FR520628A - Reproducer for phonographs - Google Patents

Reproducer for phonographs

Info

Publication number
FR520628A
FR520628A FR520628A FR520628DA FR520628A FR 520628 A FR520628 A FR 520628A FR 520628 A FR520628 A FR 520628A FR 520628D A FR520628D A FR 520628DA FR 520628 A FR520628 A FR 520628A
Authority
FR
France
Prior art keywords
phonographs
reproducer
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
FR520628A
Other languages
French (fr)
Inventor
Raymond Andre Robic
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.)
RAYMOND ANDRE ROBIC
Original Assignee
RAYMOND ANDRE ROBIC
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 RAYMOND ANDRE ROBIC filed Critical RAYMOND ANDRE ROBIC
Application granted granted Critical
Publication of FR520628A publication Critical patent/FR520628A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
FR520628A 1920-07-16 1920-07-16 Reproducer for phonographs Expired FR520628A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR520628T 1920-07-16

Publications (1)

Publication Number Publication Date
FR520628A true FR520628A (en) 1921-06-28

Family

ID=8916807

Family Applications (1)

Application Number Title Priority Date Filing Date
FR520628A Expired FR520628A (en) 1920-07-16 1920-07-16 Reproducer for phonographs

Country Status (1)

Country Link
FR (1) FR520628A (en)

Similar Documents

Publication Publication Date Title
FR520628A (en) Reproducer for phonographs
FR524287A (en) Repeater mechanism for phonograph
FR529368A (en) Automatic phonograph
FR512975A (en) Advanced electric reproducer for phonographs
FR539953A (en) Improvements to recording discs for talking machines
FR536889A (en) Reproducer for talking machines
CA4891S (en) PHONOGRAPH
FR496769A (en) Phonograph
FR542463A (en) Phonograph needle
FI7700A (en) Gramophone
FR516715A (en) Automatic stop for phonographs
FR524474A (en) Disc for talking machines with repeated recordings
FR23522E (en) Disc for talking machines with repeated recordings
FR515893A (en) Repeater mechanism for phonograph
FR503992A (en) Double phonograph
FR505512A (en) Multiple phonograph
FR566024A (en) Sound reproducer for phonographs
GB169785A (en) Gramophone reproducers
DK31862C (en) Phonographic Dictaphone.
CA204044A (en) Graphophone reproducing device
FR531676A (en) Phonograph record album cover
CH83993A (en) turntable
CA213808A (en) Reproducer for phonographs
FR543005A (en) Improvements made to furniture for phonographs
FI8728A (en) Phonographic dictatorship