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Match
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6781942 |
Lower inertia compact disk driving device with focusing device
A lower inertial compact disk driving device is disclosed. The disk and laser head are static and optical unit device are used as a medium of the laser optical path. Furthermore, the focusing is...
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6751183 |
Lower inertial compact disk driving device
A lower inertial compact disk driving device is disclosed. The disk and laser head are static and optical unit device are used as a medium of the laser optical path. Furthermore, a rough tracing...
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6563783 |
Lower inertial compact disc drive
A lower inertial compact disc drive includes a rotary needle, a rotary driving device and a straight movement device. The rotary needle is installed below a read and written surface of the disc,...
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6560060 |
Import/export element with screw-mounted bevel gear for rotation
In a data media storage library for storing and accessing storage media, the storage media being contained in cartridges, the data media storage library having a library housing, an access opening...
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6184520 |
Internal drum imaging system
An imaging system including a one-piece aluminum internal drum casting having reduced weight and increased stiffness. The internal drum is mounted to the frame structure of the imaging system using...
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5870249 |
Magnetic disk drive in which change in distance between magnetic head and disk is minimized
A high-recording-density magnetic disk drive is provided which minimizes changes in the distance between a magnetic disk and a magnetic head and is reduced in size and weight. The magnetic head and...
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5172282 |
Single motor data storage device utilizing centrifugal force and counteracting spring
The present invention proposes a memory device comprising a fixed disc on the surface of which data may be stored, and rotating transducers or heads which may be positioned to access any location...
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5007690 |
Holographic data storage and retrieval system
A plurality of reflective diffusing holographic memory elements (16) is positioned on a memory plate (14). An array (24) of detectors (22) faces at least one of the memory elements. A laser (26)...
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4974105 |
Hand-held transducing device
A hand-held transducing device for magnetically recording upon and playing from stationary records of a type adapted to be carried on back of a photograph or the like employs a rotating head for...
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4862444 |
Index carrier for indexing and reproducing a plurality of record discs and a simplified sound reproducing device incorporating thereof
As an effective means for carrying a plurality of record discs for selective reproduction, comprising an index carrier which is formed mainly as an index proper of flexible or rigid lengthy plate...
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4740945 |
Sound reproducing apparatus for non-rotating plate-shaped or sheet-like sound carriers
In a sound reproducing apparatus for non-rotating plate-shaped or sheet-like sound carriers a pickup comprising a tone arm and a pickup system, is supported to swivel in horizontal and vertical...
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4574370 |
Sound reproduction selection apparatus for a simplified sound reproducing device
A stopper projects radially outward from the periphery of a rotary turn table and a plurality of selection poles are disposed such that any one of the selection poles, when depressed, projects into...
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4541028 |
Hand-held transducing device for insertable records
A hand-held transducing device for magnetically recording upon and playing from stationary records of a type adapted to be carried on back of a photograph or the like employs a rotating head for...
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4498160 |
Simplified record player capable of automatically housing reproducing stylus upon removal of record disc from the record player
A simplified record player having a fixed record member and a rotatable turn table carrying a sound reproducing stylus which rotates together with the turn table. Until the record is positioned on...
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4498164 |
Record players
A children's record player which can be in the shape of a toy vehicle designed to be placed on top of a gramophone record and drive around and over that record. The record player has a base with a...
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4485466 |
Stylus shielding and unshielding apparatus for a phonograph
The upwardly-extending reproducing stylus (100) is shielded within opening (24) in phonograph (16) when recorded-message carrier (12) is not in playing position by a cover member (246). A cam (256)...
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4402071 |
Stationary record player
A stationary record player having a turn table and a pickup pivotally secured to the turn table, so as to trace, when rotated together with the turn table, the recording groove of a stationary...
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4284279 |
Phonograph record player
A record player for use with a stationary conventional record disc having a spiral sound groove with signals recorded therein includes a freely movable body which is placed on the record disc, a...
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4232202 |
Record player for a stationary record disc
A record player for use with a stationary conventional record disc having a sprial sound groove with signals recorded therein includes a movable body which is placed on the record disc, a drive...
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4195844 |
Audiovisual card reproducing device
An audiovisual card reproducing device of the type in which when an audiovisual card is inserted into a slit in a cabinet, visual information printed on the upper surface of the card may be viewed...
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4166624 |
Record player
A gramophone record player comprises a movable body to be placed on a stationary gramophone or phonograph record, a drive in the movable body to drive the movable body on the record, a sound...
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4123065 |
Phonograph for use with record cartridges
A phonograph for use with a record cartridge wherein a disc record is attached to a sheet-like record holder, comprises a cartridge holder mounted on a casing for immovably holding the record...
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4118038 |
Vibration transmission mechanism for a phonograph
A phonograph of the type wherein a plastics-made tone arm having an upstanding stylus mounted thereon is pivoted eccentrically on a turntable or rotor, under which a speaker is mounted...
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4111430 |
Hand held record player with record holding attachment
A record player attachment base is provided for holding and aligning a card having a miniature or microphonograph record thereon, in proper alignment for playback by a hand-held record player,...
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4043651 |
Audio-visual device
An audio-visual reproducing device is disclosed which utilizes a program unit having a structure for producing an audio signal and carrying a plurality of visual representations. The program unit...
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3917284 |
Reproducing unit and sound carrier for use with pages of a book and the like
An electrically operated sound reproducing unit is removably positioned in playing relation with a sound carrier or audio medium, that is affixed in selective fashion by a user onto the page of a...
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3886671 |
Linguistic self learning device
Linguistic self-learning device comprising mounted in a case a motor driven needle head attached to a loud speaker which is rocked in an arcuate path, the forward half cycle being actuated by the...
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3883146 |
Hand-held playback device, system and method
A hand-held playback device primarily useful for audio teaching of correct pronunciation of words for transducing mini-records from the pages of books and other sheet material upon which is shown...
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3857571 |
RECORD REPRODUCING METHOD
An apparatus for reproducing recorded information from a phonograph record having visual information on an upper side thereof is disclosed. The record is placed in a stationary position and is...
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3839601 |
OPTICAL RECORD SHEET AND DEVICE FOR REPRODUCING SOUND THEREFROM
An optical sound track is formed in multiturn spiral arrangement on one surface of an opaque sheet-like medium. On the opposite surface some information relating to the sound intelligence recorded...
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3827794 |
AUDIOVISUAL DISC PROJECTOR
An audiovisual disc projector, accepting for audiovisual reproduction audiovisual discs having a stationary spiral sound track surrounding a stationary ring of projectable images, said disc...
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3825268 |
SELECTABLE PLAY MECHANISM FOR STATIONARY RECORD
A simple toy phonograph for playing a stationary record of the type which has several interleaved spiral grooves with lead-in portions circumferentially spaced about the record. A rotatable carrier...
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3782734 |
TALKING BOOK, AN EDUCATIONAL TOY WITH MULTI-POSITION SOUND TRACK AND IMPROVED STYLUS TRANSDUCER
For use in a talking book consisting of one or more pages containing visual material superimposed on or in juxtaposition with the sound grooves on each page, sets of undulated lateral or hill and...
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3746439 |
VISUAL-EFFECTS-PRODUCING MEANS IN AN AUDIO-VISUAL TOY
The nature of the projected picture in an audio-visual toy may be changed by manipulating different manual controls to position colored filters or an apertured plate in the path of the light beam...
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3746346 |
ACOUSTIC PHONOGRAPHIC APPARATUS
An acoustic phonograph including a stationary vinyl coated paperboard phonograph record provided with a sound track of hill and dale configuration, an arm rotatably mounted on the record, and a...
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3633924 |
MINIATURE PHONOGRAPH
A phonograph which lies on a stationary disc-type record, including a tone arm which rotates around the record while a stylus thereon moves along the record groove to play back the recording. The...
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3610636 |
MECHANICAL SOUND-REPRODUCING SYSTEM
The invention improves on systems for mechanically reproducing sound from a mechanically modulated groove tracked by a stylus. The stylus is carried on a pivotal rocker arm that engages a...
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3486756 |
PHONOGRAPH DEVICE
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3484111 |
RECORD PLAYERS
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3482841 |
SOUND TRANSDUCER INSTRUMENT
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3389636 |
Combined viewer and audio recorder for optical slide carrying record medium
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3362716 |
Miniature portable phonograph
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3360269 |
Miniaturized phonograph
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3337694 |
Apparatus for signal transducing along a curved overlapping track
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3224782 |
Apparatus for transducing from a stationary record
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3193295 |
Visual and aural type sound recording and reproducing device
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3181870 |
Phonograph
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3122053 |
Audio-visual projector for sound-on-slide tablets
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3074724 |
Apparatus for positioning recording and recorded sheets on a magnetic recorder and reproducer
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3063338 |
Picture and word message holder
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