Class 369/18 - OPTICAL READING OF MECHANICAL RECORD

Subclass of Class 369 - Dynamic information storage or retrieval
Definition: Subject matter including retrieval by optical sensing of
No. of patents: 39
Last issue date: 02/09/2010

Number	Title	Issue Date
7660208	Equipment for the optical playback of analog phonographic records This invention relates to equipment for the optical playback of sound media which includes resources (1) that has engraves grooves, (3, 9) for generating at least one light beam that presents a light spectrum variation according to its incidence angle ...	02/09/2010
7359523	Fluidic acoustic transducer Sound signals are detected. Light signals are generated that pass through a membrane of a bubble within a trench. The sound signals cause deformations within the membrane of the bubble. The light signals are detected after the light signals have passed through the m...	04/15/2008
7349626	Imaging apparatus The imaging apparatus 1 comprises: a semiconductor imaging device 5 which converts incident light to an electrical signal; an optical filter 4 which is opposed to an incident surface of the semiconductor imaging device 5 and transmits lig...	03/25/2008
7345975	Metrological digital audio reconstruction Audio information stored in the undulations of grooves in a medium such as a phonograph record may be reconstructed, with little or no contact, by measuring the groove shape using precision metrology methods coupled with digital image processing and numerical analys...	03/18/2008
7334244	Flexible flat cable and disk drive using the same A flexible flat cable and a disk drive using the same are provided. The flexible flat cable is configured to suppress an electromagnetic interference (EMI) generated by a signal transmitted by it. The flexible flat cable includes a main body and a metal layer. The m...	02/19/2008
7330414	Method for reconstruction of phonograph records from physical measurement A method for reconstructing the original groove configuration of a phonograph record. The methodology comprises providing an instrument for measuring the entire groove of a phonograph with an instrument in communication with a computer. The computer reconstructs the...	02/12/2008
7301857	Media player including a resume function A method and arrangement remembers a last-played position of a recorded medium by associating an identification number with the medium and storing therewith in memory a last-play position of the medium. The identification number of the recorded medium is analyzed af...	11/27/2007
7277362	Audio signal reproduction apparatus having scratch reproducing function An audio signal reproduction apparatus for reproducing scratch sound from an optical disk. Scratch reproduction operation is performed through use of a jog dial and a turntable. When either the jog dial or the turn table has been actuated, a rotational operation sig...	10/02/2007
7197754	Apparatus for detecting the open and closed status of an optical disk drive An apparatus for detecting an external optical disk drive's open/closed status. The apparatus includes an upper housing, a cover, a solenoid valve sub-assembly, a solenoid valve base, a solenoid valve, a hook device, a torsion spring, an elastic plate, a lower housi...	03/27/2007
7120616	Method for specifying, executing and analyzing method sequences for recognition A method for specifying, executing and analyzing method sequences for the recognition of dispatch labels and form entries. In the specification phase, the method sequences are input in graphical form into a computer system as flowcharts with attributes and function ...	10/10/2006
7110330	Method of providing sub-code data of optical disc drive to host computer A sub-code providing method that provides correct sub-code data when sub-code data is requested from a host when a reproduction mode is performed in an optical disc drive. In a method providing sub-code data to a host computer in an optical disc drive formed so that...	09/19/2006
7046912	Reproducing apparatus and reproducing/recording apparatus memorizing identification information of optical information media and method thereof A reproducing apparatus and method for recording/reproducing record information to perform an information recording medium. A drive is provided for recording/reproducing recorded information to/from the information recording medium, and a non-volatile memory memoriz...	05/16/2006
7042811	Frictionless, non-destructive playback system for cylinder recordings The present invention provides a laser heterodyne interferometer based system for audibly producing sounds recorded on a cylinder recording, such as an Edison type wax cylinder, or a 33, 45 or 78 RPM LP (long play) record. The system generally comprises an optical s...	05/09/2006
7016268	Optical reproducing system having resume function based on recording time of each program on the medium A record medium playback apparatus includes a playback section and a playback control section. The playback control section is adapted to control a playback start position of the program information when the record medium playback apparatus is restarted after power ...	03/21/2006
6957440	Methods for translating and reading optical disks The present disclosure provides apparatus and methods for reading optical disks. Some implementations are particularly well suited for automatically playing both sides of a dual-sided optical disk. By coordinated delivery of disks between a disk reader, a disk trans...	10/18/2005
6938121	Disk storage system having an electronic circuit mounted on the surface of the disk and control method thereof The present invention provides a control method of a rotary storage medium having an electronic circuit that controls connection between an electronic circuit block and an external apparatus to enhance the performance of the entire system, and a system thereof. The ...	08/30/2005
6914863	Disc player and method of preventing lock of its resume play A disc player includes a reproducing parameter setting/extracting unit, a reproducing state monitor, a reproducing parameter storage unit for storing a reproducing position, a number-of-loadings counter, and a controller for controlling them. The controller, during ...	07/05/2005
6829207	Method for reconstruction of phonograph records from physical measurement A method for reconstruction the original groove configuration of a phonograph record. The methodology comprises providing an instrument for making measurements of the geometry of a groove of a phonograph record with the instrument in communication with a computer an...	12/07/2004
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
6385255	Coding system and method for partial response channels A system and method for reading data to and writing data from multi-level (M-ary) partial response channels uses a trellis coder to encode an input bit stream sequence into a stream of multi-level data symbols. The data symbols are written to the partial ...	05/07/2002
5774583	Information reproducing device for reproducing multimedia information recorded in the form of optically readable code pattern, and information recording medium storing multimedia information in the same form A code pattern of an information recording medium contains processing information necessary for editing data according to a restoration processing procedure for restoring multimedia information. The restoration processing procedure has a hierarchical stru...	06/30/1998
5668970	Method and apparatus for generating a file allocation table for a storage medium with no file allocation table using file storage information In a typical storage medium, such as a magnetic hard disk, there is a file allocation table (FAT) stored thereon which is referenced each time the medium is accessed. Many data processing mechanisms rely on the existence of this FAT for accessing the medi...	09/16/1997
5477510	Optical disc playback and display apparatus An optical disc playback and display apparatus comprising a playback block for reproducing the optical disc recorded with large quantities of character information or image information, a display block, rectangular in shape, for displaying reproduced char...	12/19/1995
5365502	Optical disc player having a resume function An optical disc player which is comprised of a reproducing unit for reproducing an information recorded on an optical disc, a display unit for displaying information associated with the information reproduced from the optical disc, a first memory for stor...	11/15/1994
5278811	Magneto-optic recording and playback system A magneto-optic reading apparatus includes a laser light source for generating a linearly polarized light beam and a quarter-wave plate which converts the linearly polarized light beam into a circularly polarized light beam. A beam splitter separates the ...	01/11/1994
5195083	Disc-shaped recording medium capable of recording data signals by means of light beam A disc-shaped recording medium is used in a recording/reproducing apparatus in which a light beam is arranged to scan along a groove formed as a concentrical or spiral recording track, to record or reproduce data. Additional data which has preeviously bee...	03/16/1993
4972344	Dual beam optical turntable Disclosed is an optical turntable system for optically playing phonograph records having a recorded signal in a groove formed by a wall having a position modulated by the recorded signal. An optical unit includes an optical source providing a first light ...	11/20/1990
4870631	Optical turntable system with reflected spot position detection Disclosed is an optical turntable system for optically playing phonograph records having a recorded signal in a groove formed by a wall having a position modulated by the recorded signal. An optical unit includes an optical source providing a first light ...	09/26/1989
4821250	Process and apparatus for the recording of an information signal A process and an apparatus are specified for recording a digital signal onto a recording carrier (4), in particular a signal for recording in compact disc data format, in which an engraving or cutting stylus (2) is pressed substantially by dead weight alo...	04/11/1989
4743089	Photoelectric optical fiber reading apparatus An optical reading head is an optical reader for photoelectric reading of images on a medium, comprising a plural light-emitting optical fibers for transmitting beams of light from light emitting elements to the surface of the medium, and plural light-rec...	05/10/1988
4710912	Air cushion-optical data read head An air cushion-optical data read head that includes an optical pick-up system for reading data stored on the walls of an engraved V-groove disc or record, air means for causing the read head to hover above the surface of the record, and air jet means for ...	12/01/1987
4504934	Optical signal reproducing apparatus In an optical signal reproducing apparatus for a conventional disc phonograph record, the groove of said record is irradiated with the light beam from a direction that varies cyclically at a constant frequency in a plane. Said plane includes both the tang...	03/12/1985
4378491	Optical apparatus for sensing information from a phonograph record for controlling spacing and tracking of the pick-up relative to the record A method and apparatus employing optical type techniques are provided for use in reliably sensing the juxtapositional relationship between successively relevant portions of an object and a sensing unit that are relatively movable, in accurately maintainin...	03/29/1983
4363118	Sound carrier amplitude measurement system Apparatus provides an incident light beam which illuminates the surface of a grooved disc, having signal elements recorded therein in the form of a succession of spaced apart depressions, with a light spot that spans a plurality of convolutions of the gro...	12/07/1982
4216357	Optical play-back system for recorded signals with oscillating beam This invention relates to a system for optically playing back recorded signals from a recorded medium on which signals of images or sounds are continuously recorded so as to constitute a signal recorded line or signal track. In play-back the images or sou...	08/05/1980
4152726	Record disk and method for producing the same with constant width groove In a record disk having a spiral groove in a surface thereof with the depth of the groove varying along the latter for representing recorded information, such as video signals; the groove has an inverted bell-shaped cross-section which is symmetrical abou...	05/01/1979
4150398	Linear method of optically recording a video or other signal In optically producing a reproducible recording of video or other signals, the intensity of at least one laser light beam is modulated by the signals to be recorded while such light beam scans a substantially flat surface on a photo-sensitive recording me...	04/17/1979
3992593	Disc phonograph record playback by laser generated diffraction pattern A laser beam is directed at the groove of a conventional disc phonograph record as it rotates, creating a reflected interference/diffraction pattern of the groove walls. The magnitude and rate of displacement of the interference/diffraction pattern is sen...	11/16/1976
3941945	Signal playback system transducer with optical resonance cavity A pickup system for playing back signals stored on the surface of a carrier in a form providing an optically detectable property which varies as a function of the time pattern of the stored signals, the storage being constituted by undulations or variatio...	03/02/1976

PatentStorm

Bizarre Patents

PatentStorm News

Class 369/18 - OPTICAL READING OF MECHANICAL RECORD