CH217002A - Device for controlling the tonearm in automatic gramophones. - Google Patents

Device for controlling the tonearm in automatic gramophones.

Info

Publication number
CH217002A
CH217002A CH217002DA CH217002A CH 217002 A CH217002 A CH 217002A CH 217002D A CH217002D A CH 217002DA CH 217002 A CH217002 A CH 217002A
Authority
CH
Switzerland
Prior art keywords
tonearm
controlling
automatic gramophones
gramophones
automatic
Prior art date
Application number
Other languages
German (de)
Inventor
The Garrard Engineerin Limited
John Offen Francis
Original Assignee
Garrard Engineering & Manufact
John Offen Francis
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 Engineering & Manufact, John Offen Francis filed Critical Garrard Engineering & Manufact
Publication of CH217002A publication Critical patent/CH217002A/en

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
CH217002D 1938-11-04 1939-09-27 Device for controlling the tonearm in automatic gramophones. CH217002A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH217002A true CH217002A (en) 1941-09-30

Family

ID=10167348

Family Applications (1)

Application Number Title Priority Date Filing Date
CH217002D CH217002A (en) 1938-11-04 1939-09-27 Device for controlling the tonearm in automatic gramophones.

Country Status (4)

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

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 (en) * 1945-04-18
CH250693A (en) * 1946-03-21 1947-09-15 Paillard & Cie Sae Device for controlling the movements of the pick-up arm of a talking machine.
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
FR860559A (en) 1941-01-18
US2263643A (en) 1941-11-25

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