Equalizer having a processing unit for selecting a coefficient o

Details Equalizer having a processing unit for selecting a coefficient o Equalizer having a processing unit for selecting a coefficient o

1999-01-13

2000-11-07

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of biasing or erasing

375232, G11B 503

Patent

active

061445150

ABSTRACT:
The equalizer is capable of generating an equalized output that is compensated in the non-linearity of the signal reproduced by an MR head and a reliable high-density magnetically recorded-signal reproducer. The equalizer of an FIR-type filter structure includes a plurality of delay elements for delaying an input signal by a certain period, a plurality of coefficient processing units provided to input or output taps of the delay elements, and an adder for obtaining the sum of the outputs of the coefficient processing units. The distortion of the reproduced waveform can be corrected by a relatively simple circuit structure by comparing the signal value inputted to the coefficient processing unit from each tap with a predetermined threshold level and changing the signal value and a coefficient value to be multiplied in accordance with the comparison result. Therefore, any one of various existing signal processing systems can be applied to the decoding of reproduced signals of an MR head having the non-linear characteristic.

REFERENCES:
patent: 5283521 (1994-02-01), Ottesen et al.
patent: 5398259 (1995-03-01), Tsujimoto
patent: 5400189 (1995-03-01), Sato et al.
patent: 5414571 (1995-05-01), Matsushige et al.
patent: 5418660 (1995-05-01), Sato et al.
patent: 5543978 (1996-08-01), Park
patent: 5654765 (1997-08-01), Kim
patent: 5744993 (1998-04-01), Sonntag

Affiliated with

Also associated with

Rating

Equalizer having a processing unit for selecting a coefficient o does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Equalizer having a processing unit for selecting a coefficient o, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Equalizer having a processing unit for selecting a coefficient o will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1647413