Bizarre Patents
Mouse device with a built-in printer
A mouse device for use as an input device of a computer is provided that includes a housing in which recording paper is loadable, and a printer unit provided within the housing for printing on the recording paper print information received from the computer.
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| Number | Title | Issue Date |
| 7907359 | Finite field based short error propagation modulation codes The invention relates to a data modulation method applicable to make data streams tend to have desired properties, useful for clock recovery, making signals more distinguishable, or enforcing run-length conditions. A stream of input data and a corresponding stream o... | 03/15/2011 |
| 7889447 | Readback signal-based head-disc contact detection using AM/FM demodulation A method includes: producing a readback signal using a recording head positioned adjacent to a recording medium, amplitude demodulating the readback signal to produce an amplitude demodulated signal, frequency demodulating the readback signal to produce a frequency ... | 02/15/2011 |
| 7835094 | Embedded track information for patterned media A bit-patterned magnetic media (BPM) includes with respect to each data track regular bit-islands having a first size and large bit-islands having a second size. The placement of the regular bit-islands and large bit-islands within each data track results in a uniqu... | 11/16/2010 |
| 7813065 | Systems and methods for acquiring modified rate burst demodulation in servo systems Various embodiments of the present invention provide systems and methods for performing modified rate burst demodulation. For example, a method for performing modified rate burst demodulation is disclosed. The method includes receiving a data input that includes a s... | 10/12/2010 |
| 7715134 | Demodulation compensation for spiral servo tracks in hard disk drives A servo compensation processor includes an input that receives samples of a waveform generated from a servo track, the servo track including servo data and synchronization symbols. A peak estimator estimates a first location of a peak amplitude of the waveform. A ph... | 05/11/2010 |
| 7561357 | Decoder with energization control circuit A multistage decoder circuit has an error reduction stage that includes an adaptation circuit. The adaptation circuit provides adaptable error reduction as a function of bit error rate. The multistage decoder circuit has an energization control circuit that couples ... | 07/14/2009 |
| 7532421 | Servo demodulating circuit and method Servo demodulation is performed by appropriately compensating for demodulation errors caused by fluctuation of the replayed signal amplitude of a phase servo pattern. A servo demodulating circuit comprises single waveform sampling means for reading into a register a... | 05/12/2009 |
| 7486456 | Finite field based short error propagation modulation codes The invention relates to a data modulation method applicable to make data streams tend to have desired properties, useful for clock recovery, making signals more distinguishable, or enforcing run-length conditions. A stream of input data and a corresponding stream o... | 02/03/2009 |
| 7463437 | Demodulation compensation for spiral servo tracks in hard disk drives A servo compensation processor comprises a peak locator that estimates a location of a peak amplitude of a waveform with respect to a plurality of samples of the waveform. The waveform is generated as a read head moves across servo tracks. A compensator determines a... | 12/09/2008 |
| 7430082 | Circuit and method for demodulating a servo position burst A new technique for Hard Disk Drive (HDD) servo-burst demodulation is provided. A 4-samples per dibit Discrete Fourier Transform (DFT) amplitude estimation is used to calculate the read-head servo-position error signal. Comparatively, the conventional method of burs... | 09/30/2008 |
| 7405894 | Frequency, phase, and gain estimation technique for use in a read channel receiver of a hard disk drive One or more methods and systems are presented for performing gain and timing acquisition of data read from one or more data sectors of a hard disk drive. The gain and timing information may be used to synchronize a read channel receiver of the hard disk drive to the... | 07/29/2008 |
| 7403350 | Multiple servo sensor configuration for magnetic tape timing based servo Multiple servo sensors are laterally displaced over a distance less than the transverse width of timing based servo track laterally extending transitions. The servo sensors are configured to sense the transitions, and servo detection logic detects the relative timin... | 07/22/2008 |
| 7362525 | PRML based magnetic servo position demodulator Apparatuses and methods for detecting reference marks on magnetic data storage mediums are described herein. In one variation, the apparatus comprises a magnetic servo position demodulator operable to extract information from the magnetic data storage medium utilizi... | 04/22/2008 |
| 7352526 | Offset measurement method for magnetic recording head and magnetic recording/reproducing device A storage device has a separate type magnetic head and a discrete type magnetic recording medium on which recording tracks and recording disabled areas are alternately formed. An accurate offset of the magnetic head with respect to the magnetic recording medium is m... | 04/01/2008 |
| 7349167 | Utilizing track identification fields for timing recovery An apparatus comprises a data storage medium having a plurality of servo sectors and a plurality of data sectors, wherein each of the servo sectors includes a phase locked loop field and a track identification field, a controller for controlling the position of a re... | 03/25/2008 |
| 7349494 | Method and apparatus for receiving and deshuffling shuffled data in a high-rate packet data telecommunication system A method and apparatus for deshuffling received shuffled data in a communication system supporting multi-level modulation. A transmitter encodes information bits and shuffles code symbols so that systematic symbols having a relatively high priority are disposed at h... | 03/25/2008 |
| 7342866 | Optical disc and its information recording method and apparatus Recording timing of a Data segment is set so as to avoid locating a wobble modulated portion as preformat information which indicates information on Physical segments of a recording type optical disc, and a recording start head position of the Data segment to be rec... | 03/11/2008 |
| 7342734 | Disk drives with radially aligned servo burst patterns that generate orthogonal contributions to a read signal and related demodulators and methods A disk drive includes a rotatable data storage disk, a transducer, an actuator, and a servo burst demodulator. The rotatable data storage disk includes a plurality of servo burst patterns thereon. The plurality of servo burst patterns are substantially radially alig... | 03/11/2008 |
| 7333289 | Magnetic recording and reproducing apparatus, method of controlling the same, magnetic recording medium, and stamper for manufacturing magnetic recording medium A magnetic recording and reproducing apparatus and a method of controlling the same, capable of increasing the output of a position control signal and performing a precise positioning control of a magnetic head. The magnetic recording and reproducing apparatus has: ... | 02/19/2008 |
| 7324300 | Head position control method, head position control device and disk device A head position control device controls the position of a head with respect to a disk where post code is assigned to a servo frame. Servo frames of a disk is constituted by a servo frame not having a post code recorded in an inner side zone and a servo frame having ... | 01/29/2008 |
| 7319620 | Input and output buffers having symmetrical operating characteristics and immunity from voltage variations A pair of self-biased differential amplifiers having a non-symmetrical topology are combined to provide a self-biased differential amplifier having a symmetrical topology. Each of the combined differential amplifiers includes a pair of transistors coupled to each ot... | 01/15/2008 |
| 7307806 | Demodulation compensation for spiral servo tracks in hard disk drives A servo compensation system, comprises a sampler that generates a plurality of samples of a waveform that is generated as a read head moves across a servo track, which includes servo data and at least one synchronization symbol. A processor determines an estimated l... | 12/11/2007 |
| 7302012 | Apparatus and method for symbol combining in a mobile communication system An apparatus and method for soft-combining demodulated symbols in a mobile communication system. In the mobile communication system, a transmitting apparatus modulates symbols in different modulation schemes and a receiving apparatus demodulates the modulation symbo... | 11/27/2007 |
| 7283566 | Method and circuit for generating time stamp data from an embedded-clock audio data stream and a video clock In preferred embodiments, a system including a transmitter, a receiver, and a serial link, in which the transmitter is configured to transmit video data, embedded-clock auxiliary data (or auxiliary data derived from embedded-clock auxiliary data), and a video clock ... | 10/16/2007 |
| 7253671 | Apparatus and method for compensating for clock drift in downhole drilling components A precise downhole clock that compensates for drift includes a prescaler configured to receive electrical pulses from an oscillator. The prescaler is configured to output a series of clock pulses. The prescaler outputs each clock pulse after counting a preloaded num... | 08/07/2007 |
| 7248426 | Servo writing a disk drive from spiral tracks by shifting a demodulation window an integer number of sync mark intervals A method of writing product servo sectors to a disk of a disk drive is disclosed. The disk comprises a plurality of spiral tracks, wherein each spiral track comprises a high frequency signal interrupted by a sync mark at a sync mark interval. The sync marks in the s... | 07/24/2007 |
| 7239098 | Digital adaptive sensorless commutational drive controller for a brushless DC motor Various embodiments of an electrical motor, a brushless DC motor controller, and applications thereof. In one embodiment, a fluid-moving device is provided with a brushless DC motor and a motor controller. The controller may include a set of comparators and a clocke... | 07/03/2007 |
| 7236319 | Reproducing method, reproducing apparatus, recording and reproducing apparatus, and magnetic recording medium A recording and reproducing apparatus includes: a recording section for recording an information signal in a magnetic recording medium in which a magnetic layer containing hexagonal ferrite is formed; and a reproducing section for reproducing the information signal ... | 06/26/2007 |
| 7230781 | Information storage system, and a method of operating it An information storage system has structure with a head that can effect information transfers with respect to a storage medium. According to one feature, a control portion monitors a characteristic of information read from the storage medium, and can take action to ... | 06/12/2007 |
| 7230789 | Method and apparatus for performing a self-servo write operation in a disk drive using spiral servo information The present invention is directed to a method and apparatus for performing a self-servo write operation in a disk drive. In one embodiment, the disk drive includes a disk surface having a read head and a write head associated therewith. Spiral servo information is w... | 06/12/2007 |
| 7230786 | Method and apparatus for dynamic placement of an integration window in a disk drive having a disk surface with spiral servo information written thereon The present invention is directed to a method and apparatus for dynamic placement of an integration window in a disk drive having a disk surface with spiral servo information written thereon. A read head is provided for reading the spiral servo information and gener... | 06/12/2007 |
| 7212364 | Servo writing a disk drive by synchronizing a servo write clock in response to a sync mark reliability metric A method of writing product servo sectors to a disk of a disk drive is disclosed. A plurality of spiral tracks are written to the disk, wherein each spiral track comprises a high frequency signal interrupted at a predetermined interval by a sync mark. During the pro... | 05/01/2007 |
| 7199955 | Decoding apparatus and decoding method In a coding method which does not restrict a run length of “1” while data is recorded/reproduced, there are such a drawback that when an error correction is carried out, a total number of error data to be corrected is increased, and also errors of not-detectable... | 04/03/2007 |
| 7196859 | Processing techniques for time-based servo patterns Techniques are described for accurately processing playback signals of time-based servo patterns recorded on a data storage medium. In particular, techniques are described for determining values for signal peaks within a playback signal of a time-based servo pattern... | 03/27/2007 |
| 7193797 | Method and apparatus for detecting and monitoring a bi-state head when self-servowriting a disk drive using spiral servo information The present invention is directed to a method and apparatus for detecting and monitoring a bi-state head when self-servowriting a disk drive. In one embodiment, an integration window is opened about an expected time that a read head will read spiral servo informatio... | 03/20/2007 |
| 7193449 | Method and apparatus for generating multi-phase signal A multi-phase signal generating apparatus is provided for readily generating multiple phase signals. The multi-phase signal generating apparatus comprises a signal data storage which stores a plurality of data segments for determining a predetermined period of one s... | 03/20/2007 |
| 7173784 | Apparatus for providing data dependent detection in a data read channel An apparatus for providing data dependent detection in a data read channel is disclosed. Parameters in a read channel are dynamically adjusted according to data dependent noise. For example, a comparison in an add-compare-select (ACS) unit of a Viterbi decoder may b... | 02/06/2007 |
| 7169489 | Hydrogen storage, distribution, and recovery system Cassette based systems and methods of hydrogen storage, distribution, and recovery are disclosed. A cassette or other container may contain a hydrogen storage or storing material. Information may be stored in the material and subsequently read or accessed. A probe m... | 01/30/2007 |
| 7167330 | Over-writing data in a recording system A recording system stores recording cycle information identifying the parameters for recording user data on a particular data sector. During a subsequent operation, the recording system employs the recording cycle information to select a different set of parameters ... | 01/23/2007 |
| 7158336 | Window timing adjustment for spiral bursts A method for writing servo information onto a disk of a hard disk drive with a servo writer. The method includes writing a plurality of spiral servo signals with a head. The spiral servo signals are used to write servo patterns using at least one timing window. The ... | 01/02/2007 |
