GB533356A - Improvements in or relating to apparatus for playing gramophone records - Google Patents

Improvements in or relating to apparatus for playing gramophone records

Info

Publication number
GB533356A
GB533356A GB1690939A GB1690939A GB533356A GB 533356 A GB533356 A GB 533356A GB 1690939 A GB1690939 A GB 1690939A GB 1690939 A GB1690939 A GB 1690939A GB 533356 A GB533356 A GB 533356A
Authority
GB
United Kingdom
Prior art keywords
lever
arm
pin
record
lid
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
GB1690939A
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.)
MAURICE NORMAN HENRY SHAW
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
MAURICE NORMAN HENRY SHAW
EMI Ltd
Electrical and Musical Industries Ltd
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 to BE468509D priority Critical patent/BE468509A/xx
Application filed by MAURICE NORMAN HENRY SHAW, EMI Ltd, Electrical and Musical Industries Ltd filed Critical MAURICE NORMAN HENRY SHAW
Priority to GB1690939A priority patent/GB533356A/en
Publication of GB533356A publication Critical patent/GB533356A/en
Priority to FR950283D priority patent/FR950283A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/04—Feeding or guiding single record carrier to or from transducer unit
    • G11B17/05—Feeding or guiding single record carrier to or from transducer unit specially adapted for discs not contained within cartridges
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/485—Direct positive emulsions
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/022—Positioning or locking of single discs
    • G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
    • G11B17/032—Positioning by moving the door or the cover
    • 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
    • G11B3/08509—Control 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)
GB1690939A 1939-06-09 1939-06-09 Improvements in or relating to apparatus for playing gramophone records Expired GB533356A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE468509D BE468509A (enrdf_load_stackoverflow) 1939-06-09
GB1690939A GB533356A (en) 1939-06-09 1939-06-09 Improvements in or relating to apparatus for playing gramophone records
FR950283D FR950283A (fr) 1939-06-09 1946-08-28 Appareil pour faire jouer des disques de gramophone

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
GB533356A true GB533356A (en) 1941-02-12

Family

ID=10085862

Family Applications (1)

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

Country Status (3)

Country Link
BE (1) BE468509A (enrdf_load_stackoverflow)
FR (1) FR950283A (enrdf_load_stackoverflow)
GB (1) GB533356A (enrdf_load_stackoverflow)

Cited By (2)

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

Cited By (2)

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

Also Published As

Publication number Publication date
FR950283A (fr) 1949-09-22
BE468509A (enrdf_load_stackoverflow)

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