KR100345346B1 - Opticaldisk signal recording device for laser display - Google Patents

Abstract

The present invention provides a laser display optical disc signal recording apparatus capable of freely editing a figure or text for a laser graphic display for each feature and recording the same on a optical disc. The present invention relates to a sine wave generator, a stair wave generator, a synthesized wave generator, a computer data output unit, and an electronic organ signal output unit to an editor, and in the editor, a sine wave generator, step wave generator, synthesized wave generator, and computer data output. And a combination of the signals output from the electronic organ signal output unit to selectively display the oscilloscope and laser graphics, and generate a recording signal and a control signal to record the displayed data on an optical disc. In addition, when the disc is produced, the oscilloscope and laser head are used to record signals on the disc while directly checking the figure or character being edited.

Description

Optical disk signal recording device for laser display

The present invention relates to an optical disk signal recording apparatus for a laser display, and in particular, graphics and texts for laser graphic display can be freely edited for each feature and recorded on an optical disk, and an optical disk is produced while directly checking the graphics and texts recorded during optical disk production. The present invention relates to an optical disk signal recording apparatus for laser display.

In general, an optical disc refers to a disc produced to reproduce a signal recorded on the disc without using light to contact the disc.

Such an optical disc includes a compact disc (CD), which is a disc for recording only audio signals, a mini disc (MD), which is a disc capable of recording and playing back audio signals, a digital video disc (DVD), which is a disc on which audio and video signals are recorded, CD-ROM, which is a disk on which audio and video signals are recorded, and an optical disk driver (ODD), which is a computer data recording and playback disk.

Looking at the conventional optical disk manufacturing method for manufacturing such an optical disk is as follows.

First, a master tape which is the basis of an optical disc (for example, CD) is created. Here, the original master tape is analog or digital, and finally all are in the form of a digital master tape.

That is, the surface of the glass (glass) plate is precisely polished flat and ultrasonically cleaned and dried. The flatness and surface accuracy of this are strictly controlled. Here, a photoresist or the like, which is a material exposed to light, is evenly applied. Spinner is mainly used for this because the thickness can be controlled by the viscosity of the photoresist and the number of revolutions of the spinner. The thickness of this resist is approximately 0.1 탆, which corresponds to the thickness of the pit. In order to confirm this film thickness, an riffometer and the like are used.

On the other hand, this completes the disc, in which the number of defects is strictly controlled. This is because the defect at this stage affects the entire disc made with this master.

Next, when a laser beam is condensed on the disk and touches the disk, a photoresist is exposed there. In this case, when the laser light is turned on or off in accordance with the CD signal, only the place where the light hits is exposed and the signal is recorded.

To turn the light on and off at high speeds, a device for optical modulation is required, which is called an Electro Optical Modulator (EOM) using a Pokerus effect or an AOM (Acoustic-Optical Modulator) using ultrasonic waves. For semiconductor lasers, such on / off is very easy, but for gas lasers, external modulation must be used, as is well known.

And the laser beam turned on / off as described above is focused on the disk. However, even if the surface of the disk is well made, a flatness that does not affect the on / off of the resist thickness of about 0.1 μm is hardly expected. .

Therefore, in the optical disc player, the lens is controlled up and down so as to keep the distance between the condenser lens and the rotating disk by using a focus servo method.

On the other hand, a CD master is produced in the same manner as described above. The master is developed and melts only the light where it hits (for positive resist).

Next, this resist disk is plated. Through a so-called electromechanical process, one metal master is produced. After that, it's almost the same as the LP's manufacturing process, where several motherboards are made from this metal master, and several stampers are made from these motherboards. The stamper is trimmed to fit the molding machine and then attached to the molding machine.

Next, many compact discs are made from a single stamper.

However, when an optical disc is produced in this way, in order to check the produced disc, the state of the produced disc can be checked only when the finished disc is played by the optical disc player.

In this case, if a problem occurs in the finished disc (for example, when data is recorded incorrectly), there is an inconvenience of having to produce the disc again from the beginning.

In addition, when the disc is rebuilt due to an error as is well known, there is a problem in that time, human and economic resources are lost.

In addition, according to the conventional disc manufacturing method as described above, there is a disadvantage that the recording of various signals for the laser display is not free.

Accordingly, the present invention has been proposed to solve various problems occurring in the conventional optical disk manufacturing as described above,

An object of the present invention is to edit an image or a text for a laser graphic display freely for each feature and to record it on an optical disc, and also to make an optical disc while directly checking a figure or text recorded during the production of an optical disc. It is to provide a recording device.

The present invention for achieving the above object,

In the optical disk signal recording apparatus,

A sine wave generator for generating a sine wave for signal recording;

A stepped wave generator for generating a stepped wave for recording the signal;

A synthesized wave generator for generating a synthesized wave for recording the signal;

A computer data output unit for outputting laser graphic data of a computer;

An electronic organ signal output unit configured to generate an electronic organ signal;

Selectively combine the signals output from the sine wave generator, the stair wave generator, the synthesized wave generator, the computer data output unit, and the electronic organ signal output unit to control the display to an oscilloscope and a laser graphic, and record the displayed data on an optical disc. An editor for generating a recording signal and a control signal to make;

An oscilloscope for displaying graphic or text data output from the editor on a monitor;

A laser head for displaying a graphic or text data output from the editor on a screen as a laser graphic;

An analog recorder for recording the record data output from the editor into an analog signal on a master tape;

And a disk mastering unit for producing a master disk for manufacturing an optical disk by mastering the master tape.

1 is a block diagram showing the configuration of an optical disk signal recording apparatus for laser display according to the present invention.

<Explanation of symbols for the main parts of the drawings>

101 ..... Sine Wave Generator

102 ..... Stepped wave generator

103 ..... synthetic wave generator

104 ..... Computer Data Output

105 ..... Electronic organ signal output

106 ..... Editor

107 ..... Oscilloscopes

108 ..... Screen

109 ..... Laserhead

110 ..... analog recorder

111 ..... Master Tape

112 ..... Disk Mastering Section

Hereinafter, described in detail with reference to the accompanying drawings, preferred embodiments of the present invention according to the technical spirit as described above.

1 is a block diagram showing the configuration of an optical disk signal recording apparatus for a laser display according to the present invention.

Here, reference numeral 101 denotes a sine wave generator for generating a sine wave for signal recording, reference numeral 102 denotes a step wave generator for generating a stair wave for the signal recording, and reference numeral 103 denotes the signal recording. Reference numeral 104 denotes a computer data output unit for outputting laser graphic data of a computer, and reference numeral 105 denotes an electronic organ signal output unit for generating an electronic organ signal.

Also, reference numeral 106 selects signals output from the sine wave generator 101, the stair wave generator 102, the synthesized wave generator 103, the computer data output unit 104, and the electronic organ signal output unit 105, respectively. And an editor for controlling to display in oscilloscope and laser graphics, and to record the displayed data on an optical disc.

Also, reference numeral 107 denotes an oscilloscope for displaying graphic or text data output from the editor 106 on a monitor, and reference numeral 109 denotes a laser on the screen 108 of graphic or text data output from the editor 106. A laser head is displayed graphically, reference numeral 110 denotes an analog recorder for recording the record data output from the editor 106 to the master tape 111 as an analog signal, and reference numeral 112 denotes the master tape 111. Represents a disc mastering unit for producing a master disc for producing an optical disc by mastering the above.

In the optical disk signal recording apparatus for laser display according to the present invention configured as described above, first, a sine wave generator 101, a stair wave generator 102, a synthesized wave generator 103, a computer data output unit 104, and an electronic organ signal output Each section 105 is connected to an editor 106.

The editor 106 then displays the desired figure or text on the oscilloscope 107 or screen 108, and outputs it as an optical disc recording signal when the desired shape is obtained.

That is, the editor 106 may include a sine wave output from the sine wave generator 101, a stair wave output from the stair wave generator 102, a synthesized wave output from the synthesized wave generator 103, and computer data output. After receiving the laser graphic data of the computer output from the unit 104 and the electronic organ signal output from the electronic organ signal output unit 105, an X-channel signal and a Y-channel signal for a desired figure or text are selected.

Thereafter, the selected channel-specific signals are output to the oscilloscope 107 and the laser head 109. Accordingly, the oscilloscope 107 monitors the transmitted signals on a monitor so that the user can check the figure or the text that is edited. do.

In addition, the laser head 109 changes the trajectory of the laser beam output from the laser diode according to the signal for each channel output from the editor 106 to display graphics or text on the screen 108 as laser graphics.

When an arbitrary figure or text is displayed through the oscilloscope 107 and the screen 108 as described above, the user checks the displayed figure or font, and when the desired figure or font is completed, the analog recorder 110 reads it to the optical disc. Delivers signals to be recorded and control signals.

The analog recorder 110 receiving the recording signal and the control signal converts the transmitted digital recording signal into an analog signal and records the analog recording signal on the master tape 111 in accordance with the control signal.

When the master tape 111 is completed in this process, the disk mastering unit 112 masters the master tape 111 to produce a master disk for manufacturing an optical disk.

When the master disc is produced in this way, a large amount of optical discs can be produced through the molding process.

According to the present invention " optical disk signal recording apparatus for laser display " described above, there is an advantage that a figure or text for a laser graphic display can be freely edited for each feature and recorded on an optical disc.

In addition, there is an effect that can produce an optical disc while directly confirming the figures or letters recorded during the optical disc production.

In addition, the above-described effects can prevent errors in data recorded during optical disc production, thereby reducing the cost of disc production.

Claims (1)

In the optical disk signal recording apparatus, A sine wave generator for generating a sine wave for signal recording; A stepped wave generator for generating a stepped wave for recording the signal; A synthesized wave generator for generating a synthesized wave for recording the signal; A computer data output unit for outputting laser graphic data of a computer; An electronic organ signal output unit configured to generate an electronic organ signal; Selectively combine the signals output from the sine wave generator, the stair wave generator, the synthesized wave generator, the computer data output unit, and the electronic organ signal output unit to control the display to an oscilloscope and a laser graphic, and record the displayed data on an optical disc. An editor for generating a recording signal and a control signal to make; An oscilloscope for displaying graphic or text data output from the editor on a monitor; A laser head for displaying a graphic or text data output from the editor on a screen as a laser graphic; An analog recorder for recording the record data output from the editor into an analog signal on a master tape; And a disk mastering unit configured to produce a master disk for manufacturing an optical disk by mastering the master tape.