DE3669801D1 - Aufspueren von schnellen geschwindigkeitsaenderungen bei einem bandantrieb. - Google Patents

Aufspueren von schnellen geschwindigkeitsaenderungen bei einem bandantrieb.

Info

Publication number
DE3669801D1
DE3669801D1 DE8686304717T DE3669801T DE3669801D1 DE 3669801 D1 DE3669801 D1 DE 3669801D1 DE 8686304717 T DE8686304717 T DE 8686304717T DE 3669801 T DE3669801 T DE 3669801T DE 3669801 D1 DE3669801 D1 DE 3669801D1
Authority
DE
Germany
Prior art keywords
tape drive
speed changes
fast speed
tracking fast
tracking
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 - Fee Related
Application number
DE8686304717T
Other languages
English (en)
Inventor
Alfred Warren Blanco
Judson Allen Mcdowell
David Angelus Yeary
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3669801D1 publication Critical patent/DE3669801D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G11B20/10—Digital recording or reproducing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Magnetic Recording (AREA)
DE8686304717T 1985-06-24 1986-06-19 Aufspueren von schnellen geschwindigkeitsaenderungen bei einem bandantrieb. Expired - Fee Related DE3669801D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/748,377 US4633333A (en) 1985-06-24 1985-06-24 Detection of instantaneous speed variations in a tape drive

Publications (1)

Publication Number Publication Date
DE3669801D1 true DE3669801D1 (de) 1990-04-26

Family

ID=25009214

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686304717T Expired - Fee Related DE3669801D1 (de) 1985-06-24 1986-06-19 Aufspueren von schnellen geschwindigkeitsaenderungen bei einem bandantrieb.

Country Status (5)

Country Link
US (1) US4633333A (de)
EP (1) EP0206766B1 (de)
JP (1) JPS61296509A (de)
CA (1) CA1235481A (de)
DE (1) DE3669801D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4757396A (en) * 1985-07-12 1988-07-12 Fujitsu Limited Magnetic tape system with command prefetch means
US5003408A (en) * 1988-08-04 1991-03-26 Irwin Magnetic Systems, Inc. Method and apparatus for removing data stream variations
US5475542A (en) * 1993-06-14 1995-12-12 International Business Machines Corporation Method and apparatus for improving inter-block gap length tolerance and locate accuracy for write appends
US5829702A (en) * 1997-03-26 1998-11-03 Exabyte Corporation Method and apparatus for counteracting interlayer slip in magnetic tape drive

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3829893A (en) * 1973-05-29 1974-08-13 Vidar Corp Tape speed monitor
US3921210A (en) * 1974-01-14 1975-11-18 Gen Dynamics Corp High density data processing system
US4007492A (en) * 1974-03-07 1977-02-08 Sperry Rand Corporation Rotational speed monitor
FR2281689A1 (fr) * 1974-08-09 1976-03-05 Cit Alcatel Installation de transmission d'images
US4015799A (en) * 1975-11-14 1977-04-05 International Business Machines Corporation Adaptive reel-to-reel tape control system
US4170790A (en) * 1976-11-30 1979-10-09 Olympus Optical Co., Ltd. Tape recorder device with tape running speed display
SE405179B (sv) * 1977-04-19 1978-11-20 Datasaab Ab Sett och anordning for lesning av data
US4200927A (en) * 1978-01-03 1980-04-29 International Business Machines Corporation Multi-instruction stream branch processing mechanism
US4446494A (en) * 1979-07-06 1984-05-01 Soundstream, Inc. Uniform speed control for a multi-channel digital recorder
US4382268A (en) * 1980-10-20 1983-05-03 Honeywell Inc. Tape transport speed control
US4409628A (en) * 1981-11-16 1983-10-11 Honeywell, Inc. Tape transport speed control using a playback data derived clock signal
JPS58158784A (ja) * 1982-03-15 1983-09-21 オムロン株式会社 券のビツト間隔良否判定方法
EP0236588B1 (de) * 1982-04-02 1991-11-06 Ampex Corporation Spulenservosystem in einem Aufzeichnungs- und/oder Wiedergabegerät
JPS61242375A (ja) * 1985-04-19 1986-10-28 Hitachi Ltd 信号読取り装置

Also Published As

Publication number Publication date
CA1235481A (en) 1988-04-19
US4633333A (en) 1986-12-30
EP0206766B1 (de) 1990-03-21
JPS61296509A (ja) 1986-12-27
EP0206766A1 (de) 1986-12-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee