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| Number | Title | Issue Date |
| 5633853 | Optical pickup with two optical systems each generates a laser beam An optical pickup device for reading a multitude of disks. A first optical system for reading a first optical disk by generating a first laser beam, exposing the first laser beam on the first optical disk and receiving a first reflected light from the fir... | 05/27/1997 |
| 5313351 | Twin disk player A disk player for loading and unloading a pair of disks while closing and opening a door to the disk player under control of a single motor capable of rotating in both the clockwise direction and the counterclockwise direction. During rotation in one dire... | 05/17/1994 |
| 5012738 | Printing plate locking device A locking device for clamping plates, such as printing plates, in place includes a housing. A jaw is in the housing with a plurality of sets of clamp members mounted in the jaw. Each of the clamp members has rounded clamp surfaces. Spacers separate the se... | 05/07/1991 |
| 4893295 | Front loading disk player A front loading disc player is disclosed which comprises a housing, a play mechanism including a turntable, a carrier for carrying a disc to be played, and a projection/accommodation mechanism for moving the carrier so as to project/accommodate the carrie... | 01/09/1990 |
| 4855990 | Disc player A disc player, for playing various information carrier discs, which includes, a single turntable for supporting an information carrier disc, a single drive motor for rotating the turntable, and a reproducing head device for reading signals recorded on the... | 08/08/1989 |
| 4843294 | Solar array stepping to minimize array excitation Mechanical oscillations of a mechanism containing a stepper motor, such as a solar-array powered spacecraft, are reduced and minimized by the execution of step movements in pairs of steps, the period between steps being equal to one-half of the period of ... | 06/27/1989 |
| 4833666 | Disc-record player suitable for scanning disc of different types Disc player includes a housing with a frame (11) carrying a scanning device and a disc-drive means for driving discs of different types. Loading mechanism includes a drawer (51) which is movable along guide means between an extended position and a retract... | 05/23/1989 |
| 4796251 | Dual-sized disk player A disk player for both optical and compact disk having two spindle motors for the two types of disk. One of the spindle motors is located far enough from the other spindle motors to receive its own smaller disk and is movable to allow the other spindle mo... | 01/03/1989 |
| 4783777 | Disc player A disc player comprising two drivable turntables (14, 19) on a common supporting member (4) which can be swung about a swing axis between a first position in which a disc supported by one turntable will be in a play position opposite to a clamping member ... | 11/08/1988 |
| 4773057 | Apparatus for reproducing selectively loaded discs of different diameters An apparatus for reproducing signals recorded on a selected one of first and second discs of different diameters, such as, a relatively large diameter video disc and a relatively small diameter compact disc, has a disc-transporting tray mounted for substa... | 09/20/1988 |
| 4759008 | Loading mechanism for disk player A front-loading type disk player, such as a video or compact disk player, having an improved front loading mechanism which absorbs any play or backlash that occurs during the movement of the carriage so that the carriage is accurately controlled in positi... | 07/19/1988 |
| 4742508 | Disk driving system An improved disk driving system for selectively driving one of the compact disk and the video disk is provided with respect to an optic pickup. A compact disk driving motor and a video disk driving motor are installed in line by the respective suitable mo... | 05/03/1988 |
| 4575836 | Dual mode disc player A disc player comprises a first driver for driving a first turntable for a first kind of an information-recorded disc, a second driver for driving a second turntable for a second kind of an information-recorded disc, a single holder for holding thereon th... | 03/11/1986 |
| 4475185 | Record player with vibration cancellation mechanism In a record player of the direct drive system wherein a turntable and a motor for driving the turntable are directly coupled; a record player characterized in that a cancellation mechanism is disposed coaxially with the driving motor, said cancellation me... | 10/02/1984 |
| 4425638 | Dual turntable record player with torque cancellation A record player wherein a second turntable and motor which are respectively equivalent to an ordinary turntable and motor are additionally disposed, and both the motors are driven and controlled so as to cancel their torques each other, thereby to elimina... | 01/10/1984 |
| 4410971 | Front loading record player A reproducing apparatus for information-carrying records, which apparatus comprises: a housing with an opening for inserting such records, which opening is situated at housing front, a drive mechanism for the rotary drive of the records about an axis of r... | 10/18/1983 |
| 4347596 | Disc player apparatus A disc player apparatus which features, inter alia, a disc and drive support structure including a turntable having a lower face adapted to receive thereon the disc to be played back and a lower disc support unit which is movable into and out of a positio... | 08/31/1982 |
| 4337533 | Front loading type record player A front loading type record player comprises a first and a second turntable, the second table being slidably detachable from the first table, and a means for outwardly feeding the second table from the record player frame.... | 06/29/1982 |
| 4164353 | Toy phonograph apparatus An improved toy phonograph of the type in which a pickup arm is pivoted at one end and is engageable with a playing surface of a first phonograph record rotatably mounted on one side of the turntable, with a first spring urging the pickup arm toward the p... | 08/14/1979 |
| 4076256 | Stylus shift mechanism for a phonograph having two concentric records A toy phonograph of the type having an annular outer record, and an inner record arranged concentrically inwardly of the outer record for simultaneous rotation therewith, with the outer record having its grooved top surface disposed slightly higher than t... | 02/28/1978 |
