Abstract: A computer device with a built-in disk driver is disclosed in the present invention. The thin computer device includes a casing for accommodating at least one electronic component. A sunken structure is disposed on a surface of the casing. The thin computer device further includes a disk driver movably disposed inside the sunken structure. The disk driver includes a tray, a drive motor, a track set, and an optical read-in module. The tray movably connected to the casing for holding an optical disk. The drive motor disposed on the tray. The track set disposed on the tray. The optical read-in module slidably disposed on the track set. The optical read-in module reads information from the optical disk when the tray holds the optical disk and is located outside the sunken structure.

Abstract: A tray locking device of an optical disc drive adapted to lock and release a tray is provided. The optical disc drive has an optical head engaged with a lead screw and driven to move by the lead screw. The tray locking device includes a pushing member disposed on the optical head, a latching hook for latching and releasing a pin, and a transmission assembly disposed between the pushing member and the latching hook. The transmission assembly includes first and second lever elements. The first lever element pivoted in the tray has a slide slot having a first protrusion portion therein. The second lever element has a second protrusion portion adapted to move within the slide slot. When the tray is to be ejected, the lead screw drives the pushing member to push the second lever element, such that the second protrusion portion is aligned with the first protrusion portion.

Abstract: A portable electronic device for reading a compact disc includes a housing including oppositely spaced-apart first and second inner surfaces, and two oppositely spaced-apart third inner surfaces each connected between the first and second inner surfaces. The first, second and third inner surfaces cooperatively define a passage. A compact disc drive is disposed in the housing and includes a base disposed in the passage, and a tray disposed on and movable relative to the base. The tray has an upper surface for the compact disc to be disposed thereon. The upper surface of the tray is immediately adjacent to and faces the first inner surface of the housing.

Abstract: An optical disc drive including a case, a tray, a traverse, a plurality of washers, a plurality of fastening elements and a plurality of adjustment elements is provided. The tray is suitable for carrying an optical disc and includes a plurality of hollow alignment pillars. The traverse is disposed on the tray and includes a plurality of alignment holes for containing the corresponding hollow alignment pillars. Each washer is disposed in each of the alignment holes and leans between each of the alignment holes and each of the hollow alignment pillars. The fastening elements lock the traverse onto the tray. Each adjustment element leans between each of the washers and the tray, and bears an engagement pressure.

Abstract: A medium processing apparatus that performs predetermined processing on a medium introduced from an outside; a power supply that can supply a first power supply voltage to the medium processing apparatus while the information processing apparatus is operating, whereas being able to supply a second power supply voltage to the medium processing apparatus when the information processing apparatus is shut down; and a power supply controller that supplies the second power supply voltage from the power supply to the medium processing apparatus when the information processing apparatus is shut down while the medium is in the medium processing apparatus, whereas stopping the supply of the second power supply voltage to the medium processing apparatus once the medium is removed from the medium processing apparatus which has been supplied with the second power supply voltage, are provided.

Abstract: A pickup damper is provided. The pickup damper is configured to be installed adjacent to a plurality of guide shafts installed on opposite sides of an opening of a base chassis, configured to collide with a pickup and relieve shock via at least three steps in response to an external shock being applied, and configured to prevent the pickup from colliding with the guide shafts to protect the pickup.

Abstract: Disclosed herein is a spindle motor including: a turn table made of a deformable iron based material; a turn table inner diameter part provided at the center of the turn table, having a hollow part, and including a coupling part formed in an inner peripheral surface thereof; and a shaft inserted into the hollow part of the turn table inner diameter part to thereby contact the coupling part and rotate in an axial direction.

Abstract: An example of an optical disc apparatus includes a top case and a bottom case. The top case includes a tab extending downward from one end of the top case. The tab includes a protrusion protruding inward. The bottom case includes a lower-side folded portion formed by folding inward an upper end of one side surface of the bottom case. The lower-side folded portion includes a cantilever spring. The cantilever spring includes a spring portion extending in a vertical direction and a curved portion formed by folding inward an upper part of the spring portion. The protrusion comes into contact with the curved portion when the top case is being affixed to the bottom case and is in contact with the spring portion under a state where the top case is affixed to the bottom case.

Abstract: A tray driving device of an optical disc drive in provided to comprising: a driving motor; a belt wheel, disposed on a driving shaft of the driving motor; a belt idler, connected to the belt wheel through a belt, wherein the belt idler has a belt groove for containing the belt, and a guiding inclined plane is protruded on the top of the belt idler; and a gear assembly, connected under the belt idler and connected to a tray.

Abstract: Provided is a disc drive including a tray which receives a disc thereon, slides into and out of a main chassis, and includes a pickup transporting unit which linearly moves a pickup base in a radial direction of the disc. The disc drive also includes a lock release unit which is driven by the pickup transporting unit to release locking of the tray from the main chassis, and includes a lock lever unit which includes a supporting hole for rotating the lock lever unit, and a hook unit to be combined with a locking protrusion arranged at the main chassis.

Abstract: An optical disc device includes rails holding a tray so as to be put in and out with respect to a case and rail guides attached to a bottom chassis of the case to movably hold the rails, in which the rail guides have cross sections orthogonal to the running direction of the rails in a generally U shape and at least either one of the rail guides is formed with a projection in a part of the bottom surface abutting upon the rail. The projection is formed in an end range on the front face side of the case in the rail guide, and the rail rides on the projection of the rail guide when the tray is drawn out from the case.

Abstract: A drive device for an optical disc apparatus, wherein the tooth comprises a tooth body fixed to an optical pickup, two support pieces projecting from the tooth body toward a lead screw, two resin spring pieces provided with a base part on the projecting end of each of the support pieces and extending in a direction orthogonal to the axial direction of the lead screw, a plate part having a base part on the extending ends of the resin spring pieces and formed in a direction parallel to the axial direction of the lead screw, meshing cogs formed on the plate part on the side near the lead screw, and a linking part formed across the space between the resin spring pieces.

Abstract: A drive device for an optical disc apparatus, wherein the tooth comprises a tooth body fixed to an optical pickup; support pieces projecting from the tooth body toward a lead screw; resin spring pieces extending from the support pieces in a direction orthogonal to the axial direction of the lead screw; a plate part formed in a direction parallel to the axial direction of the lead screw from the resin spring pieces; meshing cogs formed on the plate part on the side near the lead screw; a cover projecting above the lead screw from the plate part disposed above the meshing cogs, straddling the lead screw, and bending sharply downward at the distal end; and a handle projecting from the tooth body.

Abstract: A disk drive including a main chassis; a tray on which a disk is to be removably mounted, the tray being installed to slide into/out of the main chassis, and including a pickup transporting unit that is configured to move a pickup base back and forth in a straight line in a radial direction of the disk. The pickup base includes an optical pickup installed thereon, The disk drive also includes a lock releasing unit that is arranged on the tray, is driven by receiving a driving force of the pickup transporting unit, and releases lock of the tray from the main chassis. The disk drive drives a lock releasing unit by using driving force of a pickup transporting unit.

Abstract: An optical disc drive including a housing, a tray that is installed in the housing and that is configured to receive an optical disc, which has a spoke region on a surface thereof, an optical pickup unit which is attached to the tray, a main circuit board which is installed on the tray and is operatively connected to the optical pickup unit, and a spoke sensor which is arranged on the main circuit board and corresponds to the spoke region of the optical disk.

Abstract: An optical disk drive including: a housing; a tray installed in the housing; an optical pickup unit mounted in the tray; and a guide shaft mounted in the tray such that the optical pickup unit and the guide shaft are configured such that the optical pickup unit is reciprocally movable along the guide shaft.

Abstract: A disc drive including a tray, a housing configured to receive the tray, a pickup device installed on the tray, and a main circuit board installed on the tray and connected to the pickup device.

Abstract: A method is disclosed to detect the voltage of a limit switch in an optical disc drive. The method includes following steps: loading an optical disc when the voltage of the limit switch is at a high level, completing the disc loading process when the voltage is changed to a low level, sampling the voltage of the limit switch predetermined times when the voltage is changed to the high level again, detecting the sampling voltages, completing the disc ejecting process when the sampling voltages are all at the high level, and determining a voltage bouncing to maintain the disc loaded status to avoid disc ejection misjudgment of the optical disc drive when the sampling voltages are not all at the high level.

Abstract: A slim optical disk drive includes a lower housing, a tray, a protection plate, a flexible cable and an isolated part. The tray is supported by two slide rails for sliding in or sliding out of an opening of the lower housing. The protection plate is for covering a bottom of the tray. The flexible cable includes a plurality of wires. The flexible cable extends toward the opening and is stuck on the lower housing. A curved area is formed by bending the flexible cable near the opening. The flexible cable is accommodated between the protection plate and the lower housing when the tray is slid inside the lower housing. The isolated part is disposed on the protection plate. The isolated part is for shielding predetermined wires of the plurality of the wires to reduce noise of signals.

Abstract: A recording/reproducing apparatus is disclosed that includes a spindle motor unit including a spindle on which a flexible recording disk is placed, a stabilizer plate disposed so as to face the recording disk, a torque detection unit configured to detect a drive torque applied to the spindle motor unit, an adjustment unit configured to adjust a gap between the recording disk and the stabilizer plate, and a determination unit configured to determine an optimal gap to be set to the gap based on the drive torque detected by the torque detection unit, in which the adjustment unit sets the optimum gap determined by the determination unit to the gap.

Abstract: An electronic apparatus includes a disk drive unit, a first casing and a second casing. The disk drive unit is provided inside the electronic apparatus and has an insertion slot into which a disk medium is to be slid or placed. The first casing covers an upper side of the disk drive unit and includes a cover portion covering an upper edge of the insertion slot. The second casing joins to the first casing and provides a housing portion housing the disk drive unit.

Abstract: A cone part in a chucking device capable of freely attaching and detaching a disc having a disc shape includes an abutting portion for abutting an inner peripheral surface of a central through hole of the disc with substantially equal forces along an entire circumference thereof and aligning the disc. The cone part is made of a resin material having a high slidability than that of a material used for the disc.

Abstract: A disk drive includes: a pair of guide walls, which is arranged in the vicinity of the holder opening of a cartridge holder to define a direction in which a disk cartridge is supposed to be inserted; a first opening/closing lever, which has a first engaging portion that engages with a portion of the disk cartridge and which rotates while the disk cartridge is being inserted or ejected; and a second opening/closing lever, which has a second engaging portion that engages with another portion of the disk cartridge and which rotates while the disk cartridge is being inserted or ejected. The first and second opening/closing levers rotate so as to leave a broader gap between the first and second engaging portions than between the guide walls when the drive gets loaded with the disk cartridge, thereby opening a window in the disk cartridge.

Abstract: The present invention is to provide a breakproof tray structure of an optical disc drive, which includes a tray and a resilient member. The resilient member has one side connected to an end of the tray and an opposite side connected to a loading/ejecting mechanism of the optical disc drive. The resilient member is made of a flexible material such as rubber. Thus, when the tray is subjected to an external force while being pushed out from an opening of the optical disc drive by the loading/ejecting mechanism, the resilient member will deform elastically for absorbing the external force and support the tray Effectively preventing the tray from being damaged by the external force and, once the external force is removed, the resilient member will return to its original shape for allowing the tray to be pushed back into the optical disc drive by the loading/ejecting mechanism through the opening.

Abstract: A tray assembly for mounting a disk drive includes an enclosure; and a tray mounted to the enclosure. The tray includes a tray body configured to receive the disk drive, a handle pivotably mounted to the tray body, and a securing member pivotably mounted to the tray body. The handle is configured to secure the tray body to the enclosure as the handle rotates. The securing member is configured to engage the handle as the tray body is in a secured state.

Abstract: A disk device includes a disk moving mechanism for moving a disk between loading and unloading positions. There is a reader/writer for recording or playback of data with the disk in the loading position. In the disk device, a housing includes a main containing region, having a first base wall, for containing the reader/writer. An intermediate containing region is disposed to extend from one side of the main containing region, for partially containing the disk moving mechanism, the intermediate containing region having a second base wall positioned higher than the first base wall, for space saving below. A peripheral containing region is disposed to extend from one side of the intermediate containing region, for containing a portion of the disk protruded from the intermediate containing region, the peripheral containing region having a third base wall positioned higher than the second base wall, for space saving below.

Abstract: A disc cartridge includes upper and lower shells making up a cartridge body, and with the lower shell, a first-rectangular plate, and disc holders making up the side wall of the cartridge body provided to first-side edges of the first-rectangular plate, and also slidably supporting a disc are provided, and second-side edges which face each other are opened, with the upper shell, a second-rectangular plate, standing wall members provided to third-side edges of the second-rectangular plate, making up the front and rear faces of the cartridge body, and a dividing wall provided to fourth-side edges are provided, and with the disc holders, an disc insertion/ejection opening from the second-side edges is provided to one edge, and a push-out opening for a disc push-out member is provided to the other edge, and when the shells are combined together, the second-side edges are closed, and are opened when the shells are separated.

Abstract: A housing included in an optical disc device 1 includes a top case 2 and a bottom case 3. The top case 2 includes a ceiling plate 2a and side plates 2b. The bottom case 3 includes a bottom plate 3a and side plates 3b. The top case 2 and the bottom case 3 are assembled and fixed to each other so that the side plates 2b of the top case are located on the outer sides of the side plates 3b of the bottom case. The top case is formed with a groove 2d and flat portions 2e on an inner-side end portion of the ceiling plate 2a of the top case, the groove 2d and flat portions 2e extending along bent portions 2c of the side plates 2b of the top case. The flat portions shield the groove 2d.

Abstract: An optical disc drive includes a housing with a protrusion and a tray capable of sliding in and out of the housing. The tray includes a first surface, and a second surface opposite to the first surface. The first surface is partially recessed to form a receiving space for accommodating an optical disc. The second surface defines a channel, and forms a blocking portion at one end of the channel. The protrusion slides in the channel to guide the tray to slide in and out of the housing, and cooperates with the channel to prevent the tray from vibrating. When the tray is fully extended from the housing, the protrusion is located at the end of the channel forming the blocking portion, thus the protrusion is blocked by the blocking portion from sliding too far so that the tray is prevented from sliding off the housing.

Abstract: Disclosed herein is a disk chucking apparatus. The apparatus includes a central boss which is coupled to a rotating shaft of a motor, a guide which extends from the central boss outwards and is inserted into a center hole of a disk, and a chucking unit which extends from the central boss outwards. The chucking unit is elastically deformable inwards when pushed by the disk that is fitted over the guide. The chucking unit includes a lower horizontal part, a vertical part and an upper horizontal part. The lower horizontal part extends from the lower portion of the central boss outwards in the horizontal direction. The vertical part is bent from the outer end of the lower horizontal part upwards. The vertical part extends in a direction inclined outwards. The upper horizontal part extends from the upper end of the vertical part inwards in a horizontal direction.

Abstract: In an optical disc device, the device effectively reduces noise generated during the time of optical disc revolution and at the same time prevents a tray and an optical disc placed on the tray from coming into contact with each other or a circuit board mounted on the tray from undergoing electrostatic destruction. A circuit board for controlling a spindle motor and a pickup is mounted on a tray for placing an optical disc on the reverse side of the rear area. There are formed through-holes crookedly piercing through the tray in the thickness direction in the rear area of the tray. The through-holes are so constructed that their openings on tray's reverse side are invisible from their openings on tray's face side.

Abstract: An optical disc drive includes a main body, a cover, an extension, and an elastic element. The cover includes a pivoting portion and is pivotably connected to the main body via the pivoting portion. The extension is connected to the pivoting portion. The cover is adapted for pivoting relative to the main body to drive the extension to move along a movement path. The elastic element is disposed on the main body and includes two first limiting portions opposite to each other. The movement path extends through a gap between the two first limiting portions. A distance between the two first limiting portions is smaller than an outer diameter of the extension.

Abstract: A reproduction device of a recording medium and a method for operating the same are disclosed. The reproduction device of a recording medium comprises a recording medium loading unit loading the recording medium, and inputting and/or outputting data of the recording medium; a main board provided with a central processing unit implementing reproduction of the recording medium in accordance with an input signal or a previously set program; and a key operation unit directly connected with a loader of the recording medium loading unit. Accordingly, the sub application processing open and/or close of the recording medium loading unit is actuated after a power supply of the reproduction device is turned, whereby the time required to detach or insert the recording medium from or to the reproduction device can be reduced.

Abstract: The tray of the disc device includes the ground member including the base cover that substantially covers the electronic component and the ground extension portion, and the front projection located forward in the tray-out direction relative to the ground extension portion. The casing includes the casing-side ground contacting portion that contacts the ground extension portion in a tray-in state. In the tray-in state, the ground extension portion and the casing-side ground contacting portion are contacted so that static electricity is flowed to the casing via the ground member, thereby preventing the static electricity from flowing and damaging the electronic component. Even when the ground extension portion is deformed in the tray-out direction, the contact between the ground extension portion and the front projection prevents excessive deformation of the ground extension portion. Thus, the disc device can be easily handled without fearing damage to the ground extension portion.

Abstract: A tray of an optical disc drive for loading an optical disc in and out of the optical disc drive includes a depression for disposing the optical disc, a hollow space for providing a space for an optical pickup to access data while the optical pickup moves along a radial direction of the optical disc, a depressed portion formed at the middle portion of a rear end of the tray, and a reinforcement means formed of rigid material and disposed at the depressed portion for enhancing rigidity of the tray. The depression and depressed portion are monolithically formed.

Abstract: A door opening and closing mechanism includes an apparatus body, a door configured to open and close a side face of the apparatus body, a closing mechanism configured to move the door from an open position to open the side face to a close position to close the side face, a control switch provided in the apparatus body, the control switch being operated from an operation hole opening in the side face, and a control button provided in the door and configured to press the control switch from the operation hole at the close position of the door. The control switch is provided at a position shifted from the operation hole toward the interior of the apparatus body.

Abstract: A clamp structure in a disk playing device is structured so that a clamper and a turntable are magnetically coupled to each other to sandwich a disk and that one of the clamper and the turntable is separated from the other to release magnetic coupling and detach the disk. The clamp structure may include a disk stopper for supporting the disk when, for example, the turntable is to be separated from the clamper to prevent the disk and the clamper from following and moving together with the turntable. The disk stopper may be disposed so as to face a non-recording area except a recording area of the disk and the disk stopper may be structured by utilizing a part of a chassis or a feeding roller for feeding the disk.

Abstract: A disk drive apparatus includes at least one disk, a head-arm assembly, and a controller circuit. The head arm assembly includes at least one read/write head. The head-arm assembly is movable to enable the read/write head to access a writable surface of the disk. The controller circuit also causes the read/write head to record data on the writable surface of the disk in a write append format.

Abstract: A device and a method for automatically turning over a disc relate to a guide rod provided with a movable member. The movable member is assembled to a rotating member via a pivot member in such a manner that the movable member can axially move along and radially rotate around the guide rod. The pivot member is disposed between the movable member and the rotating member and powered to rotate. The rotating member is provided with a disc-carrying device in a direction of its rotation around the pivot member for taking the disc. The pivot member drives the disc to rotate via the rotating member, so as to turn over the disc, so that the rotating member makes the disc slide down into the tray in an inclined manner.

Abstract: A storage device includes a first loading tray to comprise a loading surface on which to abut a non-recording surface of said portable recording medium, a second loading tray to comprise a loading surface, parallel with the loading surface of said first loading tray, on which to abut a recording surface of said portable recording medium loaded in the way of being turned in the same direction as that of the recording surface of said portable recording medium loaded into said first loading tray, and an access unit disposed on the side of the recording surface to access the recording surface of said portable recording medium even in such a case that said portable recording medium is loaded into any one of said first loading tray and said second loading tray.

Abstract: A disk holding device is for use with a disk having a center hole. A disk holding mechanism with coupling levers is movable between a holding position and a release position, for engagement with an edge of the center hole when in the holding position, and for coming away from the edge when in the release position. A solenoid shifts the disk holding mechanism, to hold the disk by setting the disk holding mechanism in the holding position, and to enable loading or unloading of the disk by setting the disk holding mechanism in the release position. A separating projection is opposed to the edge when inserted in the center hole, for receiving the edge while the disk holding mechanism moves to the release position, to ensure separation of the disk from the disk holding mechanism.

Abstract: A compact disc handling apparatus comprises a frame body, a fixed board including a through hole and being fixed on the frame body, a sliding board including an inserting hole, a fixed plate being fixed in the inserting hole of the sliding board and having an area smaller than half of the area of the inserting hole, a movable plate movably installed in the inserting hole of the sliding board, a movable unit located between the fixed plate and the movable plate to enable the movement of the movable plate, a drive unit driving the sliding board to move transversely on the fixed board, and a control unit controlling the movement of the movable plate. The sliding board is movably assembled on an upper end surface of the fixed board in such a manner that the inserting hole is in alignment or staggered with the through hole.

Abstract: The present invention provides a disk drive with a compact size that makes it possible to effectively utilize space within a disk drive and permits a straightforward layout of members. The disk drive comprises a disk holder 10 that has a plurality of holder plates 11 that individually hold disks D, a drive unit 62 that plays back disks D, disk selectors 41A and 41B that form a space above and below a desired disk D by raising and lowering the holder plates 11, and a drive base 60 that moves the drive unit 62 into the space that is formed by raising and lowering the holder plates 11. The opening amount of the disk holder 10 by the rise and fall of the holder plates 11 is fixed. The height of insertion of disk D into the disk holder 10 is on the upper side between the highest holder plate 11 and the lowest holder plate 11 when the disk holder 10 is open.

Abstract: The present invention relates to design and construction of a mini and compact optical disc autoloader. By way of a flip-flop device positioned and pivoted between two disc trays, the robotic arm movement is simplified to a one-dimensional linear fashion and greatly reduces the cost of production and also cost of maintenance. The present invention also allows for multiple write drives to be easily built into present invention, creating an efficient duplicating system. It can be used for the home and small business environment for small volume optical duplication, storage and management.

Abstract: When a medium selection button 101 is operated, an optical disc reproduction apparatus 1 recognizes which medium is selected according to inputted medium selection information, and then opens a tray 104. Next, when a medium selection button 101 is operated, the optical disc reproduction apparatus 1 determines the inputted medium selection information and closes the tray 104. Next, the optical disc reproduction apparatus 1 acquires a priority list 16 and modifies the priority list 16 such that the order of the selected medium in the priority list 16 is a first priority and the remaining orders of the other media are successively lowered. The optical disc reproduction apparatus 1 performs a medium check for each of the media in accordance with the orders of the modified priority list 16.

Abstract: A disk drive includes: a pair of guide walls, which is arranged in the vicinity of the holder opening of a cartridge holder to define a direction in which a disk cartridge is supposed to be inserted; a first opening/closing lever, which has a first engaging portion that engages with a portion of the disk cartridge and which rotates while the disk cartridge is being inserted or ejected; and a second opening/closing lever, which has a second engaging portion that engages with another portion of the disk cartridge and which rotates while the disk cartridge is being inserted or ejected. The first and second opening/closing levers rotate so as to leave a broader gap between the first and second engaging portions than between the guide walls when the drive gets loaded with the disk cartridge, thereby opening a window in the disk cartridge.

Abstract: Disclosed is a spindle motor comprising: an integral turntable including: a table on which a rotating body to be installed, and an inner side wall and an outer side wall formed to be recessed upwards at a portion therebetween on a lower surface of the table so that a predetermined hollow is formed, a surface of thereof being formed slant; a ball cover for covering a ball inserted into the hollow and the hollow; a rotation shaft an upper portion of which is inserted into a center of the integral turntable; a bearing supporting a lower portion of the rotation shaft; a coil formed on an outside of the rotation shaft; and a magnet formed on an outside of the coil.

Abstract: A recording apparatus includes a tray in which a recording material is to be set, the tray being reciprocated between a first position where the tray is exposed to allow the recording material to be set therein and a second position shifted from the first position in a first direction, where the tray is stored; a transporting mechanism that applies transportation force for reciprocating the tray; and a transportation-force transmitting member that is connected to the tray to mediate transmission of the transportation force to the tray and is capable of increasing or decreasing a space occupied by the transportation-force transmitting member in the direction of reciprocation.

Abstract: A recording apparatus includes a transport roller that transports recording materials, a holding tray for setting a first recording material, which is configured to be advanced and retracted between a first position wherein the first recording material can be transported by the transport roller and a second position wherein the holding tray is retracted from the first position, and a path forming member for guiding a second recording material from above or below the second position to a position wherein the recording material can be transported by the transport roller, in which a front end portion of the holding tray being retracted to the second position protrudes to a position located between a guide path formed by the path forming member and the transport roller.

Abstract: A marking device for marking optical discs in a non-destructive, tamper-proof manner for licensing and other purposes such as part of a digital content library service includes top and bottom structures coupled together by a hinge. The bottom structure is adapted with a mounting post in a recessed area defined by opposing curved ledges to hold an optical disc for marking. The top structure is adapted with a removable tool having an embossed symbol for impressing a mark on the held optical disc by applying pressure to the top structure when the device is in a closed position. The top structure is also adapted with perforations for alternatively or additionally injecting a permanent ink onto the optical disc so that a mark defined by the pattern of perforations may be placed on the optical disc.