JPS6050785A - Operating method of on-vehicle dad player - Google Patents

Abstract

PURPOSE:To select the 1st pause for a temporary stop or the 2nd pause for a long-time stop only with a pause button, and restart reproducing an ejected disk at a reproduction interruption position, by providing a storage circuit and a pause function. CONSTITUTION:The same track on the disk is traced repeatedly with the pause button 22c and the 1st pause operation is performed for a short-time. When the play button 22a is turned on in this pause operation, the 1st pause is reset and the reproduction is restarted at the trace position. When the pause button is further turned on during the 1st pause, the rotation of the disk is stopped and a pickup is returned to an initial position to store disk information in RAM23. Then, the end of writing and storage to RAM32 is displayed on an indicator 24. When a play button 22a is turned on during the 2nd pause for a long- time stop, the 2nd pause is reset and a reproduction interruption address is read out of RAM32 and the reproduction is restarted at this position.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a method for operating a DAD player for a vehicle, particularly for a vehicle in which playback of a digital audio sub-disc can be started from the position where playback was interrupted previously. This relates to the operating force method for DΔD players.

BACKGROUND TECHNOLOGY Digital audio discs (OΔV) have an extremely good combination compared to conventional methods such as vinyl discs, 1.1-power 12-tape discs, etc. In recent years, in-vehicle DAD discs have been developed that allow the disc to be played back in the car, as it has excellent features such as being able to obtain i and accessing the desired location on the disc in a short time. The development and practical application of the technology is progressing.

This DΔD play V is generally a device exclusively for playing discs, and it does not have a recording function like a tape deck.

For this reason, a 4T pause function is usually provided to temporarily stop the disc playback operation midway through.

However, the driving environment of the vehicle is constantly changing, such as when driving through a tunnel where the vehicle is required to receive certain radio broadcasts, or when the vehicle is temporarily stopped to perform certain errands. For this reason, it is preferable that a DAD player used for a vehicle be able to perform a pause operation that temporarily stops the disc playback operation in the middle.

In addition, the DAD player must first edit the disc from 1 to
If this happens, the pickup used for playback will return to its initial position, so that when playing the same disc again 1α, it is difficult to start playback from the position where the previous playback was interrupted.

Therefore, when this J:UifDΔII-71 No AI is used for a vehicle, playback of the disc will always start from the beginning, and for example, during limited time such as commuting time, disc 1 will be played. There has been a desire for an effective IT countermeasure for situations where it is not possible to record music, etc., that has been recorded on the computer.

Purpose of the Invention The present invention has attempted to solve the problem of the conventional technology. Rewriting a disc that was tampered with during playback 41
Vehicle rll capable of starting playback of the disc from the position where playback was interrupted last time when yaw = l-
The purpose is to provide a method for operating the ADP1/7.

Structure of the Invention In order to achieve the above object, the method of the present invention (;E1 de 3
- By operating the pause button during playback of a digital audio disc, a first pause operation consisting of a series of steps of stopping audio output and tracing the same part of the playback disc is performed, and the playback is performed during the first pause operation. By operating the button, the playback of the playback disc is restarted from the trace position, and by operating the pause button during the first pause operation, the disc playback operation is stopped, and the identification data of the playback disc and the playback interruption address are displayed. Perform a second pause operation consisting of a series of steps of writing to memory and powering off the player power, and by operating the play button during the second pause operation, the playback of the playback disc is stored in the memory. By restarting playback from the address position where the playback was interrupted and operating the pause button during the second pause operation, a series of
When a termination operation consisting of a culm is performed and a disk is loaded into the player again after the termination operation, if the disk matches the identification data stored in the memory, the reproduction of the loaded disk is changed to the reproduction stored in the memory. Starting from the middle 5-4-off address position, 1. In Case of,
The present invention is characterized in that playback of the installed disc is started from the beginning of the disc.

With the above configuration, according to the second aspect of the present invention, when the driver operates the pause button during disk playback, a pause operation is performed to temporarily stop the disk playback; Thereafter, by operating the button 1, it becomes possible to resume playing the disc.

Further, according to the present invention, it is possible to selectively perform a first pause operation in which the disk playback operation is stopped for a relatively short time and a second pause operation in which the disk playback operation is stopped for a long time. becomes.

Further, according to the present invention, by operating the pause button three times in succession, the identification data of the playback disc and the playback interruption data are written into the memory. When playing a disc, it is possible to start playing the disc from the playback interruption address position stored in memory. becomes.

As a result, the driver can listen to the music recorded on the second half of the disc evenly, even during a limited riding time such as commuting.

Example Next, preferred embodiments of the present invention will be described based on the drawings.

FIG. 1 shows a commonly used digital audio disc (DAD), in which a lead-in section 100 at the center of the disc contains identification data unique to the disc, the number of recorded songs, the address of the beginning of a famous song, etc. is stored as a digital signal. Predetermined music information is written and stored in the spiral 1 to rack A of the lead-in part provided outside the lead-in part 100 using digital signals. By reading the information using optical means, it is possible to output the music information written and stored on the disc as audio.

FIG. 2 shows a preferred embodiment of a vehicle DAD player to which the method of the present invention is applied. It is composed of a power supply circuit 12 to be driven, a control circuit 14, and a reproduction mechanism 16.

Here, the operation panel 10 is generally easy to operate by the driver.For example, the operation panel 10 is provided near the console box of the vehicle, and the operation panel 10 includes a power switch 20 and a predetermined function. A key arrangement 22, an indicator 24, and a display section 26 are provided.
It is being Here, function key layout 2
2 includes a button 22a, a button 22a, a button 22b, a pause button 22G, and other operation buttons, and the play 17 is operated by operating each of these buttons.

In addition, the power switch 20 is turned on when the 16-disc sensor 28 detects that a disc is inserted into the player at step 1, and electrically connects the battery power supply and the power supply circuit 12.

7- The power supply circuit 12 is activated by this, converts the input from the battery power source into a predetermined voltage, and applies the voltage to the operation panel 10. The signals are supplied to the control circuit 14 and the reproduction mechanism 16, respectively.

The control circuit 14 also includes a CPU 30 and a RAM 32, and a function key array 22 on the operation panel 10.
Based on the operation and the signal from the reproducing mechanism 16, the reproducing mechanism 16 is controlled according to the flowchart shown in FIG.

Then, the identification data of the reproduction disc and the reproduction interruption address are written and stored in the RAM 32.

Here, the playback interruption address represents the playback interruption position of the playback disc, and can be easily identified by the pickup position immediately after playback of the playback disc is interrupted, or the elapsed playing time from the beginning of the disc until the playback is interrupted. is possible.

Furthermore, this control circuit 14 displays the state in which the disc is being played, for example, the display section 2 of the operation panel 10, in accordance with the information input from the playback mechanism 16.
6.

The reproduction mechanism 16 of the embodiment is based on the control signal from the control 11f1 circuit 14? (2) It is configured to drive the rotation of the disc, control the position of the pickup, process signals extracted from the pickup data, etc., and output the γ' and signal values of the reproduced disc from a speaker (not shown).

Also, in the playback mechanism 1G, there is a disk j'! that detects the attachment of a disk to the knob 17. N1 No. 28 is established (-)
The disc sensor (J-2fl) detects the attachment of a disc to the player and controls the operation panel 10.
Turn on the upper power switch 20.

FIG. 3 shows a preferred embodiment of the method of operating the vehicle DAD 11 according to the present invention.

In this embodiment, when a disc is first inserted into the player, the disc sensor 28 detects this and the power switch 2 is turned on.
0 is turned on and the player is controlled to a clear reproduction state.

In this playback timing state, when the driver turns on the play button 22a of the operation panel 10, the player starts playing the recorded content from the beginning of the disc unless any disc information is written and stored in the RAM 32. . This disc playback operation continues endlessly unless any button is operated.

While playing this disc, the driver presses this pause button 22c.
When turned on, the CPU 30 controls the playback mechanism 16,
The audio output of the player is stopped, and the pickup performs a first pause operation in which the pickup repeatedly traces the same track on the playback disc, as shown by the bold line B in FIG.

When the driver turns on the play button 22a during this first pause operation, the first pause operation is canceled and the player moves the disc from the tracing location, that is, the track position B where the pickup was tracing. Resume playback.

As described above, according to the present invention, the first pause operation that stops the disc playback operation is performed by operating the pause button 22c, and the first pause action is canceled and the disc playback operation is restarted by turning on the play button. Therefore, if it is necessary to temporarily stop the disc playback operation, it is mandatory to receive an internal transmission, for example.
This is suitable when the vehicle is traveling in a tunnel marked by + or -J, or when the vehicle is stopped at -I) for predetermined errands, etc.

However, on the other hand, if this first pause operation (or disk rotation drive) consumes a lot of power, if the disk playback operation is stopped for a long time, it is necessary to use a separate power supply. 1i1' uphill? The reason for this is appropriate and proper.

It is preferable to stop the disc playback operation for such a long time by performing the second pause operation described below.

In other words, according to the present invention, when the pause button is further turned on during the first pause operation, the CP tJ 30 changes the current playback disc to the II! button as described below. 1'? A second pause operation is performed, which consists of a series of steps including storing the disk information into the RAM 32.

11- That is, first, the rotation of the disc is stopped, the pickup is returned to the initial position, and the disc reproducing operation is stopped.

Second, disc information consisting of the identification data of the reproduced disc and the reproduction interruption address is loaded into the RAM 32 and stored.

Third, the indicator 24 is turned on to indicate that the writing and storage of disk information into the RΔM 32 has been completed.

Fourth, the player power is automatically turned off, leaving backup power to the RAM 32 and indicator 24.

The second pause operation, which consists of a series of steps 1 to 4 described below, is actually performed in a predetermined short time from the time when the pause button 22C is turned on.

Then, when the driver turns on the brake button 22a during this second pause operation, the second pause operation is canceled, and the player reads out the already stored playback interrupt address from the RAM 32, and reads the playback interrupt address from the RAM 32. Installing the disk from its position 12- Re-installing the disk 1. Avoid restarting. Then, after the reproduction of the disc is started, the disc information written and stored in the RAM 32 is cleared and the indicator 'r-/I2/1 is turned off.

As described above, according to the present invention, by operating the pause button 22c twice in succession during disc playback, the second button stops the disc playback operation with the player power turned off.
After that, press the play button 22a.
The disc playback operation can be restarted from the interrupted position by operating the Tn. This is extremely suitable when you want to listen to other audio If, for example, FM broadcast, while driving.

Further, according to the present invention, when the pause button is further turned on during the second pause operation, the CPU 30 controls the playback mechanism 16 and performs a series of steps such as removing the playback disc and turning off the player power source. Performs termination action.

After this termination operation, when the disc is loaded into the player again, the disc sensor 28 detects this and turns on the power switch 20 to control the player to the playback position.

Then, in this playing position state, the driver presses the play button 22a.
When turned on, the CPU 30 reads the identification data of the attached disk from the mounted disk board portion 100 and determines whether the read data matches the identification data of the disk written and stored in the RAM 32.

As a result of this determination, if it is determined that the loaded disks are the same, the playback interruption address already stored is read from the RAM 32, and playback of the loaded disk is started from this playback interruption address position. do. After the playback of the loaded disc is started, the disc information written and stored in the RAM 32 is cleared and the indicator 24 is turned off.

Also, the identification data read from the attached disk is stored in the RAM.
If the identification data does not match the identification data already written and stored in the CPU 32, the CPU 30 starts playing the loaded disc from the beginning of the disc.

As described above, according to the present invention, it is possible to restart the reproduction of a disc that was ejected during the previous performance from the position where the reproduction was interrupted, and it is possible to listen to the music recorded on the disc evenly.

Further, according to the present invention, when the eject button 22b is turned on during a disc playback operation, the CPU 30 activates the control circuit 1.
6, and performs a termination operation consisting of a series of steps described below.

That is, first, the disc playback operation is stopped.

Second, the disk information in the RAM 32 is cleared.

Third, the indicator 24 is turned off.

Fourth, eject the playback disc.

Fifth, power off the player.゛Also, the first
When the button 22h is turned on for Ijiek 1 during the pause operation, the ending operation consisting of the first to fifth steps is performed, and during the second pose operation, the Ijieku 1 is turned on.
When button 221] is turned on, the second to fifth buttons are turned on.
A termination operation consisting of the steps is performed.

The above series of termination operations [;12, after the eject chain 22h is turned on, the operation is terminated in a predetermined short time.

Therefore, according to the present invention, when the driver ejects a disc currently being played or a disc currently in a pause operation, if the driver determines that there is no need to write and store the disc information of the disc in the RAM 32; All that is required is to turn on the eject button 22b.

As described above, according to the present invention, the disc being played can be ejected by operating the eject chain 22b or by operating the pause button 22c three times in succession, and the driver can eject the disc at any time as necessary. It is also possible to eject the following.

Further, in the above embodiment, the RAM 32 is the disk 1
Although the iR description is based on the assumption that only the disc information for a plurality of discs can be stored in the memory 1, the present invention is not limited to this. - It is also effective in cases where it is possible to do so.

In addition, in this embodiment, when the 11 button is turned on in the playback mode with the -j-' disk attached to the disk A7, the disk playback operation is started.
); (As mentioned above, the present invention is not limited to this. For example, the disc sensor (I-28, 1)') Automatically reloads the disc! + ('+
It is also possible to start 11 to 4 (4 to 4).

As described in detail, the present invention 1. The first pause operation temporarily stops the disk playback operation by simply operating the pause button during T'isk playback, and the second pause operation stops the disk playback operation for a long time. It is possible to selectively perform the second pose action.

Further, according to the present invention, in the case where a disc that has already been ejected is to be played back 1σ, the playback of the disc can be resumed from the playback interruption address position where the playback was interrupted last time. It becomes possible to listen to music recorded on the same disc evenly.

[Brief explanation of drawings]

FIG. 1 is a schematic explanatory diagram of a digital audio disc, FIG. 2 is a block diagram showing a preferred embodiment of a vehicle DAD player to which the method of the present invention is applied, and FIG. 3 is a preferred implementation of the method of the present invention. FIG. 3 is a flowchart diagram illustrating an example. 22a... Play button, 22G... Pause button, 32... RAM. Agent: Patent attorney: Kenji Yoshida (1 other person) ζ, #Fz Most Sukhane Katana - TND off Power tank student 4705 TOP Ne student - 11 voice sales - ・Noge 9 Kawa -) U1. (lND off) 1. -X. 1N Kaisho 6O-50785 (7)

Claims (1)

[Claims] (1) During playback of a digital audio disc (by operating the J-pause button, the first pause operation is performed, which consists of a series of steps of stopping audio output and tracing the same part of the playback disc, and By operating the play button during operation, the playback of the playback disc is resumed from the trace position, and by operating the pause button during the first pause operation, the disc playback operation is stopped and restarted.1:
Perform a second pause operation consisting of a series of steps such as writing and storing the disc identification data and playback interruption address in the memory, and powering off the player power supply, and operate the play button during the second pause operation. By this, playback of the playback disc can be restarted from the playback interrupted at 1 no. 1 no 1
7 Is it a series of steps to power off the power supply? Execute the ending motion, and complete the previous model 1! When a disk is attached to the player again for the end action role, if the disk matches the identification data stored in the memory, the playback of the attached disk is interrupted at the same level as the one stored in the memory. Start from
In other cases, playback of the installed disc starts from the beginning of the disc 1) A D
How to operate the player.