JP2668869B2 - Optical disc player - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical disc reproducing apparatus such as a compact disc player. 2. Description of the Related Art Conventionally, this type of optical disc player is shown in FIGS.
The configuration was as shown in the figure. That is, 1 is a signal detection unit including an optical pickup or the like for reading music information and performance time information recorded on an optical disc (hereinafter, simply referred to as a disc), and 2 is information processed by the signal detection unit to produce an audio signal. A signal output unit 3 for converting and outputting is a control unit for controlling the signal detection unit 1 and the signal output unit 2, and a part of which is described in detail later.
It has a subtraction time display control unit 6. 4 is a signal detector 1
The display unit 5 for displaying the performance time read by the user, the input information from the key switch unit 5, and the like via the control unit 3 is a control unit 3.
A key switch unit includes a play key 5a for instructing the control unit 3 to start playing, a playback time input key 5b for designating a time to continue playing to the control unit 3, and a storage music input key 5c for storing a music to be played. The addition / subtraction time display control unit 6 includes a designated reproduction time storage unit 8 for storing the reproduction time designated by the reproduction time input unit 7, and a reproduction music storage unit 10 for storing the music number designated by the stored music input unit 9. And a storage music reproduction time adding unit 11 for calculating the sum of the reproduction times of the stored music, subtracting means 12 for subtracting the sum of the storage music reproduction times from the designated reproduction time, and data obtained by the subtraction means 12 Time display means 13 to display
It is composed of And the control as shown in the flowchart of FIG. 9 was performed by the above configuration. That is, it is determined in step 1 whether or not the play key 5a has been pressed. If the play key 5a has been pressed, the process proceeds to step 10, and if not, the process proceeds to step 2. Play time in step 2
The presence or absence of the input of T _p is determined. If there is no input, the process proceeds to step 3, and if there is, the process proceeds to step 4. At this time, the initial value of T _p is O. In step 3, in order to determine whether or not step 4 has proceeded to step 4 even once, it is determined whether T _p is equal to O. If they are equal, the process returns to step 1, and if they are not equal, the process proceeds to step 4. In step 4, it is determined whether or not there is an input for storing the played music.
Move to, and if there is, move to step 6. In step 5, it is determined whether or not there is a reproduction / stored music piece. In step 6, every time there is an input of a stored music, the playback time is added to T _m in the stored music playback time adder every time there is an input of the stored music in order to obtain the sum T _m of the stored music playback time, and the routine proceeds to step 7. In step 7, the subtraction means 12 subtracts the sum T _m of the stored music reproduction times from the specified reproduction time to obtain the remaining time T _s, and then the operation proceeds to step 8. In step 8 the remaining time T _s is determined whether O is less than, be less than O proceeds to step 9, is smaller than O moves to step 12. In step 9, the remaining time is displayed on the display unit by the time display means 13, and the process returns to step 1. In step 12, the time display means 13 displays a negative number on the display unit to display a shortage time, notifying that all of the stored music cannot be completely reproduced at the designated reproduction time, and the process returns to step 1. In step 10, music information and the like stored on the disc are played by the signal detection unit 1 and the signal output unit 2. In step 11, the signal detecting section 1 reads the playing time information from the disc, and compares the playing time with the specified playing time specified in step 2 to determine whether the playing is finished. If not, the operations of steps 10 to 11 are repeated. If no performance duration is specified,
It is determined to be finished according to the performance end information of the disc. Problems to be Solved by the Invention However, in the above-mentioned conventional configuration, the remaining time is only displayed first, and it is not possible to recognize how long the playback time is as a whole unless the operator calculates in mind. . Second, even if the memorized song playback time exceeds the specified playback time,
There is a problem that misrecognition is likely to occur because only display is performed using a negative number. The present invention has been made to solve such a conventional problem, and is provided with a time scale for displaying added time for displaying the sum of the stored music reproduction times, and when the stored music reproduction time exceeds a specified reproduction time. An object of the present invention is to provide an optical disc reproducing apparatus having a function of displaying a shortage time and blinking a time scale for the shortage time. Means for Solving Problems According to the present invention, in order to achieve the above-mentioned object, a reproduction time input means for specifying a time for continuing the performance, a specified reproduction time storage section for storing the specified reproduction time, and a music to be played. Stored music input means for storing, a reproduced music storage unit for storing a music number designated by the stored music, a storage music reproduction addition unit for obtaining the sum of the reproduction times of the stored music, and a specified reproduction time And a display unit for displaying data obtained by the subtraction unit. The display unit includes a time display unit for displaying numbers and a time scale for addition time display. It is provided. Operation The operation of the present invention by the above means is as follows. That is, the addition time can be displayed by calculating the sum of the reproduction times of the stored music, converting the sum into data for time scale display, and displaying the time scale. In addition, if the sum of the stored music playback times is subtracted from the specified playback time, and the difference is negative, the number displayed on the time display section and the time scale corresponding to the difference flash Can be made aware of the lack of time. Embodiments Hereinafter, embodiments of the present invention will be described with reference to the drawings. Reference numerals 21 and 22 denote a signal detection unit and a signal output unit having the same functions as those of the conventional example, and 13 denotes a control unit for controlling the signal detection unit 21 and the signal output unit 22. The display control unit 26 is provided. Numeral 24 is a display for displaying the playing time and the like.
have. A key switch unit 25 includes a play key 25a for instructing the control unit 23 to start playing, a playback time input key 25b for designating the time to continue playing to the control unit 23, and a storage song input key 25c for storing a song to be played. Is. The addition / subtraction time display control unit 26 is a designated reproduction time storage unit that stores the reproduction time designated by the reproduction time input means 27.
28, a reproduction music storage unit 30 for storing the music number designated by the storage music input means 9, a storage music reproduction time addition unit 31 for calculating the sum of the reproduction times of the stored music,
Subtracting means 32 for subtracting the sum of the stored music reproduction time from the designated reproduction time, time display means 33 for displaying the data obtained by the subtraction means 32 by numbers, and storage music reproduction time on the time scale 34 for adding time display And time scale display means 35 for displaying the sum of. Regarding the embodiment of the present invention configured as described above,
The operation will be described with reference to the flowchart of FIG. In the figure, steps 1 to 11 are the same as the operation of the conventional example, and the description thereof is omitted. The sum T _m of a storage track playback time calculated in step 14 Step 6 converted into the time scale data by the time scale display unit 35, and proceeds to step 7 is displayed on the addition time display time scale.
In step 12, the time display means 33 displays a negative number on the display unit to display the shortage time, and the display blinks to move to step 13. In step 13, the time scale display means blinks the time scale corresponding to the shortage time T _s, and the process returns to step 1. FIG. 5 shows an actual display example. This is the display when the specified playback time is 30 minutes and 7 songs are stored and the sum of those playback times is 37 minutes and 28 seconds. The time display part shows the shortage of 7 minutes and 28 seconds to the specified playback time. It is displayed as a negative number and is blinking.
On the time scale, 30 minutes of the added time of 37 minutes and 28 seconds are turned on, and 7 minutes and 28 seconds beyond 30 minutes are blinked. As described above, according to the present embodiment, the remaining time and the playback time can be displayed simultaneously, and when the storage playback time exceeds the designated playback time, the time display of the shortage time and the time scale display are blinked. Is something that can be done. Further, in the present embodiment, the song to be played is designated and stored after designating the playback time. However, the same display can be performed by designating the playback time after designating and storing the song to be played. is there. EFFECT OF THE INVENTION As is clear from the above embodiments, the present invention stores a playback time input means for designating a time to continue playing, a designated playback time storage unit for storing the designated playback time, and a music to be played. Storage music input means, a reproduction music storage unit for storing the music number designated by the storage music input unit, a storage music reproduction time adding unit for obtaining the sum of the reproduction times of the stored music, and a storage music reproduction time from the designated reproduction time And a display unit for displaying data obtained by the subtraction unit, and the display unit includes a time display unit for displaying numbers and a time scale for addition time display. Yes,
When the playback time is designated and the performance music is stored, the total playback time of the stored music is displayed on the time scale simultaneously with the display of the remaining time of the specified playback time, so that the remaining time and the playback time can be displayed simultaneously. . Further, when the shortage time occurs, the operator can strongly recognize the shortage by blinking the time display of the shortage time and the time scale corresponding to the shortage time.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram of an optical disc reproducing apparatus according to an embodiment of the present invention, FIG. 2 is a block diagram of the same, FIG. 3 is an external perspective view of the apparatus, and FIG. Is a flowchart for displaying the playing time of the apparatus, FIG. 5 is a front view of an actual display example,
FIG. 6 is a block diagram of a conventional example, FIG. 7 is a block diagram of the main part, FIG. 8 is an external perspective view of the conventional device, and FIG. 9 is a flowchart of the same. 21 ... signal detection unit, 22 ... signal output unit, 23 ... control unit,
24 …… Display unit, 25 …… Key switch unit, 26 …… Addition / subtraction time display control unit, 34 …… Additional time display time scale.

Claims (1)

(57) [Claims] Playing time input means for designating the time to continue playing, a designated playing time storage unit for storing a designated playing time, a storing music input means for storing a song to be played, and a song number designated thereby And a subtraction means for subtracting the sum of the stored music reproduction times from the designated reproduction time, and a subtraction means for obtaining the sum of the reproduction times of the stored music. A display section for displaying the stored data, wherein the display section is a time display section displayed by the time display means, and a designated time calculated by the memory music reproduction time addition section when the reproduced music is specified. An optical disc reproducing apparatus comprising a time scale for displaying added time, in which the total reproduction time of reproduced music is displayed by a time scale display means. 2. 2. The optical disk reproducing apparatus according to claim 1, wherein the time display means has a function of blinking the time display section when the data obtained by the subtraction means is negative. 3. The time scale display means subtracts the time calculated by the stored music reproduction time addition section from the specified reproduction time by the subtraction means, and when the value becomes negative, the time scale of the length of the data blinks. 2. The optical disc reproducing apparatus according to claim 1, wherein said optical disc reproducing apparatus has a function of causing the disc to play.