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| Number | Title | Issue Date |
| 7992158 | Optical recording and/or reproducing device including a worm gear restricting device According to one aspect, an optical recording and/or reproducing device for reading and/or writing an optical disc includes a base, optical pickup head, and a moving mechanism for slidably moving the optical pickup head. The moving mechanism includes a worm gear, a ... | 08/02/2011 |
| 7350221 | Height adjustment device suitable for use in an optical disk apparatus A height adjustment device is provided that has a first chassis having an adjustment hole, an adjustment screw that stands when threadedly engaged with the adjustment hole in the first chassis, a second chassis locked by the adjustment screw so as to have a preset s... | 03/25/2008 |
| 7272143 | ATM communication system, process migration method in the ATM communication system, and handover processing method An ATM communication system has a connection setting section for controlling a plurality of ATM switches to set an n:n bidirectional ATM connection having n terminals of a plurality of constituent terminals as terminal points and using the VPI/VCI for identifying th... | 09/18/2007 |
| 7124419 | Feed screw driver and information recorder/reproducer The present invention relates to a feed screw driving apparatus that moves a power transmission member, which engages a feed screw, in an axial direction of the feed screw by rotationally driving the feed screw using a driving source, such as an electric motor, and ... | 10/17/2006 |
| 7047541 | Impact cushion mechanism for pick up head A impact cushion mechanism for pick up head is installed in an optical disc drive, wherein the optical disc drive is equipped with a pick up head spanning two guide bars whereas one side of the pick up head can move back and forth along the two guide bars. The impac... | 05/16/2006 |
| 7024673 | Drive system for a scanning device of an information recording or reproduction device The invention relates to a drive system for a scanning device of an information recording or reproduction device, with a carriage coupled to a toothed rack, a gear wheel mechanism driving the toothed rack and a gear housing. It achieves the object of designing a dri... | 04/04/2006 |
| 7013472 | Optical disk device In an optical disk apparatus in accordance with the present invention, a tilt chassis (3, 201) to which a main shaft (6) and a sub shaft (7), being parallel with each other and serving to guide the movement direction of an optical pickup (50 | 03/14/2006 |
| 6938264 | Lash-eliminating device for worm-and-gear assembly A lash-eliminating device for a worm-and-gear assembly. The worm-and-gear assembly includes a worm and a worm gear engaged therewith. The lash-eliminating device comprises a base, a frame, a motor, and a biasing member. The worm gear is disposed on the base. The fra... | 08/30/2005 |
| 6683841 | Anti-fluttering transmission apparatus for CD-RW drive head An anti-fluttering transmission apparatus for CD-ROM drive head, which is applied to drive a CD-ROM drive head to move back and forth between a transmission bar and a slide base, is provided. The anti-fluttering transmission apparatus comprises a connecti... | 01/27/2004 |
| 6081500 | Head feeding apparatus A head feeding apparatus for recording information signals in a disk shaped recording medium such as an optical disk or reading the signals recorded therein comprises a guide mechanism and a moving mechanism. The guide mechanism guides the head in a direc... | 06/27/2000 |
| 5886977 | Disk unit and process for assembling transmission mechanism used for driving head carriage Coil springs 96 and 97 are incorporated in a driving-side transmission mechanism 61 so as to absorb backlashes between a rack 55 and a drive gear 59a. Since the respective backlashes between the drive gear 59a and the rack 55 are absorbed by way of the co... | 03/23/1999 |
| 5696753 | Optical pickup feeding apparatus An optical pickup feeding apparatus which eliminates the reference axis and compressed coil spring or the reference axis and parts such as as used heretofore or the reference axis and parts such as fixing parts as used heretofore and moreover has improved... | 12/09/1997 |
| 5500847 | Pickup carriage feeding apparatus of a disc player The present invention relates to a pickup carriage feeding apparatus of a disc player, comprising a driving motor, a pair of opposite racks connected to each other which are formed in parallel on the lower surface of the pickup carriage, a pair of driving... | 03/19/1996 |
| 5357500 | Miniaturized disc player A pickup feeding apparatus is comprised of a first rack provided on a pickup supporting member supported so as to become movable along a guide shaft, a second rack provided slidably relative to the first rack, a drive force transmitting gear for transmitt... | 10/18/1994 |
| 5124972 | Mechanism for precise linear movement, and apparatus using such a mechanism for scanning a disc In an apparatus (1) for scanning an information-carrier disc (2) a scanning device (10) which is movable in a radial direction of the disc (2) is connected to a gear rack (16) which extends in the radial direction (11). The gear rack (16) can be driven vi... | 06/23/1992 |
| 5119362 | Disc player with a pickup feeding apparatus A pickup feeding apparatus is comprised of a first rack provided on a pickup supporting member supported so as to become movable along a guide shaft, a second rack provided slidably relative to the first rack, a drive force transmitting gear for transmitt... | 06/02/1992 |
| 5025371 | Overload protected rack and pinion drive for an optical scanning device A slide (19) is driven by a gear mechanism (21) to position a scanning device (15) in a radial direction relative to the record carrier between an innermost track 3) and an outermost track (4), a stop (38) of the slide (19) abutting against a fixed stop (... | 06/18/1991 |
| 4152728 | Releasable carriage drive unit for an optical disc player An optical disc player comprises a read objective on a carriage which is translated to and fro with the aid of a drive unit with an electric motor by cooperation of a drive pinion and a gear rack, so that the read objective travels between a minimum diame... | 05/01/1979 |
