Matsushita Electric Industrial Co., Ltd.

Panasonic Corporation

Panasonic Intellectual Property Management Co., Ltd.

Shinichi Maeda

Yuji Ariyoshi

Teruyuki Naka

Akira Kurozuka

Norikatsu Yoshida

Ichiro Kawamura

Hitoshi Higaki

Takuto Yamazaki

Shigeto Ueno

Hiroshi Takahashi

Tatsuro Nishi

Eiichi Hanakawa

Yukio Morioka

Masakazu Ishizuka

Isao Obata

Tomoshi Tokunaga

Akira Yoshida

Hirofumi Furukawa

Yasuo Kabuta

Kohzoh Ezawa

Kozo Ezawa

Masahiko Moriwaki

Makoto Fujita

Takayuki Hayami

Yasuhisa Fukushima

Yoichi Yamamoto

Yasue Chihara

Masuo Maruyama

Yoshiyuki Hashimoto

Shuji Tabuchi

Kyosuke Kawazoe

Hidehiko Ota

Yoshiaki Nakatsuka

Mariko Fukuyama, By

Michio Fukuyama

A disc tray includes a bottom wall including an outer periphery and an inner rib supporter supporting the lowermost disc from below. The bottom wall is thickened from the outer periphery toward the inner rib supporter. The lowermost disc includes a data recording area, an inner rib, and an outer rib. When the lowermost disc is stationary, the outer rib of the lowermost disc and the upper surface of the bottom wall are separated by a gap. When the lowermost disc is inclined in such a manner that part of the outer rib of the lowermost disc comes into contact with the upper surface of the bottom wall, the data recording area of the lowermost disc and the upper surface of the bottom wall are separated by a gap greater than thickness of the outer or inner rib.

Disc tray and tray holder

A magazine box is provided for removably storing a plurality of disc-storing magazines used in a disc apparatus for feeding a disc to each of a plurality of disc drives. The magazines each include a tray for storing the disc, a case for removably storing the tray, and a first locking mechanism for releasably locking the tray to the case. The magazine box further includes a second locking mechanism for releasably locking the case of each of the plurality of magazines to the magazine box, and the second locking mechanism maintains the locked state at least during the automatic tray-ejection from the case in the disc apparatus is conducted.

Magazine box

Provided is a turntable for rotatably supporting a disc member on a disc support surface in a state where the disc member is sandwiched and held between the turntable and a clamp member placed opposite thereto, wherein the disc support surface is provided with an elastic layer having a predetermined width, and configured to project from the disc support surface, and at least one of an outer peripheral part and an inner peripheral part of the elastic layer is provided with a high contact pressure portion of which a contact pressure generated by pressing the clamp member thereto is higher than that of other portion.

Turntable having elastic layer with high contact pressure portion

There is provided a disk device having a buffer portion capable of relatively moving at least a rack at the beginning of meshing with a drive gear in an opposite direction to a moving direction of a slide cam member moved by conveyance of a disk, when the disk is conveyed to a replayable position by a disk conveyance mechanism and the slide cam member moves so that the drive gear and the rack are meshed with each other.

Disk device including disk conveyance mechanism and disk installment mechanism

A disk device is provided with a pair of slide cam members that start movement when a disk is conveyed to a replayable position, and a pair of clamper lifters respectively having clamper support portions supporting a clamper. The clamper lifters are moved in opposite directions to each other in a horizontal direction orthogonal to a thickness direction of the disk device in conjunction with the movement of the pair of slide cam members. They are arranged so that the timings of the start of movement in the opposite directions to each other are different from each other. The clamper support portions have inclined surfaces in contact with an outer peripheral part of the clamper so as to move the clamper in the thickness direction of the disk device in accordance with the movement of the pair of clamper lifters in the opposite directions to each other.

Disk device having clamper lifters with different start of movement timing

In an attachment structure for attaching an attached-plate to a printed substrate which is installed in a mechanical chassis, the mechanical chassis includes a positioning pin for positioning the printed substrate; and the attached-plate includes a guide groove that engages with the positioning pin and is slidably guided in a predetermined path, a fixing portion to the printed substrate, and an engaging portion that engages with a side portion of the printed substrate. By causing the attached-plate to slide along a substrate side of the printed substrate with the guide groove being engaged with the positioning pin, the guide groove is guided by the positioning pin, whereby the engaging portion engages with the side portion of the printed substrate. In the engagement state, by fixing the fixing portion of the attached-plate to the printed substrate, the attached-plate is attached to the printed substrate.

Attachment structure of an attached-plate of a substrate

A disk drive includes a disk rotating unit, a traverse base holding the disk rotating unit, a damper member holding the traverse base, a main unit holding the traverse base through the damper member, a tray mounting a cartridge housing the disk, a driving unit that loads or ejects the tray and moves the disk in the cartridge relative to the disk rotating unit, and a traverse base holding member that is moved vertically by the driving unit relative to the main unit at the time of tray loading or tray ejection. The traverse base is held by the traverse base holding member through the damper member, and the resonance frequencies of the damper member in the radius direction of the disk as it is being loaded and in the direction of a rotation shaft are set higher than the maximum rotational frequency of the disk.

Disk drive with established resonance frequencies for damper member

A disk drive includes a cartridge holding mechanism which has a small size and reduces a damper load. The disk drive includes a spindle motor which mounts and rotates a disk. A traverse base holds the spindle motor, and a rubber damper flexibly holds the traverse base. A mechanical chassis holds the traverse base through the rubber damper, and a tray mounts a cartridge in which a disk is housed. A loading motor moves the disk in the cartridge close to the spindle motor or away from the spindle motor. The cartridge is supported by the mechanical chassis through the tray.

Disk loading apparatus with cartridge urging member operating cooperatively with disk rotating unit transverse holder

A disk loading apparatus may include a first retaining device that is arranged in a slot for a disk to be inserted and thereby retains the outer edge of the disk so as to permit it to pass through the slot. A transferring device transfers the disk retained by the first retaining device to a predetermined position. A second retaining device is arranged in the interior from the slot and thereby retains the outer edge of the disk retained by the first retaining device and transferred by the transferring device. A rotating device rotates the disk at the predetermined position. Also, each of the first and second retaining devices has a contact section for contacting with the outer edge, upper surface, and lower surface of the disk in a slidable manner.

Disk loading apparatus in recording and reproducing apparatus

Tray for optical disk recorder

The disk loading device of this invention includes: a holder for removably holding a cartridge; a conveying member for conveying the holder; a shutter opening/closing member for opening a shutter of the cartridge when the cartridge is inserted into the holder; and a rotational driving member having a holding portion for holding a center portion of a disk in the cartridge which has been conveyed to a predetermined position by the conveying member, the rotational driving member rotating the disk held by the holding portion, wherein, when the holder is conveyed by the conveying member, the shutter of the cartridge has been opened by the shutter opening/closing member and an opening of the cartridge which has been exposed by the opening of the shutter passes a position where the holding portion of the rotational driving member is located.

Disk loading device and disk adaptor

To present a disk loading device reduced in the thickness of the entire device, capable of loading plural types of cartridge and bare disk commonly, easy to handle in horizontal or vertical position, and particularly excellent in dust-proof performance or manual insertion and discharge performance of tray in power off state, a holder,moved back and forth by transfer means provided inside includes a detecting switch,of a shutter opener,and a detecting switch,of a disk holder,and these two detecting switches are combined, while a dust-proof member such as dust-proof cover,is provided in a passage to the disk and optical head,in an external air stream in the device, and therefore, immediately after putting the media into the holder,the type and state of the media can be detected, and breakage of device due to insertion of plural types of cartridge in wrong direction or wrong side can be prevented, and also contamination of the disk or optical head,by suction of dust or smoke can be also prevented. Moreover, the worm gear provided in a drive gear train,of the holder,is designed to exclude the axial force in the opposite direction of the loading motor,and meshing with the wheel,can be freely cleared, and therefore the loaded media can be easily discharged and taken out in power off state.

Disk loading device and disk cartridge

It is an object of the invention to present a recording and reproducing apparatus capable of mounting a bare disk and a cartridge selectively on a tray, without dropping from the tray in vertical position. To achieve the object, the invention comprises a turntable engaged with a disk for supporting the disk on a recording and reproducing position, a pickup for moving on the surface of the disk to record a signal in the disk or to reproduce a signal from the disk, and a flat tray for transferring between an engagement position with the turntable and a disk exchange position while holding the disk in a position so that its side may be at least in vertical position, wherein the tray possesses a first disk engaging portion freely movable in a tray transfer direction, being thrust in a disk exchange position direction of the tray, for detachably supporting the peripheral edge of the disk or one side of a cartridge, and a second disk engaging portion having a state of holding the peripheral edge of the disk together with the first disk engaging portion in a vertical position of the side of the disk, and a state of sinking into a holding surface, on the holding surface, and the holding surface possesses a cartridge mounting portion for detachably holding a cartridge incorporating a disk.

Recording and reproducing apparatus

A recording and reproducing apparatus using high density recording disk, such as optical disk. The recording and reproducing device of this invention can accommodated both disk and disk cartridges of a plurality of differing sizes. Because this invention can accommodate both disk and disk cartridges, a single device that can both record and reproduce information to or from a high density disk is achieved.

Disk recording and reproducing apparatus

Growing community of inventors

Osaka, Japan

Shinichi Maeda