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Patent # Description
US-8,077,588 Driving apparatus
A driving apparatus is provided with: a stage structure on which a medium having a small recording domain is mounted; and a facing structure which is provided...
US-8,077,587 Laser attachment device and optical pick-up device using the same
A laser attachment device of the present invention is formed of a LD package and a LD holder housing it. A first inner wall of the LD holder to come into...
US-8,077,586 Optical recording head device, optical recording apparatus, and recording method
According to one embodiment, an optical recording head device includes a light source which outputs such a relaxation oscillation optical pulse that a full...
US-8,077,585 Condenser lens for an objective lens system
An objective lens system for an optical pickup apparatus, includes in order from an object side: a first lens group having negative paraxial power P.sub.1...
US-8,077,584 Beam shifting element for an optical storage system
The present invention relates to a beam shifting element and to an apparatus for reading from and/or writing to optical storage media using in such a beam...
US-8,077,583 Optical element, aberration correcting element, light converging element, objective optical system, optical...
An optical system for use in an optical pickup apparatus comprises a first optical surface having a superposition type diffractive structure including a...
US-8,077,582 Optical pickup, optical information recording method, and optical disc apparatus
The recording accuracy of information on an optical disc is increased. An information optical system (150) of an optical disc apparatus (110) enables a...
US-8,077,581 Optical pickup and optical disc drive
An optical pickup has a semiconductor laser device that can emit laser beams with different wavelengths. A beam splitter and objective lens direct the emitted...
US-8,077,580 Optical information recording and reproducing apparatus
An optical information recording and reproducing apparatus includes an optical pickup, a phase conjugate optical system, a disc cure optical system, and a...
US-8,077,579 Holographic recording medium and pickup for this medium
A holographic recording medium with an improved servo structure is presented. The holographic recording medium has a hologram layer for storing holograms and a...
US-8,077,578 Recording apparatus and broadcast receiving apparatus
According to one aspect of the embodiment, a recording apparatus includes: a recording medium unit having a metal face; a control circuit configured to operate...
US-8,077,577 Information recording device and method, and computer program
An information recording device can record a plurality of pieces of recording information, for instance, at different times, in an information recording medium...
US-8,077,576 Optimum gap determined recording/reproducing apparatus and method
A recording/reproducing apparatus is disclosed that includes a spindle motor unit including a spindle on which a flexible recording disk is placed, a stabilizer...
US-8,077,575 Information recording method that records management information for managing dummy information as a file in a...
A method of recording information on a recording medium. The method includes determining whether an amount of information recorded in a user data area is equal...
US-8,077,574 Drive device and method for controlling the same
An optical drive includes: an optical pickup; a preprocessing circuit which processes an optical signal detected by the optical pickup; nonvolatile memory...
US-8,077,573 Optical disk apparatus and disk identification method
A highly reliable optical disk apparatus adapted to record and reproduce the information in and from plural types of optical disks is disclosed. An acquisition...
US-8,077,572 Recording medium with restricted playback feature and apparatus and methods for forming, recording, and...
A recording medium, such as a high-density and/or read-only recording medium, such as BD-ROM, capable of preventing unauthorized duplication of data streams,...
US-8,077,571 Storage media defect detection
Detecting a defect on a storage device is disclosed. Detecting includes receiving a signal read from a storage device, sampling the signal to obtain a set of...
US-8,077,570 Error recovery method for video recording
An error recovery method for video recording is provided. The method is suitable for recovering data of a disk when an error occurs during video recording. The...
US-8,077,569 Methods and devices for controlling access to an optical disc
A device for controlling access to an optical disc includes a control word calculator and a numerically controlled oscillator (NCO). The control word calculator...
US-8,077,568 Method and system for synchronizing information specific to a location on a surface with an external source
An apparatus including sensors that aid in the location of a stylus within the groove of a rotating record. The location of the stylus corresponds to a portion...
US-8,077,567 Recording and reproducing apparatus and recording and reproducing method
A recording and reproducing apparatus includes a drive unit that reads data from a first medium and a drive unit control unit that controls the drive unit. The...
US-8,077,566 Systems and methods for testing unformatted optical recording media
Various embodiments herein include one or more of systems, methods, software, and/or data structures to test and evaluate unformatted optical media such as...
US-8,077,565 Optical disc device and lens tilt control method
With an optical disc apparatus of the present invention, the number of tracks of an optical disc crossed by a light spot when the tracking control is inactive...
US-8,077,564 Method for improving readability of an optical disc, and associated optical storage apparatus
A method for improving readability of an optical disc includes: changing a first control parameter of an optical storage apparatus that accesses the optical...
US-8,077,563 Beam applying method, optical recording medium, and recording and reproducing apparatus
In a beam applying method, recording and reproducing operations are performed on an optical recording medium, in which a signal is recorded and reproduced by...
US-8,077,562 Optical disc device
An optical disc apparatus according to the present invention includes a disc rotation mechanism 2 for allowing an optical disc 1 having an information recording...
US-8,077,561 Recording medium, apparatus for recording/reproducing data on/from the same and method thereof
A physical structure, apparatus for recording/reproducing on/from a recording medium using the same and method thereof are disclosed, by which the physical...
US-8,077,560 Additionally recordable information recording medium, information recording method, information reproducing...
An additionally recordable information recording medium has a complicated management structure for managing an unrecorded area. Therefore, there are problems...
US-8,077,559 Thermally-assisted magnetic recording head including plasmon generator
An outer surface of a plasmon generator includes: a plasmon exciting part that faces an evanescent light generating surface with a predetermined distance...
US-8,077,558 Thermally-assisted magnetic recording head including plasmon generator
A plasmon generator has an outer surface including a plasmon exciting part that faces an evanescent light generating surface of a waveguide. The outer surface...
US-8,077,557 Multiple aperture VCSEL EAMR heads
A magnetic recording device comprises a multi-aperture vertical cavity surface emitting laser (VCSEL) operably coupled to a magnetic recording head and a...
US-8,077,556 Thermally assisted magnetic head, head gimbal assembly, and hard disk drive
A thermally assisted magnetic head has a medium-facing surface facing a magnetic recording medium; a near-field light generator disposed on a light exit face in...
US-8,077,555 Sponge replacement and reminder system and method
A method and system for identifying when a cleaning article, such as a sponge, should be replaced or disposed within a period of time is disclosed. A cleaning...
US-8,077,554 Stimulus indicating device employing polymer gels
The present invention relates to a stimulus-indicating device. More particularly, the present invention relates to an apparatus and method for evidencing when a...
US-8,077,553 Timing system and device and method for making the same
A timing device for indicating a passage of a duration of time is disclosed. The timing device in accordance with the embodiments of the invention has a grid...
US-8,077,552 Visual alert device
A visual alert device includes a keypad for a user to enter a primary follow-up time period for which a user desires to be visually reminded of its progressive...
US-8,077,551 Time adjustment device, timekeeping device with a time adjustment device, and a time adjustment method
A time adjustment device having a time information generating unit that produces time information and outputs the generated time information; a reception unit...
US-8,077,550 Electronic timepiece, time adjustment method for an electronic timepiece, and control program for an electronic...
An electronic timepiece has a reception unit that can receive satellite signals transmitted from positioning information satellites and acquire time information...
US-8,077,549 Frontal sonar
Frontal sonar for observing the seafloor, characterized in that it includes: elements for insonifying a seafloor area divided into M sectors, able to perform a...
US-8,077,548 Multibeam sounder
The sounder according to the invention comprises two transmit-receive antennas (1, 10) whose respective axes are off-target toward the front, in the direction...
US-8,077,547 Method and apparatus for seismic exploration
The disclosure identifies method and apparatus for seismic exploration which may be used to provide improved positioning of land-based seismic sources in an...
US-8,077,546 Method for monitoring a multi-layered system
A method for monitoring a multi-layered system below a surface comprising a slow layer and a fast layer; the method comprising: transmitting one or more seismic...
US-8,077,545 Method for detecting gas influx in wellbores and its application to identifying gas bearing formations
A method for identifying gas in a wellbore includes imparting acoustic energy into the wellbore at a first selected position and detecting the acoustic energy...
US-8,077,544 Dual-wavefield multiple attenuation
Method for attenuating surface multiple reflections in dual-wavefield seismic data. In one implementation, the method may include: (a) performing wavefield...
US-8,077,543 Mitigation of noise in marine multicomponent seismic data through the relationship between wavefield components...
A method and apparatus implementing a technique for mitigating noise in seismic data are presented. The technique includes estimating a noise component in a set...
US-8,077,542 Determining the inline relationship of network nodes in a subterranean survey data acquistion network
A system includes a subterranean survey data acquisition network and a processor. The network has first nodes that are distributed along a length of the network...
US-8,077,541 Testing a sensor to produce a filter for noise attenuation
To test a seismic sensor, an output of the seismic sensor in response to a test signal applied by a signal generator is measured. According to a first function...
US-8,077,540 System and method for determining vector acoustic intensity external to a spherical array of transducers and an...
A system and computer implemented method for determining and displaying vector acoustic intensity fields based on signals from a rigid spherical array of...
US-8,077,539 Acoustic reflector
An acoustic reflector (10) suitable for use as a reflective target for navigational aids and for location and re-location applications. The acoustic reflector...
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