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7616301 |
Disc clamping device for multiple standard discs
A vacuum assisted disc clamping device provides a number of fixture rings preferably concentrically stacked on a fixture body that is moveable in fixture ring stacking direction and actuated by a...
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7169360 |
Rotary drive in an instrument for processing microscale liquid sample volumes
The invention relates to a rotary drive adapted for creating liquid flow in rotatable microfluidic discs. A rotary drive for spinning a disc shaped substrate having microfluidic structures formed...
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7105338 |
Motorized turntable for petri dish
Improvements to turntables that facilitate inoculation of petri dishes. In one embodiment, the present invention is a motorized turntable for a petri dish that allows the user to use both hands for...
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7099113 |
Disc braking device
A disc braking device is utilized in an optical disc drive. The disc braking device is installed on a disc tray of an optical disc drive. Without being affected by an covering component or the...
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7012877 |
Information reproducing apparatus and method, and drive control system
An information reproducing apparatus is provided with: a clamping device ( 900 ) capable of clamping and clamp-releasing a recording medium ( 100 ); a rotating device ( 20 ) for rotating the...
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6950758 |
Systems and methods for forming data storage devices
Systems for assembling wafer stacks are provided. An embodiment of the system includes a vacuum chamber, a media deposition component and a wafer stack assembly component. The media deposition...
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6928045 |
Disc clamping apparatus
A disc clamping apparatus includes an upper clamper holder, a lower clamper holder which is combined with the upper clamper holder, a clamper which is movably installed between the upper clamper...
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6907612 |
Disc device
By a disk device including: a reproducing base which is supported pivotally and enably to swing on a base, and on which a turntable is set; a supporting member which is supported pivotally and...
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6836461 |
Clamping device for removable disks
A clamping device for clamping disks uses a flexible lock member, a hub, and a cap. The hub is mounted to a spindle, which defines a rotational axis for the hub. The upper portion of the hub has a...
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6795388 |
Recording or reproduction apparatus with a loading and removing device for disc-type recording media
The invention relates to a recording or reproduction apparatus with a holding and removing device for disc-type recording media which facilitates the emplacement and removal of the recording...
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6791936 |
Apparatus for playing storage discs
The invention relates to an apparatus for playing storage discs which can be set into rotation about a central axis of rotation ( 13 ) by a drive motor ( 15 ) and which cooperate with an optical...
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6757238 |
Disc clamping device
According to one embodiment of the present invention, a disc clamping device includes a clamp body including a tip operating portion, wherein the tip operating portion moves downward by a depressed...
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4495613 |
Record removal and centering device for 45 r.p.m. device
A device for raising and centering 45 r.p.m. records on a standard turntable having a central spindle. The device fits around the spindle and completely fills the large hole of 45 r.p.m. records....
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4441178 |
Method of correcting a position of a disk record on a turntable
This invention pertains to a method of correcting a position of a disk record on a turntable for positioning the record on the turntable in a concentric manner relative to the rotational center of...
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4351047 |
Centering of a disc-shaped record carrier on a turntable
A device for centering a record disc with respect to a turntable, in which the disc is successively radially centered and axially positioned relative to the turntable, which device includes a...
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4332025 |
Disc clamping device
A device to secure a record to the turntable of a record player. The device comprises a releasable attachment at its center to align with the central hole in a record and to attach to the...
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4322841 |
Playback instrument for an information carrier disc
A playback instrument for a record disc, the instrument including a turntable for supporting the disc to be played on which the disc is centered by means of a central bore, is provided with two...
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4260161 |
Arrangement for vibrationless coupling of a phonograph record with the turntable of a phonograph
An arrangement for vibrationless coupling of a phonograph record with the turntable of a phonograph, having a liner for placing between turntable and phonograph record and a center contact member...
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4260163 |
Phonographic source
A phonographic source has a turntable with a central hub joined by radial arms to a peripheral rim in which the weight of the turntable is concentrated so as to expose at least a major part of the...
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4168836 |
Internally illuminated spindle for record player turntables
An internally illuminated spindle for record player turntables, said illuminated spindle being adapted to guide and facilitate placement of disc records on the turntables. Secondary internal...
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4166622 |
Centering collar for a disk hub
A collar construction for a disk hub in which the interior of the collar is adapted with a plurality of cylinders truncated in a shape mating with portions of a spindle to which the hub is fit. The...
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4135721 |
Video disc player
The spindle motor of a video disc player is simultaneously disengaged from the motor power source and connected to an electromagnetic safety device for maintaining the cover of the player in a...
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4022478 |
Push-button video disc hub
A hub assembly for releasably securing an apertured record disc upon a base member includes a hollow elastic sleeve deformable from an upright quiescent position for receiving a disc to a...
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4012048 |
Acoustic damping turntable and adapter
Concentric rings of acoustic damping material are mounted on a turntable surface and combine with an insulating adapter to provide acoustic isolation for records with large or small spindle holes....
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3970317 |
Apparatus for inhibiting a plurality of disc records from being disposed on a turntable and grounding a disc record disposed on the turntable
In a system for playing back prerecorded signals from a centrally apertured and grooved disc record having an exposed conductive region surrounding the aperture susceptible of accumulating...
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3936056 |
Spindle depress/brake mechanism
Spindle depress/brake apparatus in a disc dictation machine for depressing the record/playback spindle during a disc change cycle and for inhibiting rotational motion of the spindle after a new...
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3888493 |
Apparatus for inhibiting a plurality of records from being disposed on a turntable
A disc type record player incorporates apparatus for preventing more than one record disc from being disposed in operative position on a turntable at any one time. Movable members associated with a...
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3873099 |
Record stabilizer device for a record changer
A record stabilizer device for a record changer, comprising a loading arm and a vertical spindle supporting said arm, which with the aid of a support mounted on the equipment chassis is guided so...
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3871663 |
Record contact spindle
One type of video disc record reproducing system senses the capacitance between a stylus and the disc record to reconstruct the video information. The stylus includes a thin conductive element...
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3870321 |
Disc mounting arrangement
A rotary assembly comprising in combination a drive member which is rotatable about an axis and a driven member which is rotatable by the drive member about said axis by means of a balanced...
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3863934 |
DISMOUNTABLE COLUMN APPLICABLE TO AUTOMATIC RECORD PLAYERS
A dismountable column within a hollow shaft attachable to the base of a record player wherein the column has on the portion entering the shaft a pyramid-shaped protuberance. The tubular shaft has a...
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3815146 |
RECORD-TURNTABLE ASSEMBLY AND METHOD OF MAKING
A record and turntable assembly featuring precise and repeatable angular and linear positioning of the record on the turntable, and positive rotary drive. The turntable is provided with three...
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3749828 |
METHOD FOR IMPROVING THE CENTERING OF STAMPING MATRICES FOR SOUND AND VIDEO DISCS
The care and accuracy of centering the negative, e.g. the master or stamping matrix, used in the production of sound and video record discs is improved by preparing the original lacquer foil record...
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3741567 |
DEVICE FOR CENTERING DISC RECORDS ON THE TURNTABLE OF A RECORD PLAYER
A device for centering disc records on a record player having a centering and ejection element which accommodates records having larger center holes and is displaceable over the central spindle...
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3680872 |
EMBEDDED ADAPTER FOR TURNTABLE
An adapter for a doughnut type phonograph record disc which is embedded in a recess of the turntable when an ordinary LP record is to be played, comprises a supporting plate having an upwardly...
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3608909 |
RECORD-FLATTENING TURNTABLE
A phonograph record turntable is provided with means for flattening disc records placed thereon. Examples are shown for accomplishing this by means of vacuum or mechanical holddown devices.
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3575423 |
SPINDLE ADAPTER FOR RECORD CHANGERS
An adapter for playing large hole records on a spindle generally dimensioned for small hole records. The adapter is a one-piece body having a wide, upright stem and a forwardly projecting head. An...
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3493232 |
RECORD CHANGER
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3484111 |
RECORD PLAYERS
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3481609 |
HIGH PRECISION RECORD PLAYER
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3480282 |
AUTOMATIC RECORD PLAYER
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3436082 |
AUTOMATIC PHONOGRAPH RECORD CLAMPING AND SPEED CONTROLLING MECHANISM
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3425701 |
SOUND REPRODUCING APPARATUS
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3418000 |
Turntable for phonograph records
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3409304 |
Sound reproducing apparatus
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3395919 |
Record player adapter
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3352562 |
Record changer spindle
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3338581 |
Apparatus for holding the record on the turntable of a portable phonograph
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3292934 |
Stabilizer arm for phonographs
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3292933 |
Stabilizer arm for phonographs
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