiment can be applied when selecting and determining.

  In ST4, an update prompt may be displayed and the update may be accepted immediately. Further, the user may be prompted to close the GUI menu. In this case, since the process branches to NO in ST2, the control unit 5 immediately starts updating.

It is a perspective view of the liquid crystal television which is embodiment of this invention. It is a block diagram which shows the structure of the principal part of the liquid crystal television which is embodiment of this invention. It is a figure showing the favorite channel process of the liquid crystal television which is embodiment of this invention, and an update determination process. It is a flowchart showing the update determination process of the liquid crystal television which is embodiment of this invention. It is a figure showing the problem in case the television of conventional embodiment updates automatically.

Explanation of symbols

1-liquid crystal television, 10-display unit, 100-liquid crystal panel,
11a, 11b-liquid crystal driver,
111-liquid crystal panel drive circuit, 13-backlight, 15-main board,
12-backlight drive circuit, 21-speaker, 22-speaker,
3-reception unit, 4-signal processing unit, 41-decoder,
42-adjustment processing unit, 43-OSD synthesis unit,
5-control unit, 51-CPU, 52-RAM, 53-ROM,
54-Favorite channel processing, 55-Automatic update determination processing, 56-Automatic update processing,
6-Operation part 61-Remote control receiving part 101-Antenna

Claims (2)

Operation receiving means for outputting an OSD (On Screen Display) and receiving an operation input corresponding to the OSD;
An update means for receiving update data and automatically updating software or data;
In a video output device comprising a signal processing unit for processing a video signal,
The update means suspends the update when the operation input is accepted by the operation accepting means, notifies that there is receivable update data, and updates when the operation input is not accepted. A video output device that performs the update without notifying that data exists. The video output device according to claim 1, and a video display unit that displays the video output by the video output device,
The updating means receives update data included in a television broadcast signal,
The operation accepting unit displays, as the OSD, a menu of a favorite channel registered by the user by the operation accepting unit, and accepts change, deletion, or switching to the selected channel of the selected channel,
When the update means receives the update data of the channel table, the update means suspends the update while the channel menu is displayed, notifies that the update data of the channel table exists, and displays the channel menu. TVs that do not update while not.

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