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| Number | Title | Issue Date |
| 8031562 | Master disk for magnetic transfer, a method of drawing a magnetic transfer pattern, and a magnetic recording medium having a transferred magnetic transfer pattern A master disk for magnetic transfer of a reference servo signal in a spiral mode, having a pattern including a plurality of dots groups, which are disposed at different radial positions of the master disk with a first pitch, and correspond to the reference servo sig... | 10/04/2011 |
| 7400821 | Device and method for reproducing photographic sound recordings For a reproduction of optical sound information in a double variable-area track (DZ) an optoelectronic converter device scans the optical sound track of a film. The converter device generates a digital image signal for buffer storage in the memory of a program-contr... | 07/15/2008 |
| 7359900 | Digital audio track set recognition system A system and method are provided for matching a track set from a digital audio recording to metadata relating to the recording. Track duration data is obtained for the track set, and the track duration data is rounded. A search is performed for matching records in a... | 04/15/2008 |
| 7318131 | CPU-containing LSI, and optical disk device and LSI device with the same The present invention provides a CPU-containing LSI in which software stored in an external memory is incorporated partially into a RAM and thereby the capacity of the RAM to be used can be held down, and an optical disk device including the same. In the CPU-contain... | 01/08/2008 |
| 7248748 | Image processing apparatus, image processing method, storage medium, and program There are provided an image processing apparatus and method. In this apparatus and method, high-frequency components are converted by multiple-frequency transformation in accordance with tone conversion used to change the dynamic range, thereby obtaining a high-qual... | 07/24/2007 |
| 7215633 | Storage device having a probe with a tip to form a groove in a storage medium A storage device comprises a probe having a tip. The storage device also comprises a storage medium, with the tip of the probe to form the groove in the storage medium. The probe tip interacts with a surface of the groove to store and read data. ... | 05/08/2007 |
| 7167623 | Optical recording device An optical recording device includes: a light source for emitting light of plural wavelengths; an optical waveguide formed by a crystal defect in a photonic crystal, into which light emitted from the light source is launched; an information recording/erasing unit fo... | 01/23/2007 |
| 7127729 | Magneto-optical head and magneto-optical disk drive A magneto-optical head including a lens forming a light spot on a storage disk, a magnetic field generating coil arranged between the lens and the disk to surround the optical center of the lens, and an annular heat sink arranged around the coil. The distance betwee... | 10/24/2006 |
| 7126663 | Variable area film soundtrack renovation A method for reducing sound track sibilance distortion during playback of an analog optical sound track. The method comprises the steps of forming and storing an image of the analog optical sound track. Representing part of the stored image as a spatial image and ap... | 10/24/2006 |
| 7123339 | Processing variable area film soundtracks A method for playback of film with an analog optical sound track the method comprises the steps of forming an image of only said analog optical sound track. Storing the image and representing part of the stored image as a spatial image. Processing the spatial image ... | 10/17/2006 |
| 7091409 | Music feature extraction using wavelet coefficient histograms A music classification technique computes histograms of Daubechies wavelet coefficients at various frequency subbands with various resolutions. The coefficients are then used as an input to a machine learning technique to identify the genre and emotional content of ... | 08/15/2006 |
| 7085675 | Subband domain signal validation A system, method and program product for predictive condition monitoring of a monitored system by means of sub-band decomposition of a complex monitored signal. Features of the decomposed signal are extracted for modeling estimation and detection of deviations in th... | 08/01/2006 |
| 7053978 | Correction of optical film soundtrack deficiencies An apparatus and method for analog optical sound track playback includes a transport device for transporting a film including an analog optical sound track and audio representative envelope. A scanner forms a display image signal representative of the analog optical... | 05/30/2006 |
| 7050142 | Digital reproduction of optical film soundtracks An apparatus for playback of an analog optical sound track includes a transport for transporting a film including an analog optical sound track. A scanner generates an image signal of only the analog optical sound track. An alignment device aligns the scanner such t... | 05/23/2006 |
| 6975580 | Optical aperture for data recording having transmission enhanced by waveguide mode resonance Electromagnetic radiation from an optical source is directed onto an optical aperture in a metallic structure. The metallic structure in turn emits optical output from an emission region in the structure and onto a recording medium (e.g., a magnetic recording disk),... | 12/13/2005 |
| 6973012 | Information recording/reproducing apparatus for editing data on a recording medium An information recording/reproducing apparatus is capable of recording the video information on an optical disk and reproducing the video information which has been recorded on the optical disk in accordance with a play list. The apparatus includes the detecting uni... | 12/06/2005 |
| 6963530 | Near-field optical head system with integrated slider and laser A near-field optical apparatus having one or more solid state lasers and an aerodynamically shaped slider which comprise a single integrated, monolithic device fabricated from the same base semiconductor material. The monolithic optical head can be quickly and easil... | 11/08/2005 |
| 6647327 | System and method for data exchange in a vehicle multimedia system In a multimedia system for a vehicle, a plurality of multimedia units are connected to one another by an optical bus laid as a ring line. An interface unit, situated at an arbitrary point in the ring line or integrated into one of the multimedia units est... | 11/11/2003 |
| 6614730 | SERODS optical data storage with parallel signal transfer Surface-enhanced Raman optical data storage (SERODS) systems having increased reading and writing speeds, that is, increased data transfer rates, are disclosed. In the various SERODS read and write systems, the surface-enhanced Raman scattering (SERS) dat... | 09/02/2003 |
| 6593014 | Thermomagnetic recording medium, thermomagnetic recording and reproducing method, and thermomagnetic recording and reproducing device A thermomagnetic recording medium includes a thermal change layer whose thermal conductivity is induced to change by a metal-to-insulator transition, is greater on a lower temperature side of a transition temperature and is smaller on a higher temperature... | 07/15/2003 |
| 6414911 | Flying optical head with dynamic mirror A magneto-optical flying head utilizes a steerable mirror in combination with a light source and a lens to write and read data onto a magneto-optical storage disk. A beam of laser light transmitted from the light source to the optical head is reflected on... | 07/02/2002 |
| 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. Information is stored in each of the plurality of media locations as... | 03/07/2000 |
| 4558440 | System for recording patterns of magnetically recorded information by utilizing the magneto-optic effect A device for reading magnetically recorded patterns on a magnetic recording medium includes a first system for causing a light beam polarized in a predetermined direction to enter the recording medium, a second device for relatively varying the ratio of t... | 12/10/1985 |
| 4539662 | Method and system for optically recording and playing back information on a recording medium having magnetization film thereon Disclosed is a method and system for recording and playing back information utilizing a recording medium having a vertical magnetization film on and from which the information is recorded and read out by an optical means, characterized by changing the dir... | 09/03/1985 |
| 4531205 | Optoelectronic method of reading data on a magnetic medium and circuit for performing said method Optoelectronic method of reading the data retained on a magnetic medium (SM) on a plurality of tracks, receiving the data in the form of a plurality of luminous spots (IDi) projected onto a plane (P) where there are arranged a plurality of phot... | 07/23/1985 |
| 4404599 | Laser recording information and pilot signals for tracking on a grooveless recording An information signal recording system records an information signal, a first and a second reference signals for tracking control, and a third reference signal for switching the first and second reference signals at the time of reproduction on a recording... | 09/13/1983 |
| 4375096 | Multi-bandwidth optical playback apparatus with elongated read spot Recovery from a record of data recorded in an elongated information track, comprising undulations representative of the data is effected by an optical playback system. In the system, the data is recorded within two substantially different frequency bands.... | 02/22/1983 |
| 4351046 | Video disc player having carriage detent mechanism A video disc player is fitted with a mechanism for detenting a stylus carriage against a travel limit stop. The detent mechanism includes a toothed member disposed on the carriage which engages a toothed wheel. The wheel is spring loaded such that in a ce... | 09/21/1982 |
| 4342109 | Carriage alignment apparatus for video disc player In a video disc player, a support roller is mounted to one end of a pickup carriage by means of an eccentric stud. The height of the roller in respect of the carriage is adjusted by changing the angular position of the eccentric stud. A support bracket is... | 07/27/1982 |
| 4333174 | Transducer displacement apparatus for video disc player In a video disc player, a mechanism, responsive to opening of the carriage lid, retracts a carriagemounted transducer to accommodate a pickup cartridge in a compartment provided in a pickup arm carriage. When the lid is closed, the subject mechanism advan... | 06/01/1982 |
| 4325136 | Video disc player having carriage drive apparatus A stylus arm carriage is driven across the record in synchronism with the radial motion of a pickup stylus by means of a carriage drive mechanism which includes a clutch. The clutch is selectively disabled to allow motion of the carriage without hindrance... | 04/13/1982 |
| 4317192 | Head suspension velocity control apparatus for electromechanical recorder A diamond stylus for electromechanically recording short wavelength video signal information in a metal disc master is supported in a cutterhead suspension apparatus. A set of parallel spring steel suspension members are used to mount a cutting stylus ass... | 02/23/1982 |
| 4315283 | High density recording system using side-by-side information and servo tracks An information signal recording system records an information signal, a first and a second reference signals for tracking control, and a third reference signal for switching the first and second reference signals at the time of reproduction on a recording... | 02/09/1982 |
| 4310915 | Dual parallelogram cutterhead suspension apparatus A cutting stylus assembly for electromechanically recording short wavelength video signal information in a metal master is supported in a cutterhead suspension apparatus. In the suspension head apparatus the cutting stylus assembly is supported by an air ... | 01/12/1982 |
| 4295216 | Apparatus for measuring the characteristics of a wideband electromechanical recording system having a transformer A monitoring circuit for monitoring and measuring the mechanical characteristics of a piezoelectric video disc recording cutterhead takes the form of a bridge network. The motional charge or motional current, which are related to the mechanical characteri... | 10/13/1981 |
| 4243849 | Signal recording device A signal recording device comprises information means for introducing frequency-modulated information signals, generator means for generating control signals corresponding to the frequencies of the information signals introduced by the information means, ... | 01/06/1981 |
| 4170783 | Signal pickup device for reproducing an information signal recorded on a track of a rotary recording medium A signal pickup device is used in an apparatus for reproducing an information signal recorded in a track on a horizontal surface of a rotary recording medium. The signal pickup device comprises a reproducing stylus for tracing the track to reproduce the i... | 10/09/1979 |
