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7349319 |
Information recording apparatus, recording media and recording method
An information recording apparatus includes a multilayer information recording medium having a first layer containing an electro-chromic material, an electrode layer applying a voltage to the first...
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7236667 |
Techniques for use of nanocavities to enhance quantum processing with photons and the Zeno effect
Techniques are provided for placing atoms inside an appropriate nanocavity for enhancing two-photon absorption and quantum information processing based on the Zeno effect. Techniques for...
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6807138 |
Light drive
Typical apparatus according to this invention comprises a host interface for receiving digital data interface input from a host computer and delivering digital data interface output to the host...
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6771867 |
Optical memory device and method for fabricating optical memory device, and method and apparatus for lamination with filmy member
An optical memory device is specifically so designed that, when an reference beam is applied thereto, the entire information area of its core layer can receive the reference beam all at a time to...
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6721257 |
Multilayer recordable optical medium with fluorescent reading
In a multilayer recordable optical medium, each recording layer includes a luminophore that fluoresces under reading laser light and a quencher capable of quenching the luminophore fluorescence....
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6385080 |
DNA optical storage device using Forster energy transfer mechanism
An optical memory system includes memory cells which utilize synthetic DNA as a component of the information storage mechanism. In the preferred embodiment, memory cells contain one or more...
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6278679 |
Supra-density optical photochromic rewrite data access system
The invention provides a near-field photochromic device for a supra-density optical memory, comprising a scanner carrying a data storage medium, an optical head having a tip, to be used for...
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6067246 |
Method for writing data to and reading multiple bit data words from a DNA optical storage device
An optical memory system includes memory cells which utilize synthetic DNA as a component of the information storage mechanism. In the preferred embodiment, memory cells contain one or more...
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5835404 |
DNA optical storage device utilizing non-radiative energy transfer
An optical memory system includes memory cells which utilize synthetic DNA as a component of the information storage mechanism. In the preferred embodiment, memory cells contain one or more...
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5787032 |
Deoxyribonucleic acid(DNA) optical storage using non-radiative energy transfer between a donor group, an acceptor group and a quencher group
An optical memory system includes memory cells which utilize synthetic DNA as a component of the information storage mechanism. In the preferred embodiment, memory cells contain one or more...
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5777674 |
Four color separation optical device
A color separation prism in which are arranged, in the order according to the direction in which the light from the objective travels: a first prism which extracts a predetermined wavelength...
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5636195 |
Optical recording method and reproducing method and recording apparatus and reproducing apparatus utilizing stimulated photon echo
The recording method and apparatus according to this invention is an "optical recording method utilizing a simulated photon echo" in which information is recorded by irradiating data a.d record...
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5594712 |
Optical pickup system with five longitudinal splitted detection areas to prevent information reproducing error by wavelength variations
An optical pickup system capable of improving productivity by facilitating the arrangement and assembly of components thereof and preventing an error caused by wavelength variation of a laser beam...
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5532998 |
Optical spectroscopic information storage
An optical data storage system is disclosed in which information is encoded and decoded in the spectrally resolved optical properties of the storage medium. An optical storage medium scatters an...
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5438561 |
Method for recording and reproducing information using an optical memory
A method for recording and reproducing information using an optical memory device being constituted by a transparent substrate, a recording film formed on the substrate and made of a resin...
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5400314 |
Optical pickup using a lamp
An optical pickup for use in various optical recording/reproducing apparatus includes a general-purpose lamp producing a wide range of light wavelengths, a converging device for converging the...
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5339201 |
Optical computing element
The invention relates to an optical computing element for use in an optical computer utilizing computing light rays having a plurality of wavelength components. The optical computing element...
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5283777 |
Three-dimensional optical recording medium and optical information recording apparatus using the same
A three-dimensional optical recording medium is made of a photo-induced refractive index-changing material or two-photons absorbing material, which is based on photo-dissociation or...
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5235582 |
Photochromic optical disk read/write apparatus which prevents deterioration of the stored information during tracking and reading
A photochromic optical disk read/write apparatus is provided having, in addition to the beams of light for reading and writing, a tracking light beam which is used for tracking during the reading,...
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5136572 |
Optical data storage using temperature stabilizer lasers
An array of diode lasers selected to emit at certain fixed wavelengths is assembled to temperature stabilzed Bragg reflectors to assure maintenance of the selected wavelength within 1 Å. One...
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5107483 |
Frequency selective optical data record/regenerate apparatus
An apparatus in accordance with the present invention sequentially fixes the wavelength of a light beam irradiated from a light source whose oscillation wavelength sequentially varies to a...
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4773059 |
Information recording and reproducing apparatus having recording medium made of alloy which has at least two different crystalline structures in its solid state
An information recording and reproducing apparatus is disclosed, which makes use a recording medium made of a metal or alloy having phases different in their crystalline structures at at least two...
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4703469 |
Optical data recording using radiation of different characteristics
Optical data storage members in which the guard bands present between data-carrying tracks of conventional data storage members are used to carry information recorded in a manner which avoids the...
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4561086 |
Optical write/read unit with selective-transparency cover
An optical write/read unit includes a support, an overlying record layer that is constructed for writing or reading with a predetermined light wavelength(s) and is absorptive to light of other...
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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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4219704 |
Record playback apparatus for optical data records
Multi-layered optical data records and playback apparatus are described in which a plurality of optical data layers are provided on at least one side of a record substrate and the playback...
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4161752 |
High density video disk having two pit depths
A video recording disk that is optically readable has data represented in a form that permits data track revolutions to be spaced close together without an intervening guardband or with only a...
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4105290 |
Optical color communication system
A transmitter and remotely located receiver are used to form an optical color communication system wherein diffraction gratings blazed, for example, in the sixth and higher dispersive orders are...
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4090031 |
Multi-layered opitcal data records and playback apparatus
Multi-layered optical data records and playback apparatus are described in which a plurality of optical data layers are provided on at least one side of a record substrate and the playback...
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4085423 |
Information reproducing apparatus with plural beam readout
Information reproducing apparatus for producing information on an optical information recording medium includes a first light source which gives forth a beam of light of a wavelength λ 1 and a...
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4074085 |
Multiple beam optical record playback apparatus for simultaneous scan of plural data tracks
An optical data record playback apparatus is described for simultaneously scanning a plurality of data tracks on the optical record by employing two or more light beams controlled by closed loop...
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4034403 |
Apparatus for positional control of a reading head in a device for reproducing optically coded video disk recordings
An apparatus is described for reading, by means of a beam of radiation, a disk-shaped information carrier which contains spirally arranged video and/or audio signals coded in optical form, which...
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4011416 |
Multiple color light frequencies switched audio modulation
This invention relates to synchronizing switching systems for modulation of light spectrum frequencies, and a cathode-ray tube apparatus for exposing and simultaneously at electronic speed...
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3855426 |
VIDEO DISC RECORDING AND OPTICAL PLAYBACK SYSTEM THEREFOR
A disc-shaped information carrier is described which contains spirally arranged image and/or sound signals coded in optical form. By recording the information in at least two spiral information...
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3610722 |
ARRANGEMENT FOR RECORDING AND REPRODUCING HOLOGRAMS OF MOVING SUBJECTS
Holograms of motion picture frames are recorded on a photosensitive carrier. When the carrier is moved with the holograms through coherent light, real images of the subject are formed which are...
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3534166 |
TELEVISION PICTURE RECORDING AND REPLAY SYSTEM
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3513268 |
OPTICAL RECORDING AND REPRODUCING SYSTEMS INCLUDING NOISE REDUCING MEANS
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3407272 |
Photographic sound system for eliminating film blemish noise
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3295142 |
Color trace oscillograph
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3281151 |
Method of and device for recording and reproducing photographic sound patterns
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3148355 |
Storage device utilizing color film and movable filters
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3059064 |
Data converter
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3014091 |
Color and intensity light modulator
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