GB1285446A - Improvements in or relating to record-changer gramophones - Google Patents

Improvements in or relating to record-changer gramophones

Info

Publication number
GB1285446A
GB1285446A GB53593/69A GB5359369A GB1285446A GB 1285446 A GB1285446 A GB 1285446A GB 53593/69 A GB53593/69 A GB 53593/69A GB 5359369 A GB5359369 A GB 5359369A GB 1285446 A GB1285446 A GB 1285446A
Authority
GB
United Kingdom
Prior art keywords
lever
record
changer
gramophones
nov
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
GB53593/69A
Inventor
Edward William John Caddy
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.)
Plessey Co Ltd
Original Assignee
Plessey Co 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Publication of GB1285446A publication Critical patent/GB1285446A/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
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/08—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records

Landscapes

  • Transmission Devices (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Automatic Disk Changers (AREA)

Abstract

1285446 Automatic gramophones PLESSEY CO Ltd 10 Nov 1969 [12 Nov 1968] 53593/68 Heading G5R In a record-changer comprising a hand-lever 17 for selecting the required operation, a cyclecontrol lever 56, a switch-operating lever 14, and a release lever 46 operable by a cam surface 44 on the usual cam wheel 7 carrying a tap-tap lever 9, the blade 49 which dislodges a record from the shoulder 39 of the centre-post 3 to deposit it on the turntable 1 acts also to sense the absence of such a record and thereupon to displace the cycle-control lever 56 so as to initiate the switching-off of the apparatus and the automatic return of the hand-lever 17 and the cycle-control lever 56 to the "off" position. If a record is present on the shoulder 39, its central hole limits the movement of the blade 49.
GB53593/69A 1968-11-12 1968-11-12 Improvements in or relating to record-changer gramophones Expired GB1285446A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5359368 1968-11-12

Publications (1)

Publication Number Publication Date
GB1285446A true GB1285446A (en) 1972-08-16

Family

ID=10468341

Family Applications (1)

Application Number Title Priority Date Filing Date
GB53593/69A Expired GB1285446A (en) 1968-11-12 1968-11-12 Improvements in or relating to record-changer gramophones

Country Status (4)

Country Link
US (1) US3625521A (en)
JP (1) JPS5020841B1 (en)
DE (1) DE1956575A1 (en)
GB (1) GB1285446A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3848875A (en) * 1971-12-06 1974-11-19 Matsushita Electric Ind Co Ltd Automatic record player
US9741328B2 (en) * 2015-01-14 2017-08-22 Daniel J. Howington Apparatus for varying the pitch of audible tones driven by a turntable

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2982553A (en) * 1959-04-08 1961-05-02 Spear Products Inc Record changer
US3460840A (en) * 1966-08-11 1969-08-12 Us Industries Inc Automatic record changer
US3534967A (en) * 1967-02-13 1970-10-20 Vm Corp Record player having key operated controls

Also Published As

Publication number Publication date
US3625521A (en) 1971-12-07
DE1956575A1 (en) 1970-06-11
JPS5020841B1 (en) 1975-07-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee