JPS61271681A - Operating mode controller of compact disc player - Google Patents

Abstract

PURPOSE:To use the operation button in common and to attain miniaturization by allowing a CD player to apply storage and read to a memory in response to the operating mode of the CD player. CONSTITUTION:In depressing the operation button 16 of an operation means 1, a mode selection means 6 selects respectively a music selection memory function 7 when the CD player is in the non-reproduction mode and a music selection recall function 8 when the CD player is in the reproduction mode depending on an output of a mode confirming means 5 confirming whether or not the CD player is in the reproduction mode. Thus, the storage or read to the memory 2 is attained.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an operating mode control device for a compact disc player.

Conventional technology In recent years, digitization has progressed even in the field of audio equipment, which has not kept pace with the development of digital technology.
It's called a D player. ) are rapidly becoming popular.

A conventional operation mode control device for a CD player will be described below.

A CD player has several operation modes such as playback, fast forwarding, and song selection, and is controlled. Among these operating modes, CD players have codes such as track number information recorded on the disc, making it easy to randomly select and play desired songs;
This is a major feature of the player.

This random song selection operation involves operating a memory button and a song number designation input button to sequentially record performance song numbers in memory. Additionally, there is a recall function in conjunction with the random song selection function. By pressing the call button, the contents stored in the memory for random song selection are sequentially read out and displayed so that the song selection number, order, etc. can be confirmed.

Equipping a CD player with these functions has made it extremely convenient.

This conventional operation mode control device for each function has operation buttons corresponding to each operation mode.

Problems to be Solved by the Invention However, in recent years, with the advent of multiple CD players, there has been a growing demand for miniaturization, and conventional CD player operation mode control devices require operation buttons for each operation mode. Therefore, the number of operation buttons increases and the area of the operation panel becomes large, which becomes an obstacle to miniaturization.

Furthermore, there is a problem in that the size of the buttons has to be reduced in exchange for an increase in the number of operation buttons, resulting in poor operability.

In view of the above-mentioned problems, the present invention provides an operation mode control device for a CD player that can reduce the number of operation buttons and downsize by using the operation buttons also as operation buttons.

Means for Solving the Problems In order to solve the above problems, when producing a CD according to the present invention,
D mode confirmation means for determining whether the operation mode of the player is playback mode or non-playback mode; a memory; song selection memory means for storing track numbers in said memory; and track numbers stored in said memory. A music selection recall means for sequentially reading out music selection recall means, a display means for displaying the output of the music selection recall means, and an output from the mode confirmation means, and when the output is in a non-playback mode, the music selection memory means is operated, and the output is played back. The apparatus is constructed to include a mode selection means for selecting an operation mode so as to operate the music selection recall means when in the mode.

Operation By the means described above, when the operation button for music selection is inserted, when the CD player is in the non-playback mode, the music selection memory means is operated, the track number is stored in the memory, and the CD player is activated. When the state is in the playback mode, the song selection recall means is operated to read out the song numbers stored in the memory.

Embodiment FIG. 1 is a functional block diagram showing the configuration of an operation mode control device for a CD player in an embodiment of the present invention.

In Figure 1, 1 is one of the operation buttons and memory 2
3 is the state of the CD player operated by the playback operation means 4. 6 is a mode confirmation means for determining the contents stored in the reproduction mode storage means 3; When the output is in the non-playback mode, the music selection memory means to be described later is operated, and when the output is in the playback mode, the music selection recall means to be described later is activated, and 9 is a music selection recall means for sequentially reading out the stored song numbers. This is a display means for displaying the outputs of the memory means 7 and the music selection recall means 8.

FIG. 2 shows an external perspective view of a CD player according to an embodiment of the present invention.

In FIG. 2, 11 is the main body of the CD player, and 12 is a lid attached to the main body 11 so as to be openable and closable.

13 is the power switch, 14 is the playback and pause button, 16
is a stop button, 16 is an operation button that also functions as song selection memory operation and song selection recall operation, 9 is a performance song number,
This is a display means for displaying performance time, etc. Also,
Reference numeral 18 denotes a skip button for specifying a desired song number when operating the song selection memory and for operating a skip playback function.

FIG. 3 is a block diagram showing the configuration of a CD player in one embodiment of the present invention.

21 is a disk, and 22 is a drive motor for driving a turntable on which the disk 21 is placed, and its rotation is controlled by a turntable drive control circuit 23.

A traverse device 24 has an optical pickup 31 for optically extracting data recorded on the disk 21 and moves linearly in the radial direction of the disk 21 under the control of a traverse control circuit 26.

26 is a tracking control circuit for the optical pickup 31;
7 is a focus control circuit.

Reference numeral 28 denotes an operation section, which includes operation buttons 16° and skip button 18, which also function as song selection memory operations and song selection recall operations.
A suppression command for an operation button such as the following is input to the microcomputer 30.

The microcomputer 3o controls the turntable drive control circuit 23, traverse control circuit 26, . A command is sent to the tracking control circuit 26, focus control circuit 27, etc., each control circuit operates based on this command, and the audio digital signal taken out from the civic up 31 is transferred to the digital-to-analog converter 32. The signal is converted into an analog signal by a D/A converter, amplified by an amplifier 33, and reproduced by a speaker 34.

Further, data such as track number information and time information recorded on the disc 21 is taken out by the pickup 24 and input to the microcomputer 3o.

Further, numeral 9 denotes a display means, which displays the performance song number, performance time, memorized song number, etc. by output from the microcomputer 30.

FIG. 4 is a main part of a flowchart showing the operation of the microcomputer of the CD player operation mode control device in one embodiment of the present invention.

FIG. 6 is a diagram showing the display pattern of the display means 9.

The operation will be explained below using the drawings.

First, a case will be described in which a music selection memory operation of a CD player is performed.

First, when the power switch 13 is turned on, the display pattern of the display means 9 is displayed as shown in FIG. 6a, and then information such as the number of songs recorded on the disc is read out and displayed.

Now, let us assume that the desired song numbers are sequentially and randomly stored in memory, such as song number 12, song number 3, and so on.

First, when the skip button 18 is pressed, track number 1 is displayed on the display means 9. Next, when the operation button 1e is pressed, the microcomputer 30 determines that the operation button 16 has been pressed in step 1 shown in FIG. 3, the memory 2 stores that the first song to be performed is song number 1.

Next, the process proceeds to step 4, and the display means 9 makes a display as shown in FIG. This makes it possible to confirm that song number 1 has been stored as the first performance song.

Next, in order to store the second desired song number 3 in the memory 2, the skip button 1B is pressed to display the song number 3 on the display means 9. Then, when the operation button 16 is pressed, the microcomputer 30 executes the step 1 shown in FIG. 4 in the same manner as described above. Step 2
．． Step 3. Step 4 and process sequentially as shown in Figure 5C
The display means 9 performs the display shown in FIG. Thereafter, desired songs can be sequentially stored in the memory 2 by performing similar operations.

Next, a case will be described in which a CD player's song selection recall operation is performed.

Now, when the CD player is in the play mode, when the operation button 16 is pressed, the microcomputer 30 determines in step 1 shown in FIG. 4 that the operation button 16 has been pressed, and proceeds to step 2. In step 2, it is determined that the CD player is currently in playback mode, and the process proceeds to step 6. As a result, the song numbers stored in the memory 2 are sequentially read out, and in step 4, the display means 9 sequentially displays them as shown in FIGS.

In FIG. 6, a display 61 shows the song number, a display 52 shows the playing order, a flashing display 53 shows the number of the song currently being played, and a display 64 shows the song number stored in the memory 2. It is.

As described above, according to this embodiment, when the operation button 16 is pressed, C
The mode confirmation means 6 confirms whether or not the D player is in the playback mode, and depending on the output, the mode selection means e selects the song selection memory function if the CD player is in the non-playback mode, and selects the song selection memory function if the CD player is in the playback mode. Since the song selection recall function is configured to be selected separately, one operation button can be used for song selection memory operation and song selection recall operation, reducing the number of operation buttons and reducing the area of the operation panel. This makes it possible to downsize the player. Furthermore, by reducing the number of operation buttons, the number of parts can be reduced and costs can also be reduced.

As described in detail, according to the present invention, the operation mode of the CD player when the operation button is operated is determined by the mode confirmation means, the operation mode is selected based on the operation mode, and the track number is stored in the memory. It is possible to memorize the track numbers stored in the memory, or to read out and display the track numbers stored in the memory.Therefore, one operation button can be used for two functions, making it possible to create compact and easy-to-operate CDs. Players can be provided.

[Brief explanation of the drawing]

FIG. 1 is a functional block diagram showing the configuration of an operation mode control device for a CD player in an embodiment of the present invention, and FIG. 2 is an external perspective view of the CD player in an embodiment of the present invention.
FIG. 3 is a block diagram showing the configuration of a CD player according to an embodiment of the present invention, and FIG. 4 is a block diagram showing a main part of the operation of a microcomputer of an operation mode control device for a CD player according to an embodiment of the present invention. - Chart diagram, Figure 6a
-e are diagrams showing display patterns of display means in a CD player according to an embodiment of the present invention. 1...Operating means, 2...Memory, 6
. . . Mode confirmation means, 6 . . . Mode selection means, 7 . . . Song selection memory means, 8 . .
... Song selection recall means, 9... Display means. Name of agent: Patent attorney Toshio Nakao and one other person
N Figure 4

Claims (1)

[Claims] an operation section having at least a song selection operation button; a mode confirmation means for determining whether the operation mode of the CD player is a playback mode or a non-playback mode when the song selection operation button is operated; and a memory; A song selection memory means for storing, a song selection recall means for sequentially reading out the song numbers stored in the memory, a display means for displaying the output of the song selection recall means, and an output of the mode confirmation means, so that the output is not played back. An operation mode control device for a compact disc player, comprising mode selection means for selecting an operation mode so as to operate a music selection memory means when the output is in the reproduction mode, and to operate a music selection recall means when the output is in the playback mode. .