JPH09190674A - Optical disk player - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an optical disk player which reduces the number of indication keys and eliminates misoperations. SOLUTION: When an instruction for switching operation mode by the use of an instruction key 63 is given during the play of music, the effect is detected, and the time is checked using a five-second timer circuit 23. When an instruction with an up-instruction key 65 or a down-instruction key 66 is given during the above time check, the player is controlled at the manual search mode condition in which high-speed play is made for searching a part of music while the instruction is being applied. When an instruction is made by an up-instruction key 65 or a down-instruction key 66 in the condition where it is not instructed to switch operation during the play of music, the skip mode condition in the instructed direction is brought about, and this condition is continued while the above instruction is held.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical disc player, and more particularly, to an optical disc player capable of switching between different operation modes by a common instruction key.

[0002]

2. Description of the Related Art In a conventional optical disc player, a skip mode state in which a song currently being played (played) is skipped to the beginning of the next song and played from the beginning of the next song, or the middle of the song is searched for Therefore, in order to select the high-speed manual search mode state in which high-speed performance is performed, an instruction key is required corresponding to each function.

For example, a skip-up for instructing to skip in the increasing direction of the song number attached to the song recorded on the optical disk, that is, to skip from the currently playing song in the playing progression direction and to play from the beginning of the next song. An instruction key switch (hereinafter, the key switch is simply referred to as a key) and a skip down instruction key that instructs to skip from the beginning of the previous song by skipping in the direction in which the song number decreases, that is, in the direction opposite to the playing direction. And four instruction keys, a traveling direction manual search instruction key for instructing high-speed performance in the performance direction and a backward direction manual search instruction key for instructing high-speed performance in the opposite direction to the performance direction. It was on the panel.

However, when the respective instruction keys are provided independently as described above, an operation panel having a large area is required as the number of the instruction keys increases, which is a constraint for downsizing of the optical disc player. Dots occur.

For this reason, the manual search instruction key and the skip instruction key are commonly used so that the manual search /
When the skip instruction key is pressed, timing is started from the time it is pressed, and when the pressed state is maintained for a predetermined period or longer, it is controlled to the manual search mode state, and when it is pressed for less than the predetermined period, skip is performed. It is possible to reduce the number of instruction keys by controlling the mode state.
For example, it is disclosed in Japanese Patent Publication No. 6-101190.

[0006]

However, in the above-mentioned conventional optical disc player, the function designated by only the length of the pressing period of the manual search / skip instruction key is discriminated, and the switching to the discriminated function is automatically performed. To be done. However, when the manual search / skip instruction key is pressed, the pressing time length is determined by the sense of the operator, and the operator judges that the pressing period length is equal to or longer than the predetermined period length, but the actual pressing period length is The length is shorter than the predetermined period, and if the operator of the manual search / skip instruction key selects it, the function may be switched to another function which the operator does not intend, resulting in an erroneous operation. .

Further, since the operation mode is selected only by the pressing period length, when the manual search / skip instruction key is continuously pressed for a predetermined period or longer, the mode is switched to the manual search mode state and the skip mode state is continued. However, there is a problem in that the manual search / skip instruction key must be repeatedly pressed for each period less than the predetermined period in order to continue the skip mode state.

An object of the present invention is to provide an optical disk player which reduces the number of instruction keys and eliminates erroneous operation.

[0009]

An optical disk player according to the present invention includes an operation panel having at least operation mode switching instruction means for instructing operation mode switching and direction instruction means for instructing a playing direction, and a music performance. Detection means for detecting that there is an operation mode switching instruction by the operation mode switching instruction means, a timer for measuring a predetermined time from the time of detection by the detection means, and a direction indicating means during the time period measured by the timer. When there is an instruction, the first control means is set to a manual search mode state in which a high-speed performance is searched for during the period during which the instruction is given, and no operation mode switching instruction is detected during the performance of the song. And a second control means for setting a skip mode state in the direction instructed by the direction instructing means. To.

According to the optical disk player of the present invention, when there is an operation mode switching instruction by the operation mode switching instruction means during the performance of a song, the detection means detects the fact, and the timer measures the time. During the period when the instruction is given by the direction indicating means, under the control of the first control means, it is controlled to a high-speed manual search mode for searching the middle of the song, and the song is being played. When there is no instruction for switching the operation mode and there is an instruction from the direction instructing means, the skip mode is set in the instructed direction under the control of the second control means. Therefore, the number of instructing means on the operation panel is reduced, and the operation mode state is switched based on the instruction by the operation mode switching instructing means, so that erroneous operation is eliminated.

Second optical disc player according to the present invention
The control means is characterized by continuing the skip mode state in the instructed direction for a period in which the direction instruction is continued after the skip mode state.

According to the optical disc player of the present invention, when the direction is further instructed after the skip mode is set, the control of the control by the second control means is performed in the direction instructed during this continuing period. Originally, the skip mode state will be continued.

In the optical disk player according to the present invention, the time display section for displaying the time from the beginning of the music piece to the playing position during the performance, and within the time counting period of the timer from the operation mode switching instruction by the operation mode switching instruction means. And a display switching control means for switching the display of the time display unit to a predetermined display in the manual search mode during the period until the direction is designated by the direction designating means.

According to the optical disk player of the present invention, the display on the time display section is within the time counting period of the timer from the time when the operation mode switching instructing means instructs the operation mode switching under the control of the display switching control means. Further, since the display of the time display portion can be switched to a predetermined display with respect to the manual search mode state during the period until the direction is designated by the direction indicating means, it is possible to switch to the manual search mode state by the instruction by the direction indicating means. It is possible to visually recognize whether or not there is no erroneous operation.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of an optical disk player according to the present invention will be described. FIG. 1 is a block diagram showing an embodiment of an optical disc player according to the present invention.

An optical disk player 1 according to an embodiment of the present invention comprises a two-digit music number display section 3 and four 7-segment displays composed of two 7-segment displays provided adjacent to an operation panel 2. A display unit 5 having a 4-digit time display unit 4 and an instruction key unit 6 provided on the operation panel 2 are provided. The instruction key section 6 includes a play instruction key 61 for instructing performance (reproduction), a stop instruction key 62 for instructing to stop the performance, an operation mode switching instruction key 63 for instructing switching of operation modes, and a song or portion in a specified range. Repeat instruction key 64, up instruction key 65, down instruction key 6 for instructing repeated performance
6. Other instruction keys (not shown) are provided.

Further, the optical disc player 1 according to the embodiment of the present invention receives a signal from the instruction key unit 6 based on the pressed instruction key, controls the optical disc player, and controls the display of the display unit 5. It is provided with a control circuit 20 composed of a microcomputer for carrying out.

Further, the main body of the optical disc player 1 basically includes a mechanical section and a servo circuit, performs spindle control, focus control and tracking control, and cooperates with a feeding device to perform normal performance, high speed manual search mode and skip mode. Position control circuit 12 for controlling the relative position of the optical pickup 13 with respect to the optical disc 17 and controlling the rotation of the spindle motor 16 in order to perform the above operation, and position control for the optical disc 17 based on signals from the optical pickup position control circuit 12. Optical pickup 13 and optical pickup 13
The signal processing circuit 14 that receives the EFM signal output from the device and performs error correction and the like, the analog circuit 15 that receives the signal from the signal processing circuit 14, converts the signal into an analog audio signal, and outputs the analog audio signal is rotationally driven. The spindle motor 16 is provided.

Under the control of the control circuit 20, the rotation of the spindle motor 16 is controlled by a spindle motor control signal from the optical pickup position control circuit 12.
The optical disc 17 is rotationally driven. Further, the relative position of the optical pickup 13 with respect to the optical disc 17 is controlled by the focus control signal and the tracking control signal from the optical pickup position control circuit 12, and the designated mode,
For example, it is controlled to a state corresponding to the skip mode and the manual search mode. The signal from the optical pickup 13 is processed by the signal processing circuit 14, converted into an analog signal by the analog circuit 15, and sent out.

The control circuit 20 receives the output from the instruction key unit 6 and determines the operation key discriminating circuit 21 for discriminating the pressed instruction key, and the time display unit 4 displays time and FF; Fb.
The display switching control circuit 24 for switching to display, the 5-second timer circuit 23, and the 5-second timer circuit 23 in response to the discrimination output from the operation-key discrimination circuit 21 discriminates the operation mode. Operation mode determination / CD for controlling the main body of the optical disc player 1 in the operation mode based on
The control circuit 22 is functionally provided.

Here, the operation key discrimination circuit 21 corresponds to a detecting means for detecting that there is a mode switching instruction by the operation mode switching instruction key 63 during the performance of the music. The operation mode discriminating / CD control circuit 22 functions in cooperation with the operation key discriminating circuit 21 to functionally operate the up instruction key 65 and the down instruction key 6 during the time period measured by the 5-second timer circuit 23.
When there is an instruction by 6, the first control means for setting a high-speed manual search mode state for searching the middle of the song during the instructed period and the up instruction without the operation mode switching instruction during the playing of the song The second mode is such that the skip mode state is set in the direction instructed when the key 65 and the down instruction key 66 are instructed, and the skip state is continued in the direction instructed for the duration of the instruction.
Corresponds to the control means.

The operation of the optical disc player 1 according to the present embodiment configured as described above will be described with reference to the flowchart shown in FIG.

When the program based on the flowchart shown in FIG. 2 is executed in the optical disc player 1 according to the embodiment of the present invention, it is checked whether or not a performance is being performed (step S1). If it is determined in step S1 that no performance is being performed, the program ends. If it is determined in step S1 that the performance is being performed,
The performance is continued, and the time display section 4 displays the time from the beginning position of the music being played to the current performance position (step S2). It is checked whether or not the operation mode switching instruction key 63 is pressed during the performance in step S2 (step S3). Note that in FIG. 2, the pressing of the instruction key is marked as ON.

When it is determined by the check in step S3 that the operation mode switching instruction key 63 is not pressed, the up instruction key 65 and the down instruction key 6
It is checked whether 6 has been pressed (step S1).
0). When it is determined in step S10 that the up instruction key 65 and the down instruction key 66 are not pressed, normal performance is continued (step S).
2).

When it is determined in step S3 that the operation mode switching instruction key 63 is pressed, the display of the time display section 5 is switched from the time display to the FF; Fb display (step S4). Following the display switching of the time display unit 4 in step S4, the 5-second timer circuit 23 is set and the time counting is started (step S5).
Following step S5, it is checked whether either the up instruction key 65 or the down instruction key 66 has been pressed (step S6). Here, FF means fast-forward in the performance progressing direction, and Fb means fast-forwarding in the direction opposite to the performance progressing direction.

When it is determined in the check in step S6 that the up instruction key 65 and the down instruction key 66 are not pressed, it is determined whether the 5-second timer circuit 23 has timed out, that is, 5 seconds from the start of timing in step S5. It is checked whether or not the time has passed (step S9). When it is determined in step S9 that 5 seconds have not elapsed, the process is repeated from step S6. When it is determined in step S9 that 5 seconds have elapsed, the process is repeated from step S2.

That is, during execution of the performance, the operation mode switching instruction key 63 is pressed and the time display section 4 displays F.
F: Even if the display is switched to Fb display, if either the up instruction key 65 or the down instruction key 66 is not pressed during this period, that is, within 5 seconds, the time display section 4 changes from the time display to FF; Fb display. When only 5 seconds have passed, step S2 is executed, the display of the time display unit 4 is returned to the time display again, and the normal performance is continued.

If it is determined in the check in step S6 that either the up instruction key 65 or the down instruction key 66 has been pressed, the manual search mode state based on the pressed instruction key, that is, the up instruction key 65 is When it is determined that the key is pressed, the manual search mode is controlled to a high speed in the playing direction, and a manual search operation is performed. The manual search operation is performed under the control of the manual search mode state, and the display of the time display unit 4 is returned from the FF; Fb display to the time display (step S
7) After step S7, the 5-second timer circuit 23 is set again for 5 seconds (step S8).

Following step S8, the 5-second timer circuit 23
It is checked whether or not the time set in step S8 has elapsed, that is, whether or not the time is up (step S9), and if it is determined in step S9 that 5 seconds have not elapsed since the execution of step S8, The process is repeatedly executed from S6, and when it is determined that 5 seconds have elapsed since the execution of step S8, the process is repeatedly executed from step S2.

5 second timer circuit 23 in step S8
Is a reset of the 5-second timer circuit 23, and the set time of the 5-second timer circuit 23 is substantially extended. That is, by executing step 8, a time of 5 seconds is set in addition to the elapsed time until the up instruction key 65 or the down instruction key 66 is pressed in steps S5 to S6.

Therefore, when either the up instruction key 65 or the down instruction key 66 is pressed in step S6 and the pressing is continued, the high-speed manual search mode state is continued for the duration of the pressing, and during this period. The time display section 4 is in time display, and the time display section 4 displays the performance time from the beginning of the music. Therefore, pressing the up instruction key 65 or the down instruction key 66 that has been pressed. The time display section 4 is the time to stop, that is, the time to end the high-speed manual search operation.
It can be judged from the display of.

When the pressed up instruction key 65 or down instruction key 66 is stopped while the high-speed manual search state is continued, step S6 is performed.
In step S6, step S9 is executed, and when it is determined in step S9 that the time is up, the high-speed manual search mode state is ended and the operation is executed from step S2. The display of 4 is maintained as the time display, and the normal performance is continued.

When it is determined in step S3 that the operation mode switching instruction key 63 is not pressed, and it is determined that the up instruction key 65 or the down instruction key 66 is not pressed subsequent to step S3, step S2 It is executed as described above. In addition,
During this time, the display on the time display unit 4 is maintained as the time display.

If it is determined in the check in step S10 that either the up instruction key 65 or the down instruction key 66 has been pressed, the time display section 4
Is maintained as the time display and the state of the pressed instruction key is stored (step S11), 400 msec.
Is waited for (step S12). Step S12
When the standby period is finished, the instruction key stored in step S11, that is, the up instruction key 6 when the up instruction key 65 is pressed in step S10.
It is checked whether or not No. 5 is pressed, and whether or not the down instruction key 66 is pressed when the down instruction key 66 is pressed in step S10 (step S13). That is, it is checked in step S13 whether or not the instruction key pressed in step S10 is continuously pressed.

When it is determined in step S13 that the instruction key pressed in step S10 is not already pressed, that is, when it is determined that the instruction key is not continuously pressed for 400 msec, step S13.
Then, the skip mode is controlled to perform one skip operation, and the operation is executed from step S2 (step S15). That is, in this case, the beginning of the next piece of music being played in step S2, or step S2
Will be performed from the beginning of the previous song of the song being played in.

When it is determined in step S13 that the instruction key pressed in step S10 is still pressed, that is, when it is determined that the instruction key is continuously pressed for a period of 400 msec or more, step S
Subsequent to step 13, the skip mode is controlled and the skip operation is continuously performed, and the step is repeated from step S11 (step S14). That is, in this case, when the instruction key pressed in step S10 is continuously pressed, for example, when the instruction key continuously pressed is the up instruction key 65, the pressing is not performed. During the continuous period, the skip operation is continued with the beginning of the next song of the song being played in step S2, the beginning of the next song, .... Further, for example, when the instruction key which is continuously pressed is the down instruction key 66, the beginning of the previous song of the song being played in step S2 and the beginning of the previous song while the pressing is continued. , ... and the skip operation is continued.

During the skip operation, the song number display section 3 displays the song number of the beginning of the skipped result, so that the skip operation is performed by the display of the song number display section 3. It is easy to know when to stop pressing, that is, when to stop pressing the up instruction key 65 and the down instruction key 66. Alternatively, the tune may be played for a predetermined period from the beginning of the skipped tune when executing the skip operation in step S14.

As described above, in the optical disc player according to the present embodiment, from the time when the operation mode switching instruction key 63 is pressed during the performance, the display of the time display unit 4 changes from the time display to FF; Fb. When the operation mode switching instruction key 63 is pressed during performance, it is displayed that the up instruction key 65 and the down instruction key 66 each act as a manual search instruction key from the display of the time display section 4. When the up instruction key 65 or the down instruction key 66 is pressed within a predetermined period from, the operation mode is changed to the manual search mode state based on the up instruction key 65 and the down instruction key 66, and during the performance. When the operation mode switching instruction key 63 is not pressed, the time display section 4 displays the time. Is maintained shown left, the up instruction key 65 or the down instruction key 66 is pressed, the operation mode is changed to the up instruction key 65 and a down instruction key 66 in Motozuiku skip mode.

Therefore, the skip up instruction key and the forward direction manual search instruction key are common up instruction keys 65, and the skip down instruction key and the backward direction manual search instruction key are common down instruction key 6
Since the number of keys is reduced to 6, the change of the operation mode can be recognized by the display of the time display section 4, and the erroneous operation is eliminated.
Further, the up instruction key 6 when in the skip mode state
5 or by continuing to press the down instruction key 66, the skip mode state is continued for the duration of pressing and the skip operation is continuously performed.

In the optical disc player according to the above-described embodiment, the operation mode switching instruction key 63 is used as the instruction key for switching the operation mode, but the performance is stopped instead of the operation mode switching instruction key 63. The play instruction key 61 may be used, for example, by pressing the play instruction key 61 again during a performance using an instruction key other than the instruction key 62, for example, the play instruction key 61.

[0041]

As described above, according to the optical disc player of the present invention, the skip up / down instruction means and the advance / reverse direction manual search instruction means need the instruction means respectively. Since only the operation mode instructing means and the direction instructing means are required, the number of instructing means is reduced, and the function of the direction instructing means is switched based on the instruction of the operation mode instructing means, so that an erroneous operation can be eliminated. .

Further, when the display in the time display portion can be instructed to the manual search mode, the time display is switched to the display defined for the state of the manual search mode, so that it can be visually confirmed and erroneous operation is eliminated. The effect is obtained.

Further, since the operation mode switching instructing means is also used as the play instructing means and the mode switching instruction is given by the instruction of the play instructing means during the performance, the independent operation mode switching instructing means can be omitted, and the number of instructing means is further increased. The effect of reduction is also obtained.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment of an optical disc player according to the present invention.

FIG. 2 is a flowchart for explaining the operation of the embodiment of the optical disc player according to the present invention.

[Explanation of symbols]

 1 optical disk player 2 operation panel 4 time display unit 5 display unit 6 instruction key unit 20 control circuit 21 operation key determination circuit 22 operation mode determination / CD control circuit 23 5 second timer circuit 24 display switching control circuit 61 play instruction key 63 operation mode Switching instruction key 65 Up instruction key 66 Down instruction key

Claims (4)

[Claims] 1. An operation panel having at least an operation mode switching instruction means for instructing an operation mode switching and a direction instruction means for instructing a playing direction, and an operation mode switching instruction by the operation mode switching instruction means during performance of a piece of music. Detecting means for detecting that there is a time, a timer for measuring a predetermined time from the time of detection by the detecting means, and a period during which the instruction is given when there is an instruction by the direction indicating means during the time period measured by the timer It is instructed when there is an instruction from the direction instructing means in the state of no manual operation mode switching instruction during the performance of the tune, and the first control means for setting the manual search mode state for high-speed performance for searching the middle of the tune. An optical disc player, wherein the optical disc player is provided with a second control means for setting a skip mode state in a direction. 2. The optical disc player according to claim 1, wherein the second control means keeps the skip mode state in the instructed direction for a period during which the direction instruction is continued after the skip mode state. Optical disc player. 3. The optical disk player according to claim 1, wherein a time display section for displaying a time from the beginning of the music being played to the performance position, and a timer counting time from the time when the operation mode switching instruction is issued by the operation mode switching instruction means. The optical disc player is provided with display switching control means for switching the display of the time display section to a predetermined display in the manual search mode state during the period until the direction is indicated by the direction indicating means. . 4. The optical disc player according to claim 1, wherein the play instructing means also serves as the operation mode switching instructing means, and the instruction of the play instructing means during performance is used as the operation mode switching instruction.