KR19980067926A - How to auto play CD on CD / BCD - Google Patents

Abstract

The present invention relates to a CD auto-playing method in a CD / VSI composite device, wherein a function selected by a user is determined by a microcomputer to determine a function of a user inputting a system key or a key of a remote controller. In case of other functions, check whether the power is turned off after performing the function, and if the power is turned off, terminate the processing steps, and if the power is not turned off, return to the beginning and wait for the user to select the function again. Step and when the cover of the CD is opened in the other function execution step, the user selects the function as the CD playback function, and the CD detection unit detects the open state of the CD cover to the micom of the CD and VSI The CD cover open signal is transmitted, and the MICOM on VSI side The CD is composed of a CD reproducing step which controls the CD drive system while controlling the CD cover control unit so that the CD cover is automatically closed after a predetermined time, and then automatically plays the CD. By providing the CD auto-playing method in the / VSI composite device, the CD playback can be easily performed to increase the convenience of use.

Description

How to auto play CD on CD / BCD

The present invention relates to a CD auto-playing method in a CD / VSI multifunction device. In particular, in the case of playing a CD disc in such a multifunction device, the CD disc is mounted on the CD tray after the user opens the CD tray by opening the CD cover. After closing the CD cover again, pressing the PAUSE key pauses the CD, and then presses the CD playback key to perform a series of complicated key manipulations to play the CD. After opening the CD tray by opening the CD tray, simply insert the CD disc into the CD tray and the system will automatically perform all the steps required for future CD playback. will be.

The CD / BSI multi-function device can provide a compatible environment for using a magnetic tape-type video tape or an optical disk-type CD disk, which is a storage medium for storing a video pro, thereby receiving signals from various sources. It is designed to do so.

1 shows an example system circuit block diagram of a typical type of a CD / VSI multifunction device of this type.

Here, the CD / VSI multi-function device is composed of a CD drive system and a VSI drive system. The VSI drive system first receives key inputs from the remote control transmitter 126 or key inputs from the key matrix 121, respectively. A microcomputer 120, a tuner 145 for tuning the channel in the broadcast signal received from the antenna 146, a phase lock loop unit 144 for providing a tuning control signal to the tuner 145, and Digital modulation 148 for displaying functions, clocks, and the like, an OSD unit 149 for displaying OSD contents on the screen, and an RF modulation connected to an output terminal of the ODS unit 149 and modulating with radio frequency A unit 150, a monitor 151 connected to an output terminal of the RF modulator 150 and outputting a video signal, and a synchronization signal separated from the video input generated by the system are provided to the OS 149. motivation The separating part 152, the deck part 128 which performs a tape reproducing / recording operation, the servo part 129 which drive-controls this deck part 128, etc. are comprised.

The CD drive system includes a CD drive unit 133 for driving the mounted CD disc, a motor 132 for operating the CD drive unit 133, a pickup unit for picking up a predetermined signal from the disc being driven, and the pickup unit. The actuator 138 to drive, the RF unit 136 for detecting the RF signal from the pickup unit, the focus / tracking unit 137 for controlling the actuator 138, and the CD-side microcomputer 130 for controlling the CD ), A motor driver 131 for controlling the motor 132 for driving the cd, a digital signal processor 139, a die converter 140 for converting a digital signal into an analog signal, and a signal amplifier 141. And, the left / right speakers (142, 143), the CD drive unit 133 detects the CD driving state and sends a predetermined detection information to the microcomputer 120 of the VSI side CD detection unit 127, etc. In the configuration of CD including It becomes bait.

Looking at the operation of such a conventional CD / BCD system, the VSI drive system can perform a video playback operation to watch the playback contents of a video tape played back from the VSI unit through the monitor 151, In the drive system, when the CD disc is played back, the VSI drive system is stopped and the monitor 151 can watch the video program on the CD side.

On the other hand, even in the case of the audio pro, the audio pro played on the CD side can listen to the CD music pro played on the CD through the left and right speakers 142 and 143 constituted by a set.

In addition, in the conventional CD / VSI multi-function system configured as described above, a method of reproducing the contents of a CD disk includes opening a CD tray by opening a cover of the CD to play the CD, and then inserting the CD tray into the CD tray. After the disc was loaded, the CD cover was closed and the pause key was pressed to pause the playback of the CD. Then, the CD drive and VSI drive were operated together to play the CD disc.

As described above, the process of playing a CD disc in a CD / VSI multifunction device requires a user to perform a series of key operations in several steps in order to instruct the system to play a CD as described above. The inconvenience was cumbersome.

An object of the present invention was developed to improve such a conventional problem, when a user wants to play a CD in a CD / VSI multi-function system, the user opens the cover of the CD and does not perform the conventional cumbersome multi-step operation. By simply placing a CD disc in the tray, the system automatically takes care of all subsequent steps, minimizing user intervention, making it easier to play CDs on CD / VSI MFP systems.

The present invention adds a CD cover control circuit for automatically closing the CD cover to the existing CD drive system circuit of the CD / VSI multi-function system in order to achieve the above object. CD auto-playing method in a CD / V composite device having a configuration for carrying out the program.

1 is a circuit block diagram of a conventional Compact Disc / Video Cassette Recorder system;

FIG. 2 is a partial block circuit diagram illustrating a circuit portion added for a CD auto play function in a CD / VSI multifunction device according to the present invention; FIG.

3 is a flowchart illustrating a program for performing a CD auto play function in the CD / VSI multifunction device according to the present invention;

* Description of the symbols for the main parts of the drawings *

120, 130: microcomputer 121: key matrix

126: remote control transmitter 127: CD detector

128: deck portion 129: servo portion

144: phase lock loop 145: tuner

146: antenna 148: digitron

149: OSD 150: RF modulator

151: monitor 152: synchronization separation unit

131: motor drive unit 132: motor

133: CD drive unit 136: RF unit

137: focus / tracking unit 138: actuator

139: digital signal processor 140: die converter

141: signal amplifier 142, 143: left and right speakers

160: CD cover control unit 100: other function execution step

200: CD playback step

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

That is, the main circuit block of the CD drive system related to the CD auto regeneration method in the CD / VSI composite device according to the present invention is shown in FIG. 2.

As can be seen here, in the conventional CD / VSI multi-function circuit configuration, the CD detecting unit 127 for detecting a driving state of the CD driving unit 133 and transmitting a predetermined signal to the microcomputer 120 on the VSI side; The CD-side micom 120 is connected to a rear end of the CD detecting unit 127 and controls a BCD driving system according to the driving state of the CD driving unit 133 transmitted from the CD detecting unit 127. The CD-side micom 130 and the CD-side micom 130 which are connected to the rear end of the detector 127 and control the CD drive system according to the driving state of the CD driver 133 transmitted from the CD detector 127. It is connected to the rear end of the CD-side microcomputer 130 is driven under the control of the CD cover (not shown) was made to include a CD cover control unit 160 to perform a predetermined control to automatically close.

According to the present invention, the CD auto-reproducing circuit of the CD / VSI multifunction device according to the present invention detects the driving state of the CD driver 133 in the conventional CD / VSI multifunction device and outputs a predetermined signal to the microcomputer ( The microcomputer 130 of the CD side is connected to the rear end of the CD detector 127 to be transmitted to 120 to receive the driving state signal of the CD driver 133 from the CD sensor 127. The CD cover control unit 160 according to the present invention connected to the rear end of the CD-side microcomputer 130 is also controlled by the CD-side microcomputer 130. The CD cover (not shown) can be closed automatically.

In addition, in the system, the CD auto play function of the CD / BSI multi-function device has a function selected by the user because the microcomputer determines that the user inputs a key of the system / remote control or opens the cover of the CD. In the case of a function, after the corresponding function is checked, the power is turned off. If the power is turned off, the processing steps are terminated. If the power is not turned off, the function returns to the beginning and waits for the user to select a function again. When the cover of the CD is opened during the execution of other functions, it detects this and judges the function selected by the user as the CD playback function.The CD detector detects the open state of the CD cover and signals the CD cover open signal to the micom on the CD and VSI sides, respectively. By passing in the MICOM on VSI side, V Control the CD drive, while the CD-com micom controls the CD cover control unit to automatically close the CD cover after a certain period of time, and then controls the CD drive system to play the CD automatically. It is included.

That is, FIG. 3 is a flowchart illustrating a process of a program implementing the CD auto play function of the improved method in the CD / VSI multi-function device according to the present invention.

In this case, it is installed in the microcomputer of CD / BCD all-in-one system and is driven when the power is applied to the system so that the user selects the system / remote control key or opens the cover of the CD. In case of other general functions, other function that checks whether the power is turned off after performing the function and terminates the processing step when the power is turned off, and returns to the beginning when the power is not turned off and waits for the user to select the function again. When the cover of the CD is opened in the execution step 100 and the other function execution step 100, it is determined that the function selected by the user is the CD playback function, and the CD detection unit detects the open state of the CD cover and The CD cover open signal is transmitted to the microcomputer of VSI, respectively. ECom controls the VSI drive system required for CD playback, while Micom on the CD side controls the CD cover control unit to automatically close the CD cover after a certain time, and then controls the CD drive system to automatically play the CD. CD playback step 200 to perform.

In addition, the other function execution step 100, the microcomputer 120 grasps that the user selects the function (step 110), if the user selected function is other general functions of the system other than the CD playback function, the corresponding function After executing (step 120), it checks if the power is off and exits if the power is off and returns to the first step 110 if it is not off to continue waiting for the user to select the function (step 130). Configured.

In addition, the CD playback function execution step 200 monitors the state of the CD driver 133 in the CD detection unit 127 when the function selected by the user in step 110 of the other function execution step 100 is a CD playback function. By detecting that the CD cover (not shown) is opened and transmitting a predetermined signal to the microcomputers 130 and 120 on the CD side and VSI side (step 210), the user places the CD disc in the CD tray (not shown). The microcomputer 120 checks the timer and waits for a predetermined time (step 220), and when the time passes, the CD-side microcomputer 130 drives the CD cover control unit 160 to close the cover of the CD. After that (step 230), it is again checked whether there is a user cancel key or another key input for a predetermined time (step 240). If the user presses the cancel key, the CD playback function is canceled immediately. If the user returns to step 110 to wait for the user to select a function, and the user selects another function by pressing another key, the user returns to the first step 110 after performing the corresponding function and waits for the user to select the function ( In step 250), if the user does not press a cancel key or another key for a predetermined time, the microcomputers 130 and 120 of the CD side and the VSI side control the CD drive system and the VSI drive system, respectively, to play the CD disc and then play the CD disc again. It is composed of a series of steps to return to step 110 of to similarly wait for the user to select a function again (step 260).

In the CD playback system of the improved CD / BXAL multifunction system according to the present invention, the power supply is applied to the CD / BXAL multifunction device according to the present invention mounted on the microcomputer 120 of the system. The CD playback function program is executed to determine whether the user inputs a key on the remote control / system main body or opens the cover of the CD to determine whether the function selected by the user is a CD playback function or other general functions of the system. do. Accordingly, if the function selected by the user is other general functions of the system, the corresponding function is performed and the microcomputer 120 checks whether the power is turned off and terminates the processing when the power is turned off, and returns to the beginning again if the power is not turned off. To wait for the user to select a function (steps 110-130). Thus, it is possible to normally execute the CD playback function program of the CD / VSI multifunction device of the improved method according to the present invention without interrupting the performance of other conventional functions of the system.

On the other hand, in the case where the user-selected function is a CD playback function, the CD detection unit 127 monitors the state of the CD drive unit 133 and detects that the CD cover (not shown) is opened. When a predetermined signal is transmitted to the microcomputers 130 and 120 on the CD side, the system microcomputer 120 on the VSI side activates a timer so that the user can mount a CD disc to be played on the CD tray (not shown). Check the timer value and let the system wait for a certain time.

After the timer value has elapsed, the CD-side microcomputer 130 drives the CD cover control unit 160 to automatically close the cover of the CD so that the CD cover is closed even if the user does not intentionally press the cover of the CD.

After that, the user checks whether the user presses the cancel key or another key for a certain time. If the user presses the cancel key, the user immediately cancels the CD playback function and returns to the first step 110. If the user waits for a selection and the user selects another function by pressing another key, the user returns to the first step 110 after performing the corresponding function and waits for the user to select a function. If no other key is pressed, the microcomputer (130, 120) on the CD side and the VSI side controls the CD drive system and the VCD drive system respectively to play the CD disc, and then returns to the first step 110 again to select the user's function again. To wait (steps 210 to 260).

The present invention, when playing the contents of the CD disk in the CD / BD multi-function system, unlike the conventional, so that the user can easily perform a single key operation without the cumbersome multi-step key operation convenience of system use It is effective to increase.

Claims (3)

In the method of realizing the CD auto play function in the CD / BCD multi-function device that is mounted on the microcomputer of the CD / VSI multi-function system to automatically play the CD to minimize the user's intervention, It is installed in the microcomputer of CD / BCD all-in-one system and is operated when the power is supplied to the system, and the microcomputer determines that the user inputs the system / remote control key or opens the cover of the CD. In the case of general other functions, check whether the power is turned off after performing the corresponding function, and if the power is turned off, terminate the processing steps, and if the power is not turned off, return to the beginning and wait for the user's function selection again. 100); When the cover of the CD is opened in the other function execution step 100, it is detected and the function selected by the user is determined to be a CD playback function. The CD detection unit detects the open state of the CD cover and detects the CD and VSI side of the microcomputer, respectively. By transmitting the CD cover open signal, the MICOM on the VSI side controls the VCD drive system required for CD playback, while the MICOM on the CD side controls the CD cover control unit to automatically close the CD cover after a certain period of time. CD auto-playing method in a CD / VSI composite device, characterized in that consisting of a CD playback step 200 to control the CD drive system to automatically play the CD According to claim 1, The other function execution step 100, the microcomputer 120 grasps that the user selects a function (step 110); If the function selected by the user is other general functions of the system other than the CD playing function, after executing the function (step 120); The CD / V consists of a series of steps that check if the power is off and exit when the power is off and return to the first step 110 if it is not off to continue waiting for the user to select a function (step 130). How to auto play CD in cial device The CD driving unit 133 of the CD detection unit 127 according to claim 1, wherein the CD playback function execution step 200 is performed when the function selected by the user in step 110 of the other function execution step 100 is a CD playback function. Monitoring the state of the CD cover (not shown) to detect the opening and transmitting predetermined signals to the microcomputers 130 and 120 on the CD side and the VSI side, respectively (step 210); The microcomputer 120 checks the timer and waits for a predetermined time so that the user can mount the CD disk in the CD tray (not shown) (step 220); After time elapses, the CD-side micom 130 drives the CD cover control unit 160 to close the cover of the CD (step 230); Check again whether there is a user cancel key or another key input for a predetermined time (step 240); When the user presses the cancel key, the CD playback function is canceled immediately, and the procedure returns to the first step 110 to wait for the user to select a function. When the user presses another key to select another function, the function is performed. Then returning to the first step 110 to wait for a user to select a function (step 250); If the user does not press the cancel key or any other key for a predetermined time, the microcomputers 130 and 120 of the CD side and the VSI side control the CD drive system and VSI drive, respectively, to play the CD disc and then return to the first step 110. A method of auto-playing a CD in a CD / VSI composite device, comprising a series of steps to return and wait for a user to select a function again (step 260).