12th week of 2009 patent applcation highlights part 30 |
Patent application number | Title | Published |
20090073810 | NETWORKED SONAR OBSERVATION OF SELECTED SEABED ENVIRONMENTS - A sonar transducer network for observing a seabed includes a controller. A first transducer assembly includes a first acoustic transducer to convert a first ping to a first electrical signal; and a first transducer processor to receive a first electrical signal from the first acoustic transducer to generate the first transducer data. At least one second transducer assembly is spaced apart from the first transducer assembly. The second transducer assembly includes a second acoustic transducer to convert a second ping to a second electrical signal. The second transducer processor receives the second electrical signal from the second acoustical transducer to generate second transducer data. A network bus communicates first transducer data and second transducer data with the controller. | 2009-03-19 |
20090073811 | ACOUSTIC NAVIGATION DEVICE AND METHOD OF DETECTING MOVEMENT OF A NAVIGATION DEVICE - A navigation device for navigating a user interface of a processor-controlled device includes an acoustic transmitter adapted to transmit an acoustic signal, an acoustic receiver adapted to receive the acoustic signal and located at a fixed position with respect to the acoustic transmitter, and a measurement circuit coupled to an output of the acoustic receiver and adapted to determine a distance traversed by the navigation device as a function of time. | 2009-03-19 |
20090073812 | AUDIO/VIDEO ALARM CLOCK AND PRE-SET TIME REMINDING METHOD THEREOF - An audio/video alarm clock and a pre-set time reminding method thereof. The audio/video alarm clock includes a time function unit, an audio play unit and a video play unit, which includes a touch screen. The time function unit provides a current time. The video play unit displays the current time when the current time is not a pre-set time. The audio play unit and the video play unit respectively play prerecorded audio data and prerecorded video data when the current time is the pre-set time. At this time, the audio play unit stops playing the prerecorded audio data if the touch screen is touched. | 2009-03-19 |
20090073813 | ALARM CLOCK WITH MULTIPLE INTERACTIVE AUDIO NOTIFICATIONS - An alarm clock assembly includes a time mechanism for keeping current time, a display for displaying the current time, an input device for receiving an alarm time from a user, and an audio output device. An alarm mechanism is configured for playing a first audible alarm over the audio output device in response to the current time being equal to the alarm time. A snooze mechanism having a snooze input for receiving a snooze command from the user, the snooze mechanism being configured for temporarily ceasing the playing of the first audible alarm by the alarm mechanism. An alarm off mechanism having an input for receiving an off command from a user and for terminating the playing of the first audible alarm and for playing a second audible alarm over the audio output in response to receiving the off command. The assembly can also be configured for enabling the user to customize and/or record alarms such as audio clips as the first and/or second audible alarms and can be configured for playing a third audible alarm in response to receiving a snooze command. | 2009-03-19 |
20090073814 | Low-Displacement Pendulum - A gravity pendulum, referred to as a low-displacement pendulum because it does not displace air as it rotates, is disclosed. The low-displacement pendulum uses an unbalanced wheel instead of the more conventional suspended bob. Because the pendulum does not displace air as it rotates, it eliminates an important component of air drag that causes energy loss in a normal pendulum. The low-displacement pendulum also eliminates errors caused by variations in barometric pressure. In addition, it can be easily thermally compensated without the use of special materials, such as Invar. | 2009-03-19 |
20090073815 | DEVICE AND A METHOD OF MANUFACTURING A HOUSING MATERIAL - A device has a magnetically shielded component that is magnetically shielded from an external magnetic field, and a housing. The housing is made from a ferritic stainless steel that has an austenitized surface layer rendered on the surface, and an internal layer portion having an internal ferrite phase that functions as a magnetic shield for the magnetically shielded component. | 2009-03-19 |
20090073816 | TIMEPIECE - A timepiece having a movement, a substantially cylindrical case that houses the movement, a bezel that holds the outside edge part of a crystal and is fastened to the case, and a back cover that is fastened to the opposite side of the case as the side to which the bezel is disposed. The case has a plurality of movement fastening units for fastening the movement by means of screws, a plurality of bezel fastening units for fastening the bezel by means of screws, and a plurality of back cover fastening units for fastening the back cover by means of screws. The screws disposed to the movement fastening units, the bezel fastening units, and the back cover fastening units are substantially aligned with the axial direction of the case. The movement fastening units, the bezel fastening units, and the back cover fastening units are respectively disposed at different positions in the circumferential direction of the case, and are disposed to a fastener reference position substantially similar in shape to the shape of the outside of the movement facing the case. | 2009-03-19 |
20090073817 | OPTICALLY-READABLE DISK WITH COPY PROTECTION DEVICE - An optically-readable disk includes a device that disrupts readability of the disk when the disk is spun at an angular velocity substantially greater than required to play the disk in its intended playing device, or when a defined integral of velocity and time is exceeded. The device may include a fluid container that disperses a data-disruptive fluid. The device may include a membrane or layer that is disrupted when the disk is rotated above a defined angular velocity, or when a defined integral of velocity and time is exceeded. The device may include an electro-optical material that is activated by an electrical signal from a controller in response to an input from a sensor responsive to motion of the disk. | 2009-03-19 |
20090073818 | SEEKING CONTROL SYSTEM AND METHOD OF OPTICAL DISC DRIVE - A seeking control system in an optical disc drive is disclosed. The system comprises a servo controller, a velocity control unit, and a switch unit. The servo controller receives a central servo signal to output a first tracking control signal for the tracking coil. The velocity control unit receives a tracking error signal to determine a velocity of the pickup head and compares the velocity of the pickup head with a predetermined velocity profile to generate the second tracking control signal. The switch unit outputs the second tracking control signal instead of the first tracking control signal to the motor driver to control the pickup head moving steadily. | 2009-03-19 |
20090073819 | RECORDING APPARATUS AND METHOD, AND RECORDING MEDIUM AND PROGRAM USED THEREWITH - A recording apparatus includes an acquiring unit for acquiring, from an optical disc, disc-state information including at least information of an optical disc type, information of a recording format, and information indicating whether the optical disc has already been finalized, a first determining unit for determining, based on the information of the optical disc type and the information of the recording format in the acquired information, whether the optical disc type and the recording format correspond to one of predetermined combinations, a second determining unit for determining, based on the result of determination by the first determining unit and the acquired information, whether the optical disc needs to be finalized, and a display control unit for controlling, when the second determining unit determines that the optical disc needs to be finalized, display of a message representing the need of the finalization. | 2009-03-19 |
20090073820 | METHOD FOR INVENTORY OF AN AUTOMATED DATA STORAGE LIBRARY - An automated data library system employing a plurality of cartridges, one or more cartridge storage slots and an inventory controller. Each cartridge includes a cartridge memory. The cartridge storage slot(s) is(are) physically configured to store the cartridges. The inventory controller is operable to generate an inventory of the cartridges as stored within the cartridge storage slot(s). A generation by the inventory controller of the inventory of the cartridges as stored within the cartridge storage slot(s) involves the inventory controller simultaneously accessing cartridge identification information on two or more cartridge memories, and generating the inventory including two or more cartridges corresponding to the cartridge identification information. | 2009-03-19 |
20090073821 | Media processing device and control method for a media processing device - A media processing device does not execute a media transportation process if the height of media stacked in a media storage unit is at an over capacity level, and reliably prevents problems such as damage to the media transportation mechanism caused by collision with the stacked media. If in the media processing device the height of media stacked in a media storage unit | 2009-03-19 |
20090073822 | SIGNAL PROCESSING METHOD OF WOBBLE SIGNAL, RECORDING AND REPRODUCING METHOD OF OPTICAL DISC, OPTICAL DISC APPARATUS, PROGRAM, AND RECORDING MEDIUM - In a method of and an apparatus for creating a reproduced wobble signal by subtracting an estimated crosstalk signal, expressed by a sine waveform having a frequency approximately equal to the meandering frequency of grooves, from an original wobble signal and recording or reproducing an information pattern at a predetermined position of an optical disc, a carrier signal, which is caused to correspond to the meandering of the groove by being subjected to phase synchronization, is assumed based on the reproduced wobble signal, a crosstalk remaining component is estimated from the amplitude and phase of the region, which meanders in approximately the same phase as the estimated carrier signal in the reproduced wobble signal, and from the amplitude and phase of the region which meanders according to a signal different from the estimated carrier signal, and the estimated crosstalk is updated to cancel the remaining component. | 2009-03-19 |
20090073823 | OPTICAL ELEMENT, OPTICAL HEAD, OPTICAL INFORMATION RECORDING AND REPRODUCTION APPARATUS, COMPUTER, IMAGE RECORDING DEVICE, IMAGE REPRODUCTION DEVICE, SERVER AND CAR NAVIGATION SYSTEM - The present invention provides a first light source ( | 2009-03-19 |
20090073824 | Optical Disc Drive - An optical disk apparatus according to the present invention includes: a light emission section for emitting laser light; an optical system for irradiating the optical disk medium with the laser light; and an aberration control section for controlling aberration of the laser light. In one embodiment, the aberration control section repeatedly switches between a plurality of aberration setting states in a focus lock-in operation. In another embodiment, the aberration control section simultaneously sets a plurality of aberration setting states in a focus lock-in operation. As a result, a plurality of aberration setting states can be allowed to substantially coexist within a single optical system. | 2009-03-19 |
20090073825 | Optical pick-up, aberration correcting method, optical pickup program, information recording device and method, information recording program, information reproducing device and method, information reproducing program, and information recording medium - The invention is to provide an optical pickup capable of performing a track search operation accurately by reducing noise occurring in a focus servo system during the track search operation and also accurately recording/reproducing information to/from an optical disk. | 2009-03-19 |
20090073826 | OPTICAL DEVICE FOR SCANNING AN INFORMATION CARRIER - An optical scanning device for scanning an information carrier. The device includes an array optical element arranged to generate an array of radiation spots from an incident radiation beam, for the scanning of the information carrier. The device further includes an aberration optical element arranged to apply a predetermined optical aberration to the radiation for correction of optical aberration in the radiation spots. | 2009-03-19 |
20090073827 | AUTOMATIC POWER CONTROL SYSTEM FOR OPTICAL DISC DRIVE AND METHOD THEREOF - An automatic power control system, a down sampling circuit and a down sampling method. The automatic power control system is incorporated in an optical disc drive comprising a laser diode for receiving a control signal to generate a laser beam; and a photodetector for detecting the laser beam to generate an analog input signal. The automatic power control system comprises an analog-to-digital converter, a down sampling circuit, a comparator, and a digital-to-analog converter. The analog-to-digital converter converts the analog input signal to digital data. The down sampling circuit, coupled to the analog-to-digital converter, comprises a down sampler, a counter, and a controller. The down sampler receives a predetermined amount of digital data to generate representation data. The counter, coupled to the down sampler, calculates the amount of digital data, and resets the down sampler when the amount equals or exceeds the predetermined count. The controller, coupled to the counter, disables the counter when the digital data is invalid. The comparator, coupled to the down sampling circuit, compares the representation data with predetermined target data to generate error data. The digital-to-analog converter, coupled to the comparator, converts the error data to analog to generate the control signal. | 2009-03-19 |
20090073828 | RECORDING MEDIUM PLAYBACK DEVICE AND METHOD THEREOF - When playback of a recording medium, which stores content data that is only allowed to be played back for a limited number of times, is forcibly terminated due to a scratch on the recording medium, the playback of the content data residing at a subsequent location that follows a location having the scratch is performed without the number of playbacks being counted, and without a particular operation such as skip. Upon the playback after the forced termination, an address of an optical disk at which the playback was performed at the time of the forced termination is stored in a RAM unit. The address stored in the RAM unit is read out, and the content data residing at a subsequent address that follows the read address in terms of a predetermined number of addresses is played back. When data residing at the subsequent address that follows the read address cannot be read, the playback is repeated for a predetermined number of times for other addresses that follow the previous address at intervals in terms of the predetermined number of the addresses. | 2009-03-19 |
20090073829 | HYBRID LASER DIODE DRIVERS - A hybrid LDD includes a read channel to selectively output a read current, a plurality of write channels, each to selectively output a different write current, and an oscillator channel to selectively output an oscillator current. Additionally, the hybrid LDD includes programmable LDD controller that receives the plurality of enable signals from the external controller, and based on the enable signals, controls timing of the currents output by at least the write channels. The programmable LDD controller can also control timing of the currents output by the read and oscillator channels, based on the enable signals. Further and alternative embodiments are also provided. | 2009-03-19 |
20090073830 | REPRODUCING APPARATUS AND REPRODUCTION METHOD - A reproducing apparatus includes the following elements. A reproducing head unit irradiates an optical disk with a laser beam to obtain a reproduced signal. An offset cancellation circuit cancels an offset element of the reproduced signal. An automatic gain control circuit adjusts the amplitude of the reproduced signal processed through the offset cancellation circuit. A band switching control unit detects a fingerprint period during which the reproduced signal is affected by a fingerprint on the surface of the optical disk and, for the fingerprint period, switches a frequency band in which the offset cancellation circuit and the automatic gain control circuit function to a higher frequency band than that associated with a non-fingerprint period. A decoding unit decodes the reproduced signal processed through the automatic gain control circuit to output binary data. A data reproduction processing unit performs reproduction processing on the binary data to obtain reproduced data. | 2009-03-19 |
20090073831 | Device and method for connecting interrupted recording - This invention provides an optical storage device for recording a plurality of data onto an optical storage medium. If recording interrupted, the optical storage device generates a data-interrupted address, and re-connects the interrupted data with a data re-connecting physical address. The optical storage device comprises a physical addressing module, a record-interrupt generator, a data recording controller, a data-interrupt address generator and a data-reconnecting physical address generator. The physical addressing module provides a reference physical address for recording data onto the optical storage medium. When detecting the interrupt of data recording, the data-interrupt address generator generates the address of the interrupted data. According to the address of the interrupted data, the data-reconnecting physical address generator generates a data-reconnecting physical address. The optical storage device utilizes the data-reconnecting physical address to continue to record the interrupted data onto the optical storage medium. | 2009-03-19 |
20090073832 | Data writing control device, data writing control method, and data writing control program - A data writing control device enables quickly writing data to optical discs. A reading process unit | 2009-03-19 |
20090073833 | METHOD AND APPARATUS FOR DETERMINING OPTIMUM LASER POWER - A method for determining an optimum laser power for a recording medium. The method includes checking if a portion of an unused area in a test area on the recording medium is defective, and performing an optimum laser power operation in a used area in the test area, in which the used area is a non-defective area that was used to test the optimum laser power for the recording medium. | 2009-03-19 |
20090073834 | METHOD OF AND APPARATUS FOR RECORDING DATA ON OPTICAL RECORDING MEDIUM - A method of and apparatus for recording data on an optical recording medium form a mark or a space by using a recording waveform having an erase pattern containing a multi-pulse. The method and the apparatus prevent distortion of the mark or the space and improve a mark shape such that a recording/reproducing characteristic of the optical recording medium is improved. | 2009-03-19 |
20090073835 | Recording Parameter Setting Device, Program Thereof, Computer-Readable Recording Medium Containing the Program, Information Recording Medium, Recording/Reproducing Device, and Recording Parameter Setting Method - A recording parameter setting device includes a trial recording parameter setting section ( | 2009-03-19 |
20090073836 | Disk decision method and optical disk drive using the disk decision method - A method of determining the type of disk loaded on an optical disk drive, and an optical disk drive using the method are provided. The disk decision method includes operations of detecting a change in the magnitude of a focus error signal generated during a focus search for a recording layer of a disk closest to an outermost layer of the disk, wherein the change in the magnitude of the focus error signal depends on a change in a recording layer of the disk for which aberration correction is performed, and determining a recording layer architecture of the disk according to the detected change in the magnitude of the focus error signal. | 2009-03-19 |
20090073837 | OPTICAL PICKUP - An optical pickup to improve countermeasure capability of a disc by allowing polarized light of a spot on the disc to become elliptically polarized light includes a light source to emit semiconductor laser light, an objective lens to condense the light emitted from the light source and form an optical spot on a disc, and a wave plate which is rotated such that the spot formed on the disc becomes elliptically polarized light. | 2009-03-19 |
20090073838 | Optical Disc Media Type Confirmation Method - The present invention relates to a method for preventing a problem of collision between an optical system and a media by suggesting a method for confirming the kind of the medium prior to its operation in a drive having a compatibility with respect to a method for storing a near field optical information using SIL and a method for storing a remote field optical information below the existing blu-ray disk. The present invention can distinguish from an inserted optical disk if a compatible drive/pickup is in a near-field method, and confirm if the inserted optical disk is operable in a near-field method drive/pickup in advance, also. | 2009-03-19 |
20090073839 | REPRODUCTION APPARATUS AND METHOD - According to one embodiment, there is disclosed a reproduction apparatus includes a determination unit determining a preset reproduction limit level of the reproduction apparatus, a generator generating message data in accordance with the reproduction limit level, a reader reading data recorded in a recording medium, a reproduction unit reproducing data read from the reader, a detector detecting a reproduction limit level of the recording medium from data read from the reader, and a display unit comparing the reproduction limit level of the recording medium with the reproduction limit level of the reproduction apparatus, and stopping reproduction of the data of the generator in accordance with the comparison result, and further, displaying a message generated by the generator. | 2009-03-19 |
20090073840 | Optical disk drive - According to one aspect of the present invention, there is provided an optical disk drive that is equipped with a land prepit detection circuit, the land prepit detection circuit including: a first peak hold circuit for inputting a push-pull signal to output a first peak voltage; a second peak hold circuit for inputting the push-pull signal through an LPF to output a second peak voltage; a bottom hold circuit for inputting the first peak voltage to output a bottom voltage; a slice level generation circuit for dividing the difference between the bottom voltage and the second peak voltage to generate a slice level used to detect a land prepit; and a comparator for comparing the push-pull signal with the slice level generated by the slice level generation circuit to detect the land prepit. | 2009-03-19 |
20090073841 | METHOD AND APPARATUS FOR RECORDING DATA ONTO AN OPTICAL DISC - A method of recording information onto an optical disc of the rewritable type, the disc comprising a spiral track, at least part of the track being arranged as a recording area for recording the information, the recording area being further divided into sequential, independently addressable units of pre-determined size, pre-determined numbers of addressable units being grouped in recording unit blocks comprising: deciding for at least an recording unit block that it will be recorded; determining direct overwrite information for said recording unit block, the direct overwrite information comprising information with respect to the number of times the recording unit block was previously recorded; encoding and recording the information into the recording unit block and updating the direct overwrite information for the recording unit block, the direct overwrite information being recorded within the recording unit block. The method also comprise that before recording, reading the said direct overwrite information and adapting Write Strategy and Write Powers accordingly. | 2009-03-19 |
20090073842 | COUPLING STRUCTURE OF HARD DISK DRIVE USING STUD - A coupling structure of a hard disk drive using a stud. The coupling structure includes a stud insertion hole formed in the base plate, a stud, a first screw insert hole, a first screw, a second screw insert hole, and a second screw. The stud includes a first screw coupling hole formed in an upper portion and a second screw coupling hole formed in a lower portion, and is inserted into the stud insertion hole to be fixed to the base plate. The first screw insert hole is formed at a position of the cover plate disposed over the base plate corresponding to the stud. The first screw is inserted into the first screw insert hole to be coupled to the first screw coupling hole so that the cover plate is coupled to the base plate. The second screw insert hole is formed at a position of the PCB disposed under the base plate corresponding to the stud. The second screw is inserted into the second screw hole to be coupled to the second screw coupling hole so that the PCB is coupled to the base plate. A protective cover is disposed under the base plate to cover and protect the PCB. The protective cover is also coupled to the base plate by the second screw coupled to the second screw coupling hole of the stud. | 2009-03-19 |
20090073843 | Planar optical waveguide for heat assisted magnetic recording - An optical waveguide includes a core guiding layer, a cladding layer adjacent to the core guiding layer, a reflective layer, and a multiple layer stack on the reflective layer. The multiple layer stack includes a periodic arrangement of dielectric bilayers that each include a first dielectric layer and a second dielectric layer. An index of refraction n | 2009-03-19 |
20090073844 | METHOD OF RECORDING DATA IN MULTILAYERED RECORDABLE OPTICAL RECORDING MEDIUM, RECORDING AND REPRODUCING APPARATUS FOR RECORDING THE DATA IN THE RECORDING MEDIUM AND THE RECORDING MEDIUM - A method of recording data in a multilayered recordable optical recording medium is disclosed. When test recording is executed in a multilayered recordable optical recording medium having N recording layers (N is an integer of 2 or more), a test recording range in a test recording area of an (m+1) | 2009-03-19 |
20090073845 | OPTICAL RECORDING MEDIUM - An optical recording medium using Sn as the recording material to improve the jitter is provided, in which on the surface of a disc substrate | 2009-03-19 |
20090073846 | OPTICAL RECORDING MEDIUM, OPTICAL RECORDING DEVICE, AND OPTICAL RECORDING AND REPRODUCING DEVICE - An optical recording method and optical recording device using a multi-pulse write strategy to record on an optical disc by recording a signal (S | 2009-03-19 |
20090073847 | OPTICAL READER FOR READING IDENTIFICATION CODES ON OPTICAL DISCS - An optical reader comprises a housing, at least one light source inside the housing and an image sensor whose terminus is inside the housing. The housing has a longitudinal axis and a disc-receiving portion for receiving an optical disc so that the optical disc is coaxial with the longitudinal axis. The at least one light source is positioned on the longitudinal axis to illuminate the identification code on the optical disc and be reflected therefrom. The terminus of the image sensor is also positioned on the longitudinal axis, further from the disc-receiving portion than the at least one light source, and oriented to capture the identification code within its field of view. The image sensor and the at least one light source are cooperatively configured so that the terminus of the image sensor receives light reflected from the identification code and thereby readably detects the identification code. | 2009-03-19 |
20090073848 | OPTICAL RECORDING MEDIUM, MANUFACTURING METHOD FOR OPTICAL RECORDING MEDIUM, AND REPRODUCING METHOD FOR OPTICAL RECORDING MEDIUM - An optical recording medium includes a main-information area in which a metal reflection film is formed on a substrate where a row of pits is formed as main data, and a sub-information area in which is recorded medium identification information, which is used to identify the optical recording medium individually, by removing the metal reflection film partially and forming a plurality of reflection-film removed areas. Information is reproduced by irradiating the metal reflection film with a beam of light. In the sub-information area, a row of pits or a guide groove is formed on the substrate, and a track pitch of the row of pits or the guide groove is at least 0.24 μm wide and at most 0.45 μm wide. | 2009-03-19 |
20090073849 | HIGH DENSITY DATA STORAGE MEDIUM - A data storage system includes a read/write head having a tip connected to a resistive path locally exerting heat at the tip when an electrical current is applied; and a data storage medium from which information is reproduced by scanning a surface of the medium with a tip positioned in contact therewith, the medium comprising: a substrate; and a polymer recording surface within which data bit values are determined by the topographical state at the bit location, characterized in that the polymer contains thermally reversible crosslinkages. | 2009-03-19 |
20090073850 | OPTICAL DATA STORAGE DEVICE - The present invention aims to provide an optical data storage device capable of not only recording digital information by using holography, but also recording or reproducing information onto or from conventional optical discs represented by BD. In the optical data storage device of the present invention, a single light source is used for generation of both an optical beam for holographic medium curing and an optical beam for recording or reproducing information onto or from a BD or an HD DVD. Furthermore, the optical beam for holographic medium curing and the optical beam for recording or reproduction of information onto or from a BD or an HD DVD are designed to go through optical paths partly including a common optical path. In this configuration, multiple optical system configurations can be reasonably placed together into a single case. | 2009-03-19 |
20090073851 | APPARATUS AND METHOD FOR RECORDING/REPRODUCING HOLOGRAPHIC DATA AND HOLOGRAPHIC DATA STORAGE MEDIUM - A method and apparatus for recording and/or reproducing holographic data and a holographic information storage medium, wherein the apparatus for recording and/or reproducing holographic information includes an optical pickup emitting light onto a holographic information storage medium and receiving the emitted light. The optical pickup includes: a light source unit emitting a signal beam and a reference beam in a recording mode; and a focusing optical system focusing the signal beam and the reference beam on one focal point in the holographic information storage medium so that information can be recorded by using an interference pattern formed along a depth direction of the holographic information storage medium in the vicinity of the focal point, wherein the numerical aperture of the focusing optical system for the signal beam is different from the numerical aperture of the focusing optical system for the reference beam. | 2009-03-19 |
20090073852 | APPARATUS AND METHOD FOR RECORDING/REPRODUCING HOLOGRAPHIC DATA - An optical pickup of a holographic data recording/reproducing apparatus that emits light to a reflective holographic data storage medium in which a substrate, a reflection layer, a recording layer, and a cover layer are sequentially stacked, and receives the emitted light, the optical pickup including: a first light source unit to emit, during a recording operation, a signal beam having a first polarization and a reference beam having a second polarization perpendicular to the first polarization along the same optical path; and a main lens unit having a refractivity that varies according to a polarization of a passing light, so as to cause the signal beam to be reflected from the reflection layer then focused on a focal point, and to cause the reference beam to pass through the cover layer then be directly focused on the focal point | 2009-03-19 |
20090073853 | OPTICAL PICKUP AND DISC DRIVE APPARATUS - An optical pickup includes a movable base and an objective lens driving mechanism mounted on the movable base. The objective lens driving mechanism includes a fixed block affixed to the movable base; a movable block having an objective lens and a lens holder holding the objective lens, the movable block moving in focusing, tracking, and tilting directions; supporting springs connecting the fixed block and the movable block; a focusing magnetic circuit including a focusing coil and a focusing magnet; a tracking magnetic circuit including a tracking coil and a tracking magnet; and a tilting magnetic circuit including a tilting coil and a tilting magnet. The lens holder includes a body holding the objective lens, and a thin segment projecting from the body and serving as a dynamic damper that absorbs vibration occurring in the movable block. The tilting coil or the tilting magnet is attached to the thin segment. | 2009-03-19 |
20090073854 | OPTICAL PICKUP AND DISK DRIVE APPARATUS - An optical pickup has an objective lens drive device which includes a fixed block fixed to a movement base, a movable block having an objective lens and a lens holder that holds the objective lens, a plurality of support springs that couples the fixed block with the movable block, and a focusing magnetic coil that operates the movable block in a focusing direction. A distance between the fixed block and a recording surface of a disk recording medium is larger than a distance between the movable block and the recording surface. The support springs are inclined with respect to the recording surface. The support springs have a longitudinal direction orthogonal to a direction of a thrust generated at the focusing magnetic circuit to the movable block during a focusing operation. | 2009-03-19 |
20090073855 | OPTICAL PICKUP AND OPTICAL DISK DRIVE APPARATUS - An optical pickup includes an objective lens, a protection member for protecting the objective lens, and a lens holding member configured to hold these members. The optical pickup records and/or reproduces an information signal on and/or from an optical recording medium by condensing laser light through the objective lens. The protection member includes a bearing surface to contact a surface of an edge portion of the objective lens not facing the optical recording medium, an aperture to control a diameter of laser light to be incident on the objective lens, and a protection portion protruding toward the optical recording medium with respect to the objective lens. The bearing surface, the aperture, and the protection portion are integrally formed with one another. | 2009-03-19 |
20090073856 | OPTICAL HEAD WITH DIFFUSER STRUCTURE - An optical head for reading an object includes a hollow housing, a light source module, a diffuser structure and a light sensing module. The light source module is fixed in the hollow housing and provides an initial light ray. The diffuser structure is connected the hollow housing, receives the initial light ray, and processes the initial light ray into a uniform light ray for output. The initial light ray is reflected by the diffuser structure multiple times to form the uniform light ray. The light sensing module is fixed in the hollow housing and senses the uniform light ray reflected by the object. An optical axis of the light sensing module is substantially parallel to an axial direction of the diffuser structure. | 2009-03-19 |
20090073857 | OPTICAL PICKUP APPARATUS - An optical pickup apparatus comprising: a collimating lens configured to convert laser light emitted from a laser diode, from diffused light into parallel light; an objective lens; and a prism configured to guide the laser light emitted from the collimating lens to the objective lens, the prism including: a first face that the laser light emitted from the collimating lens enters; a second face that reflects the laser light entering the first face; and a third face that reflects the laser light reflected from the second face in a direction of the second face, and emits the laser light reflected again from the second face in a direction of the objective lens. | 2009-03-19 |
20090073858 | HAMR Recording Head Having A Sloped Wall Pole - An apparatus includes a waveguide having an end adjacent to an air bearing surface, first and second poles positioned on opposite sides of the waveguide, and wherein the first pole includes a first portion spaced from the waveguide and a second portion extending from the first portion to the air bearing surface, with the second portion being structured such that an end of the second portion is closer to the waveguide than the first portion. | 2009-03-19 |
20090073859 | Magnetic tracks, information storage devices using magnetic domain wall movement, and methods of manufacturing the same - Information storage devices and methods of manufacturing the same are provided. A magnetic track of the information storage device includes a magnetic layer in which at least one magnetic domain forming region and at least one magnetic domain wall forming region are alternately disposed in a lengthwise direction. The at least one magnetic domain forming regions has a different magnetic anisotropic energy relative to the at least one magnetic domain wall forming region. An intermediate layer is formed under the magnetic layer. The intermediate layer includes at least one first material region and at least one second material region. Each of the at least one first material regions and the at least one second material regions corresponds to one of the at least one magnetic domain forming regions and the at least one magnetic domain wall forming regions. | 2009-03-19 |
20090073860 | LENS CLEANER DISC - A cleaning disc for a media reading device having a laser lens. The cleaning disc includes a first surface configured to face the laser lens, a brush extending outwardly from the first surface, and a recess in the first surface configured to receive at least a portion of the brush when the brush contacts the laser lens during a cleaning operation. Each brush is defined by a strand of material that includes opposite ends. A first end of the material extends through a first aperture to define a first brush and a second end extends through a second, spaced apart aperture to define a second brush. A middle portion of the strand of material extends along a second surface of the cleaning disc between the first and second apertures, and is covered by a cover. | 2009-03-19 |
20090073861 | DISK-LIKE RECORDING MEDIUM, DISK RECORDING APPARATUS AND DISK RECORDING METHOD, AND DISK PLAYBACK APPARATUS AND DISK PLAYBACK METHOD - Disclosed is a disk-like recording medium, a disk recording apparatus and a disk recording method, and a disk playback apparatus and a disk playback method. Disk ID is recorded over a circle of a burst cutting area on an optical disk. The circle is divided into n blocks, each of the blocks is divided into m frames, and ID information is recorded in each of the frames with k channel bits. | 2009-03-19 |
20090073862 | OPTICAL RECORDING DISC - It is an object of the present invention to provide an optical recording disc which can record data constituted by a recording mark train including recording marks and blank regions neighboring recording marks therein and reproduce the data therefrom in a desired manner even in the case where the lengths of a recording mark and a blank region between neighboring recording marks are shorter than the resolution limit and whose storage capacity can be markedly increased. | 2009-03-19 |
20090073863 | INFORMATION RECORDING MEDIUM HAVING A WOBBLING GROOVE STRUCTURE - An information recording medium having at least a read only area and a recording and reproducing area is composed of at least: a substrate; a recording layer formed on the substrate so as to record and reproduce information; and a light transmission layer having transparency formed on the recording layer. The information recording medium is further characterized in that a wobbling groove corresponding to the read only area and another wobbling groove corresponding to the recording and reproducing area is formed on the substrate without overlapping with each other, the recording and light transmitting layers are continuously adhered over at least two areas of the read only area and the recording and reproducing area, reflectivity of the recording layer is more than 5%, and a push-pull signal output T | 2009-03-19 |
20090073864 | INFORMATION RECORDING MEDIUM HAVING A WOBBLING GROOVE STRUCTURE - An information recording medium having at least a read only area and a recording and reproducing area is composed of at least: a substrate; a recording layer formed on the substrate so as to record and reproduce information; and a light transmission layer having transparency formed on the recording layer. The information recording medium is further characterized in that a wobbling groove corresponding to the read only area and another wobbling groove corresponding to the recording and reproducing area is formed on the substrate without overlapping with each other, the recording and light transmitting layers are continuously adhered over at least two areas of the read only area and the recording and reproducing area, reflectivity of the recording layer is more than 5%, and a push-pull signal output T | 2009-03-19 |
20090073865 | INFORMATION RECORDING MEDIUM HAVING A WOBBLING GROOVE STRUCTURE - An information recording medium having at least a read only area and a recording and reproducing area is composed of at least: a substrate; a recording layer formed on the substrate so as to record and reproduce information; and a light transmission layer having transparency formed on the recording layer. The information recording medium is further characterized in that a wobbling groove corresponding to the read only area and another wobbling groove corresponding to the recording and reproducing area is formed on the substrate without overlapping with each other, the recording and light transmitting layers are continuously adhered over at least two areas of the read only area and the recording and reproducing area, reflectivity of the recording layer is more than 5%, and a push-pull signal output T | 2009-03-19 |
20090073866 | Optical Information Recording Medium and Method for Manufacturing Same - The present invention provides an optical information recording medium having a substrate, a recording layer, and a reflective layer, and including a region corresponding to a burst cutting area: wherein the region has a plurality of bar recorded portions and a plurality of non bar recorded portions; and the ratio (A/B) of transmittance (A) with which the bar recorded portions transmit laser light for use in information reproduction to transmittance (B) with which the non bar recorded portions transmit the laser light is 1.5 or greater. | 2009-03-19 |
20090073867 | Determining of coupling coefficients in a vector transmission system - Embodiments related to determining of coupling coefficients in a Vector transmission system are described and depicted. | 2009-03-19 |
20090073868 | Device and associated method for measuring crosstalk - The present invention relates to a crosstalk estimation device for estimating crosstalk between disturber communication lines and victim communication lines. The crosstalk estimation device is able to change the power spectral density PSD on the victim communication lines and/or the disturber communication lines. The crosstalk estimation device further receives measured changes in operational parameters on the victim communication lines and/or disturber communication lines in order to estimate the crosstalk induced in the victim communication lines and/or disturber communication lines. | 2009-03-19 |
20090073869 | Novel receiver architecture for pilot based OFDM systems - The invention relates to a novel methodology and apparatus for clock-offset compensation and common-phase offset correction in Frequency Division Multiplixing based wireless local area network (WLAN) environment, such as an Orthogonal Frequency Division Multiplexing (OFDM) environment. A curve fit, such as a threshold-based, least mean squares (LMS) fit of phase of the pilot sub-carriers in each OFDM symbol is used to estimate and counteract the rotation of the data sub-carriers due to residual frequency offset, low frequency phase noise, and clock offset. The invention is particularly well suited to wireless channels with multipath where pilots typically undergo frequency-selective fading. The thresholding LMS is implemented in a hardware-efficient manner, offering cost advantages over a weighted-LMS alternative. Additionally, the invention uses a unique phase-feedback architecture to eliminate the effects of phase wrapping, and avoid the need to refine channel estimates during packet reception. | 2009-03-19 |
20090073870 | AUTOMATIC RE-CONNECTION OF A PREVIOUSLY LOST CONNECTION IN A FREQUENCY HOPPING COMMUNICATION SYSTEM - This disclosure relates to frequency hopping (FH) communication systems, such as Bluetooth. In particular, it relates to a substantially automatic recovery procedure for re-establishing a previously lost link or connection between a master unit and a slave unit in a frequency hopping communications system. Some embodiments of the disclosed invention relates to methods for recovery of a previously lost link or connection between two Bluetooth units in a Bluetooth Sniff mode. | 2009-03-19 |
20090073871 | COMMUNICATION APPARATUS AND NETWORK SEARCH METHOD THEREOF - A network search method for a communication apparatus connected to a network is disclosed. The method comprises the following steps. The communication apparatus enters a sleep mode when the communication apparatus loses signals from the network. Then, power status of the communication apparatus is detected. A trigger signal is automatically sent when a change in power status of the communication apparatus is found. Next, a radio frequency module is enabled to search for the signals from the network according to the trigger signal so as to re-connect to the network. | 2009-03-19 |
20090073872 | METHOD OF OPERATING A MOBILE RADIO NETWORK - A method of operating a mobile radio network for adjusting the counter states of the packet data units to be transmitted in the convergence protocol layer protocol units of network entities of the mobile radio network. User data is transmitted from a first network entity of the mobile radio network, in particular a mobile station, to a second network entity of the mobile radio network, in particular a higher-level network unit, the user data is combined prior to transmission into at least one packet data unit in a first convergence protocol layer protocol unit of the first network entity; and the at least one packet data unit is transmitted from a first radio link control layer protocol unit of the first network entity to a second radio link control layer protocol unit of the second network entity. If the transmission of the at least one packet data unit fails, the first radio link control layer protocol unit transmits an error message to the first convergence protocol layer protocol unit after receiving a confirmation message confirming the failure from the second radio link control layer protocol unit. | 2009-03-19 |
20090073873 | Multiple path switch and switching algorithms - A data switch ( | 2009-03-19 |
20090073874 | RING-SHAPED REDUNDANT COMMUNICATION PATH CONTROL METHOD - In a ring redundant communication path control method, each of transfer apparatuses periodically transmits an inspection frame for inspecting a communication path, detects a failure of the communication path when the inspection frame is not received for a fixed time, transmits a non-arrival notification frame for notifying that the inspection frame has not arrived yet, and detects a failure of the communication path when the non-arrival notification frame is received. Each of the transfer apparatuses closes, when a failure is detection, a port in which the failure is detected, transmits an open command frame for commanding to open a normally closed port from the other port other than the closed port, transfers an open command frame when the open command frame is received, and opens the normally closed port when the other port other than the closed port in which the failure is detected, the port in which the open command frame is detected, or the other port configuring a ring redundant communication path same as that of the port is the normally closed port. | 2009-03-19 |
20090073875 | Method, apparatus and program storage device for providing mutual failover and load-balancing between interfaces in a network - A method, apparatus and program storage device for providing mutual failover and load-balancing between interfaces in a network is disclosed. An active virtual interface and a passive virtual interface are provided for each of a first and a second computer interface. The active virtual interface of the first computer interface is communicatively coupled with the passive virtual interface of the second interface. The active virtual interface of the second computer interface is communicatively coupled with the passive virtual interface of the first computer interface. Data flow is directed over each of the first computer interface-active virtual interface and second computer interface active virtual interface when the first and second computer interface is available, else data flow is directed to the active virtual interface and passive virtual interface of an available first or second interface. | 2009-03-19 |
20090073876 | ADAPTIVE CODING AND MODULATION AWARE NETWORK LOAD BALANCING - Methods, systems, and devices are described for determining a preferred routing path for communicating source data from a data source to a data terminal over a network having multiple routing path options. Embodiments include receiving a source dataset at a network node; determining multiple routing path options for routing the source dataset, each comprising a set of communication links that communicatively couple the data source with the data terminal; determining a hierarchical encoding scheme for encoding the source dataset to generate a transmission; generating routing path profiles for each routing path option by evaluating each routing path option against a routing metric; determining a preferred routing path for routing the transmission by comparing the routing path profiles; and routing the transmission over the preferred routing path according to the hierarchical encoding scheme. | 2009-03-19 |
20090073877 | PACKET PROCESSING APPARATUS, COMMUNICATION SYSTEM, PACKET PROCESSING METHOD AND PROGRAM THAT EXECUTES THIS METHOD - For a system that comprises an information processing apparatus that repetitively transmits a packet and a server apparatus that receives the packet, a packet processing apparatus that can reduce a packet processing load imposed on the server apparatus, a communication system and a packet processing method are disclosed. This packet processing apparatus includes: a packet determination unit for determining whether a packet received by a receiver is a repetitive packet that has been repetitively transmitted by an information processing apparatus to a server apparatus; a transmission determination unit for determining whether the packet that is determined to be a repetitive packet should be transmitted; and a transmitter for transmitting a packet that is determined not to be a repetitive packet and a packet that is determined to be transmitted, and for not transmitting a packet that is determined, by the transmission determination unit, is not to be transmitted. | 2009-03-19 |
20090073878 | Usage based queuing with accounting for wireless access points - One embodiment of a queuing mechanism using an Accounting component | 2009-03-19 |
20090073879 | METHOD OF MANAGING AN INTERFACE COMPRISING MEANS FOR CONTROLLING REMOTE TERMINALS - A method is provided for transmission within a telecommunication system, which includes a plurality of terminals that can exchange data flows therebetween. The method includes at least: a step of comparing a maximum throughput value offered by an interface with a cumulative value of the throughputs of flows that are intended to pass through the interface; and a step of adjusting the throughput of a particular flow following transmission of an adjustment value to a flow-emitting entity, which is executed when the maximum value is less than the cumulative value. The method enables a given terminal to adjust the throughput of a flow even when the flow is generated by a remote terminal. | 2009-03-19 |
20090073880 | SYSTEM AND METHOD FOR CONTROLLING CONGESTION IN A DEDICATED SHORT RANGE COMMUNICATION SYSTEM - A system and method is disclosed for controlling congestion in communications between an RSE and multiple OBEs in a DSRC system. In certain embodiments, a system and method for controlling congestion in communications between an RSE and multiple OBEs includes determining a priority level for each of multiple OBEs with respect to reserving a channel between each OBE and an RSE. Based on this determination, each OBE is assigned a waiting period based on their respective priority levels. The OBEs then send requests to reserve a channel to the RSE after waiting the assigned waiting periods. | 2009-03-19 |
20090073881 | MULTI-QUEUE FLOW CONTROL METHOD, SYSTEM AND APPARATUS - A multi-queue flow control method, a multi-queue flow control system, and a multi-queue flow control apparatus, applicable to a full-duplex Ethernet, are suitable for customizing a flow control frame reflecting buffer statuses of a plurality of queues. A receiving device informs a current buffer status of each queue of itself to a sending device by sending a flow control frame to the sending device, and the sending device stops sending data frames to an overflowing queue according to the flow control frame. Therefore, the multi-queue flow control in the full-duplex Ethernet is realized. | 2009-03-19 |
20090073882 | DIRECTIONAL AND PRIORITY BASED FLOW CONTROL MECHANISM BETWEEN NODES - A node uses a two dimensional array of transmit queues to store frames to be transmitted from the node to another node. The size of the array is governed by the number of directions to which the other node may forward frames once received from the node, and the number of priorities that may be associated with the frames. The transmit queues are distinguished from each other based on direction and priority. A transmitter transmits frames dequeued from the transmit queues to the other node. Control logic that controls the transmit queues receives an indication from the other node whether the other node is experiencing traffic congestion in any of the directions and the priority of frames at or below which the control logic is to control the dequeuing of frames from transmit queues corresponding to the directions in which the other node is experiencing traffic congestion. | 2009-03-19 |
20090073883 | Methods And Apparatus For Controlling Wireless Network Operations Associated With Flow Control Process - Methods and apparatus for controlling wireless network operations associated with a flow control process which terminates data communications to a mobile station based on an out-of-coverage condition between the mobile station and a wireless communication network. In the wireless communication network, an indication is identified which indicates whether a mobile station utilizes an always-on connection for a data service. Based on the indication indicating that the mobile station utilizes the always-on connection, the flow control process is bypassed. Otherwise, the flow control process is performed. The always-on connection may be utilized for an e-mail application for the mobile station and involve a Point-to-Point Protocol (PPP) session. | 2009-03-19 |
20090073884 | NETWORK RECEIVE INTERFACE FOR HIGH BANDWIDTH HARDWARE-ACCELERATED PACKET PROCESSING - Disclosed is a system and methods for accelerating network packet processing for devices configured to process network traffic at relatively high data rates. The system incorporates a hardware-accelerated packet processing module that handles in-sequence network packets and a software-based processing module that handles out-of-sequence and exception case network packets. | 2009-03-19 |
20090073885 | METHOD, SYSTEM AND APPARATUS FOR TRACKING USER BEHAVIOR IN A WIRELESS COMMUNICATION NETWORK - A method, system, and apparatus for tracking user behavior in a wireless communication network are provided. The method includes monitoring one or more data packets communicated between one or more devices and one or more data servers at an anchor datapath gateway in the wireless communication network. The method further includes creating one or more profiles for one or more users in response to monitoring the one or more data packets. The one or more devices are used by the one or more users. | 2009-03-19 |
20090073886 | Methods and Computer-Readable Media for Testing a Network Connection at a Computing Device - A computer-readable medium is provided, comprising a set of instructions for execution by a processor of a computing device at a subscriber premises. The processor is operable to execute a software application that enables the computing device to participate in a media connection over a data network. Execution of the set of instructions by the processor causes the computing device to execute a method that includes performing a connectivity test over a test connection established through a gateway at the subscriber premises and over the data network; and prior to performing a connectivity test, provisioning the gateway to enable establishment of said test connection. | 2009-03-19 |
20090073887 | SYSTEM FOR TESTING ETHERNET PATHS AND LINKS WITHOUT IMPACTING NON-TEST TRAFFIC - A system for testing Ethernet paths or links without adversely impacting non-test traffic. The system includes a test traffic generator that includes a scheduler that determines when a new test packet is generated. The test traffic generator includes a packet creator that builds a test packet and a transmitter for transmitting the test packet via the Ethernet path or link. The packet creator sends the test packet to the transmitter. The traffic generator includes a transmit credit block coupled to the transmitter or to the scheduler. The transmit credit block stores an amount of credits representing a number of bytes that are available to transmit and decrements the amount each time a non-test packet is communicated via the Ethernet path or link. | 2009-03-19 |
20090073888 | DETERMINING QUALITY OF COMMUNICATION - A method, computer-readable medium, and system for providing a quality measurement based on communications within a communication application. Communication attributes that include information associated with a user's communications are obtained. In embodiments, such communication attributes may pertain to communication duration and communication frequency. Upon obtaining communication attributes, a quality measurement may be determined based on the communication attributes. Such a quality measurement provides an indication of the quality of the user's communications. In embodiments, the quality measurement may be stored, communicated to a user, or implemented within a communication application. | 2009-03-19 |
20090073889 | PHY BANDWIDTH ESTIMATION FROM BACKPRESSURE PATTERNS - The present invention provides a system and method of determining available bandwidth at a physical layer (PHY) device at a server on a broadband network. A link layer controller of a master administrator adaptively polls a PHY device over a set of time intervals. During polling, the controller places a PHY device's address on a line of a bus and awaits a response from the PHY device. Based upon the response from the PHY device, the administrator can determine whether the PHY device has available bandwidth. The link layer controller uses this information to recalculate its polling scheme to better make use of the available bandwidth over the shared transmission medium to which each PHY device in the network is attached. | 2009-03-19 |
20090073890 | Method And System For Uplink Establishment In A Wireless Cellular Communication - The present invention relates to wireless communications. More especially it relates to wireless packet data communications. Particularly it relates to latency reduction by distinguishing connection initiation of circuit switched and packet switched connections, respectively. | 2009-03-19 |
20090073891 | METHODS AND APPARATUS FOR SPACE EFFICIENT ADAPTIVE DETECTION OF MULTIDIMENSIONAL HIERARCHICAL HEAVY HITTERS - The present invention develops an efficient streaming method for detecting multidimensional hierarchical heavy hitters from massive data streams and enables near real time detection of anomaly behavior in networks. | 2009-03-19 |
20090073892 | MEASUREMENTS IN COMMUNICATIONS SYSTEMS - A communication system comprising a network element, a mobile station, and a plurality of radio access means. The plurality of radio access means is configured to provide communication services to the mobile station. A radio access means of the plurality of radio access means includes a plurality of cells. The plurality of radio access means use different communication methods. The network element is configured to order the radio access means based on provided information. The provided information is associated with the plurality of radio access means and is based on a plurality of parameters associated with each of the plurality of radio access means. The network element is further configured to select a target radio access means of the plurality of radio access means based on the ordering and to send a request to the mobile station to perform compressed mode measurements based on the selected target radio access means for selecting a cell associated with the selected target radio access means | 2009-03-19 |
20090073893 | Routing Method in an Ad Hoc Network - A routing method in an ad hoc network between a source node (S) and a destination node (M). In order to guarantee a required quality of service level between the source node and the destination node, the method comprises the steps of, in a preliminary step, evaluating at each node of the network a quality of service level for each connection between said node and the neighbor nodes, and establishing a cost function (F | 2009-03-19 |
20090073894 | System and Method for Multicast Transmission - A system and method for multicast transmission are disclosed. In one embodiment, a virtual exchange network including interconnected nodes is embedded within a network. A sender is disposed in communication with a root node and receivers are disposed in communication with a set of edge nodes. The sender publishes a packetized data stream to which the receivers subscribe. The packetized data stream is promulgated by implicit signaling through optimum virtual exchange network connections from the sender through the virtual exchange network to the receivers. The interconnected nodes, responsive to receiving the published packetized data stream, are adapted to multicast N instances of the published packetized data stream to N recipients selected from the group consisting of receivers and other of the interconnected nodes. | 2009-03-19 |
20090073895 | Method and apparatus for dynamic switching and real time security control on virtualized systems - In some embodiments, the invention involves securing network traffic to and from a host processor. A system and method is disclosed which utilizes a second processor on a virtualization technology platform to send/receive and triage messages. The second processor is to forward suspect messages to a virtual appliance for further investigation before routing the suspect messages to one of a plurality of virtual machines running on the host processor. When messages are not suspect, use of the virtual appliance is avoided and messages are routed to one of a plurality of virtual machines via a virtual machine manager running on the host processor. Other embodiments are described and claimed. | 2009-03-19 |
20090073896 | ARRANGEMENTS FOR AUTO-MERGING AND AUTO-PARTITIONING PROCESSING COMPONENTS - In some embodiments, a method for auto-partitioning a scalable processing system is disclosed. The method can include establishing connection data, identifying a primary node and automatically transmitting partitioning commands to other nodes to configure them as secondary nodes. The partitioning commands can adjust the basic input output settings of the secondary nodes such that the system can boot as a single partitioned system. Other embodiments are also disclosed. | 2009-03-19 |
20090073897 | DETECTION OF DUPLICATE PACKETS - A packet is received from a network. The packet includes a field. The content of the field is compared to each element of a list. If the content of the field fails to match any element in the list, the packet is accepted and the content of the field is added to the list as an additional element of the list. | 2009-03-19 |
20090073898 | METHOD AND APPARATUS FOR CODE DIVISION DUPLEXING - A method and apparatus for providing a bi-directional communication in a mobile communication system by a Code Division Duplexing. In the Code Division Duplexing, the data to be transmitted is incorporated with unique codes having an orthogonal property to designate a forward and reverse direction communication, thereby allowing a bi-directional communication. Because the data can be efficiently transmitted through one channel, the Code Division Duplexing can provide a bi-directional communication for low tier bandwidth channels such as private and ISM communication systems. | 2009-03-19 |
20090073899 | Common Mixer Methods and Circuits in Mobile Communication Devices - GPS functionality is added to a wireless communication device in an efficient and cost effective manner. Disclosed is a wireless communications device that has a common mixer constructed to be used for a GPS signal and another signal, a common IF filter constructed to be used for a GPS signal and another signal, in addition to other cost effective embodiments. | 2009-03-19 |
20090073900 | Bi-directional packet data transmission system and method - A bi-directional packet data transmission system for a packet data transmission between a terminal and a radio access network includes an uplink resource and a downlink resource which are independently set. Memory resources can be effectively managed even in a packet data transmission service with the asymmetrical structure such that the packet amount for the downlink is much greater than the packet amount for the uplink, or the packet amount for the uplink is much greater than the packet amount for the downlink. | 2009-03-19 |
20090073901 | Bi-directional packet data transmission system and method - A bi-directional packet data transmission system for a packet data transmission between a terminal and a radio access network includes an uplink resource and a downlink resource which are independently set. Memory resources can be effectively managed even in a packet data transmission service with the asymmetrical structure such that the packet amount for the downlink is much greater than the packet amount for the uplink, or the packet amount for the uplink is much greater than the packet amount for the downlink. | 2009-03-19 |
20090073902 | Subframes in a cellular communications system - The invention discloses a method for a cellular communications system, in which traffic is sent in frames, each frame comprising a first number of subframes, with a second number of said subframes being available for at least either uplink or downlink traffic. At least one of said second number of subframes is made to comprise at least three parts, as follows:
| 2009-03-19 |
20090073903 | Echo cancellation - Embodiments related to echo compensation have been described and depicted. | 2009-03-19 |
20090073904 | Power for uplink acknowledgment transmission - The specification and drawings present a new method, system, apparatus and software product for defining/setting a power of a dual acknowledgement signal provided in an uplink by a user equipment to a network element (e.g., Node B) for acknowledging two transport blocks, e.g., comprised in one TTI, transmitted in a downlink by the network element, according to a predetermined criterion, wherein the user equipment and the network element can be configured to support a multiple input multiple output (MIMO) mode and/or a high speed downlink packet access. | 2009-03-19 |
20090073905 | HIGH LEVEL INSTRUCTION CONVERGENCE FUNCTION - A convergence engine may provide a high level message for a high level engine representative of multiple messages received by a network interface or other physical layer transmission device. The high level engine may access one or more high level messages via functions describing the state of a non-network-portal station. | 2009-03-19 |
20090073906 | Bi-directional packet data transmission system and method - A bidirectional packet data transmission system for a packet data transmission between a terminal and a radio access network includes an uplink resource and a downlink resource which are independently set. Memory resources can be effectively managed even in a packet data transmission service with the asymmetrical structure such that the packet amount for the downlink is much greater than the packet amount for the uplink, or the packet amount for the uplink is much greater than the packet amount for the downlink. | 2009-03-19 |
20090073907 | System and Method for Discontinuous Reception Control Start Time - Methods of combining semi-persistent resource allocation and dynamic resource allocation are provided. Packets, such as VoIP packets, are transmitted on the uplink and downlink using respective semi-persistent resources. For each mobile device, awake periods and sleep periods are defined. The semi-persistent resources are aligned with the awake periods so that most of the time the mobile device can turn off its wireless access radio during the sleep periods. In addition, signalling to request, and to allocate, resources for additional packets are transmitted during the awake periods, and the resources allocated for the additional packets are within the awake periods. Methods of extending the awake periods in various embodiments are also provided. Methods of determining the first on period are also provided. | 2009-03-19 |
20090073908 | Indication of Multicast Control Information - A method for indicating a structure of control information for a multimedia broadcast multicast service (MBMS) is provided. The method comprises separating a multicast control channel (MCCH) of an MBMS transmission into a first portion and a second portion and arranging the separated MCCH into either a first structure wherein the first portion includes at least one pointer to a location of the second structure, or a second structure wherein the first portion directly includes the second portion. The method further includes including in a downlink transmission an indicator to indicate which of the first structure and the second structure is used. | 2009-03-19 |
20090073909 | Multimedia Broadcast Multicast Service Channel Mapping and Multiplexing - A system is provided for mapping multimedia broadcast multicast services. The system includes one or more processors programmed to map a plurality of multicast transport channels (MCHs) to a plurality of multicast/broadcast single frequency networks (MBSFNs) such that any one of the MBSFNs has only one MCH and further where each one of the MCHs is different. | 2009-03-19 |