FR685720A - Improvements in phonograms and devices for recording and reproducing sounds - Google Patents

Improvements in phonograms and devices for recording and reproducing sounds

Info

Publication number
FR685720A
FR685720A FR685720DA FR685720A FR 685720 A FR685720 A FR 685720A FR 685720D A FR685720D A FR 685720DA FR 685720 A FR685720 A FR 685720A
Authority
FR
France
Prior art keywords
phonograms
recording
devices
reproducing sounds
sounds
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
Reginald Percy Thorogood
John Good
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 FR685720A publication Critical patent/FR685720A/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
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/06—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using web-form record carriers, e.g. tape
FR685720D 1928-11-28 1929-11-28 Improvements in phonograms and devices for recording and reproducing sounds Expired FR685720A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB685720X 1928-11-28

Publications (1)

Publication Number Publication Date
FR685720A true FR685720A (en) 1930-07-16

Family

ID=10492799

Family Applications (1)

Application Number Title Priority Date Filing Date
FR685720D Expired FR685720A (en) 1928-11-28 1929-11-28 Improvements in phonograms and devices for recording and reproducing sounds

Country Status (1)

Country Link
FR (1) FR685720A (en)

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