BE468509A - - Google Patents

Info

Publication number
BE468509A
BE468509A BE468509DA BE468509A BE 468509 A BE468509 A BE 468509A BE 468509D A BE468509D A BE 468509DA BE 468509 A BE468509 A BE 468509A
Authority
BE
Belgium
Application number
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.)
Publication of BE468509A publication Critical patent/BE468509A/xx

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02Details
    • G11B17/04Feeding or guiding single record carrier to or from transducer unit
    • G11B17/05Feeding or guiding single record carrier to or from transducer unit specially adapted for discs not contained within cartridges
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/005Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/485Direct positive emulsions
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02Details
    • G11B17/022Positioning or locking of single discs
    • G11B17/028Positioning or locking of single discs of discs rotating during transducing operation
    • G11B17/032Positioning by moving the door or the cover
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/02Arrangements of heads
    • G11B3/08Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers
    • G11B3/085Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers using automatic means
    • G11B3/08503Control of drive of the head
    • G11B3/08506Control of drive of the head for pivoting pick-up arms
    • G11B3/08509Control of drive of the head for pivoting pick-up arms using mechanical detecting means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission Devices (AREA)
BE468509D 1939-06-09 BE468509A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1690939A GB533356A (en) 1939-06-09 1939-06-09 Improvements in or relating to apparatus for playing gramophone records

Publications (1)

Publication Number Publication Date
BE468509A true BE468509A (en:Method)

Family

ID=10085862

Family Applications (1)

Application Number Title Priority Date Filing Date
BE468509D BE468509A (en:Method) 1939-06-09

Country Status (3)

Country Link
BE (1) BE468509A (en:Method)
FR (1) FR950283A (en:Method)
GB (1) GB533356A (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1068909B (en:Method) * 1959-11-12
US4493069A (en) * 1983-01-27 1985-01-08 The Quaker Oats Company Phonograph

Also Published As

Publication number Publication date
GB533356A (en) 1941-02-12
FR950283A (fr) 1949-09-22

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