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Browse by Category: Main > Information Technology
Class Information
Number: 360/42
Name: Dynamic magnetic information storage or retrieval > General processing of a digital signal > In specific code or form > Phase code
Description:










Patents under this class:
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Patent Number Title Of Patent Date Issued
8693121 Oversampling storage system captured waveform Apr. 8, 2014
8659846 Inter-track interference cancelation in the presence of frequency offset Feb. 25, 2014
8625222 Storage device having calibration circuitry providing programmable phase update values Jan. 7, 2014
7719781 Method and apparatus for phase-shift null-burst-pattern May. 18, 2010
7688979 MIMO air interface utilizing dirty paper coding Mar. 30, 2010
7302749 Method of making a two-layer lap winding for a multiphase electrical machine Dec. 4, 2007
7023638 Data storage device, data read correction mechanism, and data read control method Apr. 4, 2006
7002762 Method for intersymbol interference removal in data recovery Feb. 21, 2006
6587291 Asynchronously sampling wide bi-phase codes Jul. 1, 2003
6347353 Information medium having digital signals recorded thereon Feb. 12, 2002
6154806 Method for recording digital signals on multiple-layered disks Nov. 28, 2000
5889820 SPDIF-AES/EBU digital audio data recovery Mar. 30, 1999
5862005 Synchronous detection of wide bi-phase coded servo information for disk drive Jan. 19, 1999
5128809 Coherent multi-frequency synthesis Jul. 7, 1992
RE33356 Frequency modulation coding methods with reduced transition intervals Sep. 25, 1990
4881059 Manchester code receiver Nov. 14, 1989
4788605 Receive Manchester clock circuit Nov. 29, 1988
4769723 Multiplexed bus data encoder and decoder for facilitating data recording Sep. 6, 1988
4752942 Method and circuitry for extracting clock signal from received biphase modulated signal Jun. 21, 1988
4745626 Decoder May. 17, 1988
4714968 Digital apparatus for data recovery system Dec. 22, 1987
4675884 Decoding circuit Jun. 23, 1987
4672363 Frequency modulation coding methods with reduced transition intervals Jun. 9, 1987
4656647 Pulsed bi-phase digital modulator system Apr. 7, 1987
4606053 Bi-phase decoder Aug. 12, 1986
4599736 Wide band constant duty cycle pulse train processing circuit Jul. 8, 1986
4596023 Balanced biphase transmitter using reduced amplitude of longer pulses Jun. 17, 1986
4592072 Decoder for self-clocking serial data communications May. 27, 1986
4578799 Method and apparatus for recovering data and clock information from a self-clocking data stream Mar. 25, 1986
4573169 Communication system for bi-phase transmission of data and having sinusoidal low pass frequency response Feb. 25, 1986
4556869 Multi-function data signal processing method and apparatus Dec. 3, 1985
4542420 Manchester decoder Sep. 17, 1985
4525848 Manchester decoder Jun. 25, 1985
4513329 Manchester decoder clock multiplier Apr. 23, 1985
4475183 Optical disk retrieval methods, media and systems employing digital data of high fractional bandwidth Oct. 2, 1984
4468791 Method and facility for decoding a biphase-code and application of the method Aug. 28, 1984
4383281 Method and arrangement for magnetic digital recording with high frequency biasing with suppression of DC components in the recording signals May. 10, 1983
4382249 Apparatus and method for decoding information May. 3, 1983
4377805 Magnetic recording Mar. 22, 1983
4367496 Method and arrangement for magnetic digital recording with high frequency biasing Jan. 4, 1983
4360749 Automotive alternator construction Nov. 23, 1982
4350973 Receiver apparatus for converting optically encoded binary data to electrical signals Sep. 21, 1982
4320525 Self synchronizing clock derivation circuit for double frequency encoded digital data Mar. 16, 1982
4281291 Arrangement for detecting the binary values of bit cells having center transitions subject to phase distortion Jul. 28, 1981
4199677 Record decoding system and method utilizing logarithmic techniques Apr. 22, 1980
4188620 Phase decoder Feb. 12, 1980
4181919 Adaptive synchronizing circuit for decoding phase-encoded data Jan. 1, 1980
4158436 Variable timing circuit for card readers and the like Jun. 19, 1979
3994014 Circuit for rewriting blocks of phase encoded data Nov. 23, 1976
3979746 High-speed Manchester code demodulator Sep. 7, 1976

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