198803 ⎘
Signal processing not specific to the method of recording or reproducing; Circuits therefor; Digital recording or reproducing; Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter using partial response filtering when writing the signal to the medium or reading it therefrom PR4, PR(1,0,-1), i.e. partial response class 4, polynomial (1+D)(1-D)=(1-D2)
Apparatus and method to read information from an information storage medium
#2Gain control with multiple integrators
#3Rendering data write errors detectable
#4Detecting data-write errors
#5Data-dependent noise-predictive maximum likelihood detection (DD-NPML) for magnetic recording
#6MULTI-MODE LOOP ADAPTATION SCHEME FOR HIGH-DENSITY DATA RECORDING CHANNEL
#7Circuit and method for detecting the phase of a servo signal
#8Apparatus and method to read information from an information storage medium
#9Apparatus and method to read information from an information storage medium
#10Gain control with multiple integrators
#11System, method, and computer program product for characterizing media associated with data storage channels
#12Windowed level detector for partial response channels
#13Coefficient memory for least mean square finite impulse response filter
#14Coefficient control for filter in magnetic media read channel
#15Servo field preamble detector and methods for use therewith
#16Techniques for reducing error propagation using modulation codes having a variable span
#17Asynchronous read channel shaped toward generalized partial response characteristics
#18Apparatus, system, and method for adaptive asynchronous equalization using leakage
#19Dibit extraction
#20PRML based magnetic servo position demodulator
#21Phase locking apparatus, phase locking method, data reproducing apparatus, data reproducing method, and programs
#22Coding device and decoding device
#23Optical desk apparatus
#24Viterbi decoder method and apparatus with RI detector in servo channel