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[미국특허] Parity channel code for enhancing the operation of a remod/demod sequence detector in a d=1 sampled amplitude read channel 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G11B-005/09
출원번호 US-0016004 (1998-01-30)
발명자 / 주소
  • Reed David E.
  • Bliss William G.
출원인 / 주소
  • Cirrus Logic, Inc.
대리인 / 주소
    Sheerin
인용정보 피인용 횟수 : 50  인용 특허 : 9

초록

A sampled amplitude read channel is disclosed for disk storage systems employing a run-length limited (RLL) d=1 channel code which compensates for partial erasure, and a parity channel code for enhancing the operation of a remod/demod sequence detector. During a write operation, after encoding the u

대표청구항

[ I claim:] [1.] A sampled amplitude read channel for reading data recorded on a disk storage medium by detecting the data from a sequence of discrete-time sample values generated by sampling pulses in an analog read signal from a read head positioned over the disk storage medium, comprising:(a) a s

이 특허에 인용된 특허 (9) 인용/피인용 타임라인 분석

  1. Nishiya Takushi,JPX ; Miyazawa Shoichi,JPX ; Ashikawa Kazutoshi,JPX ; Shimokawa Ryushi,JPX ; Mita Seiichi,JPX, Digital signal processor, error detection method, and recording medium reproducer.
  2. Shimoda Kaneyasu,JPX, Magnetic disk drive in which read data is demodulated using maximum likelihood detection method.
  3. Coker Jonathan Darrel ; Eleftheriou Evangelos S.,CHX ; Galbraith Richard Leo ; Hirt Walter,CHX, Method and apparatus for data detection for PRML data channels.
  4. Zook Christopher P. (Longmont CO), Method and apparatus for detecting and decoding data in a PRML class-IV digital communication channel.
  5. Zook Christopher P. (Longmont CO), Method and apparatus for encoding data in a PRML class-IV digital communication channel.
  6. Knudson Kelly J. (Mountain View CA), Reduced complexity EPR4 post-processor for sampled data detection.
  7. Reed David E. ; Bliss William G. ; Sundell Lisa C., Sampled amplitude read channel employing a remod/demod sequence detector guided by an error syndrome.
  8. Marrow Marcus,IEX, Sequence error event detection and correction using fixed block digital sum codes.
  9. Yamakawa Hideyuki,JPX ; Nishiya Takushi,JPX ; Nara Takashi,JPX ; Takashi Terumi,JPX, System for reproducing high-density magnetic record data with viterbi detector for generating quadripartite reproductio.

이 특허를 인용한 특허 (50) 인용/피인용 타임라인 분석

  1. Louderback, Duane; Kleven, Kjersti Anna; Eustis, Tyler Joe; Harris, Mitchell Thomas, Apparatus for modular implementation of multi-function active optical cables.
  2. Louderback, Duane; Kleven, Kjersti Anna; Eustis, Tyler Joe; Harris, Mitchell Thomas, Apparatus for modular implementation of multi-function active optical cables.
  3. Han, Ke, Asymmetry correction in read signal.
  4. Han, Ke, Asymmetry correction in read signal.
  5. Han, Ke, Asymmetry correction in read signal.
  6. Han, Ke, Asymmetry correction in read signal.
  7. Han, Ke, Asymmetry correction in read signal.
  8. Han, Ke, Asymmetry correction in read signal.
  9. Han, Ke, Asymmetry correction in read signal.
  10. Han,Ke, Asymmetry correction in read signal.
  11. Ha, Jeong-Seok; Kim, Jaehong; McLaughlin, Steven; Suh, Seung-Bum, Channel encoding apparatus and method.
  12. Ha,Jeong Seok; Kim,Jaehong; McLaughlin,Steven; Suh,Seung Bum, Channel encoding apparatus and method.
  13. Ozdemir, Hakan, Circuit and method for detecting the phase of a servo signal.
  14. Ozdemir, Hakan, Circuit and method for detecting the phase of a servo signal.
  15. Vining,Suzanne Mary, Clock recovery system for encoded serial data with simplified logic and jitter tolerance.
  16. Satoru Higashino JP, Coding apparatus and decoding apparatus.
  17. Ozdemir, Hakan, Data-storage disk having few or no spin-up wedges and method for writing servo wedges onto the disk.
  18. Yang, Shaohua; Galbraith, Richard Leo; Lakovic, Ksenija; Lee, Yuan Xing; Oenning, Travis; Park, Jongseung; Sawaguchi, Hideki; Wilson, Bruce A., Decoding techniques for correcting errors using soft information.
  19. Yang, Shaohua; Galbraith, Richard Leo; Lakovic, Ksenija; Lee, Yuan Xing; Oenning, Travis; Park, Jongseung; Sawaguchi, Hideki; Wilson, Bruce A., Decoding techniques for correcting errors using soft information.
  20. Leung, Michael; Fu, Leo, Detector error suppression circuit and method.
  21. Shieh, Jia-Horng, Error correction method in full response read channels.
  22. Hamaguchi,Takehiko; Akagi,Kyo; Takano,Hisashi; Ichihara,Takayuki, Magnetic hard disk drive.
  23. Ho, Andrew; Stojanovic, Vladimir; Garlepp, Bruno W.; Chen, Fred F., Margin test methods and circuits.
  24. Ho, Andrew; Stojanovic, Vladimir; Garlepp, Bruno W.; Chen, Fred F., Margin test methods and circuits.
  25. Ho, Andrew; Stojanovic, Vladimir; Garlepp, Bruno W.; Chen, Fred F., Margin test methods and circuits.
  26. Ho, Andrew; Stojanovic, Vladimir; Garlepp, Bruno W.; Chen, Fred F., Margin test methods and circuits.
  27. Ho, Andrew; Stojanovic, Vladimir; Garlepp, Bruno W.; Chen, Fred F., Margin test methods and circuits.
  28. Kuki, Ryohei; Saeki, Koshiro, Media noise post-processor with varying threshold.
  29. Vityaev, Andrei E., Meta-Viterbi algorithm for use in communication systems.
  30. Louderback, Duane, Method and apparatus for active voltage regulation in optical modules.
  31. Louderback, Duane, Method and apparatus for active voltage regulation in optical modules.
  32. Louderback, Duane, Method and apparatus for implementing optical modules in high temperatures.
  33. Silvus, Gregory L., Method for improving sequence detection performance by removing excess paths.
  34. Louderback, Duane, Method, system and apparatus for hybrid optical and electrical pumping of semiconductor lasers and LEDs for improved reliability at high temperatures.
  35. Stark, Jason Blain, Modulation-forward error correction (MFEC) codes and methods of constructing and utilizing the same.
  36. Louderback, Duane, Optical bench apparatus having integrated monitor photodetectors and method for monitoring optical power using same.
  37. Louderback, Duane, Optical bench apparatus having integrated monitor photodetectors and method for monitoring optical power using same.
  38. Siegel, Paul H.; Öberg, Mats, Parity check outer code and runlength constrained outer code usable with parity bits.
  39. Siegel,Paul H.; Oberg,Mats, Parity check outer code and runlength constrained outer code usable with parity bits.
  40. Siegel,Paul H.; 횜berg,Mats, Parity check outer code and runlength constrained outer code usable with parity bits.
  41. McClellan Brett ; Leung Michael ; Fu Leo ; Jeon Taehyun, Parity insertion with precoder feedback in a read channel.
  42. Lee, Jun; Park, Jihoon; Moon, Jaekyun, Post-viterbi error correction method and apparatus.
  43. Conway, Thomas; Quinlan, Philip, Processor for digital data.
  44. Tonami, Junichiro; Fujiwara, Yuuki, Recording apparatus, reproducing apparatus and recording medium.
  45. Takashi, Terumi; Mita, Seiichi; Saito, Atsushi, Signal processing apparatus and a data recording and reproducing apparatus including local memory processor.
  46. Vining,Suzanne Mary, Simplified data recovery from high speed encoded data.
  47. Ueno, Hiroaki, Storage apparatus and method for processing recording compensation.
  48. Hassner, Martin Aureliano; Rezzi, Francesco; Trager, Barry Marshall, System and method for error correction of digitized phase signals from MR/GMR head readback waveforms.
  49. McEwen, Peter; Fitzpatrick, Kelly, Two stage detector having viterbi detector matched to a channel and post processor matched to a channel code.
  50. McEwen,Peter; Fitzpatrick,Kelly, Two stage detector having viterbi detector matched to a channel and post processor matched to a channel code.

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