Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 8089837 | Optical disk player When an optical disk player is switched on, a controller obtains information of a sampling frequency or sampling frequencies that are supported by an appliance that is connected to the optical disc player through an HDMI cable. Then, when a playing start command is ... | 01/03/2012 |
| 8040769 | Optical disc reproducing apparatus and operation method thereof An optical disc reproducing apparatus includes: a decode processing circuit configured to generate decoded data by decoding encoded data read out from an optical disc such that the decoded data is written into a buffer memory, and to output a write signal to indicat... | 10/18/2011 |
| 8009532 | Recording device and method, and computer program, and recording medium A recording apparatus includes: a first strategy calculating device (SCD) for calculating a first optimum strategy allowing jitter recorded at a first speed to satisfy a desired condition by adjusting a first standard strategy; a second SCD for calculating a second ... | 08/30/2011 |
| 7545714 | Method for controlling data read speed of optical disc Embodiments of method and apparatus for controlling a data read speed of an optical disc can reproduce data with greater accuracy. An embodiment of a method for controlling data read speed can determine whether the optical disc is finalized or in an open state, and ... | 06/09/2009 |
| 7349623 | Data recording apparatus and system having sustained high transfer rates According to the invention, techniques for recording data onto recording media at relatively high transfer rates for relatively long periods of time. Embodiments according to the present invention include systems and apparatus capable of an improved sustained rate o... | 03/25/2008 |
| 7304926 | Motor control system having output clamp function and method of the same A motor control system comprises a motor controller and a clamp apparatus and is used for controlling a motor apparatus. The motor controller is used for generating a motor control output according to a reference signal and a feedback signal from the motor apparatus... | 12/04/2007 |
| 7301873 | Information recording medium, information recording device and method therefor, and computer program product and storage medium therefor On a recording medium, the version information indicating a version of the recording standard to which the information recording medium is adapted is recorded. Moreover, the normal recording condition information for recording information at a normal recording speed... | 11/27/2007 |
| 7272089 | Optical disc recording under adjustable conditions Prior to a main record, a trial write of data in an optical disc is performed in accordance with the characteristics between a record velocity and an optimum record power (Steps S2 to S4). The quality of a signal reproduced from the trial-written data ... | 09/18/2007 |
| 7233552 | Optical disk device capable of recording information data according to ZCLV format An optical disk device for recording data in an optical disk under ZCLV control is provided. The optical disk device divides the optical disk into a plurality of zones, and drives said optical disk at a linear velocity fixed in each zone but varied among the zones. ... | 06/19/2007 |
| 7200080 | Optical disk recorder with reproduction quality control A method is designed for writing data originally recorded in a source disk medium with an original reproduction signal quality, into an object disk medium by means of an optical recording apparatus having a machine parameter settable to control a reproduction signal... | 04/03/2007 |
| 7184379 | Optical disk recording/reproducing method and apparatus in which recording properties of the disk are detected when recording speed is changed An operation for recording a recording signal onto a disk (1) is interrupted, when an amount of signal data stored in a buffer RAM (11) for temporarily storing the recording signal is less than an interruption setting value during performing of the rec... | 02/27/2007 |
| 7154829 | Optimal recording method for optical recording media and optical recording medium stored with information about optimum recording conditions Disclosed is an optimal recording method for optical recording media which is capable of recording information about optimum recording conditions on an optical recording medium in order to allow a subsequent recording of data at an optimum recording power, based on ... | 12/26/2006 |
| 7142490 | Optical recording method and apparatus with different recording rates An optical recording method and apparatus with different recording rates are provided for effectively increasing the average recording rate. The optical recording method includes the steps of: controlling a recording rate with a constant linear velocity (CLV) contro... | 11/28/2006 |
| 7113475 | Optical information storage medium and recording/reproducing method for the optical information storage medium An optical information storage medium includes information on recording layers having the same reproduction channel characteristics or different reproduction channel characteristics. Nominal recording speed information is recorded in a read-only zone, and maximum an... | 09/26/2006 |
| 7095689 | Method and device for controlling the rotating speed of a spindle of an optical disk drive through a wobble signal, an EEFS signal and an ESFS signal A method and device for controlling a rotation speed of a spindle of an optical disk drive includes a frequency detector, two phase detectors, a frequency divider, a low pass filter, a switch circuit, and a drive circuit. The method uses a wobble signal, an encoder ... | 08/22/2006 |
| 7065018 | CLV system and method using PSA lookup A system and method for controlling operation of a motor system that addresses the design challenges for the small form factor optical disk system. The control system can be operable to read a physical sector address (PSA) from an optical medium, calculate a table i... | 06/20/2006 |
| 7031242 | Method of controlling rotation of optical recording medium at two or more rotational speeds, and storage apparatus employing same method A storage apparatus rotates an optical recording medium at two or more kinds of rotational speeds. The rotational speed is decreased when a read or write margin becomes less than or equal to a first predetermined value or, when a frequency of generation of a servo a... | 04/18/2006 |
| 7031237 | Discontinuous position detecting device and method for detecting a discontinuous position A discontinuous position detecting device for detecting a discontinuous position at which date and time information indicative of date and time of recording on a recording medium is discontinuous, the discontinuous position detecting unit including, a scanning unit ... | 04/18/2006 |
| 7020058 | Optical disc device varying, detecting and noticing a recording velocity during a recording An optical disc device records data on an optical disc by projecting a laser beam on the optical disc such that a linear density of the data becomes substantially constant. The optical disc device comprises velocity judging means, velocity changing means, recording ... | 03/28/2006 |
| 7016278 | Apparatus and method for controlling recording speed of optical disc recording system A method of controlling a recording speed of an optical disc recording system includes detecting error information with respect to a level of a servo control signal of the optical disc recording system, and adjusting the recording speed of the optical disc recording... | 03/21/2006 |
| 7006414 | Optical disk device An optical disk device for writing information on an optical disk having an APC part for monitored driving of a laser diode is provided which performs first and second OPCs. An unused partition of a test area and reference power value are read out from the optical d... | 02/28/2006 |
| 6985418 | Optical disk reproducing apparatus The present invention provides an optical disk reproducing apparatus capable of providing special reproducing (replay) mode using a jog dial in a manner similar to the special reproduction using an analog record player such as scratching etc. When the operation disk... | 01/10/2006 |
| 6958966 | Control device for optical disk player that corrects rotational frequency data based on input data An optical disc player having an optical pickup records and retrieves information on an optical disc while the optical disc is rotating. A rotation pulse is generated each time the optical disc rotates through a prescribed angle. A rotation frequency data representi... | 10/25/2005 |
| 6940792 | CLV optical disc, CLV optical disc format, and an optical disc medium recording and reproducing apparatus A CLV optical disc capable of recording the information with a constant linear velocity. In the CLV optical disc, plural lines of specified track exist in the predetermined data area, railroad length of the tracks is integer times of the length of a sector, the leng... | 09/06/2005 |
| 6751185 | Optical disc and apparatus for scanning the optical disc An optical disc is described for recording data, which disc has a recording area subdivided in coaxial annular zones comprising circular or spiral tracks. Each track within one of the zones is arranged for storing a same predetermined amount of data, and the first t... | 06/15/2004 |
| 6751174 | Disc reproducing system A disc playback system according to this invention, as shown in FIG. 1, comprises a pickup 1 for reading information from an information disc 2 on which data are recorded at a constant linear velocity, a disc motor 16 for rotating the informatio... | 06/15/2004 |
| 6728683 | Reproducing apparatus and reproducing method Reproducing method and apparatus for reproducing highly efficiently encoded data from a record medium composed of spectrum data and scale factor data determines if address of changed highly efficient encoded data and stores it. The method and apparatus determines wh... | 04/27/2004 |
| 6693869 | Locating information on an optical media disc to maximize the rate of transfer A user-interactive program assists a user in locating files on optical media discs such as CD-ROMs and DVDs to enhance file-transfer rates and program installation times in computers with a Constant Angular Velocity (CAV) optical media disc drive. In addi... | 02/17/2004 |
| 6556524 | Optimum-recording-speed determining method, recording-speed setting method and recording method for optical disk Optimum power control also known as OPC is performed while changing a recording speed and a recording laser power level. Signal recorded through the optimum power control is reproduced for measurement of reproduced signal quality. Recording speed achievin... | 04/29/2003 |
| 6538967 | Method and apparatus for controlling a reproduction speed of an optical disk This invention provides method and apparatus for controlling a reproduction speed of an optical disk, which detects the condition of an optical disk and changes the reproduction speed automatically to a pre-determined speed corresponding to the detected d... | 03/25/2003 |
| 5956307 | Device end method for reproducing data from disk, method for controlling rotation of disk, and reproduction clock generating device A virtual RAM read address generating circuit (41) generates a virtual address on the basis of an output signal of a crystal oscillation circuit (36). A phase comparison circuit (39) which performs phase comparison with a write address, and a spindle cont... | 09/21/1999 |
| 5805548 | Information reading apparatus An information reading apparatus has a feature that, when a disc on which data is recorded by a CLV system is read out by a CAV system, a transfer rate is changed in accordance with an amount of data recorded on the disc and the data can be efficiently re... | 09/08/1998 |
| 5627809 | Optical disk device having high-speed reproduction capability An optical disk drive for reproducing digitally compressed image data is configured such that during high-speed fast forwarding or fast reversing of an optical disk, only the field or frame compressed by the in-field or in-frame coding is reproduced. At t... | 05/06/1997 |
| 5568467 | Information recording format having a plurality of bands with independent read and write control data A data recording medium using a format that includes: a data zone having a plurality of bands composed of at least one track, in which user data are written; and a control zone in which band control data are written. Each of the band control data correspo... | 10/22/1996 |
| 5477517 | Method for the recording and reproducing of data A method for recording and reproducing compressed data to improve the utilization of the storage capacity of a moving recording medium. The data are compressed prior to a recording step. Prior to reproduction the data are expanded to retrieve the original... | 12/19/1995 |
| 4750055 | Record carrier for storage of video information A video disc is provided with tracks which are arranged in a plurality of sectors. The tracks in the sectors are divided into groups each containing an integral number of video fields recorded on an integral number of tracks. The tracks within a given sec... | 06/07/1988 |
| 4750059 | Data recording format for an information-bearing disk An information-bearing disk (magnetic-rigid or floppy, magneto-optical - Kerr or Faraday, optical or an equivalent thereof) includes equally spaced data-storing tracks grouped in a plurality of annular zones encircling the center of the disk. The ratio of... | 06/07/1988 |
| 4481615 | Motor controlling circuit of reproducing apparatus and method of controlling A reproducing apparatus comprises a motor (9) for driving a digital audio disk (1), in which digital data and a synchronizing signal are recorded. The digital data is modulated in accordance with a predetermined digital modulating system such as an EFM mo... | 11/06/1984 |
