JP2008107489A - Video display device and television receiver - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a video display device that can function as an alternative means for a paper medium such as a memo pad by preventing received letters and videos from overlapping one another, thereby making it possible for users to take notes while confirming the displayed video contents, and to provide a television receiver. <P>SOLUTION: Regarding the video display device including a receiving means for receiving letter information, a video display area for displaying a video and a letter display area for displaying the received letter are displayed in a state the both areas are adjacent to each other on a display screen, and the display size of the letter display area is decided on the basis of the display size of the video display area for displaying the received video (S102), and when it is decided that the total display size of the video display area and the adjacent letter display area is smaller than a prescribed display size to the display screen (YES at S105), a virtual key with virtual keys arrayed in a margin area generated in the horizontal or the vertical direction of the display screen is displayed (S108). <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a video display device capable of displaying a display screen in a video display region and a character display region for displaying characters received from the outside, and a television receiver including the device.

  Conventionally, when it becomes necessary to take a memo about the content being viewed on a television receiver, the television receiver accepts character information via a dedicated input device, and stores the accepted characters so that a paper medium is stored. An alternative to a notepad has been proposed (for example, Patent Document 1).

In addition, when a television receiver accepts character information, a virtual key is displayed on the display screen of the television receiver without using a dedicated input device, and character information is accepted via the displayed virtual key. (For example, Patent Document 2).
Japanese Utility Model Publication No. 3-28878 JP-A-4-37271

  These have been demanded by the market as an alternative to paper-based notepads in that they can quickly take notes on content being viewed on a television receiver even when there is no paper-based notepad at hand.

  However, in the television receiver described in Patent Document 1, a dedicated device is separately required for inputting character information, and the received characters are displayed so as to overlap the images. It was difficult to take notes while checking the contents, and it was not as convenient as paper-based notepads, so it could not meet market demand as an alternative.

  Furthermore, even in the television receiver described in Patent Document 2, it is necessary to switch the display screen of the television receiver from the video screen to the virtual key display when inputting character information. It is difficult to take notes while confirming, and it is not as convenient as paper-based notepads.

  In the television receiver, since there are many display size standards (for example, resolution or aspect ratio) of the display screen, for example, a television receiver having a display screen with an aspect ratio of 4 to 3 has a ratio of 16 to 9. When an image set to a display size is displayed, a blank area (letterbox) is generated in the vertical direction of the image display area. However, it has been demanded by the market to make effective use of this.

  The present invention has been made in view of such circumstances, and an object of the present invention is to provide a video display device including a reception unit that receives character information, a video display area that displays a video on a display screen, and a received character. By being configured to display the character display area to be displayed in an adjacent display state, it is possible to take notes while confirming the displayed video content without overlapping the received characters and video, An object of the present invention is to provide a video display device and a television receiver which can be used as an alternative to a paper-based memo pad.

  Another object of the present invention is to determine a character display area for displaying characters from the display size of the video display area for displaying received video, and display the total display size of the character display area adjacent to the video display area. When the display size is smaller than the predetermined display size on the screen, the received characters and images are configured by displaying the virtual keys in which the virtual keys are arranged in the blank area generated in the horizontal direction or the vertical direction of the display screen. A video display device and a television receiver that can be used as an alternative to a paper memo pad so that a user can easily take a note while checking the content of the displayed video without overlapping virtual keys. There is.

  In order to solve the above-described problem, a video display device according to the present invention is a video display device that displays video on a display screen. The video display device that receives character information, a video display area that displays video on the display screen, and And a means for displaying a character display area for displaying characters adjacent to each other.

  In addition, the video display device according to the present invention includes a unit that stores a predetermined display size for the display screen, a unit that receives a display size of the video display area, and the character display based on the received display size of the video display area. Means for determining the display size of the area; comparison means for comparing the total display size of the video display area and the character display area with the predetermined display size; as a result of the comparison means, the total display size is the predetermined When the display size is smaller than the display size, the display unit includes a means for displaying a virtual key in a margin area generated in a horizontal direction or a vertical direction on the display screen, and a selection means for selecting the displayed virtual key. Character information corresponding to the selected virtual key is received.

  The video display device according to the present invention is a means for designating display positions of the video display area and the character display area on the display screen when the total display size is smaller than the predetermined display size as a result of the comparison means. It is characterized by providing.

  Further, the video display device according to the present invention is provided with a touch panel for detecting a contact location on the display screen, and the selection means selects a virtual key displayed at the contact location detected by the touch panel. It is characterized by being.

  Further, a television receiver according to the present invention includes the video display device according to the present invention and means for receiving a television signal, generates a video from the received television signal, and generates the generated video as the video display device. It is characterized by being displayed in the video display area.

  In the present invention, since the received characters and video are displayed individually and simultaneously without overlapping on the display screen, the user can take notes while checking the displayed video, and the convenience is impaired. It can be used as an alternative to paper-based notepads. In the present invention, the hardware configuration can be simplified because a virtual key that can be operated by an existing remote control device is used without using a dedicated input device. In the present invention, the virtual key, the received character, and the video are simultaneously displayed independently without overlapping each other on the display screen, so that the user can easily take a note while checking the displayed video. And can be used as an alternative to paper-based notepads without loss of convenience. In the present invention, since a blank area such as a letterbox is used as a virtual key display area, a large amount of information can be displayed on one display screen without switching the screen.

  In the present invention, since the user can take notes while confirming the displayed video, it can be used as an alternative to a paper-based notepad without impairing convenience. Further, according to the present invention, since a hardware configuration can be simplified without requiring a dedicated input device, manufacturing costs can be suppressed. Further, in the present invention, since a lot of information can be displayed on one display screen without switching the screen, it is not necessary to prepare a plurality of display screens, and the cost can be suppressed.

  Hereinafter, a video display device and a television receiver according to the present invention will be described with reference to the drawings illustrating embodiments. FIG. 1 is a schematic diagram showing a configuration of a video display apparatus according to the present invention.

  In FIG. 1, reference numeral 1 denotes a video display device. The video display device 1 includes a video processing unit 10, an audio processing unit 11, an operation unit 12, a ROM 13, a RAM 14, a control unit 15, and a display unit 16. And a communication line 17 connecting them. The television receiver has a configuration in which a tuner 2 or an external storage device 3 is added to the video display device 1 (see FIG. 1).

  The tuner 2 receives the television radio wave received from the broadcasting station via the antenna 2a, selects the received television radio wave, and displays a video signal, an audio signal, and a video display area from the selected television radio wave. The size information is extracted, and the extracted signals are sent to the video processing unit 10 and the audio processing unit 11 of the video display device 1, respectively, and the display size information is sent to the control unit 15.

  The external storage device 3 reads information on the display size of the video signal, the audio signal, and the video display area from a portable recording medium 3a such as a DVD on which content such as animation or home drama is recorded, and the read signals are respectively read. Then, the information is sent to the video processing unit 10 and the audio processing unit 11 of the video display device 1, and the display size information is sent to the control unit 15.

  The video processing unit 10 receives a video signal sent from the tuner 2 or the external storage device 3, converts the received video signal into an RGB signal, and sends it to the control unit 15.

  The audio processing unit 11 receives an audio signal sent from the tuner 2 or the external storage device 3, vibrates the speaker 4 based on the received audio signal, and outputs audio.

  The operation unit 12 receives character information, selection information, display position of the display area, display size of the display area, character information input request, cancellation of the character information input request, and the like, and sends them to the RAM 14 and the control unit 15. The input to the operation unit 12 is not limited to receiving an electric signal generated when the operation button installed on the operation unit 12 is pressed, and electricity generated when the touch panel 12a installed on the surface of the display unit 16 is pressurized. This is performed by receiving a signal or an optical signal emitted from the remote control device 5.

  The ROM 13 stores a display size of the display screen of the display unit 16, a virtual key display program, a character code, and various programs for controlling the video display device 1, and is read out as necessary.

  The RAM 14 is composed of SRAM, flash memory, or the like, receives and stores character information, and is read out as necessary.

  When there is a character information input request from the operation unit 12, the control unit 15 receives the display size of the video display area sent from the tuner 2 or the external storage device 3, and character based on the received display size of the video display area The display size of the display area is determined, and the total display size of the received video display area and the determined character display area is calculated. Further, the coordinates of the four corners of the display area are calculated so that the character display area to be displayed is in a display state adjacent to the video display area.

  Specifically, the control unit 15 reads the display size of the display screen of the display unit 16 from the ROM 13 and compares the read display size of the display screen with the calculated total display size. If the display size is larger than the display screen size, the total display size is reduced to match the display screen display size, and the coordinates are set so that the character display area is adjacent to the video display area based on the reduced total display size. Is calculated. On the other hand, if the total display size is smaller than the display size of the display screen, the margin area generated in the horizontal or vertical direction of the display screen is detected, and the coordinates of the four corners of the detected margin area, video display area, and character display area are calculated. To do. Note that when the display position of the video display area and the character display area sent from the operation unit 12 is received, the control unit 15 calculates coordinates according to the received display position.

  The control unit 15 sends a control signal adjusted so that the RGB signal sent from the video processing unit 10 is within the coordinates of the video display area to the display unit 16. In addition, the control unit 15 reads a character code corresponding to the character information sent from the operation unit 12 from the ROM 13, and displays a control signal adjusted so that the character indicated by the read character code falls within the coordinates of the character display area. 16 In addition, the control unit 15 sends a control signal adjusted so that the virtual key by the display program read from the ROM 13 is within the coordinates of the blank area to the display unit 16. Further, the control unit 15 reverse-displays the virtual key according to the selection information sent from the operation unit 12, reads the character code corresponding to the character information input by the reverse-displayed virtual key from the ROM 13, and the read character code is A control signal adjusted so that the character to be displayed falls within the coordinates of the character display area is sent to the display unit 16.

  The display unit 16 has a display screen in which a video display area or a character display area is configured, and outputs an image by a cathode ray tube method or a liquid crystal method. The display unit 16 develops each pixel according to the control signal sent from the control unit 15 and outputs an image. Further, a touch panel for sending an electrical signal to the operation unit 12 is installed on the display screen of the display unit 16.

  Next, a video display area, a character display area, a margin area, and a virtual key displayed on the display screen of the display unit 16 will be described. 2 and 3 are explanatory diagrams showing display examples of the display screen.

  On the display screen of the display unit 16, a video display area for displaying video and a character display area for displaying characters received via the operation unit 12 are arranged and displayed adjacent to each other. The video display area has four corners according to the coordinates calculated according to the display size information sent from the tuner 2 or the external storage device 3, and the character display area is adjacent to the video display area and fits in the display unit 16. The coordinates of the four corners are calculated and the display size is determined. In the embodiment, the video display area is arranged on the left side and the character display area is arranged on the right side of the display screen of the display unit 16, but they may be switched.

  Further, when the total display size of the adjacent video display area and the character display area is smaller than the display size of the display screen of the display unit 16, for example, a hiragana or a single character of European characters is allocated to the blank area generated on the display screen. Display virtual keys. If all hiragana or European characters cannot be displayed simultaneously, the displayable characters may be scrolled sequentially (see FIG. 2).

  Further, the video display area and the character display area are not limited to being arranged in the middle stage of the display screen (see FIG. 2), but are arranged in the upper stage of the display screen according to the display position of the display area received from the operation unit 12. You may make it (refer FIG. 3). Since the marginal area that occurs in this case is concentrated in the lower part of the display screen, the vertical resolution increases, so hiragana and Western virtual keys are arranged in two stages (see FIG. 3), or virtual keys are arranged in QWERTY array. The virtual keyboard itself may be displayed, or a special keyboard in which virtual keys for each word are arranged in the expected order of the next input may be displayed.

  Next, the procedure of the display process of the video display device 1 according to the present invention will be described. FIG. 4 is a flowchart for explaining the processing procedure of the video display apparatus according to the present invention.

  First, in the video display device 1, when the control unit 15 receives a character information input request from the operation unit 12 while displaying the video received from the video processing unit 10 on the display screen of the display unit 16, The following processing for simultaneous display is started.

  The control unit 15 receives the display size of the video display area sent from the tuner 2 or the external storage device 3 (S101), and determines the display size of the character display area based on the received display size of the video display area (S102). ), The total display size of the received video display area and the determined character display area is calculated (S103). In addition, the control unit 15 reads a predetermined display size for the display screen of the display unit 16 from the ROM 13 (S104), and compares the calculated total display size with the read predetermined display size to calculate the total display size. It is determined whether or not the read size is smaller than the predetermined display size (S105). If it is determined that the size is smaller than the predetermined size (YES in S105), a blank area generated in the horizontal direction or the vertical direction of the display screen is detected ( (S106) The coordinates of the four corners of the detected margin area, video display area, and character display area are calculated (S107).

  The control unit 15 displays the video received from the video processing unit 10 on the display unit 16 so as to fit in the coordinates of the video display area, and so that the virtual key by the display program read from the ROM 13 fits in the coordinates of the blank area. It is displayed on the display unit 16 (S108). Further, the control unit 15 determines whether or not a virtual key has been selected based on the selection information sent from the operation unit 12 (S109). If it is determined that no virtual key has been selected (NO in S109), the selection is made. The determination in step S109 is repeated until it is done.

  On the other hand, when determining that the virtual key has been selected (YES in S109), the control unit 15 reversely displays the virtual key selected by the selection information, and displays a character code corresponding to the character information received by the virtual key. Reading from the ROM 13 (S110), the character indicated by the read character code is displayed on the display unit 16 so as to be within the coordinates of the character display area (S111). In response to the character information storage request received from the operation unit 12, the control unit 15 stores the received character information in the RAM 14 (S112).

  The video display device 1 receives the character information input release request from the control unit 15, thereby ending the display processing and displaying only the video on the display screen of the display unit 16.

  When the control unit 15 of the video display device 1 determines in step S105 that the total display size is not smaller than the read predetermined display size (NO in S105), the video is displayed so as to fit on the display screen of the display unit 16. The coordinates of the four corners of the display area and the character display area are calculated (S113), and the video received from the video processing unit 10 is displayed on the display unit 16 so as to be within the coordinates of the video display area. Is determined (S114). If it is determined that character information is not received (NO in S114), the determination in step S114 is repeated until character information is received.

  On the other hand, if the control unit 15 determines that the character information has been received (YES in S114), the character code corresponding to the character information is read from the ROM 13 (S110), and the character indicated by the read character code is used as the coordinates of the character display area. It is displayed on the display unit 16 so as to fit (S111). In response to the character information storage request received from the operation unit 12, the control unit 15 stores the received character information in the RAM 14 (S112).

  In the video display device 1, when the control unit 15 receives a character information input request cancellation from the operation unit 12, the video display device 1 ends the process of simultaneously displaying video and characters on the display screen of the display unit 16 and displays only the video. .

  In the above-described embodiment, the device including the video display device is described as an example of the television receiver including the tuner 2 or the external storage device 3. However, the present invention is not limited to this, and the video display function connected to the liquid crystal monitor is used. It may be executed by a personal computer having the above or a mobile phone having a liquid crystal monitor and a video display function.

It is a schematic diagram which shows the structure of the video display apparatus concerning this invention. It is explanatory drawing which shows the example of a display of a display screen. It is explanatory drawing which shows the example of a display of a display screen. It is a flowchart explaining the process sequence of the video display apparatus which concerns on this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Image display apparatus 12 Operation part 12a Touch panel 13 ROM
14 RAM
15 Control unit 16 Display unit 2 Tuner

Claims (5)

In a video display device that displays video on a display screen,
Receiving means for receiving text information;
A video display device comprising: a video display area for displaying video on the display screen; and a means for displaying a character display area for displaying received characters adjacent to each other. Means for storing a predetermined display size for the display screen;
Means for receiving a display size of the video display area;
Means for determining the display size of the character display area based on the received display size of the video display area;
A comparison means for comparing a total display size of the video display area and the character display area with the predetermined display size;
Means for displaying a virtual key in a margin area generated in a horizontal direction or a vertical direction of the display screen when the total display size is smaller than the predetermined display size as a result of the comparing means;
A selection means for selecting the displayed virtual key, and
2. The video display apparatus according to claim 1, wherein the reception unit is configured to receive character information corresponding to the virtual key selected by the selection unit.   The apparatus according to claim 2, further comprising means for designating a display position of the video display area and the character display area on the display screen when the total display size is smaller than the predetermined display size as a result of the comparison means. The video display device described. A touch panel for detecting a contact location is provided on the display screen,
The video display device according to claim 2, wherein the selection unit is configured to select a virtual key displayed at a contact location detected by the touch panel. The video display device according to any one of claims 1 to 4,
Means for receiving a television signal,
A television receiver, characterized in that a video is generated from a received television signal and the generated video is displayed in a video display area of the video display device.

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