Matches 1 - 50 out of 112 1 2 3 >
Match Document Document Title
7418071 Method and apparatus for generating a phase dependent control signal  
A phase detector generates a phase dependent control signal according to the phase relationship between a first and second clock signal. The phase detector includes first and second phase detector...
7415404 Method and apparatus for generating a sequence of clock signals  
A clock generator circuit generates a sequence of clock signals equally phased from each other from a master clock signal. The clock generator is formed by inner and outer delay-locked loops. The...
7373575 Method and apparatus for generating expect data from a captured bit pattern, and memory device using same  
Expect data signals are generated for a series of applied data signals having a known sequence to determine if groups of the data signals were properly captured. A first group of the applied data...
7234070 System and method for using a learning sequence to establish communications on a high-speed nonsynchronous interface in the absence of clock forwarding  
A memory system includes a memory hub controller that sends write data to a plurality of memory modules through a downstream data bus and receives read data from the memory modules through an...
7168027 Dynamic synchronization of data capture on an optical or other high speed communications link  
A method and system that dynamically adjusts link control parameters of a communications network. The communications network includes a transmitter coupled through a first data link to a receiver....
7159092 Method and system for adjusting the timing offset between a clock signal and respective digital signals transmitted along with that clock signal, and memory device and computer system using same  
A method and circuit adaptively adjust respective timing offsets of digital signals relative to a clock output along with the digital signals to enable a latch receiving the digital signals to...
7085975 Method and apparatus for generating expect data from a captured bit pattern, and memory device using same  
Expect data signals are generated for a series of applied data signals having a known sequence to determine if groups of the data signals were properly captured. A first group of the applied data...
7038983 Data reproduction apparatus having a variable synchronization detection window  
A fast synchronization pull-in and an optimum error correction are achieved in a reproduction apparatus for reproducing data recorded on a recording medium even in the case where the quality of...
7016451 Method and apparatus for generating a phase dependent control signal  
A phase detector generates a phase dependent control signal according to the phase relationship between a first and second clock signal. The phase detector includes first and second phase detector...
RE38706 Recording defect substitution method of a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium  
In a recording and reproducing apparatus for a disc-shaped recording medium, and a defect substitution method for a disc-shaped recording medium ( 8 ), whether reproduction of recorded data is good...
6757862 Method and apparatus for digital data error correction coding  
A method for generating an error correction code (ECC) for a sequence of data units. A first lookup table has first mask words representing a correspondence between each possible data unit sequence...
6741529 Method and apparatus for moving carriage assembly from initial position to target position and optical disc system including same  
An apparatus and method for moving a carriage assembly from an initial position to a target position relative to a storage medium rotating at a circumferential velocity. A processor determines a...
6707776 Recording and reproducing method of optical information recording medium  
The present invention relates to a recording and reproducing method and apparatus for an optical disk of the phase transition type that can be overwritten. According to this invention, the capacity...
6697313 Optical information recording and reproducing system with overwrite capability and recording medium for use therewith  
The present invention relates to a recording and reproducing method and apparatus for an optical disk of the phase transition type that can be overwritten. According to this invention, the capacity...
6683739 Optical information recording and reproducing system with overwrite capability and recording medium for use therewith  
The present invention relates to a recording and reproducing method and apparatus for an optical disk of the phase transition type that can be overwritten. According to this invention, the capacity...
6532199 Optical actuator assembly with lens position sensor for recording or playback  
An apparatus for optical reading or recording information on an optical disc is rotatable about an axis of rotation. The apparatus includes a carriage, an objective lens, and an objective lens...
6470411 Method and device for accessing sets of data contained in mass memory  
The invention relates to a method of access to data sets stored in a bulk memory. During an access time to a data set, the method provides for reading introduction data and exploiting these. This...
6456742 Method for image processing  
An image compression/decompression method is provided to improve the speed of data processing after the AD converter outputting the data scanned. The present invention defines a byte as having an...
6434087 Optical disc system and method for controlling bias coil and light source to process information on a storage medium  
An optical disc system for storing information on a medium includes a light source, a focusing mechanism, and a tracking mechanism wherein the mechanisms are controlled by a feedback loop and the...
6418097 Analog to digital converter assembly for normalizing servo error signals and multiplexing reference voltage inputs and digital outputs and improved optical drive system including same  
An analog to digital circuit assembly includes a circuit for multiplexing a reference voltage input of an analog to digital converter to produce alternating normalized and referenced digital...
6317391 Optical disc system having current monitoring circuit with improved bias coil assembly and controller for laser driver and method for operating same  
An optical drive system includes a computer that monitors the current in an improved bias coil assembly in conjunction with a magnetomotive field generator to determine when a predetermined current...
6278665 Optical disc system including current monitoring circuit assembly having controller with improved optics module and laser driver and method for operating same  
An optical drive system includes a computer that monitors the current in the bias coil of a magnetomotive field generator to determine when a predetermined current threshold is exceeded. When the...
6266306 Analog to digital converter and assembly for use in optical drive system to normalize servo error signals and multiplex reference voltage inputs and digital outputs  
An analog to digital circuit assembly for use in an optical information includes a circuit for multiplexing a reference voltage input of an analog to digital converter to produce alternating...
6243336 Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal and focus capture method for use in same  
An optical drive system includes an optical assembly, a light source, a lens positioned to direct light between the optical assembly and an information storage medium or disc, and an actuator...
6236625 Optical disc system having current monitoring circuit with controller for laser driver and method for operating same  
A magneto-optical drive system having a computer that monitors the current in the bias coil of a magnetomotive field generator to determine when a predetermined current threshold is exceeded. When...
6175549 Recording defect substitution method of a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium  
In a recording and reproducing apparatus for a disc-shaped recording medium, and a defect substitution method for a disc-shaped recording medium (8), whether reproduction of recorded data is good...
6141300 Optical actuator including lens assembly with optical axis having symmetric suspensory forces acting thereon and optical disc system including same  
An apparatus for optically reading or recording information on an optical disc which is rotatable about an axis of rotation. The apparatus includes a frame, a carriage, a carriage drive, an...
EP0802536B1 Recording medium, signal recording apparatus thereof, and signal reproducing apparatus thereof  
Abstract of EP0802536 The invention relates to a recording medium, a corresponding recording apparatus and a corresponding reproducing apparatus. On the recording medium data are recorded as a...
6122765 Receiving apparatus, receiving method, transmission system and transmission method  
Multiplex transmission apparatus 10 on the transmitting side multiplexes received signals from non-voice signal input output apparatus 14 and voice signal input output apparatus 16, and also...
6118927 Method and apparatus for reproducing a data according to navigation data  
In a super density optical disk for storing video data, wherein video data is compressed to packs defined in MPEG and trains of the packs are stored in a video object unit. The video object unit...
6115342 Optical disk recording device and optical disk drive  
An optical disk writing device includes an optical disk drive recording data into an optical disk and having no harddisk as a data buffer, and a host; computer controlling the optical disk drive...
6091684 Optical disc system and method for changing the rotational rate of an information storage medium  
An optical disc drive apparatus includes mechanics, optics, electronic circuitry, and software code for implementing a method of disc rotation. One such method includes the changing of the...
6087644 Focus capture for optical disc system including detection of quad sum signal to close focus  
A system for focus capture wherein a lens is initially retracted to the bottom of its stroke, moved up to the top of its stroke while looking for the maximum Quad Sum signal, then moved back away...
6069857 Optical disc system having improved circuitry for performing blank sector check on readable disc  
An optical disc drive system is employed in conjunction with a storage medium having a plurality of data sectors each provided with a header and a data storage area. The system includes a data...
6058081 Optical drive system having servomotor operated relative to maximum quad sum signal  
An optical drive system includes an objective lens subassembly for directing light from a light source toward an information storage medium. An amount of the directed lighted light is returned from...
6049515 Optical disk device and replacement processing method  
In this invention, in an optical disk on which data is to be recorded in units of one ECC block constructed by 16 sectors, dummy data is recorded at the manufacturing time or at the initial time...
6034364 Optical disc system including focus capture assembly with focus error signal circuit and method for operating same  
An improved method for operating an optical disc system having a focusing mechanism, a tracking mechanism, and a lens. The method includes the steps of impinging light upon a disc to be read,...
6031814 Optical disk with stop-pulse generating means in a guide groove  
A recording and reproducing apparatus for an optical disk of the transitional type that can be overwritten, having an optical information recording medium. The medium has a guide groove and a...
6031804 Optical disk device having defect detection information  
An apparatus and method for detecting and replacing a defective sector on an optical disk. Recording data and error correction data are recorded on an optical disk at a manufacturing time or an...
6009433 Information storage and information transmission media with parental control  
Parental information of a video program recorded on an optical disk is always checked in a disk player. Even if a jump of laser beam tracing of an optical head erroneously occurs due to shocks or...
5991253 Optical disk device and replacement processing method  
In this invention, in an optical disk on which data is to be recorded in units of one ECC block constructed by 16 sectors, dummy data is recorded at the manufacturing time or at the initial time...
5982729 Optical disk device and replacement processing method  
In this invention, in an optical disk on which data is to be recorded in units of one ECC block constructed by 16 sectors, data is recorded at the time other than the initial time, then the data is...
5974007 Apparatus for moving a carriage assembly from an initial position to a target position  
An apparatus for moving a carriage assembly from an initial position to a target position relative to a storage medium rotating at a circumferential velocity. The apparatus includes a suspended...
5963522 Optical disk device and method for detecting and replacing a defective sector within a block containing recording data and error correction data on an optical disk  
An apparatus and method for detecting and replacing a defective sector on an optical disk. Recording data and error correction data are recorded on an optical disk at a manufacturing time or an...
5956309 Optical disk device and replacement processing method  
An apparatus and method for detecting and replacing a defective sector on an optical disk. Recording data and error correction data are recorded on an optical disk at a manufacturing time or an...
5956306 Recording medium, signal recording apparatus thereof and signal reproducing apparatus thereof  
A recording medium, a signal recording apparatus thereof, and a signal reproducing apparatus thereof, the recording medium having a recording area divided into sectors, each of which is composed of...
5946443 Method and apparatus for restoring sync data in a digital video disc playback system  
A sync data restoring method and apparatus restores data recorded on a digital video disc (DVD) despite damaged sync data in a digital video disc playback system. The method and apparatus...
5920539 Apparatus and method for suppression of electromagnetic emissions having a groove on an external surface for passing an electrical conductor  
An apparatus for the suppression of electromagnetic emissions from an electronic device. The apparatus includes a die cast metallic container having a continuous wall, a shoulder formed on the...
5909417 Recording medium formatted for error correction and high density recording and an apparatus for recording information thereon and/or reproducing information therefrom  
A recording medium, a signal recording apparatus thereof, and a signal reproducing apparatus thereof, the recording medium having a recording area divided into sectors, each of which is composed of...
5883867 Optical disk device and method for replacing a defective sector within a block containing recording data and error correction data on an optical disk  
An apparatus and method for detecting and replacing a defective sector on an optical disc. Recording data and error correction data is recorded on an optical disk at a manufacturing time or an...
Matches 1 - 50 out of 112 1 2 3 >