GB1400958A - Disc recording system - Google Patents

Disc recording system

Info

Publication number
GB1400958A
GB1400958A GB5203073A GB5203073A GB1400958A GB 1400958 A GB1400958 A GB 1400958A GB 5203073 A GB5203073 A GB 5203073A GB 5203073 A GB5203073 A GB 5203073A GB 1400958 A GB1400958 A GB 1400958A
Authority
GB
United Kingdom
Prior art keywords
transducer
disc
nov
recording system
radius
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
Application number
GB5203073A
Other languages
English (en)
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
Publication of GB1400958A publication Critical patent/GB1400958A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor
    • G06G7/26—Arbitrary function generators
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/24—Arrangements for providing constant relative speed between record carrier and head

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Rotational Drive Of Disk (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Control Of Position Or Direction (AREA)
  • Control Of Direct Current Motors (AREA)
GB5203073A 1972-11-29 1973-11-09 Disc recording system Expired GB1400958A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00310502A US3826965A (en) 1972-11-29 1972-11-29 Constant tangential velocity motor control for a disc recording system

Publications (1)

Publication Number Publication Date
GB1400958A true GB1400958A (en) 1975-07-16

Family

ID=23202783

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5203073A Expired GB1400958A (en) 1972-11-29 1973-11-09 Disc recording system

Country Status (8)

Country Link
US (1) US3826965A (cg-RX-API-DMAC10.html)
JP (1) JPS573150B2 (cg-RX-API-DMAC10.html)
BR (1) BR7307773D0 (cg-RX-API-DMAC10.html)
CH (1) CH556111A (cg-RX-API-DMAC10.html)
DE (1) DE2358692A1 (cg-RX-API-DMAC10.html)
FR (1) FR2208161B1 (cg-RX-API-DMAC10.html)
GB (1) GB1400958A (cg-RX-API-DMAC10.html)
NL (1) NL7314651A (cg-RX-API-DMAC10.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4492992A (en) * 1979-04-17 1985-01-08 Rooney John O High storage density disc data store employing controlled-angular-velocity rotary medium

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD125986A1 (cg-RX-API-DMAC10.html) * 1975-05-27 1977-06-08
US4223349A (en) * 1978-11-16 1980-09-16 Mca Discovision, Inc. System for rotating an information storage disc at a variable angular velocity to recover information therefrom at a prescribed constant rate
USRE32431E (en) * 1978-11-16 1987-06-02 Discovision Associates System for rotating an information storage disc at a variable angular velocity to recover information therefrom at a prescribed constant rate
US4228326A (en) * 1978-11-16 1980-10-14 Mca Discovision Inc. System for recording information on a rotatable storage disc, in a substantially uniform recording density
US4190860A (en) * 1978-11-16 1980-02-26 Mca Discovision, Inc. Digital method and apparatus for rotating an information storage disc
US4351044A (en) * 1979-01-09 1982-09-21 Matsushita Electric Industrial Co., Ltd. Recording system using disk-shaped recording medium
JPS57134771U (cg-RX-API-DMAC10.html) * 1981-02-13 1982-08-23
JPS5837874A (ja) * 1981-08-31 1983-03-05 Nec Home Electronics Ltd デイスク回転制御装置
JPS5837873A (ja) * 1981-08-31 1983-03-05 Nec Home Electronics Ltd デイスク回転制御装置
JPS5837875A (ja) * 1981-08-31 1983-03-05 Nec Home Electronics Ltd デイスク回転制御装置
JPS58101358U (ja) * 1981-12-29 1983-07-09 日本圧電気株式会社 光学式情報読取装置
JPS60192164A (ja) * 1984-03-13 1985-09-30 Yanmar Diesel Engine Co Ltd 内燃機関のタイミングベルトプ−リ
US8143738B2 (en) * 2008-08-06 2012-03-27 Infinite Wind Energy LLC Hyper-surface wind generator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2600988A (en) * 1947-06-21 1952-06-17 Monarch Machine Tool Co Constant surface speed lathe
US2809333A (en) * 1952-10-07 1957-10-08 Giddings & Lewis Constant chip thickness motor control system for machine tools
US3090266A (en) * 1957-04-29 1963-05-21 Giddings & Lewis Apparatus to provide constant facing speed

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4492992A (en) * 1979-04-17 1985-01-08 Rooney John O High storage density disc data store employing controlled-angular-velocity rotary medium

Also Published As

Publication number Publication date
DE2358692A1 (de) 1974-05-30
CH556111A (de) 1974-11-15
FR2208161B1 (cg-RX-API-DMAC10.html) 1977-09-09
BR7307773D0 (pt) 1974-10-22
FR2208161A1 (cg-RX-API-DMAC10.html) 1974-06-21
JPS573150B2 (cg-RX-API-DMAC10.html) 1982-01-20
JPS4984623A (cg-RX-API-DMAC10.html) 1974-08-14
US3826965A (en) 1974-07-30
NL7314651A (cg-RX-API-DMAC10.html) 1974-05-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee