Abstract: A lightweight radio/CD player for vehicular application includes a case and frontal interface formed of polymer based material molded to provide details to accept audio devices 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 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: Provided is a cooling apparatus of a portable computer. The cooling apparatus includes one or more ventilation holes formed on the body thereof, and a cooling fan module mounted in the body. An optical disk drive (ODD) module mounted in the body drives the cooling fan module thereby reducing power consumption of the cooling module.

Abstract: An optical pickup device is provided, a cover of which covering a housing is prevented from deforming. A principal surface of an optical pickup device of the present invention is covered with a cover 13. The cover 13 includes: a cover portion 13G; a hole portion 13 provided at an end in the longitudinal direction and is screwed; an engagement portion 13A provided at the other end in the longitudinal direction and is engaged with the housing; and an engagement portion 13D engaged with the opening portion of the housing in the middle part. The engagement portion 13D placed in the middle part of the cover portion 13G is engaged with the housing to prevent the cover portion 13G from bulging outward.

Abstract: In one embodiment of a data storage device, the inside of its housing 111 is divided into first and second spaces 1 and 2 by a chassis 110. The data storage device includes at least one optical pickup 104 that writes data on a storage medium and a heat radiating member 109 which is thermally coupled to the optical pickup 104 to transfer the heat generated by the optical pickup 104. The optical pickup 104 and the heat radiating member 109 are arranged in the first and second spaces 1 and 2, respectively.

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: 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: Aspects of the invention include a method and apparatus for cooling a hard drive in a hard drive array. In one example, the cooling device has similar dimensions as a hard drive on a server. Within the cooling device is a fan. The positioning of the fan provides both impingement and indirect airflow on a hard drive. The cooling device may also have power and data connections identical to those of the hard drive. These connections allow the cooling device to be connected and controlled by a control unit. The control unit may operate to monitor and control the temperature of the hard drive by controlling the power and speed of the fan. In another example, the cooling device is operable to cool DIMMs on a circuit board.

Abstract: An electronic device includes a motherboard and a heat dissipating plate. The motherboard includes a base. The base includes a number of ports and an electronic element. The heat dissipating plate includes a substrate and a number of fasteners extending out from the substrate for engaging with the number of ports of the motherboard. The substrate defines a bulging cavity for engaging with and dissipating heat from the electronic element.

Abstract: An exemplary electronic device includes a cover, a circuit board and a driving module both mounted on the bottom cover, an electronic component fixed on the circuit board, a heat dissipating plate mounted on the circuit board and thermally contacting the electronic component, and a top cover covering the bottom cover. The driving module has a rotating shaft adapted for supportively driving an optical disk to rotate. The electronic component generates heat during operation. Through holes are defined in the top cover and located at a periphery of the rotating shaft. Two opposing elongated extending portions extend downwardly from the heat dissipating plate towards the circuit board. An airflow channel is formed between the two extending portions under the heat dissipating plate and aligned with the electronic component.

Abstract: An exemplary electronic device includes a cover, a motherboard and a driving module both disposed at an inner side of the cover, an electronic component fixed on the motherboard, and a fan duct mounted on the motherboard and covering the electronic component. The driving module has a rotating shaft for supportively driving an optical disk rotating. The fan duct guides hot air therein toward the driving module.

Abstract: In one embodiment of a data storage device, the inside of its housing 111 is divided into first and second spaces 1 and 2 by a chassis 110. The data storage device includes at least one optical pickup 104 that writes data on a storage medium and a heat radiating member 109 which is thermally coupled to the optical pickup 104 to transfer the heat generated by the optical pickup 104. The optical pickup 104 and the heat radiating member 109 are arranged in the first and second spaces 1 and 2, respectively.

Abstract: An optical pickup apparatus comprising: a housing configured to include an optical component including a laser diode emitting a laser beam, the housing being made of metal; and a heatsink configured to dissipate heat generated from the laser diode, the heatsink being made of metal different from the metal of the housing; the heatsink being fixed to the housing with one screw and adhesive.

Abstract: An electronic apparatus 1 in which is mounted an electronic unit having a plurality of heat-generating sections including at least a first heat-generating section and a second heat-generating section includes: a hold frame 9 for holding the electronic unit, a first heat-conducting member 11 for transmitting heat generated by the first heat-generating section, a second heat-conducting member 11 for transmitting heat generated by the second heat-generating section, and a cooling unit 8 for releasing the heat transmitted through the first and second heat-generating sections; in which apparatus, the first heat-conducting member 11 is heat-connected to the cooling unit 8, and the second heat-conducting member 11 is heat-connected to the cooling unit 8 via the hold frame 9.

Abstract: An exemplary electronic device includes a cover, a circuit board and a driving module both mounted on the bottom cover, an electronic component fixed on the circuit board, a heat dissipating plate mounted on the circuit board and thermally contacting the electronic component, and a top cover covering the bottom cover. The driving module has a rotating shaft adapted for supportively driving an optical disk to rotate. The electronic component generates heat during operation. Through holes are defined in the top cover and located at a periphery of the rotating shaft. Two opposing elongated extending portions extend downwardly from the heat dissipating plate towards the circuit board. An airflow channel is formed between the two extending portions under the heat dissipating plate and aligned with the electronic component.

Abstract: In a prior art slim-type high speed rotation optical disk apparatus, the side wall of the bottom chassis is bent at a bending point toward the side of the optical disk according to the configuration of the corner air window section of the chassis. According to the present invention, this bent side wall is formed so as to have a first vertical wall which is adjacent to the bending point and a second vertical wall which is adjacent to and lower than the first vertical wall. This constitutes an L-shaped vertical wall in the air window section of the bottom chassis, resulting in reduced noise.

Abstract: For the purpose of suppressing an increase of temperature of a laser element, in an optical disc drive, even in case when recording/reproducing at such a low double speed that almost no expectation can be made upon the effect of the convection cooling due to circulating flow of an air, which is generated by rotation of a disc, and in particular, the structure for fixing both end portions of a main shaft, which is engaged with a transfer mechanism for moving an optical pickup into the disc radial direction, through the optical pickup, between two (2) pieces of shafts for supporting the optical pickup, one of which forms the main shaft, onto connector portions to be engaged with the both end portions of the main shaft, upon a mechanical chassis, on which is mounted at least a disc rotation mechanism, etc.

Abstract: An optical disk recording/reproducing device includes a turntable 7 configured to rotate an optical disk 9 and an optical head 3 configured to record/reproduce information in/from the optical disk 9. A stepping motor 13 to drive a collimator lens 16 is mounted on a head base 17 of the optical head 3 and a part of stator 42 of the stepping motor 13 is exposed through an opening 14a of a head cover 14, an opening 15a of a flexible substrate 15, an opening 13a of a cover 41, and an opening 13b of the cover 41.

Abstract: An optical disc drive includes a rotation device that rotates an optical disc in a clockwise direction when an upper surface of the optical disc is viewed, a disc mounting portion for mounting of the optical disc thereon has a recess portion, and an optical pickup which irradiates a laser beam on a lower recording surface of the optical disc. The disc mounting portion includes a first penetrating opening portion therethrough that extends from a center area of the recess portion to a periphery of the recess portion. The disc mounting portion further includes a single second penetrating opening portion therethrough being provided at a rear of the disc mounting portion and periphery at an upstream side of the clockwise rotating direction with respect to a center line of the first penetrating opening portion extending from a front to the rear of the disc mounting portion.

Abstract: An electronic device having a piezoelectric pump. The electronic device includes: an audio input section; an audio recording section recording input sound from the audio input section; a piezoelectric pump cooling air by a piezoelectric element; a drive circuit driving the piezoelectric element; and a control circuit monitoring and controlling operation of the audio input section, the audio recording section, and the drive circuit, wherein when an operation mode being monitored is an audio recording mode, in which the input sound is used for recording by the audio recording section, the control circuit controls the drive circuit to decrease the amount of air flow exhausted outside from the piezoelectric pump, and when the operation mode being monitored is another mode without audio recording, the control circuit maintains the amount of the air flow.

Abstract: Aspects of the invention include a method and apparatus for cooling a hard drive in a hard drive array. In one example, the cooling device has similar dimensions as a hard drive on a server. Within the cooling device is a fan. The positioning of the fan provides both impingement and indirect airflow on a hard drive. The cooling device may also have power and data connections identical to those of the hard drive. These connections allow the cooling device to be connected and controlled by a control unit. The control unit may operate to monitor and control the temperature of the hard drive by controlling the power and speed of the fan. In another example, the cooling device is operable to cool DIMMs on a circuit board.

Abstract: An optical disc apparatus, comprising a tray 2, attached to be insertable within housings 9 and 10, and within the housings are included a disc motor 3, an optical pickup 4 and a moving mechanism thereof, and also a unit mechanism chassis 5 for moving the optical pickup thereon and a controller substrate 71 disposed below the unit mechanism chassis for controlling the optical pickup, and further, a wide-width flexible cable 8 for electrical connection between the controller substrate and the optical pickup, wherein the optical pickup mounts laser units 41, 42 and 43 including three (3) pieces of elements, each emitting a laser light different in the wavelength thereof, a penetrating portion 2b and a wall portion 2e are provided in a part of left bottom surface of the tray, while forming a cutoff portion 55 in a part of the chassis, thereby guiding the airflow generated accompanying with rotation of the optical disc onto the optical pickup, with certainty.

Abstract: An optical pickup device 50 comprising a laser diode 1, a photo detector 2, a housing 3 having an optical system for guiding light from the laser diode 1 to an optical disk and guiding light reflected on the optical disk to the photo detector, a wiring 5 to supply current to the laser diode 1, and a metallic cover 9 provided outside of the housing 3, wherein the laser diode 1 is bonded to the housing 3 by adhesive, a metallic member 10 is mounted on the surface of the laser diode 1 by connecting thermally, and the metallic member 10 is thermally connected to the cover 9 by solder.

Abstract: An optical disc drive is fitted with a pickup, a non-contacting cooling plate, and a resinous movable spacer. The cooling plate adjacently faces and is fixed to the under, right, or left side of the pickup. The movable spacer is fitted to one of the facing sides of the pickup and cooling plate and prevents direct contact between the pickup and the plate. This drive structure prevents pickup movement interference due to collision between the pickup and the cooling plate, contamination production, needless electric conduction, etc., so that the clearance between the facing sides of the metallic pickup and metallic non-contacting cooling plate is narrow. The narrow clearance results in an improved heat conduction and radiation characteristic, improving the cooling of the whole pickup.

Abstract: An optical disk device includes an optical pick-up module including a rotating portion rotating an optical disk; a carriage mounting at least a light source and being provided movably within the optical pick-up module; and a cover having an opening formed thereon, a light being radiated from the light source through the opening toward the outside of the cover; and a tray supporting the optical pick-up module. The tray includes an optical disk attachment region portion opposed to the optical disk and an outside portion provided on an outside of the optical disk attachment region portion. The outside portion has a ledge along its portion adjacent to the circular perimeter of the optical disk.

Abstract: A pickup device (5) is provided with a pickup body (51) as a case; a heat source (61) thermally connected to the pickup body; and an optical component (13), which is fixed to the pickup body by a plurality of fixing sections including at least two fixing sections (131, 132) which are at different distances from the heat source and belong to the pickup body. The pickup body is provided with at least one of slits (100, 101) having prescribed widths, in a direction of reducing a binding force (F) which is a factor of preventing at last one fixing section (132) of the two fixing sections from being displaced due to thermal expansion in accordance with the distance from the heat source.

Abstract: This invention provides an optical disk device in which heat generated from an optical head and circuit board is dissipated without introduction of outside air or use of a fan. A through portion is provided in part of the mechanical block or outside of the portion on which a tray is projected for carrying a disk for reproduction or write, such that it extends from a disk side portion with respect to the tray to a portion opposing the disk with respect to the tray, in order to introduce air flow generated by disk rotation to an optical head and circuit board and dissipate heat generated at the time of recording or reproduction.

Abstract: In a disc array apparatus having a plurality of disc units, and a plurality of first connectors, each of which disc units includes a disc casing surrounding at least one recording disc rotatable therein on a rotatable axis, a casing holder on which the disk casing is mounted, and a second connector (detachably) connectable to corresponding one of the first connectors so that at least an electric connection between the disc casing and the corresponding one of the first connectors is capable of being formed through the second connector, the disk casing is connected to the casing holder in such a manner that a heat energy generated for at least one of recording an information onto the recording disc and reading out the information from the recording disk is capable of transferring from the disk casing to the casing holder.

Abstract: A recording-medium driving apparatus includes a loading unit in which a removable recording medium is loaded, an access unit that accesses the recording medium loaded in the loading unit, a detector that detects the relationship between the recording medium and the loading unit, an air-direction adjustment controller that determines to which of the loading unit and the access unit air is sent, on the basis of the detection performed by the detector, and a blower that sends the air to one of the loading unit and the access unit on the basis of the determination made by the air-direction adjustment controller.

Abstract: To provide an optical pickup device and optical disk device which can have a sufficient heat radiating effect without a new member for radiating heat, an optical pickup device includes a laser light source that emits laser light onto an optical disk; a power supply that supplies electric power to the laser light source; an upper surface cover that has a first opening section which introduces the wind generated by the rotation of the optical disk toward the power supply and that covers the power supply; and a side surface that is provided with a second opening section which discharges the wind introduced from the first opening section through the power supply.

Abstract: A disc apparatus for recording or reading data to or from a disc includes a tray having a table on which the disc is placed and a shielding member that covers the tray. The shielding member has a circular opening and a plurality of arc protruding members. Each arc protruding member is provided on an inner surface of the shielding member that covers the tray as protruding towards an upper surface of the disc placed on the table of the tray. An end of each arc protruding member is situated near the opening. Each arc protruding member has a protruding end with a height ranging from 1.0 mm to 1.5 mm from the inner surface of the shielding member.

Abstract: For the purpose of suppressing an increase of temperature of a laser element, in an optical disc drive, even in case when recording/reproducing at such a low double speed that almost no expectation can be made upon the effect of the convection cooling due to circulating flow of an air, which is generated by rotation of a disc, and in particular, the structure for fixing both end portions of a main shaft, which is engaged with a transfer mechanism for moving an optical pickup into the disc radial direction, through the optical pickup, between two (2) pieces of shafts for supporting the optical pickup, onto connector portions to be engaged with the both end portions of the main shaft, upon a mechanical chassis, on which is mounted at least a disc rotation mechanism, etc., has structures for enlarging a contacting area defined between the both end portions of the main shaft and the connector portions or pressure plates, each building up the connector portion (for example, a comb-like configuration).

Abstract: A heat source having a device emitting heat, a case protecting and supporting the device, and a thermoelectric element absorbing the heat emitted from the device and dissipating the heat to an outside.

Abstract: This invention provides a storage apparatus for inhibiting temperature increase in a chassis caused when a cooling fan or a module is detached and replaced due to the failure thereof. The storage apparatus comprises a controller for controlling data transfer, a power source supplying a power to a hard disk drive and the controller and having a fan, and a base chassis. The controller monitors a state of other controller and the power source, rotates the fan of the power source corresponding to the module in which a failure is detected at a first high speed higher than a normal rotational speed when detecting the failure of the other controller or the power source, and rotates the fan rotated at the first high speed at a second high speed higher than the first high speed when detecting the detachment of the module in which the failure is detected.

Abstract: An apparatus for cooling a compact disc includes an actuator for rotating the compact disc. An air-moving device is driven by the actuator and moves air about the compact disc.

Abstract: An optical pickup apparatus comprising: a housing configured to include an optical component including a laser diode emitting a laser beam, the housing being made of metal; and a heatsink configured to dissipate heat generated from the laser diode, the heatsink being made of metal different from the metal of the housing; the heatsink being fixed to the housing with one screw and adhesive.

Abstract: A DVD data drive (2) includes a disc drive housing (4) that includes a DVD cartridge (16) and an optical pick-up unit (10) joined to the DVD cartridge (16) such that sensitive parts of the OPU (10) may extend within the DVD cartridge (16) and are shielded from the inner environment (6) of the disc drive housing (4). A fan (22) and air inlet provide (20) for cooling the OPU (10) and DVD cartridge (16) by the forced convection of unfiltered cooling air directed through the disc drive housing (4). The OPU (10) and DVD cartridge (16) are joined by a dust seal (30) that ensures that the cooling air directed through the disc drive housing (4) is shielded from sensitive parts of the OPU (10) which remains dust-free.

Abstract: The disk array device (100) comprises at least one object of cooling that includes at least one of a plurality of disk type storage devices (150), and cooling parts (31U, 31L) that cool said object of cooling indirectly by means of a cooling medium.

Abstract: An optical disk device includes: an optical disk drive mechanism disposed in a housing-shape drive case (2), the optical disk drive mechanism including an optical head (7) on which a semiconductor laser (5) is mounted, a rotary driver for driving an optical disk (8), and a transfer mechanism for transferring the optical head (7); and an agitating fan (12) for making air in the drive case (2) flow. In the optical disk device, a wind path is formed so that the air in the drive case (2) flows in a manner in which it is drawn toward an agitating fan (12) side and the drawn air is discharged toward the optical head (7) or the semiconductor laser (5) by rotation of the agitating fan (12). Therefore, a rise in temperature of the semiconductor laser (5) can be suppressed effectively, while the dust proofing is ensured.

Abstract: A disk drive unit, such as a DVD recorder, comprises a turntable (3) having an axis of rotation (2?). An optical pickup unit (4) is provided next to the turntable. A cooling device directs a cooling air stream to the optical pickup unit to cool the hot components thereof. The cooling device comprises a centrifugal blower (5) having an axis of rotation (5?) substantially parallel to that of the turntable. The centrifugal blower (5) is accommodated in a housing (7) which is attached to a side of the disk drive unit within the height dimensions of the disk drive unit. This may lead to a cooling device having a high cooling capacity and a low noise level and which does not affect the height dimensions thereof.

Abstract: In a recording disk apparatus, a pickup element and an electric element for at lease one of supplying an electric power to at least one of a recording disk driving motor and the pickup and processing a signal to be recorded into the recording disk and/or the signal read from the recording disk are prevented from overlapping each other as seen in a thickness direction of the recording disk to restrain a thermal conduction between the pickup element and the electric element so that a thermal conduction restraining area extending along an imaginary directional line crossing an imaginary straight line passing the pickup element and the electric element as seen in the thickness direction is formed between the pickup element and the electric element as seen in the thickness direction.

Abstract: A disk drive having a base member, including: a printed circuit board installed on a rear surface of the base member, on which at least one chip is mounted; a first insulation panel arranged between the base member and the printed circuit board; at least one heat conductive plate arranged between the first insulation panel and the printed circuit board to absorb and transfer heat generated by the at least one chip; and a heat dissipative plate connected to the heat conductive plate and exposed to an outside of the disk drive to dissipate the heat transferred through the heat conductive plate.

Abstract: The object of the present invention is to provide an optical information storage apparatus and an optical information storage system with a mass-storage capacity in which adhesion of dust to an optical storage medium or an objective lens is suppressed. According to the present invention, a system housing contains an optical information storage apparatus that includes: an inflow section into which air flows from outside a blade housing integrally retaining a media storing section, a medium moving section and a recording/reproducing section; and an outflow section from which the air flowing into the inflow section flows out to outside the blade housing. The system housing also contains a blower that sends air to the inflow section.

Abstract: The present invention relates to the cooling of electronic components such as CD or DVD players and recorders and the disc or discs within. Specifically, the present invention relates to the internal cooling of a disc playing or recording device and the disc or discs within.

Abstract: A heat-dissipating structure of a disc drive comprises a tray and a diversion plate. The tray has a body with a concavity loading surface for loading a disc to be in and out the disc drive, and the loading surface has a central hole. Further the diversion plate is disposed on one side of the loading surface, and connected to the loading surface, wherein the diversion plate extends downward and slopes from the connection of the diversion plate and the loading surface.

Abstract: A case body in which a wiring board and a drive unit are held is provided with vent holes and an exhaust hole near which a fan is provided. An air current setting element is made of an air current setting plate added to a fan holder and a transformer mounted on the wiring board. The air current setting plate is provided at the back of the drive unit, and the transformer is positioned between the air current setting plate and drive unit.

Abstract: A cooling device is used in an optical recording and/or reproducing apparatus. The optical recording and/or reproducing apparatus is used for writing and/or reading data from the surface of an optical media. The cooling device comprises a grapple and a blower. The grapple is used for holding the optical media. The blower agitates airflow when the grapple rotated. Whereby, the cooling device can decrease the temperature of the air within the optical recording and/or reproducing apparatus.

Abstract: This invention provides an optical disk device in which heat generated from an optical head and circuit board is dissipated without introduction of outside air or use of a fan. A through portion is provided in part of the mechanical block or outside of the portion on which a tray is projected for carrying a disk for reproduction or write, such that it extends from a disk side portion with respect to the tray to a portion opposing the disk with respect to the tray, in order to introduce air flow generated by disk rotation to an optical head and circuit board and dissipate heat generated at the time of recording or reproduction.

Abstract: The present invention provides a heat dissipation member for use in the optical disk drive. The present invention includes an outer frame and a chassis. The chassis has a drive module, a pickup module and two guide rods. A heat dissipation member is disposed on the pickup module and is in contact with a laser diode of the pickup module. When the drive module spins the optical disk at a rotational speed, an air flow is produced due to spinning of optical disk. A part of the air flow is directed to flow through the laser diode by the heat dissipation member so that excess heat generated by the laser diode is efficiently dissipated.

Abstract: A laser light source (61) and a heat-radiating plate (71) are provided on a pickup base (51). The laser light source (61) irradiates a laser beam to an optical disk (41). The heat-radiating plate (71) has at least one part exposed outside the pickup base (51), having a predetermined distance between the heat-radiating plate (71) and the pickup base (51), and radiates heat generated by the laser light source (61). The plate (71) can radiate heat also from a surface opposing the pickup base (51) and can therefore have a high heat-radiating efficiency.

Abstract: A disk drive includes an enclosure, a rotatable disk and an actuator arm, and also includes a plurality of arcuate channels. Airflow is created within the enclosure when the disk rotates. The plurality of arcuate channels facing the disk to decrease the turbulence of the airflow with respect to the actuator arm. The arcuate channels are formed on at least one portion of the enclosure.

Abstract: A motor bell alarm comprises an electric motor and a linkage by which the rotational motion generated by an electric motor is translated to a longitudinal oscillating motion so as to cause a plunger coupled to the linkage to cyclically strike a shell, thereby creating a ringing sound. The volume and clarity of the ringing sound are enhanced by minimizing the time in which the plunger is in contact with the shell and by minimizing the rest mass that is in contact with the shell as it is struck by interposing a lost-motion connection between the plunger and the linkage to the electric motor, whereby upon and after striking the shell the plunger is mechanically uncoupled from the lever.