JPH05130685A - Display device - Google Patents

Abstract

PURPOSE:To provide a display device capable of simultaneously displaying the set states of plural input signals. CONSTITUTION:The display device is constituted of a memory 12 for storing the set status of user selection, a retrieving means 14 for retrieving the set status of user selection in each sort of input signals from the memory 12 and a table display means 9, 5 for displaying the set status of user selection for plural input signals on its screen based upon a table format while applying the retrieved result of the means 14, so that the set states of plural input signals can be simultaneously known.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device for displaying image information such as television broadcast, satellite broadcast, teletext, home video, video disc on a display such as a CRT (cathode ray tube).

[0002]

2. Description of the Related Art In recent years, in display devices such as television receivers (hereinafter referred to as televisions) and video players,
It is often equipped with functions that users themselves can set using a remote control, such as audio adjustment, audio multiplex mode selection, noise reduction on / off, and audio surround mode selection. As a method for the user to know the setting status of such user selection, it is widely practiced to superimpose the setting status of the channel or input signal the user is currently watching on the screen.

A display device having a function of displaying a user's selection state on the screen will be described below with reference to the drawings.

FIG. 7 shows the structure of a conventional display device. In FIG. 7, 1 is an antenna for receiving television broadcast waves, 2 is a television signal receiving circuit for selecting and detecting a television signal of a desired frequency and converting it into a video signal and an audio signal, and 3 is a video signal and an audio signal. A video / audio switching circuit for switching, 4 is an audio output circuit for amplifying and outputting an audio signal, 5 is a speaker, 6 is a luminance amplification / color demodulation circuit for demodulating the video signal and converting it into an RGB signal, and 7 is a signal for displaying characters on the screen. An on-screen display generating circuit for generating a signal, 8 an on-screen display synthesizing / RGB output circuit for synthesizing an on-screen display signal and outputting an RGB signal, 9
Is a CRT display unit, 10 is a remote control receiving circuit for receiving remote control signals, 11 is a microprocessor circuit for controlling each circuit block, 12 is a memory used by the microprocessor circuit 11, and 13 is a control program that the microprocessor circuit 11 follows. It is a program ROM for storing.

A is a video signal input end for inputting a video signal from the outside, b is an audio signal input end for inputting an audio signal from the outside, c is an antenna connection end for inputting a television signal from an antenna, and d is a telerevision signal. Video signal output line of the receiving circuit 2, e is an audio signal output line of the television signal receiving circuit 2, and f is a remote control signal from the microprocessor circuit 11
To the remote control signal input line, g is a channel selection control line for controlling the frequency selected by the television receiving circuit 2, h is a video / audio switching control line for controlling the video / audio switching circuit 3, and i is luminance amplification / color demodulation. An image control line that controls the circuit 6 to adjust the image function such as brightness and hue, j is an audio control line that controls the audio output circuit 4 to adjust the voice, high and low balance, and the like, and k is an on-screen display generation circuit. On-screen display control line for designating characters, colors, display ones, etc. to be displayed on-screen with respect to 1 is a microprocessor circuit 11
Is a bus for accessing the memory 12 and the program ROM 13.

The operation of the display device configured as described above will be described below. The television signal input from the antenna 1 enters the television signal receiving circuit 2, and the signal of the frequency designated by the microprocessor circuit 11 is selected and demodulated to extract the video signal and the audio signal. In the video / audio switching circuit 3, one set of a video and audio signal which is a signal output from the television signal receiving circuit 2 and an external signal input from the video signal input end a and the audio signal input end b is a microprocessor. Select according to the instruction of the circuit 11. Audio output circuit 4 The audio signal from the video / audio switching circuit 3 is amplified and output to the speaker 5. In the audio output circuit 4, audio functions such as volume and sound pitch balance are adjusted in accordance with instructions from the microprocessor circuit 11. The luminance amplification / color demodulation circuit 6 demodulates the video signal from the video / audio switching circuit 3 and converts it into an RGB signal. In the brightness amplification / color demodulation circuit 8, the microprocessor circuit 1
According to the instruction 1, the image functions such as brightness, hue, contrast and sharpness are adjusted. The on-screen display generation circuit 7 generates RGB signals of characters to be displayed on-screen according to an instruction from the microprocessor circuit 11. The on-screen display synthesis / RGB output circuit 8 synthesizes and amplifies the signal from the brightness amplification / color demodulation circuit 8 and the signal from the on-screen display generation circuit 7, and amplifies the CRT display unit 9.
Output to.

The selection operation by the user is performed by the remote controller. The signal from the remote controller is received by the remote controller receiving circuit 10 and input to the microprocessor circuit 11. The microprocessor circuit 11 is a program ROM 1
According to the program of 3, the user's selection is decoded from the remote control signal to control each circuit block. The settings selected by the user are stored in memory 12.

When the user requests to display the current setting status on the CRT display section by operating the remote controller,
The microcomputer processor circuit 11 reads the current setting status from the memory 12 and controls the on-screen display generating circuit 7 to display the current setting status on the CRT display unit 9.

FIG. 8 and FIG. 9 show examples of the display screen of the current setting status. FIG. 8 is a screen for numerically displaying the setting status of user selection for each function of brightness, hue, sharpness, volume, and sound level balance when 12-channel TV broadcasting is selected.
FIG. 9 exemplifies a video player, and is a screen for numerically displaying the setting status of each function when an external signal from the video input terminal a and the audio input terminal b is selected by the video / audio switching circuit 3. ..

[0010]

However, in the above-mentioned configuration, the display screen of the current setting status is for displaying only the setting status of the video and audio functions relating to either the TV broadcast or the external signal. However, there was a problem that it was not possible to know all the setting statuses at once.

In view of the above problems, it is an object of the present invention to provide a display device capable of displaying on-screen the setting status relating to both television broadcasting and external signals.

[0012]

In order to achieve this object, the display device of the present invention searches a memory for storing the setting status of user selection and the setting status of user selection for each type of input signal from the memory. Search means and a list display means for applying the above-mentioned search means to a plurality of input signals and displaying the setting status of the user selection for the plurality of input signals on a screen in a list form.

[0013]

With this configuration, since the setting status of each input signal is displayed on the screen in the form of a list, it becomes possible to know all the setting statuses at once.

[0014]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows a block configuration of a display device according to the first embodiment of the present invention.

In FIG. 1, 1 is an antenna, 2 is a television receiving circuit, 3 is a video / audio switching circuit, 4 is an audio output circuit, 5 is a speaker, 6 is a brightness amplification / color demodulation circuit, and 7 is on-screen display generation. Reference numeral 8 is a circuit, 8 is an on-screen display synthesizing / RGB output circuit, 9 is a CRT display unit, 10 is a remote control receiving circuit, 12 is a memory, a is a video signal input end, b is an audio signal input end, and c is an antenna connection end. , D is a video signal output line, e is an audio signal output line, f is a remote control signal input line, g is a channel selection control line, h is a video / audio switching control line, i
Is a video control line, j is an audio control line, k is an on-screen display control line, l is a bus of a microprocessor circuit, and the above is the same as the configuration of FIG. Reference numeral 11 denotes a microprocessor circuit, which is a search means 14 for searching the memory for the setting status of user selection for each type of input signal.
And a list creation means for creating data for displaying a list of setting statuses of the plurality of input signals by applying the search means to the plurality of input signals. Reference numeral 13 is a program ROM that stores a program that the microprocessor circuit 11 follows.

The operation of one embodiment of the present invention constructed as above will be described below. The display device of this embodiment can basically perform the same operation as the conventional display device of FIG.

When the user requests to display the current setting status on the CRT display section by operating the remote controller,
The microprocessor circuit 11 uses the search means 14 to read the setting statuses for both the television broadcast and the external signal from the memory 12, and uses the list creation means 15 to create the control data to be displayed in the list format. By applying the control data to the on-screen display generation circuit 7 to control it, the setting status of both the television broadcast and the external signal is displayed on the CRT display unit 9 in a list form.

FIG. 2 shows an example of a list display of the current setting status. This is a screen that numerically displays the setting status of user selection for each function of brightness, hue, sharpness, volume, and sound level balance for both TV broadcasting and external signals.

Therefore, the user can know the setting situation for both television broadcasting and external signals by displaying the list display on the screen by operating the remote controller.

As described above, according to the first embodiment of the present invention, the search means 14 for searching the memory for the setting status of the user selection for each type of input signal and the search means for a plurality of input signals are provided. By providing the list creation means 15 for creating data for displaying a list of setting statuses for a plurality of input signals by applying it, the setting statuses for both television broadcasting and external signals can be known at once. ..

In the above embodiment, the type of input signal is
There were only two types of TV broadcasting and external signals, but three or more types are acceptable. Also, each channel of television broadcasting may be treated as a different input type.

FIG. 3 shows a general algorithm of the list display means applicable even when there are three or more kinds of input signals.

FIG. 4 is a diagram showing functional blocks of a display device according to the second embodiment of the present invention. In the second embodiment, the microprocessor circuit 11 includes a setting means 16 for changing the setting status by designating the type of input signal and the setting item of the list display. The display device of the second embodiment of the present invention is the same as the display device of the first embodiment of the present invention shown in FIG. 1 except that the display device is provided with the setting means 16.

FIG. 5 shows the second embodiment of the present invention.
It is an example of a list display screen when the setting status is changed using the setting means 16. FIG. 6 shows an example of remote control keys used for changing the setting status.

By operating the cursor movement key of the remote controller shown in FIG. 6, the cursor in the list shown in FIG. 5 is moved to select the item to be set. Next, the setting key of the remote controller is operated to set the value of the selected item. Therefore, by repeating the same operation, it is possible to change the setting status for both TV broadcasting and external input at once.

As described above, according to the second embodiment of the present invention, the searching means 14 for searching the memory for the setting status of the user selection for each type of input signal and the searching means for a plurality of input signals are provided. List creation means 15 for creating data for applying and displaying a list of setting statuses for a plurality of input signals, and setting means for changing the setting status by specifying the type and setting item of the input signal of the list display. By providing 16, it is possible to collectively change the setting status for both the television broadcast and the external signal.

[0028]

As described above, the present invention relates to a memory for storing the setting status of the user selection, a searching means for searching the setting status of the user selection of the type of the input signal from the memory, and a plurality of input signals. It is possible to know the setting status of a plurality of input signals at a time by providing a list display means for applying the above-mentioned search means and displaying the user-selected setting status of a plurality of input signals on a screen in a list format. it can. Further, by providing the setting means for changing the setting status by designating the type and setting item of the input signal of the list display, the setting status of a plurality of input signals can be collectively changed.

[Brief description of drawings]

FIG. 1 is a functional block diagram showing a display device according to a first embodiment of the present invention.

FIG. 2 is a front view showing an example of a list cost screen in the first embodiment of the present invention.

FIG. 3 is a diagram showing an algorithm of a list display means in one embodiment of the present invention.

FIG. 4 is a functional block diagram showing a display device according to a second embodiment of the present invention.

FIG. 5 is a front view showing an example of a setting status change screen according to the second embodiment of the present invention.

FIG. 6 is a front view showing a remote control key according to a second embodiment of the present invention.

FIG. 7 is a functional block diagram of a conventional display device.

FIG. 8 is a front view showing an example of a display screen of a conventional display device.

FIG. 9 is a front view showing an example of a display screen of a conventional display device.

[Explanation of symbols]

 8 On-screen display synthesizing / RGB output circuit 9 CRT display section 10 Remote control receiving circuit 11 Microprocessor circuit 12 Memory 13 Program ROM 14 Searching means 15 List creating means 16 Setting means

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Claims (4)

[Claims] 1. A memory for storing a setting status of user selection, a search means for searching the setting status of the user selection for each type of input signal from the memory, and a plurality of search means for a plurality of input signals. A display device comprising list display means for displaying the setting status of the user selection of the input signal of (1) on the screen in a list format. 2. A memory for storing the setting status of the user selection, a searching means for searching the setting status of the user selection for each type of input signal from the memory, and a plurality of applying the searching means for a plurality of input signals. List display means for displaying the user-selected setting status of the input signals in the form of a list on the screen, and setting means for changing the setting status by specifying the type and setting item of the input signal of the list display A display device characterized by. 3. A memory for storing the setting status of the user selection, a searching means for searching the setting status of the user selection for each channel from the memory, and a plurality of channels by applying the searching means for a plurality of channels. A display device, comprising: a list display means for displaying the setting status of the user selection in a list format on the screen. 4. A memory for storing the setting status of the user selection, a searching means for searching the setting status of the user selection for each channel from the memory, and a plurality of channels by applying the searching means for a plurality of channels. 2. A display device comprising: a list display means for displaying the user-selected setting status on the screen in a list format; and a setting means for changing the setting status by designating the list display channel and setting items.