FR685882A - Process for writing sound waves onto discs, cylinders and the like - Google Patents

Process for writing sound waves onto discs, cylinders and the like

Info

Publication number
FR685882A
FR685882A FR685882DA FR685882A FR 685882 A FR685882 A FR 685882A FR 685882D A FR685882D A FR 685882DA FR 685882 A FR685882 A FR 685882A
Authority
FR
France
Prior art keywords
cylinders
sound waves
waves onto
writing sound
onto discs
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)
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.)
TELEGRAPHIE PATENT SYNDIKAT
Original Assignee
TELEGRAPHIE PATENT SYNDIKAT
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 TELEGRAPHIE PATENT SYNDIKAT filed Critical TELEGRAPHIE PATENT SYNDIKAT
Application granted granted Critical
Publication of FR685882A publication Critical patent/FR685882A/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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/86—Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers
FR685882D 1929-12-02 1929-12-02 Process for writing sound waves onto discs, cylinders and the like Expired FR685882A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR685882T 1929-12-02

Publications (1)

Publication Number Publication Date
FR685882A true FR685882A (en) 1930-07-18

Family

ID=9025233

Family Applications (1)

Application Number Title Priority Date Filing Date
FR685882D Expired FR685882A (en) 1929-12-02 1929-12-02 Process for writing sound waves onto discs, cylinders and the like

Country Status (1)

Country Link
FR (1) FR685882A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2978546A (en) * 1958-04-14 1961-04-04 Jr John H Andresen Magnetic recorder with echo effect
US3275326A (en) * 1963-10-22 1966-09-27 Walter L Welch Method and apparatus for making phonographic re-recordings

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2978546A (en) * 1958-04-14 1961-04-04 Jr John H Andresen Magnetic recorder with echo effect
US3275326A (en) * 1963-10-22 1966-09-27 Walter L Welch Method and apparatus for making phonographic re-recordings

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