Quotables
"For a list of all the ways technology has failed to improve the quality of life, please press three."
Alice Kahn
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7366079 | Optical pickup device and optical disk drive using the same An optical pickup device includes a light source unit an optical system which leads a return light beam to a predetermined light-receiving location and includes an object lens focusing each light beam from the light source unit to a recording surface of a correspond... | 04/29/2008 |
| 7351460 | Information recording medium, information recording device, and information recording method An information recording medium includes an insulating member, first and second electrodes formed in one plane of the insulating member, and a conductive layer having an electrochromic material providing continuity with the first and second electrodes. A gap between... | 04/01/2008 |
| 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 layer to color the first layer, a second layer containing an electro... | 03/25/2008 |
| 7335866 | Method for improving depth discrimination in optical reproduction systems The invention is directed to a method for improving the depth discrimination in optically imaging systems. It is applicable in particular in light microscopy for improving image quality when examining three-dimensionally extending objects. It is applicable in the me... | 02/26/2008 |
| 7333126 | Optical disc having layers corresponding to different colors and sensitive to optical beam wavelengths For at least some layers of a number of stacked layers of an optical disc that correspond to different colors, an optical beam is selectively impinged on a region of the optical disc. The optical beam has a wavelength to which the layer is uniquely sensitive as comp... | 02/19/2008 |
| 7315429 | Apparatus, method and program product for a multi-controller and multi-actuator storage device A data storage device, method and program product for high data transfer and access rate is disclosed. The data storage device includes a housing wherein at least one data storage disk is rotatably mounted. The housing further includes at least two actuator arm asse... | 01/01/2008 |
| 7294446 | Digital analog recording using near field optical imaging A data storage device and method of making the storage device wherein a digital and analog image may be stored thereon. The storage device includes a photosensitive layer capable of retaining an optical image thereon, which may be written in a digital format that ca... | 11/13/2007 |
| 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 fabricating suitable nanocavities include: 1) a short length of optical fiber p... | 06/26/2007 |
| 7230784 | High bandwidth data transfer to and from rotating data storage devices A method of transferring data of one or more rotatable data storage devices includes but is not limited to rotating the at least one rotatable data storage device; transferring the data between a plurality of stationary data transfer heads and the one or more rotata... | 06/12/2007 |
| 7194013 | GaN semiconductor laser device, and optical disk information system using the laser device Two or more of striped structures are formed in one chip, and a relaxation oscillation frequency of the first striped structure is greater than a relaxation oscillation frequency of the second striped structure. An RIN value at low output is improved by the first st... | 03/20/2007 |
| 7193963 | Method for inputting information into a data storage medium that is optically recordable and readable In a method of entering information into an optically writable and readable data storage medium having a polymer film which can be changed locally by heating in order to store information and to which there is assigned an absorber dye (34) which is set up to ... | 03/20/2007 |
| 7166409 | Multipass multiphoton absorption method and apparatus A method of increasing the efficiency of a multiphoton absorption process and apparatus. The method includes: providing a photoreactive composition; providing a source of sufficient light for simultaneous absorption of at least two photons; exposing the photoreactiv... | 01/23/2007 |
| 7158273 | Holographic data memory A holographic data storage medium has a polymer film which is set up as a storage layer whose refractive index can be changed locally by heating. The polymer film is set up for the storage of optical phase information via the local optical path length of the polymer... | 01/02/2007 |
| 6999657 | High density optical data storage A data storage apparatus includes an array of optical fibers. The array has a first end and a second end. The first end of the array includes multiple optical fiber ends, each optical fiber end having an end face adapted for receiving light of a wavelength λ into t... | 02/14/2006 |
| 6917493 | Ampere head with perpendicular magnetic field A magnetic head for generating a magnetic field is provided in which first and second electrical contacts are electrically coupled to a thin film wire. An electrical current is passed between the contacts and through the wire to generate a magnetic field. A focus me... | 07/12/2005 |
| 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 computer, the interface output data comprising a function of the interfa... | 10/19/2004 |
| 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 surely reconstruct a correct image. The optical memory device includes... | 08/03/2004 |
| 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. Initially, the luminophore and the quencher are not intermixed, so that... | 04/13/2004 |
| 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 chromophoric memory units attached to a support substrate. Each c... | 05/07/2002 |
| 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 recording, readout and erasing, and located in close proximity to... | 08/21/2001 |
| 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 chromophoric memory units attached to a support substrate. Each c... | 05/23/2000 |
| 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 chromophoric memory units attached to a support substrate. Each c... | 11/10/1998 |
| 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 chromophoric memory units attached to a support substrate. Each c... | 07/28/1998 |
| 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 component; a first air gap; a second prism which extracts a pred... | 07/07/1998 |
| 5669995 | Method for writing and reading data on a multi-layer recordable interferometric optical disc and method for fabricating such A recordable compact disc comprises a 0.6 millimeter clear plastic or glass substrate on which is grown a thin-film image layer having several distinct recording planes. Each recording plane is separated from the next by a clear plastic layer. Each record... | 09/23/1997 |
| 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 excitation lights at the same time or at different times on t... | 06/03/1997 |
| 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 includes a laser diode used as a light source, a grating f... | 01/14/1997 |
| 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 incident light excitation into both elastic and inelastic li... | 07/02/1996 |
| 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 containing a photochromic material dispersed therein, the photochr... | 08/01/1995 |
| 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 light of the lamp, and a pinhole and color filter for enhancin... | 03/21/1995 |
| 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 comprises a photo-chemical hole burning element which functions ... | 08/16/1994 |
| 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 photopolymerization. An optical information recording apparatus comprises... | 02/01/1994 |
| 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, erasing, and writing of information signals and a standby ... | 08/10/1993 |
| 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 laser is included in the array for each wavelength at which abs... | 08/04/1992 |
| 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 plurality of different wavelengths to a recording medium to requir... | 04/21/1992 |
| 4927681 | Optical information recording medium providing reflected light at two different wavelengths Recording medium having islands of light-emitting material in regions formed between a transparent substrate, and a reflective layer disposed on one principal surface thereof. The islands of light-emitting material are sensitive to illuminating light inci... | 05/22/1990 |
| 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 temperature regions in the solid state and capable of caus... | 09/20/1988 |
| 4766047 | Optical recording medium and optical recording process using such medium An optical recording medium and an optical recording process using such a medium are provided. The optical recording medium comprises a photopolymerizable monomer having a hydrophilic group, a hydrophobic group, and at least one unsaturated bond in the mo... | 08/23/1988 |
| 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 danger of cross-talk between adjacent tracks. One preferred... | 10/27/1987 |
| 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 wavelengths and a protective cover means that is selectively t... | 12/24/1985 |
