GB945973A - Improvements in or relating to gramophone records - Google Patents

Improvements in or relating to gramophone records

Info

Publication number
GB945973A
GB945973A GB646059A GB646059A GB945973A GB 945973 A GB945973 A GB 945973A GB 646059 A GB646059 A GB 646059A GB 646059 A GB646059 A GB 646059A GB 945973 A GB945973 A GB 945973A
Authority
GB
United Kingdom
Prior art keywords
records
relating
stack
gramophone records
members
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
GB646059A
Inventor
Walter Leslie Rand
James Barr Stevenson
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
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
Application filed by EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Priority to GB646059A priority Critical patent/GB945973A/en
Publication of GB945973A publication Critical patent/GB945973A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G11B3/68Record carriers
    • G11B3/70Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers

Landscapes

  • Automatic Disk Changers (AREA)

Abstract

945,973. Gramophone records. ELECTRIC & MUSICAL INDUSTRIES Ltd. April 12, 1960 [ Feb. 25, 1959], No. 6460/59. Heading G5R. A thin record 1 has arcuate members 5 mounted in slots 2 in the disc 1 such that a stack of the records is sufficiently spaced to co-operate with the centre-post mechanisms of automatic record changers. The members 5 may be radially grooved to improve the transmission of turntable drive through a stack.
GB646059A 1959-02-25 1959-02-25 Improvements in or relating to gramophone records Expired GB945973A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB646059A GB945973A (en) 1959-02-25 1959-02-25 Improvements in or relating to gramophone records

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB646059A GB945973A (en) 1959-02-25 1959-02-25 Improvements in or relating to gramophone records

Publications (1)

Publication Number Publication Date
GB945973A true GB945973A (en) 1964-01-08

Family

ID=9814873

Family Applications (1)

Application Number Title Priority Date Filing Date
GB646059A Expired GB945973A (en) 1959-02-25 1959-02-25 Improvements in or relating to gramophone records

Country Status (1)

Country Link
GB (1) GB945973A (en)

Similar Documents

Publication Publication Date Title
GB945973A (en) Improvements in or relating to gramophone records
GB945765A (en) Improvements in or relating to gramophone records
GB853993A (en) Improvements in or relating to gramophone record playing apparatus
GB859371A (en) Improvements relating to record changing phonographs
CA581939A (en) Change-speed friction drive for gramophones
GB944511A (en) Improvements in or relating to gramophone records
GB960450A (en) Improvements in or relating to gramophones
GB961952A (en) Improvements in or relating to gramophone records
CA582768A (en) Friction drive for gramophone turn-tables
CA567553A (en) Phonograph record changer
CA583096A (en) Phonograph record selector
AU4644159A (en) Improved change-speed mechanism forthe turntable ofa disc talking machine
GB875061A (en) Improvements in or relating to turntables for gramophone record players
GB862004A (en) Improvements relating to phonographs
GB848062A (en) Improvements in or relating to apparatus for reproducing gramophone records
CA526126A (en) Phonograph with three speed turntable driving mechanism
CA587251A (en) Gramophone tone-arm indexing
CA552672A (en) Phonographs having record changing mechanism
CA588590A (en) Phonograph record changer
CA568968A (en) Phonograph record changer
CA582777A (en) Phonograph record spindle
GB1007277A (en) Improvements in and relating to disc gramophone record players
CA553132A (en) Tracking devices for magnetic disc records
AU230462B2 (en) Improved gramophone records
AU3651458A (en) Multiple speed phonograph turntable drive mechanism