JP2941027B2 - On-screen display device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an on-screen display device for a video device such as a television receiver and a video.

2. Description of the Related Art At present, on-screen display character generators are used in almost all video equipment such as television receivers and videos, and this is one of the important features of these video equipment. The display patterns, colors, display positions, and the like emphasize the originality of each maker, and the maker decides. As for the display color, a method of changing the color of the channel display pattern has been considered as a means for transmitting information such as stereo / monaural of the audio multiplex signal to the user.

FIG. 5 is a block diagram of a conventional on-screen display device. In FIG. 5, a remote control transmitter (hereinafter referred to as a remote controller) 1 remotely controls channel selection and the like in a television receiver. Non-volatile memory 2 for storing display information such as characters, patterns, colors and display positions of on-screen display such as tuning information
Is connected to a voltage synthesizer microcomputer (hereinafter, referred to as a V / S microcomputer) 3 as a microcontroller, and displays display information of an on-screen display to a V / S.
S Input to microcomputer 3. The V / S microcomputer 3 includes an on-screen display circuit (hereinafter referred to as an OSD circuit) 4 such as a character generator for displaying display information such as characters, character colors, and display positions of the on-screen display on a screen. Digital-to-analog converter circuit (hereinafter D /
OSD circuit 4
Has a function of displaying on-screen display information input from the non-volatile memory 2 on a screen based on a control signal from a user using the remote controller 1. Also, V /
The D / A converter circuit 5 of the S microcomputer 3 is connected to the tuner 6 and has a function of selecting a channel by a channel selection control signal from the user using the remote controller 1.

According to the above configuration, the user operates the remote controller 1 to transmit a tuning control signal to the television receiver, and the television receiver receives the signal. As a result, the tuning control signal from the user is input to the V / S microcomputer 3, and the V / S microcomputer 3 reads the on-screen display information of the tuning information from the non-volatile memory 2 and executes the V / S microcomputer. 3 OSD circuit 4 displays this on the screen.
The D / A converter circuit 5 of the / S microcomputer 3 controls the tuner 6 to select a station.

However, in the above-described conventional configuration, the user is forced to press the unique characters, character patterns, colors, and display positions provided by the maker ignoring the user's preference. For example, there is a problem that a user who wants to display English as a character type on the display screen rather than Japanese cannot select it, and cannot change the display color even if the user does not like the display color. ing.

The present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to provide an on-screen display device in which on-screen display information such as characters, character patterns, colors, and display positions can be selected according to a user's preference. Is what you do.

Means for Solving the Problems To solve the above problems, the on-screen display device of the present invention is a character desired by the user, a pattern or its color, and to perform on-screen display by the display position, the characters, A mode setting means for setting a display selection mode in which on-screen display information of a pattern, its color, and a display position can be set; and, when the display setting mode is set by the mode setting means, a user selects a display. Display selection menu screen display means for displaying a display selection menu on the screen, a storage unit for previously storing a plurality of on-screen display information of characters, patterns, colors thereof, and display positions at the time of on-screen display; The screen display setting signal specified by the user selection based on the selection menu screen Than,
A determination unit configured to select and set on-screen display information desired by the user from a plurality of display information stored in the storage unit, and display the user-selected on-screen display information set by the determination unit on the display selection menu screen A display unit to be displayed on the top, when the display setting mode is set by the mode setting unit, the display selection menu screen display unit displays a selection menu of characters, patterns and colors thereof, and a display position on a screen, Based on a selection menu on the displayed screen, a desired character, a pattern, its color, and a display position are selected by a remote control signal or a key input signal generated in response to a user operation, and designated by the selection. On-screen display information corresponding to the screen display setting signal is displayed on the screen via the display unit, and There the set on-screen display of the desired character, in which to be able to pattern and its color, and the display is changed to the position on-screen display.

Operation With the above-described configuration, display information such as characters, patterns, colors, and display positions of on-screen display, each of which is stored in the storage unit, by a screen display setting signal from the user such as a remote control signal or a key input signal. Since the display unit selects and sets the display information desired by the user via the display unit, the on-screen display information can be easily displayed according to the user's preference. This eliminates the inconvenience of unilaterally determining the on-screen display information on the manufacturer side and pressing it on the user.

Embodiment Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram of an on-screen display device showing an embodiment of the present invention, and those having the same functions and effects as those of the conventional example are denoted by the same reference numerals and description thereof will be omitted.
In FIG. 1, the remote controller 11 has an on-screen display selection key in addition to a channel selection key and the like, and transmits an on-screen display selection code to the television receiver by operating the on-screen display selection key. A non-volatile memory 12 that stores a plurality of display information such as on-screen display characters, character patterns and colors, and display positions, such as tuning information, is connected to a V / S microcomputer 13, and stores the on-screen display information in a V / S Input to microcomputer 13. V / S microcomputer
13 OSD to display on-screen display information on the screen
Circuit 4, a D / A converter circuit 5 for channel selection, and on-screen display information desired by the user from a plurality of on-screen display information stored in the nonvolatile memory 12 in accordance with a screen display setting signal from the user. And a determination unit 14 for selecting and setting the selection.

The operation of the above configuration will be described below. First, the user operates an on-screen display selection key of the remote controller 11 to transmit an on-screen display selection code to the television receiver, and the television receiver receives the code. As a result, the screen display setting signal from the user is input to the V / S main controller 13, and the V / S microcomputer 13 pre-stores the nonvolatile memory 1
The user selects and sets desired on-screen display information desired from the on-screen display information prepared in 2, and the OSD circuit 4 of the V / S microcomputer 13 displays this on the screen. Note that the screen display setting signal from the user is
Key input of a television receiver or the like in addition to the remote control signal by the user.

Next, a control example of software of a V / S microcomputer as a microcontroller in a channel selection system of a television receiver will be described. First, the user makes a selection and setting on a "display selection menu" screen as shown in FIG.
The on-screen display desired by the user as shown in FIG. In other words, the user can use the "display selection menu" screen shown in FIG. 2 (a) to display "channel number position", "channel number color", "message type (Japanese / English)", "message Five items of "color" and "color of digital-analog converter bar (hereinafter referred to as DAC bar)" can be selected and set according to the user's desired preference.

The algorithm in this selection mode is shown in FIG. In FIG. 3, the color flag 1 is a channel number color, the color flag 2 is a message color, and the color flag 3 is a software flag indicating a DAC bar color. A position flag indicating the position of the channel number is expressed by a position flag, and a type indicating the type of message (Japanese / English) is expressed by a language flag. In the flowchart of FIG. 3, a series of selection settings are performed. When the on-screen display is selected and set, the on-screen display is performed in accordance with the setting. In FIG. 2B, the position of the channel number is at the upper left, its color is yellow, and the type of message is This shows a screen in which the color is green in Japanese and the color of the DAC bar is blue. FIG. 2 (c) shows a screen in which the channel number position is at the upper right, the color is green, the message type is English and the color is green, and the DAC bar color is cyan. ing.

FIG. 4 shows an algorithm of the above display. In FIG. 4, the position and color of the channel number are determined by the position flag and the color flag 1 in step 21, and the channel number is displayed in step 22. Further, in step 23, the language flag determines whether the message type is Japanese or English, and in step 24, the color of the message is determined by the color flag 2,
In step 25, a message is displayed on the screen. Further, in step 26, the color of the DAC bar is determined by the color flag 3, and in step 27, the DAC bar is displayed.

As described above, the present invention can be easily realized by such a channel selection system using the V / S microcomputer 11.
In other words, the point of the present invention is what kind of software and character generator patterns for controlling this system are stored in a ROM (read only memory). At present, large-capacity ROMs are provided at low cost.
Even if ROM increases or character generator patterns of on-screen display information are abundant, on-screen display according to user's desired preference can be performed with almost no increase in cost even if ROM increases. .

Advantageous Effects of the Invention As described above, according to the present invention, display information such as characters, patterns, colors, and display positions of on-screen display has been unilaterally determined by the manufacturer in the past. The on-screen display information according to the preference can be easily selected and displayed, and the effect on the market is significant.

[Brief description of the drawings]

FIG. 1 is a block diagram of an on-screen display device showing one embodiment of the present invention, and FIG. 2 (a) shows a menu display screen for performing display selection in an on-screen display method showing one embodiment of the present invention. FIGS. 2 (b) and 2 (c) show examples of a display screen set by the user on the menu display screen of FIG. 2 (a), respectively, and FIG. 3 shows a screen for realizing the same display selection. FIG. 4 is a flowchart showing a display algorithm for implementing the display selection, and FIG. 5 is a block diagram of a conventional on-screen display device. 4... OSD circuit, 12... Non-volatile memory, 13... V / S microcomputer, 14...

Claims (1)

(57) [Claims] In order to perform on-screen display according to a character, pattern, color, and display position desired by a user, on-screen display information of the character, pattern, color, and display position is set. Mode setting means for setting a display selection mode, and display selection menu screen display means for displaying a display selection menu for a user to select a display when the display setting mode is set by the mode setting means, Characters at the time of on-screen display, a pattern and its color, and a storage unit for storing a plurality of on-screen display information of the display position, respectively, by a screen display setting signal instructed by user selection based on the display selection menu screen, The user desires from the plurality of display information stored in the storage unit. A determination unit for selecting and setting on-screen display information; and a display unit for displaying on-screen display information of a user selection set by the determination unit on the display selection menu screen, and displayed by the mode setting unit. When the selection mode is set, a selection menu of characters, patterns, their colors, and display positions is displayed on the screen by the display selection menu screen display means, and based on the displayed selection menu on the screen, a user operation is performed. A desired character, a pattern, its color, and a display position are selected by a remote control signal or a key input signal generated in response thereto, and on-screen display information corresponding to a screen display setting signal designated by the selection is displayed via a display unit. Display on the screen, and display the on-screen display set by the manufacturer on the desired characters, patterns, their colors, It has to be able to on-screen display to change to a fine display position on-screen display device according to claim.