JPH07322164A - Television receiver - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a television receiving device capable of displaying a menu image on the screen without using a dedicated switch and preventing the menu image from being continuously displayed on the screen more than necessary. [Structure] A television receiver main body 1 and a position input device 9 for displaying a cursor 12 indicating a screen position of a screen 2 of the television receiver main body 1 are provided, and a signal from the position input device 9 is transmitted. When it is detected, the menu image 8 is displayed on the screen 2. Further, while the menu image 8 is being displayed, the menu image 8 is deleted if the signal from the position input device 9 is not detected for a predetermined time or longer.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention displays on a screen a menu image displaying options for selecting an image to be displayed on the screen and a non-menu image displaying a received image or a reproduced image of a television broadcast. The present invention relates to such a television receiver.

[0002]

2. Description of the Related Art FIG. 4 is a schematic view of a conventional television receiving apparatus including a television receiving apparatus main body and a remote control device, and FIG. 5 is a block diagram showing a configuration of the television receiving apparatus main body. In FIG. 4, a picture tube (CRT) screen 2 is arranged on the front surface of the television receiver main body 1. Below the screen 2, an operation switch group 3 for operating the television receiver main body 1 is arranged,
In the operation switch group 3, a menu display switch 4 that is operated when an operation menu that is an operation item is displayed on the screen is provided. The remote control device 5 for remotely controlling the television receiver body 1 is provided with a remote control switch group 6 for remotely controlling the television receiver body 1. The remote operation switch group 6 is provided with a menu remote display switch 7 that is operated when an operation menu is displayed on the screen. A menu image 8 is displayed on the screen 2 by operating the menu display switch 4 or the menu remote display switch 7.

In FIG. 5, a television signal 200 supplied from an antenna or cable (not shown) is input to a tuner circuit 202 which selects it, amplifies it at a high frequency and converts it into an intermediate frequency signal. The intermediate frequency signal output from the tuner circuit 202 is input to the video detection amplification circuit 203 that generates a composite signal from the intermediate frequency signal. The composite signal output from the video detection / amplification circuit 203 is input to the AV (audio / video) switching circuit 204. This AV switching circuit 204 has a VCR (video cassette recorder).
A reproduction signal 201 output from an external device such as the above is input. The AV switching circuit 204 switches, and the playback signal 201
The signal selected from the composite signal from the video detection / amplification circuit 203 is input to the Y / C separation circuit 205 which separates the luminance signal Y and the color signal C. Y / C separation circuit 205
The luminance signal Y and the color signal C output from
A matrix circuit 20 for generating a primary color signal from the color signal C and the color signal C
Input to 6.

The primary color signal output from the matrix circuit 206 is input to the menu image switching circuit 208, and the menu image switching circuit 208 is input with the menu image signal output from the menu image generating circuit 207. Further, the menu image switching circuit 208 receives the signal from the operation of the menu display switch 4 or the menu remote display switch 7 as input device 21.
The menu image switching circuit 208 is switched by the operation of the menu display switch 4 or the menu remote display switch 7 which is input via 1. The signal output from the menu image switching circuit 208 by being switched to the matrix circuit 206 or the menu image generating circuit 207 side is given to the picture tube (CTR) 210 via the output circuit 209.

Next, the operation of this television receiver will be described. A television signal 200 supplied from an antenna or a cable is selected by a tuner circuit 202, high-frequency amplified, converted into an intermediate frequency signal, and input to a video detection amplification circuit 203. The video detection / amplification circuit 203 demodulates and amplifies the intermediate frequency signal into a composite signal. After the composite signal and the playback signal 201 from an external device such as a VCR are input to the AV switching circuit 204,
By the switching operation of the switching circuit 204, either one of the signals is selected and input to the Y / C separation circuit 205. And Y / C
After being separated into a luminance signal Y and a color signal C by a separation circuit 205, they are converted into primary color signals by a matrix circuit 206,
It is input to the menu image switching circuit 208 together with the primary color signal of the menu image generated by the menu image generating circuit 207.

When the viewer operates the menu display switch 4 or the menu remote display switch 7,
The menu image switching circuit 208 selects whether the primary color signal input to the output circuit 209 is a television reception signal or a reproduction signal or a menu image signal, and the selected signal is input to the output circuit 209, and its output Signal is picture tube 210
The image by the selected signal is displayed on the screen 2 of the picture tube.

Now, for example, when the menu display switch 4 or the menu remote display switch 7 is operated in the state where the television received image is displayed on the screen 2, the menu image switching circuit 208 performs the switching operation and the screen of the picture tube 210. 2, the menu image 8 is displayed as shown in FIG. On the menu image 8, menu items M1, M2, M3, M4 for operating the television receiver main body 1 are displayed. Then, the viewer looks at the menu item and operates the desired operation switch of the operation switch group 3 or the remote operation switch group 6,
Select a desired menu and perform channel selection and so on.
On the contrary, when the menu display switch 4 or the menu remote display switch 7 is operated again while the menu image 8 is displayed on the screen 2, the menu image 8 is erased and the television reception image is displayed on the screen 2. . That is,
Each time the menu display switch 4 or the menu remote control switch 7 is operated, the display state and the non-display state of the menu image 8 are reversed.

[0008]

As described above, the conventional television receiver must be provided with a dedicated menu display switch or menu remote display switch in either the television receiver body or the remote control device. When displaying or erasing a menu image, it is necessary to remove the line of sight from the screen and operate a dedicated menu display switch or menu remote display switch each time.

Further, after the menu display switch or the menu remote display switch is operated, the display state of the menu image is maintained until it is operated again. Therefore, the menu image may be displayed for a long time, and the screen of the picture tube may be displayed. There is a problem that image sticking may occur. Further, when the menu image is displayed, there is a problem that the television received image or the reproduced image may be hidden by the menu image and may be difficult to see or may not be seen.

In view of such a problem, the present invention does not need to provide a dedicated switch operated to display a menu image, and even when the menu image is displayed, it is a television received image or a reproduced image. An object of the present invention is to provide a television receiving device capable of viewing menu images.

[0011]

A television receiving apparatus according to a first aspect of the present invention displays an instruction mark indicating an arbitrary position on the screen on a screen and outputs a signal representing position information indicated by the instruction mark. A position indicating means, a means for determining the presence or absence of a signal from the position indicating means, and a means for displaying a menu image when it is determined that a signal from the position indicating means is present in the non-display state of the menu image. And is configured. The television receiver according to the second aspect of the invention is configured to include a unit for displaying a non-menu image on a part of the menu image displayed on the screen.

[0012]

According to the first aspect of the present invention, when it is determined that the signal from the position indicating means is present while the television reception image is displayed on the screen, the menu image is displayed on the screen. Further, in a state where the menu image is displayed, the menu image is erased when a predetermined time elapses from the time when the viewer's input operation is completed to the next input operation. This eliminates the need for a dedicated switch for displaying the menu image. Further, it is possible to prevent the menu image from being displayed for an unnecessarily long time.

In the second aspect, when the menu image is displayed on the screen, the non-menu image is displayed on a part of the menu image. Also, when the non-menu image is designated by the position designating means, the menu image is erased. This allows
Non-menu images can be seen while displaying menu images. Further, the menu image can be erased by using the position indicating means.

[0014]

The present invention will be described in detail below with reference to the drawings showing the embodiments thereof. FIG. 1 is a block diagram of a television receiver according to the present invention. FIG. 2 is a block diagram showing the configuration of the television receiver main body. In FIG. 1, a picture tube screen 2 for displaying an image is arranged on the front surface of a television receiver body 1. A menu image 8 is displayed on the screen 2 for displaying options for selecting a display image,
In the lower left part of the menu image 8, a child screen section 13 for displaying an image other than the menu image is provided. Also screen 2
A cursor 12 is displayed on the screen. An input position determination switch 10 and a position information input ball 11 are provided on the upper surface of the position input device 9 serving as position indicating means. The position input device 9 can remotely control the television receiver main body 1. The position input device 9 can also be connected to the main body 1 via a cable to control the television receiving device main body 1.

In FIG. 2, a television signal 200 supplied from an antenna or cable (not shown) is input to a tuner circuit 202 which selects it, amplifies it at a high frequency and converts it into an intermediate frequency signal. The intermediate frequency signal output from the tuner circuit 202 is input to the video detection amplification circuit 203 that generates a composite signal from the intermediate frequency signal. The composite signal output from the video detection / amplification circuit 203 is input to the AV (audio / video) switching circuit 204.
A reproduction signal 201 output from an external device such as a VCR (video cassette recorder) is input to the AV switching circuit 204. AV
The switching circuit 204 controls the reproduction signal 201 and the video detection / amplification circuit 203.
The signal switched to the composite signal from the Y / C separation circuit 20 for separating the luminance signal Y and the color signal C
Input to 5. The luminance signal Y and the color signal C output from the Y / C separation circuit 205 are input to a matrix circuit 206 that generates a primary color signal from the luminance signal Y and the color signal C.

The primary color signal output from the matrix circuit 206 is input to an analog / digital converter (hereinafter referred to as A / D converter) 212, and the A / D converted digital signal is input to a video controller 214 which controls an image signal. . The video controller 214 has a built-in counter CNT that measures the display time of the menu image. The video controller 214 can write and read the primary color signals of the television received image or the reproduced image to the video RAM 215.

The menu image signal output from the menu image generation circuit 207 is input to the A / D converter 213.
The digital signal A / D converted by the A / D converter 213 is input to the video controller 214. The position input signal output from the position input device 9 is input to the video controller 214. The signal output from the video controller 214 is input to a digital / analog converter (hereinafter referred to as D / A converter) 216, and the D / A converted analog signal is applied to a picture tube (CRT) 210 via an output circuit 209.

Next, the operation of the television receiver thus constructed will be described with reference to the flowchart of FIG. 3 showing the control contents of the video controller 214. When the television receiver main body 1 is operated, the television signal 200 given from the antenna or the cable is transmitted to the tuner circuit.
When input to 202, it is selected by the tuner circuit 202, is subjected to high frequency amplification, is converted into an intermediate frequency signal, and is input to the video detection amplification circuit 203. Video detection amplification circuit 20
3 demodulates the intermediate frequency signal into a composite signal and amplifies it. The composite signal and the playback signal 201 from an external device such as a VCR are input to the AV switching circuit 204, and one of the signals is selected by the switching operation of the AV switching circuit 204, and the Y / C separation circuit 205 is selected. Is input to.

The Y / C separation circuit 205 separates the luminance signal Y and the chrominance signal C, and the matrix circuit 206 converts them into primary color signals. The primary color signal output from the matrix circuit 206 is digitized by the A / D converter 212. On the other hand, the primary color signal of the menu image output from the menu image generation circuit 207 is digitized by the A / D converter 213. Both signals digitized by the A / D converters 212 and 213 are input to the video controller 214.

When displaying a television received image or a reproduced image, that is, a non-menu image, the video controller 21
Reference numeral 4 denotes the television reception of the primary color signal of the digitized menu image output by the A / D converter 213 and the primary color signal of the digital television reception image or reproduced image output by the A / D converter 212. Only the primary color signals of the image or reproduced image are written to the video RAM 215.

Further, when displaying the menu image, the video controller 214 writes only the menu image primary color signal of the primary color signal of the television received image or the reproduced image and the primary color signal of the menu image to the video RAM 215. .
Further, when displaying a television received image or a reproduced image on the child screen portion 13 in the displayed menu image, the video controller 214 selects a portion of the primary color signal of the menu image corresponding to the child screen portion 13 as a pixel. Is replaced with the primary color signal of the television received image or the reproduced image, which is thinned out, and then combined. Then, the video controller 214 writes the combined primary color signal in the video RAM 215.

Then, the primary color signals written in the video RAM 215 are read out by the video controller 214, and the D / D
After the analog signal is converted by the A converter 216, it is input to the output circuit 209 and the output signal of the output circuit 209 is received by the picture tube.
The image is displayed on the screen 2 of the picture tube 210 by the primary color signals read from the video RAM 215. In addition, a non-menu image that is a television reception image or a playback image,
With the menu image, the video controller 214 detects a signal output by the operation of the position input device 9 by the viewer, and the image switching operation is performed as described below.

Now, by the switching operation of the AV switching circuit 204,
For example, when the output signal of the video detection / amplification circuit 203, which is a television signal, is selected, the primary color signal of the television received image written in the video RAM 215 is read to display the non-menu image as the television received image on the screen. Display on 2 (S1). Then, in the state where the image is displayed in this manner, the viewer inputs the input position switch 10 of the position input device 9.
When is operated, the signal output by the operation is input to the video controller 214. Subsequently, the video controller 214 determines whether or not the signal from the position input device 9 is input, that is, whether or not the signal is detected, and only the television reception image is displayed until the signal is input.

When it is determined that the signal from the position input device 9 is input, the menu image 8 and the cursor 12 are displayed on the screen 2 (S3), and the sub-screen portion 13 provided in the menu image 8 is displayed. , Displays the received television image that was displayed immediately before. As a result, the viewer confirms the television reception image displayed on the sub-screen unit 13 and uses the position input device 9 to select one of the menus M1, M2, M3, and M4 displayed on the menu image 8. Select the menu of and perform operations such as channel selection.

Further, the counter CNT built in the video controller 214 is reset at the same time as the menu image 8 is displayed (S4), the count value is set to "0", and the reset counter CNT immediately starts the counting operation. Yes (S
Five). After the counter CNT starts the counting operation, it is determined whether or not a signal is input from the position input device 9 within a period until X seconds have elapsed (S6), and when it is determined that the signal is input, the signal is displayed in the menu image 8 It is determined whether or not the child screen unit 13 provided therein is designated (S7). When it is determined that the child screen portion 13 in the menu image 8 is designated,
The menu image 8 and the cursor 12 are erased (S8), and only the television reception image, that is, the non-menu image is displayed on the screen 2 (S9).

If it is determined in step (S7) that the child screen portion 13 is not instructed, the counter CNT is reset again (S4) and the counting operation is started again (S4).
Five). After the counter operation is started, it is determined whether or not the signal from the signal input device 9 is input (S6), it is determined that the signal is not input, and then it is determined whether or not the counter CNT clocks X seconds. If it is determined (S7) and it is determined that X seconds have been timed,
The menu image 8 and the cursor 12 are erased (S8), and the television receiving image is displayed on the screen 2 (S9). Here, it is desirable to set the predetermined time X seconds in advance, or from experience, select about 10 seconds. The predetermined time X may be changed.

In the present embodiment, the position information input by the position input device 9 is performed by operating the ball, but it may be performed by operating the cross key or the joystick. Further, in the present embodiment, the case where the television received image and the menu image are switched has been described, but the same effect can be obtained when the reproduced image output by the VCR or the like is displayed instead of the television received image. The menu image generation circuit 207 and the A / D converter 213 may not be built in the television receiver main body 1 but may be built in an external device such as a VCR.

[0028]

As described above in detail, according to the first invention,
When the non-menu image is displayed on the screen and it is determined that the signal from the position indicating means is present, the menu image is displayed on the screen. Therefore, it is not necessary to search for a dedicated switch for displaying a menu image from the switch group of the television receiver body or the remote control device as in the conventional case. Therefore, it is possible to perform an intuitive operation without removing the line of sight from the screen, excellent visibility and operability, and it is necessary to provide a dedicated switch for displaying the menu image on both the television receiver main body and the remote control device. Therefore, these devices can be provided at low cost.

When the menu image is displayed,
If the signal from the position indicating means is not determined to exist until the predetermined time has elapsed from the time when the previous input operation was completed, the menu image is deleted when the predetermined time has elapsed, so the menu image is displayed for a long time. No image is displayed, and image sticking on the screen of the picture tube can be prevented.

According to the second aspect of the invention, when the menu image is displayed, the non-menu image is displayed on the sub-screen portion provided in a part of the menu image, so that the viewer operates while seeing the menu image. You can even see non-menu images. Also, when the menu image is displayed,
The menu image can be erased by a signal from the position instructing means for designating a non-menu image provided in a part of the menu image, so that it is not necessary to search to operate the switch for erasing the menu image, and intuitive operation is possible. And excellent effects such as excellent visibility and operability.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a television receiving device according to the present invention.

FIG. 2 is a block diagram showing a configuration of a television receiver main body according to the present invention.

FIG. 3 is a flowchart showing the control contents of the video controller.

FIG. 4 is a configuration diagram of a conventional television receiving device.

FIG. 5 is a block diagram showing a configuration of a conventional television receiving apparatus main body.

[Explanation of symbols]

1 TV receiver main unit, 2 screens, 8 menu images, 9 position input device, 13 sub screens.

Claims (4)

[Claims] 1. A television receiving apparatus configured to display a menu image for displaying options for selecting an image to be displayed on the screen and a non-menu image for designating an arbitrary position within the screen. A position indicating means for displaying an indication mark on the screen and outputting a signal indicating position information indicated by the indication mark, a means for discriminating presence / absence of a signal from the position indicating means, and a menu image are displayed. A television receiver comprising: means for displaying a menu image when it is determined that there is a signal from the position indicating means in the absence. 2. In the state where the menu image is displayed,
Time counting means for timing the elapsed time from the time when the input operation from the input means including the position indicating means is finished to the next input operation, and means for erasing the menu image when the time counting means measures a predetermined time The television receiver according to claim 1, further comprising: 3. In a television receiving device configured to display a menu image for displaying options for selecting images to be displayed on the screen and a non-menu image, a part of the menu image displayed on the screen is displayed. A television receiver comprising means for displaying a non-menu image. 4. A menu image when a non-menu image is instructed by a position instructing unit that displays an instruction mark for instructing an arbitrary position in the screen on the screen and outputs a signal indicating position information instructed by the instructing mark. The television receiving apparatus according to claim 3, further comprising means for erasing.