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Method and system for position error signal generation using auto correlation 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G11B-005/58
출원번호 US-0958151 (1992-10-07)
발명자 / 주소
  • Crossland James F. (Tucson AZ) East Don G. (Tucson AZ) Koski John A. (Tucson AZ) Smith James E. (Tucson AZ)
출원인 / 주소
  • International Business Machines Corporation (Armonk NY 02)
인용정보 피인용 횟수 : 51  인용 특허 : 0

초록 ▼

The present invention provides a method and system for generating a position error signal from a signal produced by a read element detecting a track comprising two harmonically unrelated patterns positioned parallel to each other on a magnetic media. The apparatus of the present invention produces a

대표청구항 ▼

An apparatus for generating a position error signal from a read signal generated by a read element passing over a track, the apparatus comprising: a first pattern having a first frequency parallel to a second pattern having a second frequency on a magnetic media, wherein the first and second pattern

이 특허를 인용한 특허 (51)

  1. Chliwnyj, Alex; Swanson, David L.; Wills, Steven C., Apparatus and method to calibrate a servo sensor.
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  2. Bui, Nhan X.; Cherubini, Giovanni; Furrer, Simeon; Lantz, Mark A., Balanced delay and resolution for high density servo systems.
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  3. Bui, Nhan X.; Cherubini, Giovanni; Furrer, Simeon; Lantz, Mark A., Balanced delay and resolution for high density servo systems.
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  4. Bui, Nhan X.; Cherubini, Giovanni; Furrer, Simeon; Lantz, Mark A., Balanced delay and resolution for high density servo systems.
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  5. Bui, Nhan X.; Cherubini, Giovanni; Furrer, Simeon; Inch, Randy C.; Lantz, Mark A.; Pantazi, Angeliki, Balanced delay and resolution for timing based servo systems.
    상세보기
  6. Underkofler, Daniel W., Closed loop control of tape media positioning within tape drive using position error signal feedback.
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  7. Underkofler, Daniel W., Closed loop control of tape media positioning within tape drive using position error signal feedback.
    상세보기
  8. Cunningham Earl Albert, Compact servo pattern optimized for M-R heads.
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  9. Cunningham, Earl Albert, Compact servo pattern optimized for M-R heads.
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  10. Baker,Bill Richard, Compound phase encoding for printed servo patterns.
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  11. Robertson, Michael C., Consumable downhole tool.
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  12. Clayton, Robert P.; Berscheidt, Kevin; Robertson, Michael C., Consumable downhole tools.
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  13. Clayton, Robert Preston; Berscheidt, Kevin; Robertson, Michael C., Consumable downhole tools.
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  14. Swor, Loren C.; Wilkinson, Brian K.; Robertson, Michael C., Consumable downhole tools.
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  15. Swor, Loren Craig; Wilkinson, Brian Keith, Consumable downhole tools.
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  16. Cheung Wayne L., Digital demodulation of a complementary two-frequency servo PES pattern.
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  17. Cheung Wayne Leung ; Clare Donald L. ; Serrano Louis Joseph, Disk drive servo sensing gain normalization and linearization.
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  18. Wagner, Gregory Lawrence; Dugas, Matthew P., Erase drive system and methods of erasure for tape data cartridge.
    상세보기
  19. Ayres Mark R. ; Dakroub Housan, Head positioning in a multi-track magnetic tape recorder/player.
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  20. Schwarz, Theodore A.; Dugas, Matthew P., Magnetic media formatted with an intergrated thin film subgap subpole structure for arbitrary gap pattern magnetic recording head.
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  21. Dugas, Matthew P., Magnetic media formed by a thin film planar arbitrary gap pattern magnetic head.
    상세보기
  22. Gray Martin D., Magnetic media having partitioned and presaturated data tracks.
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  23. Trivedi, Hitesh, Magnetic track following servo algorithm using signal quality.
    상세보기
  24. Hsin, Yi-Ping; Morris, John C., Method and apparatus for suppressing seek-induced vibration in a disc drive.
    상세보기
  25. Gray Martin D., Method and system for controlling the position of a magnetic read head.
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  26. Pahr Per Olaf,NOX, Method and system for generating a position error signal from recorded servo data tracks containing information represented by longitudinally spaced, magnetic transitions.
    상세보기
  27. Rofougaran, Ahmadreza, Method and system for transmission and/or reception of signals utilizing a delay circuit and DDFS.
    상세보기
  28. Robertson, Michael C., Method for removing a consumable downhole tool.
    상세보기
  29. Swor, Loren C.; Starr, Phillip M.; Smith, Don R.; Wilkinson, Brian K., Method for removing a consumable downhole tool.
    상세보기
  30. Tilghman, Stephen E., Method for removing a sealing plug from a well.
    상세보기
  31. Dugas, Matthew P., Method of formatting magnetic media using a thin film planar arbitrary gap pattern magnetic head.
    상세보기
  32. Dugas, Matthew P., Method of making a multi-channel time based servo tape media.
    상세보기
  33. Dugas, Matthew P., Method of making a multi-channel time based servo tape media.
    상세보기
  34. Dugas, Matthew P.; Schwarz, Theodore A.; Wagner, Gregory L., Methods for recording servo information.
    상세보기
  35. Dugas, Matthew P., Multichannel time based servo tape media.
    상세보기
  36. Saliba,George A.; Coles,Vernon P., Multiple format magnetic storage media drive.
    상세보기
  37. Chliwnyj, Alex; Swanson, David L.; Wills, Steven C., Noise reduction in same-gap servo in frequency-based servo tape systems.
    상세보기
  38. Erden,Mehmet Fatih; Keizer,Richard L.; Sacks,Alexei Hiram; Ellis,Timothy Francis, Position error signal quality.
    상세보기
  39. Sri-Jayantha Muthuthamby ; Sharma Arun ; Yamamoto Satoshi,JPX, Reduced seek acoustic noise direct access storage device.
    상세보기
  40. Bui, Nhan X.; Masuda, Setsuko; Tanaka, Keisuke; Tsuruta, Kazuhiro, Reliable data reading with data set screening by error injection.
    상세보기
  41. Bui, Nhan X.; Masuda, Setsuko; Tanaka, Keisuke; Tsuruta, Kazuhiro, Reliable data reading with data set screening by error injection.
    상세보기
  42. Bui, Nhan X.; Masuda, Setsuko; Tanaka, Keisuke; Tsuruta, Kazuhiro, Reliable data reading with data set screening by error injection.
    상세보기
  43. Dugas,Matthew P.; Schwarz,Theodore A.; Wagner,Gregory L., Servo systems, servo heads, servo patterns for data storage especially for reading, writing, and recording in magnetic recording tape.
    상세보기
  44. Dugas,Matthew P.; Schwarz,Theodore A.; Wagner,Gregory L., Servo systems, servo heads, servo patterns for data storage especially for reading, writing, and recording in magnetic recording tape.
    상세보기
  45. Dugas,Matthew P.; Schwarz,Theodore A.; Wagner,Gregory L., Servo systems, servo heads, servo patterns for data storage especially for reading, writing, and recording in magnetic recording tape.
    상세보기
  46. Ohgaki Hiroshi,JPX ; Sasajima Yasutaka,JPX, Signal reproducing apparatus.
    상세보기
  47. Colineau Joseph,FRX, System for the reading of a multitrack recording medium for enabling the reading of a number of information samples on t.
    상세보기
  48. Dugas, Matthew P., Thin film planar arbitrary gap pattern magnetic head.
    상세보기
  49. Dugas, Matthew P.; Wagner, Gregory L., Timing-based servo verify head and magnetic media made therewith.
    상세보기
  50. Helms, Carl A., Track position error determination.
    상세보기
  51. Belser Karl Arnold ; Cheung Wayne Leung, Two frequency servo PES pattern.
    상세보기

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