FR319709A - Tone-adjustable reproducing diaphragm for phonographs says: "the sun" - Google Patents

Tone-adjustable reproducing diaphragm for phonographs says: "the sun"

Info

Publication number
FR319709A
FR319709A FR319709DA FR319709A FR 319709 A FR319709 A FR 319709A FR 319709D A FR319709D A FR 319709DA FR 319709 A FR319709 A FR 319709A
Authority
FR
France
Prior art keywords
phonographs
tone
sun
adjustable
reproducing diaphragm
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.)
PERRET ET LENGLET SOC
Original Assignee
PERRET ET LENGLET SOC
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 PERRET ET LENGLET SOC filed Critical PERRET ET LENGLET SOC
Application granted granted Critical
Publication of FR319709A publication Critical patent/FR319709A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR319709D 1902-03-18 1902-03-18 Tone-adjustable reproducing diaphragm for phonographs says: "the sun" Expired FR319709A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR319709T 1902-03-18

Publications (1)

Publication Number Publication Date
FR319709A true FR319709A (en) 1902-11-20

Family

ID=1370263

Family Applications (1)

Application Number Title Priority Date Filing Date
FR319709D Expired FR319709A (en) 1902-03-18 1902-03-18 Tone-adjustable reproducing diaphragm for phonographs says: "the sun"

Country Status (1)

Country Link
FR (1) FR319709A (en)

Similar Documents

Publication Publication Date Title
FR319709A (en) Tone-adjustable reproducing diaphragm for phonographs says: "the sun"
FR329850A (en) Reproductive diaphragm for phonographs and graphophones, called "the virtuoso"
FR328310A (en) Improvements to the support arms for grammophones and phonographs
FR334753A (en) Diaphragm amplifier and tensioner for phonograph and graphophone
FR403035A (en) Fixed diaphragm recording and reproducing diaphragm for phonographs
FR329626A (en) New phonograph says the "real"
FR474153A (en) Diaphragm for phonograph
FR473213A (en) Diaphragm for phonograph
FR513232A (en) Improvements to diaphragms for resonance boxes of sound reproducing devices, such as phonographs
FR331879A (en) Roller support, for the acoustic horn of phonographs
FR450959A (en) Multi-needle diaphragm for phonographs
FR347002A (en) Support for the development of photographic films
FR340441A (en) Improvements to supports for cameras
FR321483A (en) Hat says the ideal-sun
FR339318A (en) Mute for phonographs
FR326174A (en) Device for reproducing phonographic cylinders
FR334475A (en) Stop mechanism for phonographs
FR404704A (en) Reproduction device for sound instruments
FR4637E (en) Recorder for phonographs
FR346207A (en) Recorder for phonographs
FR358683A (en) Intonation indicating mechanism for sound reproducing devices
FR319499A (en) Instrument for writing music by playing the piano, called "preda musicographer"
FR372541A (en) Improvements to the recording and reproducing diaphragm for phonographs
FR353051A (en) Record for phonographic devices
FR332184A (en) Plate for phonographs