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GB2232002B - Correction of long term drift and short term fluctuating corruption of a signal - Google Patents

Correction of long term drift and short term fluctuating corruption of a signal

Info

Publication number
GB2232002B
GB2232002B GB9016475A GB9016475A GB2232002B GB 2232002 B GB2232002 B GB 2232002B GB 9016475 A GB9016475 A GB 9016475A GB 9016475 A GB9016475 A GB 9016475A GB 2232002 B GB2232002 B GB 2232002B
Authority
GB
United Kingdom
Prior art keywords
corruption
correction
signal
fluctuating
drift
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
GB9016475A
Other versions
GB9016475D0 (en
GB2232002A (en
Inventor
Robert Wilkinson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB888802471A external-priority patent/GB8802471D0/en
Application filed by UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB9016475A priority Critical patent/GB2232002B/en
Publication of GB9016475D0 publication Critical patent/GB9016475D0/en
Publication of GB2232002A publication Critical patent/GB2232002A/en
Application granted granted Critical
Publication of GB2232002B publication Critical patent/GB2232002B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/52—Controlling, regulating, or indicating speed by using signals recorded on, or derived from, record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/22—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions
    • G11B20/225—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions for reducing wow or flutter

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
GB9016475A 1988-02-04 1989-01-27 Correction of long term drift and short term fluctuating corruption of a signal Expired - Lifetime GB2232002B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9016475A GB2232002B (en) 1988-02-04 1989-01-27 Correction of long term drift and short term fluctuating corruption of a signal

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB888802471A GB8802471D0 (en) 1988-02-04 1988-02-04 Correction of long term drift & short term fluctuating corruption of signal
GB9016475A GB2232002B (en) 1988-02-04 1989-01-27 Correction of long term drift and short term fluctuating corruption of a signal
PCT/GB1989/000087 WO1989007314A1 (en) 1988-02-04 1989-01-27 Correction of long term drift and short term fluctuating corruption of a signal

Publications (3)

Publication Number Publication Date
GB9016475D0 GB9016475D0 (en) 1990-09-12
GB2232002A GB2232002A (en) 1990-11-28
GB2232002B true GB2232002B (en) 1992-03-11

Family

ID=26293424

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9016475A Expired - Lifetime GB2232002B (en) 1988-02-04 1989-01-27 Correction of long term drift and short term fluctuating corruption of a signal

Country Status (1)

Country Link
GB (1) GB2232002B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831192A (en) * 1972-10-02 1974-08-20 Polaroid Corp Frequency deviation compensation system
GB1494510A (en) * 1973-12-26 1977-12-07 American Optical Corp Tape playback apparatus including timing error correcting means
US4286294A (en) * 1977-12-07 1981-08-25 Kokusai Gijutsu Kaihatsu Co., Ltd. Recording/reproducing system
US4535368A (en) * 1983-06-01 1985-08-13 Jack Schwartz Wow and flutter control apparatus for audio and video playback systems
US4646173A (en) * 1984-06-20 1987-02-24 Robert Bosch Gmbh Converting and decoding receiver for digital data recorded in analog form on magnetic tape

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831192A (en) * 1972-10-02 1974-08-20 Polaroid Corp Frequency deviation compensation system
GB1494510A (en) * 1973-12-26 1977-12-07 American Optical Corp Tape playback apparatus including timing error correcting means
US4286294A (en) * 1977-12-07 1981-08-25 Kokusai Gijutsu Kaihatsu Co., Ltd. Recording/reproducing system
US4535368A (en) * 1983-06-01 1985-08-13 Jack Schwartz Wow and flutter control apparatus for audio and video playback systems
US4646173A (en) * 1984-06-20 1987-02-24 Robert Bosch Gmbh Converting and decoding receiver for digital data recorded in analog form on magnetic tape

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Derwent's abstract, no. 87 227 368/32, SU 1278938-A,publ. week 8732 23 December 1986 *
Patent abstracts of Japan,vol 7,no 228, p228 abstract of JP 58-118056,Publ 1983-07-13 *

Also Published As

Publication number Publication date
GB9016475D0 (en) 1990-09-12
GB2232002A (en) 1990-11-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020127