JPH1155593A - Receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To smoothly perform the reduction and expansion of a television image that is currently viewed at the time of using two images and to prevent an image from being overlooked by changing the size of an image that is now shown on a screen from a 1st size to a 2nd size with time. SOLUTION: When an image of a selected television channel is shown in a full image on a display, if an access window button of a remote control is pressed one time, a television image 50 starts reduction and an icon display area 100 starts to open. And when four icons are shown, the reduction of the image 50 stops. The reduction of the image 50 continuously progresses for this time and a television program that is viewed by a user can be smoothly shown. A shown image has an aspect ratio of three to four. When the access window button is pressed again, the reduction of the television image 50 is resumed, the area 100 appears completely. In this image, ten icons are shown and the image 50 has an aspect ratio of three to four.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a receiving apparatus for displaying, on a display of a television receiving apparatus, an icon for selecting a character information program and program contents, in addition to the broadcast video being viewed.

[0002]

2. Description of the Related Art There has been proposed a television receiver which displays a text broadcast program or the like and an icon for selecting the broadcast program in addition to a broadcast video on a display of the television receiver.

[0003]

For example, in digital broadcasting and the like, various types of character information can be simultaneously transmitted together with digitized video and audio signals. The information to be transmitted includes programs of various genres, such as news, weather forecast, stock market conditions, and sports programs.

[0004] A user performs an operation of selecting various programs to be provided and displaying them on a display. With this operation, the television image being viewed is reduced on the display screen, and the display position also moves. If the reduction or movement of the image is performed instantaneously, the user may overlook the image being viewed or may have difficulty in tracking.

The present invention relates to a receiving apparatus having a function of displaying a television broadcast image, a teletext display screen and an icon screen for selecting a broadcast program on one display screen and displaying them on two screens, When using two screens, the TV image being viewed can be smoothly reduced and enlarged to make it easier for the user to follow the screen to prevent oversight and the like. It is intended to provide a receiving device having a function that can be set.

[0006]

According to the present invention, there is provided a receiving apparatus in which the size of an image displayed on a screen changes from a first size to a second size with time in response to a command. It is.
The second size of the image has an aspect ratio of 3 to 4. In addition, the reduction of the image from the first size to the second size is performed by making the horizontal direction of the image m fields before the nth root of (3/4) and changing the horizontal direction more than the horizontal change. After a predetermined time delay, the image is reduced in the horizontal and vertical directions by a factor of (2/3) nth root.

[0007] Similarly, from the first size of the image to the second size
Is enlarged by multiplying the horizontal direction of the image m fields before by the nth root of (4/3), and delaying the horizontal direction by a predetermined time from the change in the horizontal direction, so that (3/3) in the horizontal and vertical directions. /
2) It is magnified by the nth root times. m and n are m = 1 to 3, and n = (the number of fields passing from the first size to the second size) / m.

[0008] The receiving device of the present invention has a function of displaying the image when the image being displayed on the screen is reduced from the first size to the second size in response to the command.
This icon displays teletext, and the display devices of the two icons specified among the icons being displayed are switched with each other in accordance with the operation of the remote controller. Further, guidance for an operation related to the replacement of the icons is displayed on a screen, and display contents of the guidance are switched according to an operation step for the replacement.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In addition to displaying a television image in full size on a display screen, a receiving apparatus according to the present invention provides a television image on a part of the screen and a text broadcast selection on another part. It has a function of displaying items (hereinafter, referred to as “icons”) and contents of teletext.

FIG. 1 is an explanatory view showing a display screen on a display 10 of a receiving apparatus 1 according to the present invention. The display apparatus 10 displays an image 50 of a television signal on the display 10 and an area 100 for displaying selection items. Is provided.

FIG. 2 shows a case where a television image 50 (a region for displaying a television image) and a region 150 for displaying the contents of teletext are displayed on the screen 10. TV picture 5
Below 0, an icon 160 for controlling teletext is prepared. In an area 100 for displaying a selection item, ten icons 101 to 110 indicating the selection item are displayed.

The icon 101 selects a sports program, the icon 102 selects a news program, and the icon 103 selects a cooking program. Icon 104 and Icon 108
Is an icon prepared for a program selected by the user. Icon 105 is a stock program, icon 106 is an event program, icon 107 is a horse racing program, icon 1
09 is a weather forecast program, and the icon 110 is for selecting a lottery program.

FIG. 3 is an explanatory diagram showing an operation section of a remote controller (remote controller) used in the receiving apparatus of the present invention. The remote controller 200 includes a power button 201, an input switching button 202, a button group 203 for sound deletion and the like, a button group 204 for CS broadcasting, a button group 20 for multi-screen control.
6, a cross cursor button 210 is provided.

The cross cursor button 210 has a cursor up button 211, a cursor down button 212, a cursor left button 213, and a cursor right button 214, and operates a cursor on the screen. In order to determine the content of the icon selected by the cursor, a determination button 215 is provided at the center.
Is prepared. An access window button 220 and a volume control button 230 are also provided. In addition to the channel button group 240 for the terrestrial broadcast station, a satellite channel selection button group 250 and the like are provided.

When the upper cover 208 of the remote controller 200 is opened, a menu button 260 shown in FIG. 4 appears. Pressing the access window button 220 of the remote control switches to the screen of FIG. The selection of the icon is operated using the cursor button 210. Button 211,
By pressing 212, 213, 214, the cursor moves up, down, left and right, and moves to each icon.

Next, a description will be given of a processing procedure for enlarging and reducing an image and for calling an icon screen, a character information screen, and the like in the receiving apparatus. FIG. 5 is a flowchart of the process. When the power of the receiving apparatus is turned on in step S10, step S1
The image of the television channel selected in 1 is displayed on the display as a full image. When the access window button 220 of the remote controller 200 is pressed once in step S12, the television image 50 starts reducing in step S13, and the icon display area starts to open. Step S14
Then, four icons are displayed in the icon display area, and the reduction of the image 50 is stopped. During this time, the reduction of the image progresses continuously, and the television program being viewed by the user can be smoothly displayed. The image displayed in step S14 has an aspect ratio of 3: 4.

When the access window button 220 is pressed again in step S15, the reduction of the television image 50 is restarted in step S16, and the icon display area 100 completely appears in step S17. On this screen, ten icons are displayed, and the TV image 50 has an aspect ratio of 3
It becomes four. When a specific icon is selected using the cursor button 210 and the enter button of the remote controller 200 in step S18, the enlargement of the television image 50 is started in step S19, and in step S20, the television image 50 is enlarged to the full screen.

When the reduction of the television image 50 is started in step S21, the text broadcast screen 150 selected by the icon appears in the margin of the image. This teletext screen 150
Is used in such a manner that a screen prepared in advance on the back side of the television screen appears.

In step S22, the teletext program 150 appears completely, and the reduction of the television broadcast image 50 ends. During this time, enlargement and reduction of the image are continuously performed, and the user is not hindered from watching the television program. Further, the reduced image has an aspect ratio of 3: 4. Step S
At 23, the control icon 16 is displayed below the television image.
A 0 appears and continues to the next step, indicated by A.

In FIG. 6, a step S30 displays a screen similar to the step S23 in the previous figure. Step S3
In step 1, when the user selects the “return to TV” control icon using the cursor button and the enter button,
In step S32, the enlargement of the television image starts. In step S33, the television image returns to the full image. When "select information" of the control icon is selected in step S41, enlargement of the television image starts in step S42, and returns to the full image in step S43. Further, the display of the icon area starts in step S44, the icon is displayed in step S45, and the process returns from step C to step S14.

When the control icon "Full screen" is selected in step S51, the teletext screen starts to be enlarged in step S52, and the television image starts to be erased. In step S54, the entire screen is used for teletext. When the cursor button is pressed in step S56, the window of the control icon 160 is opened in step S57.

When "return to television" among the control icons is selected by the cursor button and the enter button in step S61, the process returns to the full image of the television in step S62, and proceeds to step S11.

When "select information" of the control icon is selected in step S71, an icon for selecting a teletext program appears in step S72, and the process returns to step S14. When "return to two screens" is selected in step S81, the screen of the television image and the text broadcast is switched to two in step S82.
It is displayed on the screen and returns to step S30.

FIG. 7 is a block diagram showing a configuration of a video signal enlargement / compression circuit 40 provided in the receiving apparatus of the present invention. The compression interpolation filter includes a latch circuit 411, a subtractor 412, a coefficient unit 413, and an adder 414. 42
0 is a compression ratio control circuit, which controls the compression ratio. In this embodiment, the compression ratio is an optimal value for reducing a screen having an aspect ratio of 16: 9 to a reduced screen having the same ratio of 4: 3, for example, 3/4 nth root times in the horizontal direction and in the vertical direction. It is set to 2/3 times the nth root. n is the number of fields at the time of reducing the first screen to the reduced screen by k (for example, 16 to 2).
0), the field interval for performing the reduction process is m (for example, 1 to
When 3) is set, the value is set equal to k / m. For example, when performing the reduction process every two fields over 16 fields, n becomes 8 at 16/2. Note that k is synonymous with the time required for sequentially reducing the screen. Memory circuit 4
30 is arranged on the output side of the interpolation filter 410 for compression,
An interpolation filter 440 for enlargement is provided on the output side of the memory circuit 430.
Is arranged.

The enlargement interpolation filter 440 includes a latch circuit 441, a subtractor 442, a coefficient unit 443, and an adder 444. Reference numeral 470 denotes an enlargement ratio control circuit that controls the enlargement ratio. This enlargement ratio is set to an optimum value for enlarging the reduced screen having the aspect ratio of 4: 3 back to the original screen having the same ratio of 16: 9. For example, the horizontal direction is set to the above n-th root multiple of 4/3, and the vertical direction is set to the n-th root multiple of 3/2. The video input signal is supplied from an input terminal 401, subjected to compression and enlargement processing, and sent out from an output terminal 402 to the synthesizing unit 24.

Next, in the receiving apparatus of the present invention, the arrangement of icons (information buttons) can be changed to a position desired by the user. Hereinafter, the operation procedure will be described. When the cover 208 of the remote control 200 is opened, a menu button appears.

FIG. 8 shows a menu screen displayed on the display 10 when the menu button 208 is pressed.
When "Information button replacement" on the screen is selected with the cursor button 210 of the remote controller 200 and the enter button 215 is pressed, the screen display of FIG. 9 is displayed. On this screen, ten icons 101 to 110 are displayed in the icon display area 100.
Is displayed. As described with reference to FIG. 1, each icon corresponds to a teletext program.

Next, the button 107 of the "horse racing program" and the button 1 of the "cooking program" arranged by the user in the initial state.
The operation of replacing 03 will be described. First, as shown in FIG.
7 and press the enter button 215. By this operation, the display is switched to a state where the button 107 is pressed as shown in FIG. At the same time, the guidance on the screen switches from “select a button to move and press OK” to “select a destination and press OK”.

Therefore, as shown in FIG. 12, the cursor button 210 is operated to move the cursor to the destination button 103. Here, when the enter button 215 is pressed, FIG.
, The icon 103 is also switched to the display in a pressed state.

By this operation, the replacement of the arrangement positions of the icons 103 and 107 is completed as shown in FIG. Since the cursor is set at the position of the icon 107, the operation of changing the position of the icon 107 and replacing it with the position of another icon can be continued.
By pressing the menu button 260, the process of replacing the positions of the icons is completed. Using this function, the user can arrange the icons in a desired arrangement.

[0031]

As described above, the present invention relates to a receiving apparatus for displaying text program information and the like in addition to a broadcast video currently being viewed on a display, wherein a full-screen television image being viewed is displayed on two screens. When the image is reduced to one of them, the image is continuously reduced, so that the user can easily track the image and prevent the image from being overlooked. The reduced image has an aspect ratio set to 3 to 4, making the image easy to see. Similarly, at the time of enlargement, the image is continuously enlarged, and an image that is easy for the user to see is provided.

When a user gives a command using a remote controller when receiving a teletext, an icon screen for program selection appears on the back of the TV image to be reduced as prepared in advance. The icons are displayed in a two-stage operation according to the frequency of use. In the operation of the first stage, only four icons are displayed, and the reduction of the television image is reduced accordingly. All ten icons are displayed by the operation of the second stage. In this receiving apparatus, the user can exchange the arrangement of the icons for the text program. Therefore, operability is improved by inserting icons of frequently used programs into the four icons displayed first.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing a screen display of a receiving device of the present invention.

FIG. 2 is an explanatory diagram showing a display of a selected text program.

FIG. 3 is an explanatory diagram showing operation buttons of a remote controller used for the receiving device of the present invention.

FIG. 4 is an explanatory diagram showing operation buttons of a remote controller used for the receiving device of the present invention.

FIG. 5 is a flowchart of a screen operation process of the receiving device of the present invention.

FIG. 6 is a flowchart of a screen operation process of the receiving apparatus of the present invention.

FIG. 7 is a block diagram showing a part of the circuit of the receiving device of the present invention.

FIG. 8 is an explanatory diagram of a menu screen.

FIG. 9 is an explanatory diagram of a process of exchanging text program selection icons.

FIG. 10 is an explanatory diagram of a process of exchanging text program selection icons.

FIG. 11 is an explanatory diagram of a process of exchanging text program selection icons.

FIG. 12 is an explanatory diagram of a process of exchanging text program selection icons.

FIG. 13 is an explanatory diagram of a process of exchanging text program selection icons.

FIG. 14 is an explanatory diagram of a process of exchanging text program selection icons.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Receiving apparatus 10 Display 50 Broadcast image 101-110 Icon 151 Character information 200 Remote control 210 Cross cursor button 220 Access window button

Continuing on the front page (72) Inventor Tadashi Sube 1-280 Higashi Koikekubo, Kokubunji-shi, Tokyo Inside the Hitachi, Ltd.Design Research Laboratories (72) Inventor Gen Nagai 1-280 Higashi Koikekubo, Kokubunji-shi, Tokyo Hitachi, Ltd. Design Research Co., Ltd. In-house (72) Inventor Tadahiro Yamaguchi 1-280 Higashi Koikekubo, Kokubunji-shi, Tokyo Inside Hitachi, Ltd.Design Research Institute, Inc. (72) Inventor Junichi Takesue 292, Yoshida-cho, Totsuka-ku, Yokohama-shi, Kanagawa Prefecture In-house Hitachi Image Information System (72) Inventor Yue Kobayashi 292 Yoshida-cho, Totsuka-ku, Yokohama-shi, Kanagawa Prefecture Inside the Video Information Media Division, Hitachi, Ltd. (72) Inventor Maki Furui 292 Yoshida-cho, Totsuka-ku, Yokohama-shi, Kanagawa Prefecture Hitachi, Ltd. (72) Inventor: Toshiyuki Kurita 292, Yoshida-cho, Totsuka-ku, Yokohama

Claims (10)

[Claims] 1. A receiving device in which the size of an image displayed on a screen changes with time from a first size to a second size in response to a command. 2. The receiving apparatus according to claim 1, wherein an aspect ratio of the second size of the image is 3 to 4. 3. The method of reducing the image from the first size to the second size comprises: setting the horizontal direction of the image m fields before to (3/4) times the nth root; 2. The receiving apparatus according to claim 1, wherein the receiving apparatus is delayed by a predetermined time from the change and reduced in the horizontal and vertical directions by a factor of (2/3) nth root. 4. Enlarging the image from the first size to the second size is to make the horizontal direction of the image m fields ago times (4/3) times the nth root, and 2. The receiving apparatus according to claim 1, wherein the receiving apparatus is delayed by a predetermined time from the change, and is expanded in the horizontal and vertical directions by a factor of (3/2) nth root. 5. The receiving apparatus according to claim 3, wherein m = 1 to 3, and n = (the number of fields passing from the first size to the second size) / m. 6. In response to the command, when the image being displayed on the screen is reduced from a first size to a second size, an icon is displayed in an area of the screen where the image is not displayed. Item 7. The receiving device according to Item 1. 7. The receiving device according to claim 6, wherein the icon displays a text broadcast. 8. The receiving device according to claim 6, wherein the display devices of the two icons specified among the icons being displayed are exchanged with each other in response to an operation of the remote controller. 9. The receiving apparatus according to claim 8, wherein guidance for an operation related to the replacement of the icons is displayed on a screen. 10. The receiving apparatus according to claim 9, wherein display contents of said guidance are switched in accordance with an operation step for said replacement.