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PT72201B - Video disc stylus position sensor system - Google Patents

Video disc stylus position sensor system

Info

Publication number
PT72201B
PT72201B PT72201A PT7220180A PT72201B PT 72201 B PT72201 B PT 72201B PT 72201 A PT72201 A PT 72201A PT 7220180 A PT7220180 A PT 7220180A PT 72201 B PT72201 B PT 72201B
Authority
PT
Portugal
Prior art keywords
position sensor
sensor system
video disc
stylus position
disc stylus
Prior art date
Application number
PT72201A
Other languages
English (en)
Other versions
PT72201A (en
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 US06/105,504 external-priority patent/US4313189A/en
Priority claimed from US06/116,249 external-priority patent/US4327434A/en
Application filed by Rca Corp filed Critical Rca Corp
Publication of PT72201A publication Critical patent/PT72201A/pt
Publication of PT72201B publication Critical patent/PT72201B/pt

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
    • G11B9/06—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using record carriers having variable electrical capacitance; Record carriers therefor
    • 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
    • G11B21/04—Automatic feed mechanism producing a progressive transducing traverse of the head in a direction which cuts across the direction of travel of the recording medium, e.g. helical scan, e.g. by lead-screw
    • 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
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/14—Control of operating function, e.g. switching from recording to reproducing by sensing movement or position of head, e.g. means moving in correspondence with head movements
    • 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
    • G11B3/08—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers
    • G11B3/085—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers using automatic means
    • G11B3/08503—Control of drive of the head
    • G11B3/08506—Control of drive of the head for pivoting pick-up arms
    • G11B3/08516—Control of drive of the head for pivoting pick-up arms using magnetic detecting means
    • 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
    • G11B3/34—Driving or guiding during transducing operation
    • G11B3/38—Guiding, e.g. constructions or arrangements providing linear or other special tracking characteristics
PT72201A 1979-12-20 1980-12-15 Video disc stylus position sensor system PT72201B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/105,504 US4313189A (en) 1979-12-20 1979-12-20 Stylus position sensor for video disc player apparatus
US06/116,249 US4327434A (en) 1980-01-28 1980-01-28 Video disc stylus position sensor system

Publications (2)

Publication Number Publication Date
PT72201A PT72201A (en) 1981-01-01
PT72201B true PT72201B (en) 1982-01-05

Family

ID=26802651

Family Applications (1)

Application Number Title Priority Date Filing Date
PT72201A PT72201B (en) 1979-12-20 1980-12-15 Video disc stylus position sensor system

Country Status (13)

Country Link
KR (1) KR840000872B1 (pt)
AT (1) AT374947B (pt)
AU (1) AU6536480A (pt)
DE (1) DE3048140C2 (pt)
DK (1) DK542580A (pt)
ES (1) ES497982A0 (pt)
FI (1) FI803867A7 (pt)
FR (1) FR2473210A1 (pt)
GB (1) GB2071332B (pt)
IT (1) IT1134742B (pt)
NL (1) NL8006932A (pt)
PL (1) PL131062B1 (pt)
PT (1) PT72201B (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0521092B1 (en) * 1990-03-23 1997-08-13 Geotronics Ab Analogue displacement sensor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2536892A (en) * 1944-12-30 1951-01-02 Rca Corp Reproducer stylus tracking device
FR1580472A (pt) * 1968-07-12 1969-09-05
GB1361610A (en) * 1971-08-09 1974-07-30 Plessey Co Ltd Apparatus for playing disc records
US3917903A (en) * 1974-11-12 1975-11-04 Rca Corp Detachable pickup arm magnetic coupling
JPS5744536Y2 (pt) * 1975-10-23 1982-10-01
DE2629994A1 (de) * 1976-07-03 1978-01-05 Ted Bildplatten Signalwiedergabegeraet
GB1599052A (en) * 1977-04-19 1981-09-30 Rca Corp Pickup cartridge for record disc players
JPS5936345B2 (ja) * 1977-04-28 1984-09-03 ソニー株式会社 直線移動型ト−ンア−ム装置
JPS54307U (pt) * 1977-06-04 1979-01-05

Also Published As

Publication number Publication date
ES8106975A1 (es) 1981-09-16
GB2071332A (en) 1981-09-16
DE3048140A1 (de) 1981-09-10
GB2071332B (en) 1983-10-26
ES497982A0 (es) 1981-09-16
PT72201A (en) 1981-01-01
AU6536480A (en) 1981-06-25
NL8006932A (nl) 1981-07-16
KR840000872B1 (ko) 1984-06-20
IT1134742B (it) 1986-08-13
PL131062B1 (en) 1984-09-29
FI803867L (fi) 1981-06-21
FR2473210A1 (fr) 1981-07-10
ATA626580A (de) 1983-10-15
DE3048140C2 (de) 1984-04-12
PL228598A1 (pt) 1981-08-21
FI803867A7 (fi) 1981-06-21
DK542580A (da) 1981-06-21
IT8026681A0 (it) 1980-12-16
AT374947B (de) 1984-06-12

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