GB617883A - 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
GB617883A
GB617883A GB28834/45A GB2883445A GB617883A GB 617883 A GB617883 A GB 617883A GB 28834/45 A GB28834/45 A GB 28834/45A GB 2883445 A GB2883445 A GB 2883445A GB 617883 A GB617883 A GB 617883A
Authority
GB
United Kingdom
Prior art keywords
relating
leaf
spring
gramophone records
automatic lifting
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
GB28834/45A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB28834/45A priority Critical patent/GB617883A/en
Priority to US706611A priority patent/US2552199A/en
Publication of GB617883A publication Critical patent/GB617883A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G11B3/08535—Driving the head
    • G11B3/08538—Driving the head the head being driven by the same means as the record can
    • G11B3/08541—Driving the head the head being driven by the same means as the record can for pivoting pick-up arms
    • G11B3/08545—Driving the head the head being driven by the same means as the record can for pivoting pick-up arms driven by cams
    • 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
    • G11B3/30—Supporting in an inoperative position
    • G11B3/32—Construction or arrangement of support pillars

Landscapes

  • Toys (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)

Abstract

617,883. Automatic gramophones. METCALFE, C., and RAE, A. J. Oct. 31, 1945, No. 28834. [Class 40 (ii)] In a gramophone apparatus having a camdisc 4 for effecting automatic lifting, lowering and placing of the pickup, an adjustable eccentric member 11 is mounted on a cam-disc 4, and comes into contact with a leaf-spring 9 fixed to the rotatable post 3 carrying the pickup arm, and effects automatic lifting of the pick-up until the needle is above the soundgroove, after which the leaf-spring 9 yields to disengage the member 11. Specification 617,864 is referred to.
GB28834/45A 1945-10-31 1945-10-31 Improvements in or relating to apparatus for playing gramophone records Expired GB617883A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB28834/45A GB617883A (en) 1945-10-31 1945-10-31 Improvements in or relating to apparatus for playing gramophone records
US706611A US2552199A (en) 1945-10-31 1946-10-30 Pickup support apparatus for phonographs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB28834/45A GB617883A (en) 1945-10-31 1945-10-31 Improvements in or relating to apparatus for playing gramophone records

Publications (1)

Publication Number Publication Date
GB617883A true GB617883A (en) 1949-02-14

Family

ID=10281903

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28834/45A Expired GB617883A (en) 1945-10-31 1945-10-31 Improvements in or relating to apparatus for playing gramophone records

Country Status (2)

Country Link
US (1) US2552199A (en)
GB (1) GB617883A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2697608A (en) * 1951-01-26 1954-12-21 Ami Ind Inc Phonograph tone arm control

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2289357A (en) * 1940-03-28 1942-07-14 Gen Ind Co Record changing mechanism for phonographs
US2366858A (en) * 1940-12-31 1945-01-09 Farnsworth Television & Radio Pickup arm mounting
US2424132A (en) * 1942-08-22 1947-07-15 Aga Baltic Ab Automatic phonograph record changer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2697608A (en) * 1951-01-26 1954-12-21 Ami Ind Inc Phonograph tone arm control

Also Published As

Publication number Publication date
US2552199A (en) 1951-05-08

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