NL8003937A - Naalpositieaftastinrichting voor een videoplaat- afspeler. - Google Patents

Naalpositieaftastinrichting voor een videoplaat- afspeler. Download PDF

Info

Publication number
NL8003937A
NL8003937A NL8003937A NL8003937A NL8003937A NL 8003937 A NL8003937 A NL 8003937A NL 8003937 A NL8003937 A NL 8003937A NL 8003937 A NL8003937 A NL 8003937A NL 8003937 A NL8003937 A NL 8003937A
Authority
NL
Netherlands
Prior art keywords
needle
electrode
carriage
capacitance
holder
Prior art date
Application number
NL8003937A
Other languages
English (en)
Dutch (nl)
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 US06/055,976 external-priority patent/US4280023A/en
Application filed by Rca Corp filed Critical Rca Corp
Publication of NL8003937A publication Critical patent/NL8003937A/nl

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B9/00Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
    • G11B9/06Recording 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00Head arrangements not specific to the method of recording or reproducing
    • G11B21/02Driving or moving of heads
    • G11B21/04Automatic 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00Head arrangements not specific to the method of recording or reproducing
    • G11B21/02Driving or moving of heads
    • G11B21/04Automatic 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
    • G11B21/06Automatic 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 the record carrier having mechanical means to ensure traverse movement of the head, e.g. grooves

Landscapes

  • Moving Of Heads (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
NL8003937A 1979-07-09 1980-07-08 Naalpositieaftastinrichting voor een videoplaat- afspeler. NL8003937A (nl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US5564879A 1979-07-09 1979-07-09
US5597679 1979-07-09
US06/055,976 US4280023A (en) 1979-07-09 1979-07-09 Stylus position sensing apparatus for video disc player
US5564879 1979-07-09

Publications (1)

Publication Number Publication Date
NL8003937A true NL8003937A (nl) 1981-01-13

Family

ID=26734479

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8003937A NL8003937A (nl) 1979-07-09 1980-07-08 Naalpositieaftastinrichting voor een videoplaat- afspeler.

Country Status (11)

Country Link
AT (1) AT374945B (de)
AU (1) AU539371B2 (de)
DE (1) DE3026050C2 (de)
DK (1) DK294680A (de)
ES (1) ES493176A0 (de)
FI (1) FI802125A (de)
FR (1) FR2461325A1 (de)
GB (1) GB2056721B (de)
IT (1) IT1131334B (de)
NL (1) NL8003937A (de)
PL (1) PL135026B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4375094A (en) * 1980-11-10 1983-02-22 Rca Corporation Apparatus for advancing a video disc pickup transducer beyond a disc record defect
JPS58188340A (ja) * 1982-04-28 1983-11-02 Sony Corp 光学式再生装置
US4504941A (en) * 1983-01-28 1985-03-12 Rca Corporation Stylus cartridge having stylus arm restraint
CA1241741A (en) * 1984-05-24 1988-09-06 Robert A. Scranton Variable impedance contrast in data storage media

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2915315A (en) * 1954-06-14 1959-12-01 Libman Max L Servo arm for phonograph pickups
DE2361793C2 (de) * 1973-12-12 1983-06-16 Ted Bildplatten Ag Aeg-Telefunken-Teldec, 6301 Zug Wiedergabeeinrichtung für einen scheibenförmigen Aufzeichnungsträger
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

Also Published As

Publication number Publication date
FI802125A (fi) 1981-01-10
ES8104619A1 (es) 1981-04-01
FR2461325A1 (fr) 1981-01-30
IT8022833A0 (it) 1980-06-17
AU6004780A (en) 1981-01-15
PL225556A1 (de) 1981-04-10
GB2056721A (en) 1981-03-18
AU539371B2 (en) 1984-09-27
DE3026050A1 (de) 1981-02-19
DK294680A (da) 1981-01-10
AT374945B (de) 1984-06-12
ATA355080A (de) 1983-10-15
PL135026B1 (en) 1985-09-30
ES493176A0 (es) 1981-04-01
DE3026050C2 (de) 1986-01-16
GB2056721B (en) 1983-05-05
IT1131334B (it) 1986-06-18

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BV The patent application has lapsed