Abstract: An optical disk device has a casing, an insertion slot and a loading mechanism for loading a disk. A shutter is shiftable transversely to an elongate slot shape of the insertion slot, closes the insertion slot partially when in a closed position, and opens the insertion slot when in an open position. A coupling hole is disposed at an end of the shutter with respect to the elongate slot shape. A shift lever moves the coupling hole in a first direction along the elongate slot shape upon shifting of the loading mechanism for loading, and moves the coupling hole in a second direction upon shifting of the loading mechanism for unloading. A cam mechanism shifts the shutter to the closed position when the coupling hole is moved in the first direction, and shifts the shutter to the open position when the coupling hole is moved in the second direction.

Abstract: A disk unit is disclosed wherein a disk inserted by a pivoting arm is loaded to the interior of the disk unit or a disk accommodated in the interior of the disk unit is unloaded to the exterior of the disk unit, the disk unit including a plurality of arms able to convey two types of disks different in diameter while supporting an outer periphery edge of each of the disks.

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: To eject an optical disk forcibly from a disk device by a manual operation, an operation pin is inserted into an emergency hole of a front bezel. Then, the operation pin causes first and second ejection levers to move rearward to push a first transmission gear down to a disengaged position. When the first transmission gear is pushed down to the disengaged position, a loading slider begins to move forward according to a biasing force of a coil spring, feeding the disk outward. After moving a distance forward, the loading slider is stopped against a receiving portion of a first ejection lever, thereby to stop the disk at a half-eject position where the disk slightly protrudes from the bezel. Thereafter, when the operation pin is pulled out, the loading slider moves forward along with the pull-out movement of the operation pin, and the disk is fed out to a full-eject position.

Abstract: An optical disk drive is loaded with a disk set in a chuck position upon entry through an insertion slot by automatic loading. A lifting frame is movable between high and low positions in an opening of a base panel. A disk driving unit is disposed on the lifting frame for chucking and rotating the disk. A leading segment is connected with the lifting frame, and raises a distal end of a periphery of the disk from the insertion slot by forming a slope. The leading segment extends in the insertion direction of the disk, and has an end positioned beside the disk driving unit. The end of the leading segment is kept higher than an upper surface of the lifting frame when the lifting frame is in the low position.

Abstract: A disk transport mechanism in a disk drive is connected with a transmission gear mechanism. A loading motor drives the disk transport mechanism. When the loading motor rotates forwards, an optical disk is carried by the disk transport mechanism to a chuck position. When the loading motor rotates backwards, the optical disk is moved back to an ejection position. In failure of the loading motor, an emergency pin is pushed to actuate an emergency disk ejector. A first gear wheel in the transmission gear mechanism is disengaged by the emergency disk ejector to separate the transmission gear mechanism into a disk transport mechanism side and a motor. A second gear wheel on the disk transport mechanism side is rotated to actuate the disk transport mechanism. The emergency pin is pushed repeatedly to cause the disk transport mechanism to move back the optical disk to the ejection position.

Abstract: A disk unit wherein a disk is inserted by a plurality of arms, the arms being able to convey two types of disks different in diameter while supporting an outer periphery edge of each of the disks. A disk is loaded to the interior of the disk unit by automatic loading, and a disk accommodated in the interior of the disk unit is unloaded to the exterior of the disk unit. The disk unit comprises a limit switch, the limit switch being actuated by an arm that is pressed by an outer periphery edge of a large diameter disk or a small diameter disk upon insertion of the disk from a slot of a bezel. The insertion of the large diameter disk or the small diameter disk is determined on the basis of the state of operation of the limit switch.

Abstract: A lifting frame has a lifting pin that fits into a lifting cam groove of a follower slider, and swings up and down about a rod near a disk slot. A holding member is swingably attached to front end of the lifting frame. This holding member supports a turntable unit for holding a disk. The holding member has a cam follower pin that fits into a swinging cam groove of a loading slider to raise and lower the holding member. When the lifting frame swings down from a read/write position to a lowered position, the holding member inclines from the lifting frame so as to place the turntable unit substantially parallel to a disk carrying direction.

Abstract: An optical disk drive of a slot-in type is loadable with any of two optical disks different in the diameter, and has an insertion slot formed in a case chassis for disk loading. A disk entered through the insertion slot is received by a disk support arm set in a ready position. A loading mechanism is actuated when the disk support arm is pressed by the disk. In response to this, plural arms and the disk support arm cooperate to support the disk, which is moved to a chuck position for writing and reading information. For disk unloading, the disk, supported by the plural arms, is moved by the disk support arm to an ejection position. The disk support arm is shifted from an advance position for pressing the disk to the ejection position, to the ready position which is offset toward the chuck position.

Abstract: A disk unit comprising a limit switch, the limit switch being adapted to operate when a tip of a guide arm pivots to excess in a centripetal direction relative to a predetermined position at which it should stop while supporting a side portion of a small-diameter disk, the guide arm functioning to conduct a large- or small-diameter disk being conveyed to a predetermined position while supporting a side portion of the disk, a disk unloading operation being started upon operation of the limit switch to permit discharge of a disk of a deformed shape. The disk unit is a slot-in type disk unit permitting automatic loading and drive of two types of disks different in diameter, wherein a disk of a deformed shape inserted by mistake is discharged automatically to prevent damage of a recording surface of the disk and a mechanical damage of the disk unit.

Abstract: An optical disk device has a casing, an insertion slot and a loading mechanism for loading a disk. A shutter is shiftable transversely to an elongate slot shape of the insertion slot, closes the insertion slot partially when in a closed position, and opens the insertion slot when in an open position. A coupling hole is disposed at an end of the shutter with respect to the elongate slot shape. A shift lever moves the coupling hole in a first direction along the elongate slot shape upon shifting of the loading mechanism for loading, and moves the coupling hole in a second direction upon shifting of the loading mechanism for unloading. A cam mechanism shifts the shutter to the closed position when the coupling hole is moved in the first direction, and shifts the shutter to the open position when the coupling hole is moved in the second direction.

Abstract: Without increasing the volume of information device main body, it is possible to arrange two disc devices superimposed in a horizontal direction or a vertical direction in a standardized half-height drive bay, thereby enabling simultaneous drive of a plurality of optical discs and improving operability such as mounting of the optical discs. A disc device A can accept a single disc or double discs horizontally or vertically in the drive bay of half height configured in the front face of an information device. The case (1) portion of the disc device A has an external shape having a thickness 19 mm to 20.65 mm and a width 145.5 mm to 146.5 mm. Furthermore, threaded hole (1d) is formed in the side surface of the case (1) for mounting onto the information device main body. Moreover, when a pair of disc devices (A1, A2) configured so as to be vertically combined is made into a unitary block by opposing the cases 1, the external shape is such that matched with the opening of the drive bay.

Abstract: In the loading of a disc in a slot-in type of disc apparatus, time lag occurs at the time of shift from an operation that manually inserts the disc to an operation that automatically swallows the disc. In order to solve this problem, a switch for detecting the position of a disc at the beginning of insertion thereof and a switch for detecting a position where the loading of the disc has been completed are provided respectively. The modification of control is made so that the disc support arm is driven with a weak electric power from the beginning of the insertion of the disc, and an error caused by time-out is further detected. If the error has been detected, the disc is ejected.

Abstract: A wafer dividing method for dividing a wafer into individual devices, the front side of the wafer being formed with a plurality of crossing streets for partitioning a plurality of areas where the devices are respectively formed. The wafer dividing method includes the steps of coating the front side of the wafer with a protective film, cutting the front side of the wafer with the protective film along the streets to form a plurality of kerfs each having a depth corresponding to the finished thickness of each device, removing chipping from each kerf by plasma etching, attaching a protective tape to the front side of the wafer, grinding the back side of the wafer to expose each kerf to the back side of the wafer, thereby dividing the wafer into the individual devices, and removing a grinding strain from the back side of the wafer.

Abstract: In the course of the loading of a disc in a slot-in type of disc apparatus, if a user intends to forcefully pull out the disc, there is a possibility that it is wrongly recognized that the disc has been normally loaded, and then a clamping head of a spindle motor collides against a surface of the disc to damage it. In order to solve this problem, during the loading operation of the disc, a safety mechanism for allowing a clamping operation in response to what the disc has reached a normally clamped position. The safety mechanism may be a mechanical stopper or an electrical detector.

Abstract: In order to alleviate the contact pressure on a contact portion between both surfaces of a disc D and felts 25 in disc ejection, an upper end and a lower end of a slot 3a on the backside of a front bezel 3 are formed with an upper recess 27 and a lower recess 28 that receive the pushed-over upper and lower felts 25. Also, the pushed-over felts 25 are received in the upper recess 27 and the lower recess 28, so that the contact pressure on the contact portion between both surfaces of the disc D and the felts 25 can be decreased.

Abstract: A lift frame supports a turntable unit, and moves between a lower-most position and a read/write position in conjunction with slide movement of a follower slider. The follower slider has a pressing member and a cam groove. Pressed to a bottom plate of a device chassis by a coil spring, the pressing member stabilizes the movement of the follower slider. The cam groove fits onto a lifting pin of the lift frame. At the read/write position, the cam bottom wall is constituted of a pin pushing portion. The pin pushing portion is pushed upward by the coil spring to press the lifting pin to a cam groove upper wall when the lift frame is in the read/write position.

Abstract: The method describes the operation of a roller blind including a moving element that can be operated via an actuator and a handheld-type remote control used to set the value of an operating parameter of the system, the value of this parameter being modifiable between two limit values. In this method, after a modification of the setting of the parameter value, an acknowledgement signal is sent, the acknowledgement signals differing according to whether the parameter value is or is not a limit value.

Abstract: A disk apparatus comprises a slot for inserting a disk-shaped recording medium therethrough, a first guide member for guiding one side of the disk inserted through the slot, a second guide member for guiding the other side of the disk inserted through the slot, a disk abutting portion for abutting the disk inserted through the slot, a disk support arm for carrying the disk by supporting and swinging the disk and a recording/reproducing unit for recording and/or reproducing information on and/or from the disk carried into the apparatus by the disk support arm, wherein a first disk having a diameter dA is loaded or unloaded by swinging the disk support arm, and wherein the disk support arm is disposed such that the disk abutting portion abuts and the disk support arm inhibits further insertion of a second disk having a diameter dB that is smaller than dA before the entire insertion of the second disk into the apparatus through any place of the slot while waiting for the insertion of the first disk through the s

Abstract: A disk transport mechanism in a disk drive is connected with a transmission gear mechanism. A loading motor drives the disk transport mechanism. When the loading motor rotates forwards, an optical disk is carried by the disk transport mechanism to a chuck position. When the loading motor rotates backwards, the optical disk is moved back to an ejection position. In failure of the loading motor, an emergency pin is pushed to actuate an emergency disk ejector. A first gear wheel in the transmission gear mechanism is disengaged by the emergency disk ejector to separate the transmission gear mechanism into a disk transport mechanism side and a motor. A second gear wheel on the disk transport mechanism side is rotated to actuate the disk transport mechanism. The emergency pin is pushed repeatedly to cause the disk transport mechanism to move back the optical disk to the ejection position.