NL7803523A - Gecombineerde snelheidsregeling en sectorindexering voor schijfregistratietoestellen en dergelijke. - Google Patents

Gecombineerde snelheidsregeling en sectorindexering voor schijfregistratietoestellen en dergelijke.

Info

Publication number
NL7803523A
NL7803523A NL7803523A NL7803523A NL7803523A NL 7803523 A NL7803523 A NL 7803523A NL 7803523 A NL7803523 A NL 7803523A NL 7803523 A NL7803523 A NL 7803523A NL 7803523 A NL7803523 A NL 7803523A
Authority
NL
Netherlands
Prior art keywords
indexation
sector
speed control
combined speed
disk recorders
Prior art date
Application number
NL7803523A
Other languages
English (en)
Original Assignee
Sycor Inc
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 Sycor Inc filed Critical Sycor Inc
Publication of NL7803523A publication Critical patent/NL7803523A/nl

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/005—Programmed access to indexed parts of tracks of operating discs, by guiding the disc
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/18—Controlling the angular speed together with angular position or phase
    • H02P23/186—Controlling the angular speed together with angular position or phase of one shaft by controlling the prime mover

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Rotational Drive Of Disk (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
NL7803523A 1977-04-21 1978-04-03 Gecombineerde snelheidsregeling en sectorindexering voor schijfregistratietoestellen en dergelijke. NL7803523A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/789,528 US4146910A (en) 1977-04-21 1977-04-21 Combined speed control and sectoring index for disc recorders and the like

Publications (1)

Publication Number Publication Date
NL7803523A true NL7803523A (nl) 1978-10-24

Family

ID=25147901

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7803523A NL7803523A (nl) 1977-04-21 1978-04-03 Gecombineerde snelheidsregeling en sectorindexering voor schijfregistratietoestellen en dergelijke.

Country Status (6)

Country Link
US (1) US4146910A (nl)
BR (1) BR7802388A (nl)
CA (1) CA1116746A (nl)
FR (1) FR2388339A1 (nl)
IT (1) IT1095214B (nl)
NL (1) NL7803523A (nl)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55109184A (en) * 1979-02-13 1980-08-22 Victor Co Of Japan Ltd Rotational speed control system
JPS5677960A (en) * 1979-11-27 1981-06-26 Sony Corp Generating circuit of counter clock signal for tape counter
US4477750A (en) * 1982-05-17 1984-10-16 International Business Machines Corporation Multi-level disk drive motor speed control
US4639798A (en) * 1982-11-26 1987-01-27 Quantum Corporation Disk drive having two interactive electromechanical control subsystems
US4691310A (en) * 1985-08-09 1987-09-01 Rca Corporation Compact disk read only memory recording system with speed control
JP2790273B2 (ja) * 1986-03-31 1998-08-27 キヤノン株式会社 駆動装置
US5444345A (en) * 1988-03-17 1995-08-22 Canon Kabushiki Kaisha Speed control apparatus for a motor
JP3239136B2 (ja) * 1999-09-24 2001-12-17 株式会社東京機械製作所 回転位置偏差検出装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1358751A (fr) * 1962-05-28 1964-04-17 Ampex Servo-mécanisme régulateur de vitesse, notamment pour appareil à bande magnétique
NL293137A (nl) * 1962-05-28 1900-01-01
US3803632A (en) * 1971-10-14 1974-04-09 Sycor Inc Data-entry clock means and method of implementing same
JPS4882809A (nl) * 1972-02-03 1973-11-06
US3952237A (en) * 1973-06-26 1976-04-20 Canon Kabushiki Kaisha Rotary body control apparatus
US3967177A (en) * 1974-11-14 1976-06-29 Addressograph Multigraph Corporation Photocomposition machine

Also Published As

Publication number Publication date
US4146910A (en) 1979-03-27
IT1095214B (it) 1985-08-10
BR7802388A (pt) 1979-02-13
FR2388339B1 (nl) 1983-02-25
CA1116746A (en) 1982-01-19
FR2388339A1 (fr) 1978-11-17
IT7822626A0 (it) 1978-04-21

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed