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 holding mechanism is operable to hold a top medium from a plurality of plate-shaped media accommodated in a stacker in a stacked manner. A transport arm supports the holding mechanism. The transport arm is provided with a separation mechanism operable to separate a second medium positioned just below the top medium which is held by the holding mechanism.

Abstract: An optical disc apparatus of the present invention is configured to include: a chassis which includes a supporting portion that supports an optical pickup, a pickup moving mechanism, and a disc motor, and coupling portions that are coupled to a tray at plural points, which is formed of a synthetic resin material, and in which the supporting portion and the coupling portions are integrated with each other; and a flexible flat cable which electrically couples between a first circuit substrate fixed to the bottom case side and a second circuit substrate fixed to the tray or the chassis side, and which is arranged between a bottom cover and a bottom case while its plane surface is folded in a state where the tray is inserted into an apparatus body.

Abstract: An optical disc drive device has a metallic exterior casing and an internal unit to be housed in the exterior casing. The internal unit further includes an optical pickup unit for performing recording or reproduction of information signals on an optical disc, and a printed wiring substrate on which a connector electrically connected to the optical pickup unit and serving for transmission and reception of electrical signals from and to external electronic equipment is mounted. The exterior casing has an opening for allowing the connector to be exposed outside, the printed wiring substrate has a ground pattern formed to surround the connector, and a fringe portion of the opening of the exterior casing and the ground pattern are in electrical contact with each other. Thus, radiation noise from around wiring lines contained in the optical disc drive device or the like is reduced.

Abstract: An optical disk drive is disclosed to fix a main board in the casing and a second board under the tray. A flat cable on the bottom of the casing connects the main board with one end, and forms a bent portion to connect the connector of the second board at the other end. A cable protection device close to the connector is fixed under the tray to face the bent portion with an incline for preventing the bent portion from bending.

Abstract: An optical recording apparatus includes a traverse, a control circuit board, a shield substrate and an flexible flat cable (FFC). The traverse includes a spindle motor for rotating an optical disc and an optical pickup head for reading and/or writing the optical disc, the optical pickup head moves along a radial direction of the optical disc when reading and/or writing the optical disc. The FFC electrically connects the optical pickup head and the control circuit board and transmits signals between them, and a portion of the FFC adjacent to the second end is bent to facing the shield substrate. The shield substrate includes at least two limiting members, and the at least two limiting members are positioned at two opposite sides of the portion of the FFC facing the shield substrate to enable the portion of the FFC facing the shield substrate to move along the first direction.

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 disc drive (ODD) including a tray having a spindle motor, an optical pickup unit, and a transfer motor, may have first and second flat cables. The first flat cable may be connected to the transfer motor, and the second flat cable may have a first terminal part connected to the first flat cable and a second terminal part connected to a circuit board. The circuit board may be arranged at the front of the tray. The second flat cable may include a plurality of signal lines covered by an insulator. One or more exposure parts may be formed in the second flat cable to expose at least one of the plurality of signal lines. An electric actuator of a locking unit may be connected to the one or more of the plurality of signal lines through the one or more exposure parts.

Abstract: The electronic device pertaining to an embodiment comprises a housing that holds an optical disk. The housing comprises a holding space holding an optical disk, a first internal space being apart from the holding space and in which a first electronic component controlling a pickup is disposed, an intake channel leading from the first internal space to the holding space, and an exhaust channel leading from the holding space to a specific space being distinct from the first internal space.

Abstract: An electronic device able to read an optical disc includes a base, a cover, a driving unit for rotating and supporting the optical disc, and a shutdown device. The shutdown device is arranged between the base and the cover, and includes a raster sensor and an engaging component. The engaging component is secured to the cover and pivots about the base. When the cover is opened, the engaging component moves away from the raster sensor, the raster sensor emits a first control signal in response, which controls the driving unit to stop rotating.

Abstract: An electronic device includes a housing having top and bottom walls, and an optical disk drive disposed in the housing between the top and bottom walls and including a supporting plate, and a motor shaft disposed at the center of the supporting plate. An optical disk drive support module includes an upper support unit provided on the top wall and having a rotatable element disposed above the motor shaft, a lower support unit provided on the bottom wall below the motor shaft, a bracket connected to the optical disk drive and including top and bottom plates. When the optical disk drive is inserted into the housing, the top plate presses the rotatable element downwardly toward the motor shaft, and the bottom plate pushes the lower support unit upwardly toward the supporting plate. A rolling unit is provided on the top plate, and is in rollable contact with the rotatable element.

Abstract: An electronic device for reading or writing to an optical disc includes a base and a traverse module set on the base. The base defines a receiving portion for receiving the optical disc. The traverse module is used for rotating and supporting the optical disc and comprises at least one friction-reducing component. The at least one friction-reducing component protrudes out of the bottom of the receiving portion and is positioned between the optical disc and the traverse module for preventing the optical disc from rubbing against the bottom of the receiving portion.

Abstract: An information processing apparatus includes a connector electrically connected to a drive unit in a state where the drive unit is connected to the information processing apparatus, a detector configured to detect an operation performed on a specific button disposed on the drive unit based on a change in a voltage of a specific pin of the connector in a state where the drive unit is connected to the information processing apparatus and an operational voltage is not applied to the drive unit and a power controller configured to start applying the operational voltage to the drive unit via the connector in response to the operation detected by the detector.

Abstract: An optical disc apparatus, presenting recording quality without degradation by an extreme temperature rise in an objective-lens drive mechanism in an optical pickup, includes a mechanical chassis on which a disc rotation mechanism, an optical pickup, and a transfer mechanism are mounted, a decorative plate that is a plate-shaped member located between the disc and the optical pickup and fixed on the mechanical chassis, a disc tray for loading and removing the disc, a circuit board for operation control, and an apparatus housing containing the components. A recess is formed in an indented shape in a portion of the mechanical chassis facing an outer peripheral region of the disc recording surface. An incline is formed in a position close to an opening of the disc tray for mounting the mechanical chassis and opposite the outer peripheral region of the disc recording surface, and slopes gently down to the recess.

Abstract: An electronic device including a mechanism for changing the relative positions of two circuit boards such as in an optical disc drive is provided. A flexible printed circuit electrically connected between the two circuit boards changes shape to suppress fluctuations in the transmission characteristics occurring due to contact with metal such as a case, and provides stable signal transmission. The flexible printed circuit includes at least one or more differential lines, a fixed unit affixed to a case at least at one location, and a movable unit that changes shape according to the relative positions of two cases. The lines adjacent to the differential line are a grounded surface, and the flexible printed circuit is formed to narrow the distance between the movable unit lines more than the distance between the fixed unit lines.

Abstract: A holding mechanism is operable to hold a top medium from a plurality of plate-shaped media accommodated in a stacker in a stacked manner. A transport arm supports the holding mechanism. The transport arm is provided with a separation mechanism operable to separate a second medium positioned just below the top medium which is held by the holding mechanism.

Abstract: A disk holding device for a disk having a center hole is provided. A disk holding mechanism 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 as actuator shifts the disk holding mechanism, to hold the disk by setting the disk holding mechanism in the holding position, and to release the disk by setting the disk holding mechanism in the release position. A regulating portion contacts a peripheral portion of an upper surface of the disk, to keep the disk retained on the disk holding mechanism by preventing skew relative to the disk holding mechanism. Preferably, the disk holding mechanism enters the center hole downwards and holds the disk on a lower side.

Abstract: There is disclosed a carrier (50) for a disk drive (100) for inserting a disk drive into a bay (22) of a storage enclosure (10), a storage enclosure and methods relating to the same. The carrier (50) comprises a housing for housing a said disk drive, and a latch member (61) slidably attached to the housing. The latch member has at least one latch part (64) for engaging with a corresponding engagement part of a said bay to latch the carrier (50) into position when the latch member (61) is slid in a latch direction to a latch position.

Abstract: A disc drive apparatus includes: an apparatus body to which a disc is inserted and from which the disc is ejected; a disc recording and reproducing unit having a disc loading unit configured to load the disc inserted into the apparatus body, a disc rotation drive mechanism configured to rotate the disc loaded onto the disc loading unit, an optical pickup configured to record and/or reproduce a data signal with respect to the disc, and a pickup feeding mechanism configured to convey the optical pickup in a radial direction of the disc; a disc conveying mechanism configured to insert the disc into the apparatus body and eject the disc from the apparatus body; and a conveyance drive mechanism provided in the apparatus body and configured to drive the disc conveying mechanism; wherein the apparatus body includes a shoulder which is reduced in thickness in the vicinity of an insertion end of the disc.

Abstract: A disk sorter for DVDs, CDs or other disks includes a sorter frame. Plural sorting trays are contained in the sorter frame in a multi-level arrangement, respectively have a front tray end and a rear tray end, are inclined downwards toward the front tray end, for containing a disk on a side higher than the front tray end upon reception with the rear tray end. A movable chute structure is disposed behind the rear tray end, movable up or down, inclined downwards toward the rear tray end, for supplying one of the sorting trays with the disk by guiding to the rear tray end. A disk transfer device holds the disk, and places the disk on the chute structure, to transfer to the one sorting tray. Furthermore, a lifting device moves up or down the chute structure, and positions the chute end at the rear tray end.

Abstract: The present invention discloses a slim optical disc drive comprising a case with an upper cover and a lower cover, a disc tray for loading and unloading an optical disc, a first circuit board disposed on the lower cover, a second circuit board disposed on the disc tray, and a flexible flat cable for connecting the first circuit board and the second circuit board. The flexible flat cable comprises a fixed portion and a movable portion, and a patch is adhered to the movable portion of the flexible flat cable. The patch has a first end and a second end, and the width of the first end is larger than that of the second end.

Abstract: Disclosed is an electronic apparatus including a main body portion, a tray main body, a tray auxiliary portion, a first top panel, and a second top panel. The tray main body is capable of being taken into and out of the main body portion and includes a mounted portion, a drive portion, an optical system, and a first store portion. The tray auxiliary portion includes a second store portion that is integrated with the first store portion of the tray main body to form a space capable of storing the optical disc mounted on the mounted portion.

Abstract: An optical disc drive including a chassis, a circuit board and a traverse is provided. The traverse includes a carrier, a pick-up head module, a spindle motor module and a flexible flat cable. The carrier has an opening. The pick-up head module is movably disposed in the opening. The spindle motor module disposed on the carrier is located at one side of the pick-up head module. The flexible flat cable disposed in the opening has two connection ends respectively connected to the pick-up head module and the circuit board. The pick-up head module located at a first position enables the flexible flat cable to have a bending portion protruding towards a direction opposite to the position of the spindle motor module. The pick-up head module located at a second position extends the bending portion. The first position is closer to the spindle motor module than the second position is.

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 printed circuit board (PCB) is attached on a surface of a tray that is opposed to a chassis main or a bottom plate of a housing. On the tray and in a vicinity of a position where the PCB is disposed, a first protruding portion is formed to protrude toward the chassis main, on which a second protruding portion is formed at a position to be opposed to the first protruding portion. Between the first protruding portion and the second protruding portion is a clearance while the tray is accommodated in the housing. When the tray deforms, the second protruding portion supports the first protruding portion to prevent further deformation of the tray.

Abstract: The present application relates to an optical disc apparatus for carrying out at least one of recording and reproduction of signals onto or from a data recording surface of an optical disc loaded in the optical disc apparatus. The optical disc apparatus is capable of being thinned and lightened while ensuring a mechanical strength and a stiffness, and also capable of restraining sticking of a flexible printed circuit (FPC) connected to the optical pickup and reducing the sliding resistance of the FPC during movement of the optical pickup.

Abstract: An exemplary electronic device includes a shell and a driving module disposed at an inner side of the shell. The driving module has a rotating shaft. The shell defines a recess. The rotating shaft extends through the recess of the shell and is located at a center of the recess. The recess of the shell includes a torus area. The torus area includes an inner side near the rotating shaft, and an outer side far from the rotating shaft. A bottom face of the recess slants gradually and downwardly from the inner side to the outer side of the torus area.

Abstract: A slot-in type disk apparatus in which a base body and a lid constitute a chassis sheath, a disk-insertion opening is formed in a front surface of the chassis sheath, a traverse base is disposed on a front surface side of the base body, a rear base is disposed on a rear surface side of the base body, a printed board is provided between the rear base and the base body, and a link arm is disposed between the rear base and the printed board, wherein an opening is formed in a portion of the rear base, a folded piece which is folded toward the opening is formed on a portion of the link arm, a space is formed on the side of the printed board by the folded piece, and a part to be mounted on the printed board is disposed such as to correspond to the space.

Abstract: A disk device includes a loader chassis, a control board, an optical pickup, a flexible flat cable, and a guide member. The loader chassis has a bottom plate with a through hole. The control board is fixedly attached to a lower face of the bottom plate of the loader chassis. The optical pickup is movable between inner and outer positions with respect to the loader chassis in inward and outward movement directions that are parallel to a radial direction of a disk. The flexible flat cable electrically connects the control board to the optical pickup and is partially disposed through the through hole. The flexible flat cable includes a bent end portion that is connected to the optical pickup. The guide member is formed on an upper face of the bottom plate of the loader chassis and guides the bent end portion upward with respect to the bottom plate.

Abstract: An optical disk drive includes a bracket, and a mecha module installed on the bracket. The mecha module includes a mounting plate fixed on the bracket, an optical pick-up head installed on the mounting plate in a slidable manner for reading or writing data in an optical disk, and a spindle motor installed on the mounting plate for rotating the optical disk. The optical disk drive further includes a rotary mechanism connected to the bracket and a base for driving the bracket to rotate into or out of an opening on a housing relative to the base.

Abstract: An optical disk unit includes a tray for supporting an optical disk thereon, a body for receiving the tray therein, a first board provided at the body, a second board provided at the tray, and a wiring board (flexible board) electrically connecting the first board and the second board together. The wiring board (flexible board) has a number N of bent portions, the wiring board being bent at the number N of the bent portions of the wiring board, such that the wiring board is superposed in (N+1) layers where N is an integer equal to or greater than 1, and an area of the (N+1)-layer superposed portion is changed according to an amount of drawing-out of the tray.

Abstract: A disc drive has a loader, a traverse, a circuit board and a supporting frame. The loader has a first side wall, a second side wall and a third side wall that is perpendicular to the first side wall and the second side wall. The circuit board has a first side, a second side and a third side that is perpendicular to the first side and the second side. The supporting frame extends from the second side wall of the loader and has a supporting surface. The third side of the circuit board is shorter than the third side wall of the loader, and the second side of the circuit board is disposed on the supporting surface of the supporting frame.

Abstract: An optical disk apparatus is disclosed which includes a first printed circuit board, on which a first circuit pattern is formed; a rotor, on which an optical disk may be placed, and which is electrically connected with the first circuit pattern; a second printed circuit board, which is stacked adjacent to the rotor on a surface of the first printed circuit board, and on which a second circuit pattern is formed; a sensor unit, which is mounted on the second printed circuit board in electrical connection with the second circuit pattern, and which is configured to sense a rotation of the optical disk; and a support plate, which supports the first printed circuit board and the rotor. In this optical disk apparatus, a separate printed circuit board can be utilized to support the sensor unit, whereby manufacturing costs can be reduced and working efficiency can be improved.

Abstract: There is provided an optical pickup apparatus in which the collimator lens cannot be scratched before the support base for the objective lens actuator is fixed, and further dust can hardly come in and be deposited to result in contaminating the collimator lens and thereby degrading the performance for recording and/or reproduction. A pair of movement limiting walls 11 and 11 for limiting the horizontal movement of a support base 3 for an objective lens actuator 2 are formed on the upper surface of a base chassis 1 as contact prevention means for preventing the support base 3 from coming into contact with a collimator lens 5 before the support base 3 is fixed. The movement limiting walls 11 and 11 prevent the support base 3 from coming into contact with and scratching the collimator lens 5.

Abstract: A storage/retrieval device for optical disks includes a container having an access slot. A disk shelf is rotatably mounted in the container and includes a plurality of storage compartments each for receiving an optical disk. A driving roller and a driven roller are rotatably mounted in the container for moving an optical disk into or out of the container via the access slot. An ejecting member includes a first end pivotably supported in the container and a second end operably coupled with the driving roller. The ejecting member is pivotable between a first position in one of the storage compartments for moving an optical disk in the storage compartment out of the storage compartment and a second position outside the storage compartment. A motor is provided to drive the driving roller for rotating the driving roller and the driven roller in opposite directions and for pivoting the ejecting member.

Abstract: There is provided an information-processing equipment including an optical disc drive 40 within a chassis 31 thereof, the optical disc drive comprising: a turntable 41 for rotatably supporting an optical disc; an optical pickup 42 for recording an information signal onto the optical disc and/or reproducing an information signal recorded on the optical disc, and a movement mechanism 43 for moving the optical pickup in a radial direction of the optical disc; wherein a step part 37 extending in a predetermined direction Ls is formed on an inner surface of the chassis in an area where the optical disc drive is to be fixed, and wherein the optical disc drive is fixed in the area on the inner surface of the chassis at three portions 46A, 46B, 46C positioned straddling the step part.

Abstract: There is provided an optical disc drive comprising: a chassis assembly formed in a box shape, including a chassis; and a tray on which an optical disc is loaded, wherein: the tray is able to move between a close state in the chassis assembly and a open state ejecting form the chassis assembly; the optical disc drive further comprises a flexible wiring member for connecting a first circuit board mounted on the chassis and a second circuit board mounted on the tray; the flexible wiring member includes a thicker reinforced part in a part of the flexible wiring member than in the other part of the flexible wiring member; and the reinforced part has a width which is narrower at an end on the chassis side than the other part of the reinforced part.

Abstract: There is provided an optical disc drive designed for reading data stored in an optical disc. The optical disc drive includes a body, a driving module, a body wrapping unit, and an access module designed for reading data stored in the optical disc. The driving module and the access module are both disposed in the body. The driving module has a circuit board and a driving element disposed on the circuit board, and the body has a plurality of latching structures. The driving mechanism is secured to the body with the use of the latching structures, and the driving mechanism is secured at one side of the latching structures. Moreover, the body wrapping unit used to cover the body has at least a limiting portion which is positioned at another side of a portion of the latching structures.

Abstract: The invention provides a disc device capable of offering good SATA interface performance by optimizing the placement of the SATA connector relative to the control board, solving problems concerning noise or unnecessary radiation. A driver IC and DSP for executing main processing concerning disc recording or reproduction processing are installed in a main printed circuit board. A SATA connector having a power supply terminal and signal terminal is fixed to the main printed circuit board. The SATA connector is placed on the board opposite the DSP. Patterns each connecting the power supply terminal to the driver IC and connecting the signal terminal and DSP are formed on the board. The SATA connector and DSP are placed on the driver IC side relative to the central line of the board, the power supply terminal is placed on the driver IC side, and the signal terminal is placed on the DSP side.

Abstract: A disc device has a plurality of arms configured to support the outer rim of a disc carryable. Automatic loading is applied such that the disc inserted can be carried in the device, and the disc housed inside the device can be carried out of the device. A pair of shutter pieces are located on the central portion of a slot in a front bezel to be used to insert the disc therethrough and are spaced at a certain interval. The shutter piece rotates about one end thereof to raise/tumble the other end thereof. The tumbled shutter piece changes to the raised state after the disc is housed in the device while the shutter piece changes to the tumbled state before the disc housed inside the device is carried out of the device.

Abstract: Two positioning levers for positioning a disk and two detecting levers are provided outside an area in a disk loading device where the disk is to be mounted. A large-diameter disk is positioned when both of the two detecting levers come in contact with the disk. At the time of insertion of a small-diameter disk when one of the detecting levers comes in contact with the disk, the two positioning levers do not move and the small-diameter disk is positioned.

Abstract: A lightweight radio/CD player for vehicular application is virtually “fastenerless” and includes a case and frontal interface formed of polymer based material that is molded to provide details to accept audio devices such as playback mechanisms (if desired) and radio receivers, as well as the circuit boards required for electrical control and display. The case and frontal interface are of composite structure, including an insert molded electrically conductive wire mesh screen that has been pre-formed to contour with the molding operation. The wire mesh provides EMC, RFI, BCI and ESD shielding and grounding of the circuit boards via exposed wire mesh pads and adjacent ground clips. The PCB architecture is bifurcated into a first board carrying common circuit components in a surface mount configuration suitable for high volume production, and a second board carrying application specific circuit components in a wave soldered stick mount configuration.

Abstract: A first groove, a second groove, and a prepared hole are formed in a traverse chassis. The first groove restricts the downward movement of a printed circuit board as a lower edge portion of the board is slidably pinched in the first groove. The second groove restricts the sliding movement in one direction of the board as an edge portion on one side of both lateral sides of the board whose lower edge portion is nipped in the first groove is fitted in the second groove. The prepared hole vertically penetrates a portion of the traverse chassis defining the first groove and is disposed adjacent to an edge portion on another side of the both lateral sides of the board whose edge portion on the one side is fitted in the second groove.

Abstract: A slim optical disc drive including a deck having a protrusion on which a spindle motor that rotates an optical disc and an optical pickup sliding along a radial direction of the optical disc drive are mounted, a lower case installed so that the deck slides into and out of the lower case and having a penetration corresponding to the protrusion, and a cover that covers the penetration.

Abstract: The heat dissipation of a pickup is improved in an optical disc apparatus of a slot-in type. A unit cover 16 on a disc-facing side of a unit mechanism 6 includes a circumferential plate 21, a lever supporting plate 22, a disc guiding plate 23, a flexible printed circuit board holding plate 24, a reinforcing plate 25, a driving part covering plate 27, ventilating openings near sub guiding shaft 28, an extended notch near sub guiding shaft 30, an outer extended notch 31, and an extended notch near main guiding shaft 32. With this configuration, plenty of air flow induced by the rotation of a disc 5 can be introduced to a pickup 9 also through the unit cover 16, greatly improving heat dissipation capability.

Abstract: The present invention relates to a disk drive apparatus or a base unit which can prevent contact between an FPC (flexible Printed Circuit board) and an optical disk. The FPC 116 is connected at one end portion thereof to an optical pickup 115 and is extended in one of feeding directions thereof (for example, in a substantially leftward direction), curved and turned back intermediately and then extended in the other one of the feeding directions (for example, in a substantially rightward direction). The top cover 117 is attached between the FPC 116 and the optical disk and covers part of the FPC 116. A guide part 118 is attached to a portion which corresponds to a framework of a dotted line on the lower face of the top cover 117 for guiding the posture of the FPC 116 so that a portion of the FPC 116 which is not covered with the FPC 116 and the optical disk are spaced away from each other. The present invention can be applied to a drive apparatus for an optical disk such as a DVD or a CD.

Abstract: A multiple drive array carrier apparatus and associated method is provided with a unitary two-row partition. The unitary two-row partition has a longitudinal end member. A plurality of first support members extend from the end member and support, in turn, a first set of coplanar engagement members. The first engagement members each define apertures configured for passing first fasteners therethrough to affix a first plurality of data storage devices to the first engagement members, defining a first row of data storage devices. A plurality of second support members also extend from the end member and define a second set of coplanar engagement members. Each of the second support members likewise define apertures configured for passing second fasteners therethrough in the same direction as the first fasteners to affix a second plurality of data storage devices to the second support members, defining a second row of data storage devices adjacent to and parallel with the first row.

Abstract: A pickup device comprises a flexible circuit member including a main circuit portion on which electric or electronic components are mounted and a sub-circuit portion connected to the main circuit portion. The pickup device further comprises a housing on which the flexible circuit member is mounted. Each of the main circuit portion and the sub-circuit portion has a single-sided structure and includes a ground portion. The sub-circuit portion is folded with respect to the main circuit portion. The flexible circuit member is mounted on the housing while the main circuit portion and the sub-circuit portion are held in an overlapping arrangement. With this arrangement, S/N ratio of electric signals can be improved while achieving cost reduction.

Abstract: An optical disc apparatus includes a cage, a frame, a main body, a circuit board, and an electrical connector. The frame is received in the cage and includes a first chamber and a second chamber. The first chamber and the second chamber are separated from each other. The main body is installed in the first chamber of the frame and is adapted for reproducing information from the optical disc. The circuit board is attached to the frame. The electrical connector is installed on the circuit board and is received in the second chamber of the frame. The electrical connector is capable of outputting reproduced information.

Abstract: An optical pickup device includes an optical system unit, a circuit board to control the optical system unit, and send and receive signals, a housing to place the optical system unit and the circuit board, and a flexible printed circuit board to connect electrically with the circuit board, extend to an outside from the housing, and fold back an extended portion, an extended direction of which is changed, in which the flexible printed circuit board is folded back so as to be faced to a side surface of the housing positioned at an extended proximal portion of the flexible printed circuit board, and a dead space of an optical disc apparatus to be mounted with the optical pickup device can be effectively used without making the apparatus large and thick, taking an inner space widely.