JPH0612834A - Method for registering menu in device for reproducing disk information - Google Patents

Abstract

PURPOSE:To provide a method efficient, suitable for a menu and easy for operat ing menu register by performing feature selection and selecting a mode where a picture may be switched instantly and the mode where the picture may not be. CONSTITUTION:When a first mode is selected by a menu key 19a, the picture is switched over from a menu picture to the picture according to the feature selection instantly. On the other hand, when a second mode is selected, the picture is not switched over instantly by the feature selection, the picture is switched over through a menu release whenever the menu key 19a is depressed again. Then, the first mode is made the mode feature-selecting random operation and introduction scan operation, and the second mode is made the mode selecting monitor operation, etc., where no picture had better to be switched over instantly by the feature selection.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a menu registration method in a disc information reproducing apparatus, and more particularly to a menu registration method in a disc information reproducing apparatus having improved operability in menu registration. The disc reproducing device may be a disc reproducing device, or may be a magneto-optical disc reproducing device including a case where a recording device is incorporated.

[0002]

2. Description of the Related Art The structure of a conventional disc information reproducing apparatus is shown in FIG. In the figure, 1 is a disc mounted on a disc holder 2, 3 is a spindle motor for rotating the disc 1, 4 is a drive circuit for the spindle motor 3, and 5 is an optical pickup, which is recorded on the disc 1. This is for irradiating the pits with laser light, detecting the intensity of the reflected light, and reading the recorded signal. 6 is a pickup servo circuit, which is a disk 1
Disc 1 to read the pits recorded above
This is a circuit for automatically adjusting the position of the objective lens of the optical pickup 5 with respect to the disk surface so that the optical pickup 5 is tracked on the track formed above and the focus of the laser light is always aligned with the pit. Reference numeral 7 denotes a preamplifier circuit, which is a circuit for waveform-equalizing the output of the optical pickup 5 and further shaping the waveform.

A data strobe circuit 8 reproduces a clock signal for discriminating between "1" and "0" of the signal output from the video signal separation circuit 21, and extracts the data contained in the video signal. It is a circuit to do. A digital signal processing circuit 9 performs EFM demodulation on the EFM signal separated by the LPF 23, and also performs detection / correction of error data and correction of uncorrectable data.

A D / A converter 10 converts the main data into right channel and left channel analog signals and outputs the analog signals. Reference numeral 11 is a low-pass filter for the right channel for blocking unnecessary noise components other than the audio signal, and 12 is a low-pass filter for the left channel similarly. Reference numeral 13 is a circuit for switching between digital voice and analog voice. Reference numeral 14 is a circuit for demodulating the analog audio signal separated by the BPF 25. 15 is an output amplifier circuit for the right channel provided with a mute function, 16
Is also an output amplifier circuit for the left channel.

Reference numeral 17 denotes a system control circuit composed of a microcomputer, which reads necessary data such as control data from the digital signal processing circuit 9 in accordance with an instruction from the key input section 19 and picks up the servo circuit 6.
Drive circuit of spindle motor 4 or mechanism unit 1
8 is controlled, and the display section 20 displays music numbers, performance times, or operating states, and the key input section 19
Is a circuit for displaying on the CRT device an image reproduced based on the data read from the menu screen or the disc 1 according to the instruction input by operating the menu key 19a.

Reference numeral 21 is a video signal separation circuit, which is a circuit for separating and detecting a high frequency signal corresponding to a video signal from the data read from the disk 1. A video signal demodulation circuit 22 is a circuit for demodulating a video signal from the high frequency signal. Reference numeral 24 is a CRT device for displaying an image by the video signal output from the video signal demodulation circuit.

Next, the operation will be described. When a power switch (not shown) is turned on, the system control circuit 17
The memory is initialized and the optical pickup 5 is set to the initial position. Next, it is determined whether or not the disc 1 is mounted in the disc holder 2, and after waiting for the disc 1 to be mounted, the pickup servo circuit 6 is instructed to perform a focus search. As a result, the spot light emitted from the optical pickup 5 onto the disc 1 converges to a predetermined diameter. When this focus search is completed, the pickup servo circuit 6 is instructed to start the focus servo. The focus servo is for automatically adjusting the objective lens of the optical pickup 5 by moving up and down following the surface deviation of the disk 1.

Next, a spindle kick is instructed to the spindle motor drive circuit 4, and as a result, a drive signal is given to the spindle motor 4 to start the spindle kick. Further, the pickup servo circuit 6 is instructed to turn on the tracking servo. This tracking servo moves the objective lens of the optical pickup 5 in the radial direction so that the spot light follows the track on the disk 1. Further, the spindle motor drive circuit 4 is instructed to turn on the spindle servo. The spindle servo servo-controls the spindle motor 3 at a speed corresponding to the radial position so that the linear velocity or angular velocity of the disk 1 is kept constant.

When the spindle servo is started, the current track information written at the beginning of each block on the disk 1 is read, and the TOC written on the innermost circumference of the disk 1 is read.
Information corresponding to the table of contents of the disk 1 called (Table Of Contents) is searched for and read, and the read information is stored in the memory in the system control circuit 17.

Next, waiting (pause) is performed for a predetermined time, and a command input from the key input unit 19 is waited for. When a command is input from the key input unit 19, processing corresponding to the input command is performed. On the other hand, if there is no command input, the process ends. This command is for instructing a search operation or a play operation, and when it is a command for instructing a search operation, the movement control processing of the optical pickup 5 and the like are performed. In the movement control processing of the optical pickup 5, the target track in which the target data is stored according to the search command input from the key input unit 19 is confirmed by the content of the memory in the system control circuit 17 storing the TOC, and based on this, Optical pickup 5
The number of tracks from the current position to the target track is calculated, and the target track is searched. On the other hand, when the command is a play operation command, it is determined whether the data read from the disk 1 is ROM data, and R
When it is music data or audio data which is not OM data, the audio mute is turned off, and the music data, audio data or video signal read from the disc 1 is reproduced.

FIG. 2 is a flow chart for explaining the operation of menu registration when an image reproduced from the data read from the disc 1 is displayed on the CRT device 24. The operation for menu registration will be described below with reference to this figure. First, when a menu selection instruction is input by the menu key 19a of the key input unit 19 (step S101), the screen 26 shown in FIG.
Is displayed (step S102). Furthermore, the monitor operation, the random operation, which is displayed on the screen 26 shown in FIG.
A desired operation is selected from the intro scan operation and the like (step S103). This feature selection is performed by operating the key of the corresponding number on the numeric keypad (not shown) of the key input unit 19. When, for example, the intro scan operation is selected by this feature selection, the screen is immediately switched to the screen 27 of chapter number "0" shown in FIG. 3 (step S104).

[0012]

In the conventional disc information reproducing apparatus, the menu registration operation when reproducing the video signal read from the disc 1 is shown in the flowchart of FIG. 2, and is selected by the feature selection. Regardless of the type of menu that has been selected, the screen will be switched immediately by performing feature selection. Therefore, when you want to change the feature selection after performing a feature, operate the menu key 19a to re-select the menu. There was the annoyance of displaying the screen and selecting a new feature again. Such troublesomeness is caused when the monitor operation (audio monitor) is selected by the feature selection and the monitored channel is continuously changed between ST (stereo), L (left channel) and R (right channel). Becomes noticeable.

The present invention has been made by paying attention to such a conventional problem, and it is possible to select either a mode in which the screen may be immediately switched by the feature selection or a mode in which it is not. Then, it aims at providing the menu registration method in the disc information reproducing apparatus which can solve the said problem.

[0014]

According to the method of registering a menu in the disc information reproducing apparatus of the present invention, when the data recorded on the disc is reproduced, the menu screen is displayed by operating the menu key and the mode is changed to the menu mode to select the feature. In the method of registering a menu in the disc information reproducing apparatus for performing the above, first switching from the menu screen to the screen corresponding to the feature selection immediately after selecting the feature is performed.
It is possible to select either of the mode 1 and the second mode in which the screen is not switched even after the feature is selected and the screen is switched by canceling the menu by operating the menu key again.

[0015]

In the disc information reproducing apparatus according to the present invention, the first mode in which the menu screen is switched to the screen corresponding to the feature selection immediately after selecting the feature, and the menu key operation which is performed again without switching the screen after the feature selection is performed. Since it is possible to select either the second mode in which the screen is switched by, the feature selection of the menu in which the screen may be switched immediately after the feature selection such as the random operation or the intro scan operation is performed in the first mode described above. The mode selection is performed in the second mode, and it is better not to switch the screen immediately after the feature selection such as the monitor operation in the second mode. Feature selection that is easy to operate can be performed.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. Since the structure of this embodiment is the same as that of FIG. 1, illustration and description thereof will be omitted, and FIG. 1 will be referred to. The menu key 19a of the key input section 19 of this embodiment is configured to perform a cyclic operation, and FIG. 4 shows the cyclic operation of the menu key 19a. The first mode is selected, the menu 2 or the second mode is selected by the second operation, and the menu off or the menu release is selected by the third operation.

FIG. 5 is a flow chart showing the operation of an embodiment of the menu registration method in the disc information reproducing apparatus of the present invention, and the operation will be described below based on this flow chart.

First, it is determined whether or not the mode selected by the menu key 19a is the first mode (step S
1) When the first mode is selected, the first menu screen 31 shown in FIG. 6 is displayed on the CRT device 24 (step S2). Next, the feature selected on the first menu screen is confirmed (step S3), and the screen is switched to the screen 32 corresponding to the selected feature shown in FIG. 6 (step S4).

On the other hand, when it is determined in step S1 that the second mode is selected, the second mode screen 33 shown in FIG. 7 is displayed (step S5). This second here
Feature selection is performed on the mode screen of. In this case, the screen is not switched by the feature selection. Next, the feature selected on the second menu screen is confirmed (step S6), and it is further determined whether the menu key 19a has been pressed again (step S7). If it is determined that the menu key 19a has been pressed, , The menu is turned off, that is, the menu is released,
The screen is switched to the screen 35 shown in FIG. 7 read from the disc (step S8). On the other hand, if it is determined in step S7 that the menu key 19a is not pressed again, the screen is not switched and the process returns to step S6 to wait for the feature selection on the second menu screen. In the screen 34 shown in FIG. 7, the monitor operation is ST on the second menu screen.
It is a screen selected from (stereo) to L (left channel).

As described above, in this embodiment, when the first mode is selected by the menu key 19a, the screen is immediately switched from the menu screen to the screen corresponding to the feature selection, while the second mode is selected. When the menu key 19a is selected, the screen is not immediately switched by the feature selection, but the screen is switched after the menu is released by pressing the menu key 19a again. Therefore, the first mode is a mode for selecting a random operation or an intro scan operation in which the screen may be switched immediately by the feature selection, and the second mode is not the screen is switched immediately by the feature selection. If a mode is selected in which a better monitor operation or the like is selected, a menu registration method with good operability corresponding to each menu can be obtained.

[0021]

According to the menu registration method in the disc information reproducing apparatus of the present invention, the first mode in which the menu screen in which the feature is selected is immediately switched to the screen corresponding to the feature selection by the feature selection, and the feature selection is performed after the feature selection. The screen is not switched, and it is possible to select either the second mode in which the screen is switched by operating the menu key again. For example, the screen is switched immediately after selecting a feature such as random operation or intro scan operation. It is better that the feature selection of the menu is performed in the first mode, and it is better that the screen does not switch immediately after the feature selection such as the monitor operation. The feature selection of the menu is performed in the second mode. By doing so, you can operate efficiently according to each menu. There is an effect that it is possible to perform easy feature selection.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a conventional disc information reproducing apparatus.

FIG. 2 is a flowchart showing an operation of a menu registration method in a conventional disc information reproducing apparatus.

FIG. 3 is an explanatory diagram showing a configuration of a display screen at the time of menu registration in the conventional disc information reproducing apparatus.

FIG. 4 is an explanatory diagram showing a cyclic operation of a menu key in the menu registration method in the disc information reproducing apparatus of the present invention.

FIG. 5 is a flowchart showing an operation of a menu registration method in the disc information reproducing apparatus of the present invention.

FIG. 6 is an explanatory diagram showing a display screen when the first mode is selected in the menu registration method in the disc information reproducing apparatus of the present invention.

FIG. 7 is an explanatory diagram showing a display screen when the second mode is selected in the menu registration method in the disc information reproducing apparatus of the present invention.

[Explanation of symbols]

 1 Disc 19a Menu key

Claims (1)

[Claims] 1. A menu registration method in a disc information reproducing apparatus for displaying a menu screen by operating a menu key to shift to a menu mode and selecting a feature when reproducing data recorded on a disc. Select either the first mode in which the screen is switched to the screen according to the feature selection, or the second mode in which the screen is not switched after the feature is selected and the screen is switched by canceling the menu by operating the menu key again. A method for registering a menu in a disc information reproducing apparatus, which is capable of being performed.