Matches 1 - 43 out of 43
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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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
3534166 TELEVISION PICTURE RECORDING AND REPLAY SYSTEM  
3513268 OPTICAL RECORDING AND REPRODUCING SYSTEMS INCLUDING NOISE REDUCING MEANS  
3407272 Photographic sound system for eliminating film blemish noise  
3295142 Color trace oscillograph  
3281151 Method of and device for recording and reproducing photographic sound patterns  
3148355 Storage device utilizing color film and movable filters  
3059064 Data converter  
3014091 Color and intensity light modulator  
Matches 1 - 43 out of 43