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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Obata; Manabu
Address:
Kanagawa, JP
No. of patents:
23
Patents:












Patent Number Title Of Patent Date Issued
RE43454 Disc cartridge including an inner shell formed by severing a molded portion and a flanged thin-w June 5, 2012
The present invention is related to a disc cartridge in which an optical disc, an inner shell and shutter members are housed in a main cartridge body unit, formed by abutting and combining upper and lower shells and in which the inner shell is run in rotation to cause the shutter members
8286200 Disk drive apparatus and electronic appliance October 9, 2012
A disk drive apparatus includes: a disk table on which a disk recording medium inserted into a disk insertion port for loading is mounted; an eject lever rotatably supported by a chassis, and having a disk holding part that holds the inserted medium; and a support lever rotatably sup
8112773 Disk transfer mechanism, and disk drive device February 7, 2012
A recording medium drive device includes: a holding unit configured to hold a recording medium inserted from a slot; a link mechanism including a plurality of arms turnably connected to each other; an eject lever activated in response to the turning motions of the link mechanism for
7856641 Disk drive device and centering members therefor December 21, 2010
A disk drive device includes a device main body in which a disk slot for inserting and removing a disk-like recording medium is provided, a disk holding unit that rotatably holds the disk-like recording medium, a main chassis that supports the disk holding unit and a base unit, an arm un
7676819 Disk conveying apparatus March 9, 2010
A recording medium driving device which records information in or reproduces information from the recording medium, includes a device body in which a recording medium is inserted and from which the recording medium is removed, a conveying mechanism that conveys the recording medium i
7350220 Disk drive unit March 25, 2008
A disk drive unit advantageously prevents dust from adhering to a pickup. The disk drive unit has a housing and a tray. The tray reciprocates between a retracted position and a projected position. A first pickup and a second pickup have a spindle motor located therebetween. The tray has
7284254 Disk cartridge and disk recording medium device having shutter members October 16, 2007
The present invention relates to a disk cartridge in which a disk-like recording medium such as an optical disk, a magneto-optical disk and a magnetic disk is accommodated within a disk compartment of a cartridge housing, a disk recording medium device in which the disk-like recording
7222351 Shutter closing mechanism and disc driving apparatus May 22, 2007
In a disc cartridge, the shutter opening/closing operation is to be performed reliably. To this end, the distal ends of a first engagement member 75 and a second engagement member 79 provided to a base 66 are pivotally movable in a direction along a lateral surface of a housing 51, i
7137129 Disk drive apparatus November 14, 2006
A disk drive apparatus includes a casing having an upper plate; and a tray. The upper plate includes an arm having an attracted member fixed thereto. When the tray moves from a protruding position to a recording-and-playback position, since engagements of the arm and the tray are eng
7127732 Disc cartridge including an inner shell formed by severing a molded portion and a flanged thin-w October 24, 2006
The present invention is related to a disc cartridge in which an optical disc, an inner shell and shutter members are housed in a main cartridge body unit, formed by abutting and combining upper and lower shells and in which the inner shell is run in rotation to cause the shutter members
7103900 Disc cartridge with crank-shaped dust intrusion prohibiting unit September 5, 2006
The present invention is relative to a disc cartridge in which an optical disc (3), an inner shell (4) and shutter members (5a), (5b) are housed in a main cartridge body unit (2), formed by abutting and combining upper and lower shells (6), (7), and in which the inner shell is run in
7103898 Method for producing inner shell for a disc cartridge September 5, 2006
A method for producing an inner shell used for a disc cartridge in which an optical disc, an inner shell and shutter members are housed in a main cartridge body unit. The inner shell provided in the main cartridge body unit includes a first molded portion, provided with an aperture, a se
7057854 Disk cartridge having a dust-proof shutter June 6, 2006
A disk cartridge housing in which a disk compartment is formed by combining an upper shell and a lower shell. The cartridge has an opening portion which overlaps with a shutter member to expose a part of the disk compartment. A convex rib and a concave groove arrangement is used betw
7051349 Disc cartridge, disc recording medium unit and disc recorder and/or reproducer May 23, 2006
The present invention relates to a disk cartridge in which a disk-like recording medium such as an optical disk, a magneto-optical disk and a magnetic disk is accommodated within a disk compartment of a cartridge housing, a disk recording medium device in which the disk-like recording
7017170 Disk cartridge with inner shell supported for rotation in guide groove formed in an upper shell March 21, 2006
The present invention is relative to a disc cartridge in which an optical disc (3), an inner shell (4) and shutter members (5a), (5b) are housed in a main cartridge body unit (2), formed by abutting and combining upper and lower shells (6), (7), and in which the inner shell is run in
6964056 Disk type recording and reproducing device November 8, 2005
Disclosed is a disk recording and reproduction apparatus for recording and/or reproduction of optical disks of multiple different formats impossible to record or reproduce with a single pickup. A disk recording and reproduction apparatus containing a base unit (25) with two separate
6944875 Disc cartridge with shutter overlapping gap having labyrinth shaped portion spaced to have a rec September 13, 2005
Disclosed is a disk cartridge capable of preventing the permeation of dust in the disk cartridge. A labyrinth shape portion having a recessed dust deposition portion formed in a gap at a portion between tilt planes for overlap of shutters are vertically overlapped to each other.
6900965 Disk cartridge May 31, 2005
A disk cartridge in which a pair of shutter members can be opened and closed smoothly and reliably, and a dust-proof property and an airtightness of a large opening portion can be increased by reducing a space between a pair of shutter members and a cartridge housing as much as possi
6839900 Disk cartridge, a method of manufacturing same, and a recording/reproducing system January 4, 2005
A disk cartridge which allows for the user to know what contents are recorded in which disk cartridge without the need of reproducing the disk cartridge, a method of manufacturing the same and a recording/reproducing system using the same have been provided, in which the disk cartridge i
6728199 Disk cartridge April 27, 2004
In a disk cartridge including a cartridge housing (22), an optical disk (21) and a shutter mechanism (28), a butt portion (71a) of at least one shutter member of a pair of shutter members (50), (51) includes a recess portion (75) into which the other butt portion (72a) is inserted. A spa
6700863 Disk cartridge March 2, 2004
A disk cartridge comprises a cartridge housing (12) having a disk compartment (16) formed therein by overlapping a pair of shells (13), (15), an optical disk (11) rotatably stored within the disk compartment (16) and a pair of shutter members (18a), (18b) attached to the cartridge ho
6700741 Disk cartridge with a plurality of shutter members March 2, 2004
A disk cartridge in which a pair of shutter members can be opened and closed smoothly and reliably, and a dust-proof property and an airtightness of a large opening portion can be increased by reducing a space between a pair of shutter members and a cartridge housing as much as possi
6275459 Disc apparatus August 14, 2001
A disc apparatus which can easily perform emergency-ejection operation by using two motors in a cartridge retraction device and a disc loading device. The disc apparatus includes two clutches provided in the middle of gear trains of the two motors which actuate the cartridge retraction










 
 
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