FR860559A - Perfectionnements aux mécanismes de contrôle de pick-up pour gramophones automatiques - Google Patents

Perfectionnements aux mécanismes de contrôle de pick-up pour gramophones automatiques

Info

Publication number
FR860559A
FR860559A FR860559DA FR860559A FR 860559 A FR860559 A FR 860559A FR 860559D A FR860559D A FR 860559DA FR 860559 A FR860559 A FR 860559A
Authority
FR
France
Prior art keywords
pick
control mechanisms
automatic gramophones
gramophones
automatic
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
Other languages
English (en)
Inventor
Francis John Offen
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.)
Garrard Eng & Manufacturing Co Ltd
Original Assignee
Garrard Eng & Manufacturing 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 Garrard Eng & Manufacturing Co Ltd filed Critical Garrard Eng & Manufacturing Co Ltd
Application granted granted Critical
Publication of FR860559A publication Critical patent/FR860559A/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
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/44—Styli, e.g. sapphire, diamond
    • G11B3/52—Arrangements permitting styli to yield under excessive pressure
    • 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
    • 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
FR860559D 1938-11-04 1939-09-28 Perfectionnements aux mécanismes de contrôle de pick-up pour gramophones automatiques Expired FR860559A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB217002X 1938-11-04

Publications (1)

Publication Number Publication Date
FR860559A true FR860559A (fr) 1941-01-18

Family

ID=10167348

Family Applications (1)

Application Number Title Priority Date Filing Date
FR860559D Expired FR860559A (fr) 1938-11-04 1939-09-28 Perfectionnements aux mécanismes de contrôle de pick-up pour gramophones automatiques

Country Status (4)

Country Link
US (1) US2263643A (fr)
CH (1) CH217002A (fr)
FR (1) FR860559A (fr)
GB (1) GB519496A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2616708A (en) * 1943-01-27 1952-11-04 Hartford Nat Bank & Trust Co System for the reproduction of phonograph records of different diameters
US2523629A (en) * 1943-03-19 1950-09-26 Olsson Gunnar Daniel Electric phonograph
US2457668A (en) * 1943-11-01 1948-12-28 Carl R Hart Automatic phonograph
US2546845A (en) * 1944-03-25 1951-03-27 Automatic Instr Company Selective record player
GB615993A (fr) * 1945-04-18
CH250693A (fr) * 1946-03-21 1947-09-15 Paillard & Cie Sae Dispositif de commande des déplacements du bras porte-pick-up d'une machine parlante.
US2563653A (en) * 1946-10-19 1951-08-07 Philco Corp Phonograph tone-arm indexing mechanism
US2673739A (en) * 1947-04-15 1954-03-30 Seeburg J P Corp Autoamtic phonograph
US2572684A (en) * 1948-04-10 1951-10-23 Associated Dev & Res Corp Automatic record changer
US2795429A (en) * 1950-05-11 1957-06-11 Admiral Corp Automatic record player

Also Published As

Publication number Publication date
GB519496A (en) 1940-03-28
US2263643A (en) 1941-11-25
CH217002A (de) 1941-09-30

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