GB1550915A - Apparatus for recording or playback of electrical signals - Google Patents

Apparatus for recording or playback of electrical signals

Info

Publication number
GB1550915A
GB1550915A GB2165876A GB2165876A GB1550915A GB 1550915 A GB1550915 A GB 1550915A GB 2165876 A GB2165876 A GB 2165876A GB 2165876 A GB2165876 A GB 2165876A GB 1550915 A GB1550915 A GB 1550915A
Authority
GB
United Kingdom
Prior art keywords
playback
recording
electrical signals
signals
electrical
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
GB2165876A
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.)
ELEKTROTECHNIK EISENACH VEB
Original Assignee
ELEKTROTECHNIK EISENACH VEB
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 ELEKTROTECHNIK EISENACH VEB filed Critical ELEKTROTECHNIK EISENACH VEB
Publication of GB1550915A publication Critical patent/GB1550915A/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
    • G11B19/24—Arrangements for providing constant relative speed between record carrier and head
GB2165876A 1975-05-27 1976-05-25 Apparatus for recording or playback of electrical signals Expired GB1550915A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD18626875A DD125986A1 (de) 1975-05-27 1975-05-27

Publications (1)

Publication Number Publication Date
GB1550915A true GB1550915A (en) 1979-08-22

Family

ID=5500424

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2165876A Expired GB1550915A (en) 1975-05-27 1976-05-25 Apparatus for recording or playback of electrical signals

Country Status (5)

Country Link
DD (1) DD125986A1 (de)
DE (1) DE2620319A1 (de)
FR (1) FR2312833A1 (de)
GB (1) GB1550915A (de)
NL (1) NL7605801A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0018156A1 (de) * 1979-04-17 1980-10-29 BURROUGHS CORPORATION (a Delaware corporation) Rotierende Aufzeichnungsträger verwendender Aufzeichnungs- und Wiedergabeapparat
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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4351044A (en) * 1979-01-09 1982-09-21 Matsushita Electric Industrial Co., Ltd. Recording system using disk-shaped recording medium
JPS5671855A (en) * 1979-11-15 1981-06-15 Sony Corp Playback device of disc
US4388713A (en) * 1979-12-27 1983-06-14 Victor Company Of Japan, Ltd. Rotation control system in a rotary recording medium reproducing apparatus
US5787292A (en) * 1996-04-01 1998-07-28 International Business Machines Corporation Power saving method and apparatus for use in multiple frequency zone drives

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2113226A (en) * 1935-05-08 1938-04-05 Rca Corp Sound recording and reproducing system
US2505630A (en) * 1944-09-09 1950-04-25 Rca Corp Turntable speed control device
US3826965A (en) * 1972-11-29 1974-07-30 Ibm Constant tangential velocity motor control for a disc recording system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP0018156A1 (de) * 1979-04-17 1980-10-29 BURROUGHS CORPORATION (a Delaware corporation) Rotierende Aufzeichnungsträger verwendender Aufzeichnungs- und Wiedergabeapparat
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
DD125986A1 (de) 1977-06-08
DE2620319A1 (de) 1976-12-09
FR2312833A1 (fr) 1976-12-24
NL7605801A (nl) 1976-11-30

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Legal Events

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