CA1087730A - Spring loaded pickup arm for video disc playback - Google Patents

Spring loaded pickup arm for video disc playback

Info

Publication number
CA1087730A
CA1087730A CA260,452A CA260452A CA1087730A CA 1087730 A CA1087730 A CA 1087730A CA 260452 A CA260452 A CA 260452A CA 1087730 A CA1087730 A CA 1087730A
Authority
CA
Canada
Prior art keywords
stylus
spring
carriage
arm
track
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
CA260,452A
Other languages
English (en)
French (fr)
Inventor
Anil R. Dholakia
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
Priority claimed from GB37848/75A external-priority patent/GB1552763A/en
Application filed by RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA1087730A publication Critical patent/CA1087730A/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
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/02—Arrangements of heads
    • G11B3/10—Arranging, supporting, or driving of heads or of transducers relatively to record carriers
    • G11B3/12—Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse
    • G11B3/20—Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse by elastic means, e.g. spring
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/44—Styli, e.g. sapphire, diamond
    • G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank

Landscapes

  • Moving Of Heads (AREA)
  • Feeding And Guiding Record Carriers (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Optical Recording Or Reproduction (AREA)
CA260,452A 1975-09-15 1976-09-02 Spring loaded pickup arm for video disc playback Expired CA1087730A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB37848/75A GB1552763A (en) 1975-09-15 1975-09-15 Spring load stylus record playback apparatus
GB37848-75 1975-09-15
US05/667,307 US4077050A (en) 1975-09-15 1976-03-16 Video disc player employing a spring loaded stylus apparatus
US667,307 1976-03-16

Publications (1)

Publication Number Publication Date
CA1087730A true CA1087730A (en) 1980-10-14

Family

ID=26263606

Family Applications (1)

Application Number Title Priority Date Filing Date
CA260,452A Expired CA1087730A (en) 1975-09-15 1976-09-02 Spring loaded pickup arm for video disc playback

Country Status (11)

Country Link
JP (1) JPS5237004A (OSRAM)
AT (1) AT356918B (OSRAM)
CA (1) CA1087730A (OSRAM)
CH (1) CH608906A5 (OSRAM)
DE (1) DE2641560C2 (OSRAM)
DK (1) DK141796B (OSRAM)
ES (1) ES451541A1 (OSRAM)
FR (1) FR2324090A1 (OSRAM)
IT (1) IT1068498B (OSRAM)
NL (1) NL7610194A (OSRAM)
NZ (1) NZ182050A (OSRAM)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE409252B (sv) * 1975-09-18 1979-08-06 Rca Corp Signalpickuppatron
DE2641296C2 (de) * 1975-09-18 1984-05-10 Rca Corp., New York, N.Y. Vorrichtung zum Abtasten von spiralförmig aufgezeichneten Informationen mit einem federbelasteten Abtastarm
JPS5252319A (en) * 1975-09-18 1977-04-27 Rca Corp Video disk reproducer
DE2660134C2 (de) * 1975-09-18 1984-08-09 Rca Corp., New York, N.Y. Vorrichtung zum Abtasten insbesondere einer Bildplatte mit einem Abtastarm dessen hinteres Ende mit einer Armstreckvorrichtung verbunden ist
US4337536A (en) * 1980-02-04 1982-06-29 Rca Corporation Flylead for a video disc stylus cartridge
JPS5932043Y2 (ja) * 1980-11-21 1984-09-08 日本ビクター株式会社 再生装置における信号ピツクアツプ装置
US4404669A (en) * 1982-01-20 1983-09-13 Rca Corporation Stylus assembly
GB2120446A (en) * 1982-04-08 1983-11-30 Rca Corp Holding apparatus for a disc record signal pickup stylus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2643886A (en) * 1948-09-25 1953-06-30 Alexander E Di Ghilini Arm for recording and reproducing apparatus
GB1460912A (en) * 1973-03-26 1977-01-06 Rca Corp Spring loaded stylus arm pivot
US3870835A (en) * 1973-04-16 1975-03-11 Rca Corp Stylus control apparatus for a video disc record player
US3873783A (en) * 1974-03-28 1975-03-25 Rca Corp Universal stylus arm pivot coupling
US3917903A (en) * 1974-11-12 1975-11-04 Rca Corp Detachable pickup arm magnetic coupling

Also Published As

Publication number Publication date
JPS5237004A (en) 1977-03-22
DE2641560C2 (de) 1984-05-17
DE2641560A1 (de) 1977-04-14
ES451541A1 (es) 1977-12-01
NZ182050A (en) 1979-10-25
FR2324090B1 (OSRAM) 1982-07-02
CH608906A5 (en) 1979-01-31
FR2324090A1 (fr) 1977-04-08
DK141796B (da) 1980-06-16
JPS5737921B2 (OSRAM) 1982-08-12
AT356918B (de) 1980-06-10
IT1068498B (it) 1985-03-21
DK413876A (OSRAM) 1977-03-16
ATA677776A (de) 1979-10-15
NL7610194A (nl) 1977-03-17
DK141796C (OSRAM) 1980-11-03

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Legal Events

Date Code Title Description
MKEX Expiry