FR774029A - Improvements to automatic disc brushes of talking machines - Google Patents

Improvements to automatic disc brushes of talking machines

Info

Publication number
FR774029A
FR774029A FR774029DA FR774029A FR 774029 A FR774029 A FR 774029A FR 774029D A FR774029D A FR 774029DA FR 774029 A FR774029 A FR 774029A
Authority
FR
France
Prior art keywords
automatic disc
talking machines
disc brushes
brushes
talking
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
French (fr)
Inventor
Rivron Louis Pierre
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 filed Critical
Application granted granted Critical
Publication of FR774029A publication Critical patent/FR774029A/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
    • G11B3/58—Cleaning record carriers or styli, e.g. removing shavings or dust or electrostatic charges
    • G11B3/5809—Cleaning record carriers or styli, e.g. removing shavings or dust or electrostatic charges during transducing operation
    • G11B3/5818—Cleaning record carriers or styli, e.g. removing shavings or dust or electrostatic charges during transducing operation for record carriers
    • G11B3/5827—Cleaning record carriers or styli, e.g. removing shavings or dust or electrostatic charges during transducing operation for record carriers using means contacting the record carrier
    • G11B3/5836—Cleaning record carriers or styli, e.g. removing shavings or dust or electrostatic charges during transducing operation for record carriers using means contacting the record carrier means connected to the pick-up arm or head
FR774029D 1935-05-31 1934-06-01 Improvements to automatic disc brushes of talking machines Expired FR774029A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR46273T 1935-05-31

Publications (1)

Publication Number Publication Date
FR774029A true FR774029A (en) 1934-11-29

Family

ID=8681913

Family Applications (2)

Application Number Title Priority Date Filing Date
FR774029D Expired FR774029A (en) 1935-05-31 1934-06-01 Improvements to automatic disc brushes of talking machines
FR46273D Expired FR46273E (en) 1935-05-31 1935-05-31 Improvements to automatic disc brushes of talking machines

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR46273D Expired FR46273E (en) 1935-05-31 1935-05-31 Improvements to automatic disc brushes of talking machines

Country Status (1)

Country Link
FR (2) FR774029A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2717407A (en) * 1953-03-06 1955-09-13 Hans J Hanhart Paint brush guide
US2779047A (en) * 1953-08-26 1957-01-29 Ralph C Osborn Vacuum cleaner with accessory support

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2717407A (en) * 1953-03-06 1955-09-13 Hans J Hanhart Paint brush guide
US2779047A (en) * 1953-08-26 1957-01-29 Ralph C Osborn Vacuum cleaner with accessory support

Also Published As

Publication number Publication date
FR46273E (en) 1936-04-08

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