GB1461848A - Record pickup velocity correction - Google Patents

Record pickup velocity correction

Info

Publication number
GB1461848A
GB1461848A GB1579274A GB1579274A GB1461848A GB 1461848 A GB1461848 A GB 1461848A GB 1579274 A GB1579274 A GB 1579274A GB 1579274 A GB1579274 A GB 1579274A GB 1461848 A GB1461848 A GB 1461848A
Authority
GB
United Kingdom
Prior art keywords
stylus
transducer
disc
turntable
arm
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
GB1579274A
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Publication of GB1461848A publication Critical patent/GB1461848A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/7605—Television signal recording on discs or drums
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/03—Driving or moving of heads for correcting time base error during transducing operation, by driving or moving the head in a direction more or less parallel to the direction of travel of the recording medium, e.g. tangential direction on a rotating disc
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/903—Television signal recording using variable electrical capacitive recording

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Moving Of Heads (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
GB1579274A 1973-04-16 1974-04-10 Record pickup velocity correction Expired GB1461848A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05351598 USB351598I5 (enExample) 1973-04-16 1973-04-16

Publications (1)

Publication Number Publication Date
GB1461848A true GB1461848A (en) 1977-01-19

Family

ID=23381559

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1579274A Expired GB1461848A (en) 1973-04-16 1974-04-10 Record pickup velocity correction

Country Status (7)

Country Link
US (1) USB351598I5 (enExample)
JP (2) JPS5129005B2 (enExample)
CA (1) CA1039401A (enExample)
DE (1) DE2417951C3 (enExample)
FR (1) FR2225805B1 (enExample)
GB (1) GB1461848A (enExample)
IT (1) IT1010920B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4918678A (en) * 1977-12-12 1990-04-17 Dolby Ray Milton Disc reproducing system for compensating mechanical imperfections

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2641297C2 (de) * 1975-09-18 1984-01-26 RCA Corp., 10020 New York, N.Y. Vorrichtung in einem Bildplattenspieler zur lösbaren Befestigung des Abtastarms
US4080636A (en) 1976-03-19 1978-03-21 Ampex Corporation System for damping vibrations in a deflectable transducer
GB1572346A (en) * 1976-03-19 1980-07-30 Rca Corp Velocity and phase control for a disc recording and reproducing apparatus
GB1599052A (en) * 1977-04-19 1981-09-30 Rca Corp Pickup cartridge for record disc players
US4144466A (en) 1977-09-30 1979-03-13 International Business Machines Corporation Damping vibrations in voice coil actuator
CN104502622B (zh) * 2014-12-16 2019-06-25 上海斐讯数据通信技术有限公司 一种物体转速测量方法及电子设备

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3176170A (en) * 1962-05-01 1965-03-30 Rca Corp Electromagnetic constant velocity actuator
US3711641A (en) * 1971-03-22 1973-01-16 Rca Corp Velocity adjusting system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4918678A (en) * 1977-12-12 1990-04-17 Dolby Ray Milton Disc reproducing system for compensating mechanical imperfections

Also Published As

Publication number Publication date
FR2225805A1 (enExample) 1974-11-08
USB351598I5 (enExample) 1975-01-28
AU6767674A (en) 1975-10-09
JPS5129005B2 (enExample) 1976-08-23
IT1010920B (it) 1977-01-20
JPS53105210A (en) 1978-09-13
JPS5031803A (enExample) 1975-03-28
DE2417951B2 (de) 1976-12-16
DE2417951C3 (de) 1977-07-28
FR2225805B1 (enExample) 1978-01-20
CA1039401A (en) 1978-09-26
DE2417951A1 (de) 1974-10-24

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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