Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8400891 | Delay line on a movable substrate accessing data storage media An apparatus includes a read/write head disposed on a slider, a control circuit disposed on the slider, and an adjustable delay line disposed on the slider. The adjustable delay line delays transmission of aligned write data to the read/write head by an adjustable d... | 03/19/2013 |
| 8379498 | Systems and methods for track to track phase alignment Various embodiments of the present invention provide systems and methods for data processing. As an example, a data processing circuit is discussed that includes: a data buffer, an inter-track interference response circuit, an inter-track interference signal estimat... | 02/19/2013 |
| 8379497 | Optical disk apparatus Analog components whose characteristics greatly differ from one another are removed as much as possible from an optical disc drive. Provided are means 38, 39 for changing the sampling frequency of a pulsed read signal to a different frequency, means 40, 41... | 02/19/2013 |
| 8315136 | Method and apparatus for detecting wobble defects in optical recording system Aspects of the disclosure provide an apparatus. The apparatus includes a pick-up unit, such as an optical pick-up unit, a wobble channel and a defect detector. The pick-up unit generates a push-pull signal corresponding to a wobbled track of a storage medium. The wo... | 11/20/2012 |
| RE43788 | Re-writable optical disk having reference clock information permanently formed on the disk An optical disk structure and optical disk recorder which enables data to be re-written onto the recording layer of the optical disk. A clock reference structure is permanently formed along servo tracks of the optical disk. An optical transducer is coupled to the cl... | 11/06/2012 |
| 8184511 | Method and apparatus for increasing the storage capacity of an optical storage medium A system including a demodulator module, a timing module, and a writing module. The demodulator module demodulates a wobble signal having a first period using timing signals having a second period and generates a phase error signal based on the wobble signal. The wo... | 05/22/2012 |
| 8164994 | Apparatus for generating tracking signal A tracking signal generating apparatus includes a phase detector and a digital phase controller. The phase detector generates an up signal and a down signal which contain information regarding a phase difference between a plurality of square wave signals that have b... | 04/24/2012 |
| 8085633 | Optical disc drive When a multilayered optical disc is used, the signal-to-noise ratio of a read signal is decreased as effective reflectance is extremely low due to the influence of reflection and absorption by front recording layers. Further, when a high-frequency modulation technol... | 12/27/2011 |
| 8072854 | Method and apparatus for detecting wobble defects in optical recording system Aspects of the disclosure provide an apparatus. The apparatus includes a pick-up unit, such as an optical pick-up unit, a wobble channel and a defect detector. The pick-up unit generates a push-pull signal corresponding to a wobbled track of a storage medium. The wo... | 12/06/2011 |
| 8068392 | Recording method, recording apparatus, and recording medium A recording method is provided, which comprises the steps of (a) generating a plurality of pulse sequences corresponding to a plurality of linear velocities, (b) while rotating a recording medium with a linear velocity selected from the plurality of linear velocitie... | 11/29/2011 |
| 8050157 | Timing recovery for optical disc drive high frequency modulation A method and apparatus for recovering clock timing from a bi-phase modulated portion of a high frequency modulation (HFM) signal. The HFM signal includes signal transitions between a high level and a low level. A clock count is initiated upon detection of a first si... | 11/01/2011 |
| 8045431 | Signal conversion module and optical disc apparatus using the same In the multi-tone demodulation (MTD) technique, even if an input bandwidth is widened to obtain a larger SNR gain, an increase in the signal to noise ration (SNR) gain cannot always be obtained due to clock jitter that increases clock noise. Also, noise is sometimes... | 10/25/2011 |
| 8023371 | Optical drive and method for determining a reading and/or writing position The invention relates to an optical drive (10) and a method for determining a reading and/or writing position of an optical drive (10). The optical drive (10) in accordance with the invention comprises control means (12) and at least thre... | 09/20/2011 |
| 8023372 | Address detection circuit and address detection method An address detection circuit includes a correction signal generator that generates a plurality of timing correction signals based on an ADIP (Address In Pre-groove) signal that is read out from a wobble of an optical disk, the timing correction signals having differ... | 09/20/2011 |
| 8000193 | Timing recovery for optical disc drive high frequency modulation A method and apparatus for recovering clock timing from a hi-phase modulated portion of an HFM signal. The signal includes transitions between high and low levels. A clock count is initiated upon detection of a first transition, which corresponds to an expected cloc... | 08/16/2011 |
| 7974162 | Digital data modulator-demodulator A digital data demodulator which can reduce a loss of decodable digital data, and increase capability of reproducing digital data inputted through a transmission line even when an error occurs in the transmission line. In the digital data demodulator, a specific pat... | 07/05/2011 |
| 7969838 | Optical disk apparatus An optical disk apparatus is provided which can: prevent an SNR deterioration attributable to an increase in read speed; overcome difficulty in separating a read signal and HF signal components; reduce laser noise; and maintain high reliability even during a high-sp... | 06/28/2011 |
| 7965597 | Method and apparatus for recording Aspects of the disclosure provide a method for recording. The method includes receiving a tracking signal corresponding to a recording track on a storage medium, phase-locking an internal signal to the tracking signal by reducing a phase error generated based on the... | 06/21/2011 |
| 7940615 | Single PLL demodulation of pre-formatted information embedded in optical recording medium A method and apparatus demodulate pre-formatted information embedded in an optical recording medium. The demodulation includes (a) receiving a wobble signal representing data symbols frequency-modulated on a carrier frequency, (b) generating a phase delta signal rep... | 05/10/2011 |
| 7894314 | Recording system and program for recording data A recording system records data by retrieving it from a portable medium such as CD-ROM or the like. The recording system determines a data retrieval speed for a specific data track on the portable medium by calculating a retrieval time of the specific data track at ... | 02/22/2011 |
| 7889607 | Optical disk device and integrated circuit used therein This invention involves irradiating an optical disk with laser light, pulse-driven by a high-frequency signal from an HF oscillator, and converting the output of a photo-detector that receives laser light reflected from the optical disk into an electronic pulse read... | 02/15/2011 |
| 7885154 | Apparatus for controlling discrete data in disk overwrite area or power calibration area An apparatus for controlling discrete data in a disk overwrite area or a power calibration area comprises a signal-processing unit, an address-processing unit, a control signal-processing unit, a clock recovery circuit, a signal-processing unit parameter control uni... | 02/08/2011 |
| 7876653 | Recording and reproducing apparatus and receiving apparatus Where a clock frequency based on which encoding is performed has deviated over time, problems such as that an appropriate digital signal can not be outputted occur. To solve the problems, it is arranged such that when a decoder decodes video data and audio data, a c... | 01/25/2011 |
| 7859961 | Optical disk recording method and optical disk recording apparatus An optical disk recording method for recording predetermined data on an optical disk on the basis of a first reference clock signal used for recording, the optical disk including a groove track having a wobble signal recorded thereon and a land track having a land p... | 12/28/2010 |
| 7843782 | Method and apparatus to increase storage capacity of an optical storage medium A system for increasing storage capacity of an optical medium includes a demodulator module and a writing module. The demodulator module demodulates a wobble signal having a wobble period of N channel bits, has a demodulating period of M channel bits, and generates ... | 11/30/2010 |
| 7826318 | Method and system for allowing a media player to transfer digital audio to an accessory Digital audio can be transferred between a portable media player and an accessory. In one embodiment, an interface protocol is used to determine the sample rate capabilities of an accessory, allowing digital audio data for a track to be transmitted to the accessory ... | 11/02/2010 |
| RE41881 | Re-writable optical disk having reference clock information permanently formed on the disk An optical disk structure and optical disk recorder which enables data to be rewritten onto the recording layer of the optical disk. A clock reference structure is permanently formed along servo tracks of the optical disk. An optical transducer is coupled to the clo... | 10/26/2010 |
| 7817512 | Method and apparatus to correct wobble phase slip in optical recorders The present disclosure can provide a method and an apparatus to correct wobble phase slip in an optical disc recording system during recording. The method of correcting a phase slip can include receiving a wobble signal of a first frequency, sampling the wobble sign... | 10/19/2010 |
| 7817511 | Phase difference detection circuit, phase difference detecting method, optical disk drive, and optical disk drive controlling method An embodiment of the present invention provides a phase difference detection circuit for detecting a phase difference between input data and an input clock generated based on the input data, including: an input data edge position detecting part detecting an edge pos... | 10/19/2010 |
| 7808864 | Information reproducing method and apparatus An information reproducing method includes the steps o of reading information from an information medium that is rotated, and determining a rotation velocity of the information medium on the basis of a data transfer rate based on a specification of a read request. | 10/05/2010 |
| 7660216 | Disk reproducing apparatus and method To provide a disk reproducing apparatus capable of reading data at a lower error rate without requiring a complicated circuit configuration. An embodiment of the present invention provides a disk reproducing apparatus for reproducing a data signal based on a signal ... | 02/09/2010 |
| 7660215 | Method and apparatus for writing data to optical disc A method and apparatus for writing data to a rewritable ultra-speed disc using an optimum pulse at a write speed of the disc, based on Absolute Time in Pre-groove (ATIP) information. The method includes: reading a disc code from the disc; determining a write speed o... | 02/09/2010 |
| 7613088 | Method and system for time based file storage A method and system for interleaving storage of data streams on a rotating storage medium of a data storage device comprise dividing the storage medium into a plurality of logical zones. Each logical zone of the plurality of logical zones extends radially from an in... | 11/03/2009 |
| 7596064 | Method of recording data on a multi-layer recording medium, recording medium, and apparatus thereof A method for recording data on a recording medium having one or more recording layers. The method includes reading control information including a plurality of control information units for controlling recording/reproducing of data from the recording medium. The con... | 09/29/2009 |
| 7586820 | Method of detecting sync signals A pattern of an input sync signal is compared with sub patterns in a first sync pattern. The sub patterns in the first sync pattern are equal to the patterns of true sync signals, respectively. When the pattern of the input sync signal agrees with none of the sub pa... | 09/08/2009 |
| 7570556 | Method and apparatus for recording information A method and apparatus for recording information with improved capabilities of suitably updating numerous setting items addressing the change in recording velocity of an optical disc caused during information recording. The method for recording on the surface of the... | 08/04/2009 |
| 7564750 | Reproducing apparatus A reproducing apparatus includes a reading unit configured to generate a reproduced signal containing information data recorded in a track using a reflected light of an optical beam, a clock generation unit configured to generate a clock having a frequency associate... | 07/21/2009 |
| 7554889 | Data sampling and extraction method and system A sampling rate for extracting information encoded on an optical disk is determined. First and second instances of a signal representing data encoded on the disk is detected, from which a disk rotation speed is determined. Based on the disk rotation speed, a samplin... | 06/30/2009 |
| 7545711 | Detecting sync patterns for optical media A sync finder module for an optical medium playback device that generates a bit stream including sync patterns and data blocks comprises a pulse jitter detect module that receives the sync pattern, which includes a plurality of transitions each having a desired posi... | 06/09/2009 |
| 7529164 | Recording and reproducing apparatus and receiving apparatus Where a clock frequency based on which encoding is performed has deviated over time, problems such as that an appropriate digital signal can not be outputted occur. To solve the problems, it is arranged such that when a decoder decodes video data and audio data, a c... | 05/05/2009 |
