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6034938 |
Data storage system having an optical processing flying head
An optical data storage and retrieval system uses a flying head. The flying head is supported on a moving media having information stored in a plurality of stored data locations thereon....
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5683921 |
Semiconductor device and method of manufacturing the same
A MOS transistor consists of a gate insulating film, a gate electrode, a pair of sidewall spacers on the side faces of the gate electrode, lightly doped source/drain regions, and heavily doped...
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5239394 |
Apparatus for storing image information on a photographic record member
An apparatus for storing electronic data on a storage area of a photographic record member such as a photographic negative, print or transparency is disclosed. The photographic record member is...
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5059795 |
Multiple beam radiation image reading apparatus
A radiation image reading apparatus is described which is adapted to read out a radiation image from a storage phosphor plate by scanning an excitation light on the plate and detecting phosphor...
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4876452 |
Radiation image read-out apparatus
A radiation image read-out apparatus comprises many stimulating ray sources and a single light deflector for making many beams of stimulating rays emitted by the stimulating ray sources impinge...
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4570191 |
Optical sensor for servo position control
This optical sensor has cylindrical symmetry and is comprised of a semiconductor light source/light detector combination and an optical element comprising a single lens, where the sensor is...
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4544838 |
Method and apparatus for detecting tracking error
A tracking error of a light spot focused on an optical record disc by means of an objective lens with respect to an information track recorded on the disc is detected by processing outputs from a...
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4520471 |
Multi-channel recording/playback optics for laser diode arrays
An optical record and playback system is described for use in a multi-channel data processing system. An optical head which includes a laser diode array comprises a collection objective, an...
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4460989 |
Apparatus for improving focus during playback of an optical data record
An apparatus for improving the focus of a digital optical record and playback system is described which provides plural simultaneous focal paths of different lengths for playing back or recording a...
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EP0097035A1 |
Optical disk scanning sy
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4371894 |
Video disc transducer system and method
A video disc record having a spiral video record track which can provide reproduced video signals with a desired frame rate such as thirty frames per second while the disc record is rotated at a...
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4346471 |
Optical apparatus for tracking a record carrier
An apparatus for tracking, by means of radiating beams of light, a record disc (6) which contains video or audio signals recorded in optical form. First and second lasers (1a, 1b) generate a first...
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4337534 |
Solid state electro-optical track follower array
Reflected light from the record in a optical disk player is directed at a string of photo sensitive diodes. Two adjacent diodes of this string of diodes receive light from a selected portion of the...
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4301527 |
Optical head for a videodisc recorder/player
An optical head comprising a lens disposed at a position for forming spot images of a semiconductor laser having a plurality of lasing points, in which beams from the semiconductor laser are...
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4298974 |
Optical head for a videodisc player/recorder
An optical head comprising a semiconductor laser array which is used as a light source, and an optical system which guides laser beams from the array to a predetermined recording medium. The beam...
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4130898 |
Motion blur compensation for moving media optical data recording system
An optical data recording system in which during recording the writing beam is made to move at the same velocity as the recording medium whereby motion blur is minimized or reduced. Movement of the...
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