FR567342A - Improvements to phonographs - Google Patents

Improvements to phonographs

Info

Publication number
FR567342A
FR567342A FR567342DA FR567342A FR 567342 A FR567342 A FR 567342A FR 567342D A FR567342D A FR 567342DA FR 567342 A FR567342 A FR 567342A
Authority
FR
France
Prior art keywords
phonographs
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
Cornelius Collier
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 FR567342A publication Critical patent/FR567342A/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
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR567342D 1923-05-29 1923-05-29 Improvements to phonographs Expired FR567342A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR567342T 1923-05-29

Publications (1)

Publication Number Publication Date
FR567342A true FR567342A (en) 1924-02-29

Family

ID=8947718

Family Applications (1)

Application Number Title Priority Date Filing Date
FR567342D Expired FR567342A (en) 1923-05-29 1923-05-29 Improvements to phonographs

Country Status (1)

Country Link
FR (1) FR567342A (en)

Similar Documents

Publication Publication Date Title
FR562173A (en) Improvements to phonographs
FR573832A (en) Improvements to phonographs
FR575113A (en) Improvements to phonographs
FR567342A (en) Improvements to phonographs
FR564047A (en) Improvements to bioyclettes
FR572322A (en) Improvements to
FR589810A (en) Improvements to thermo-siphons
FR568598A (en) Improvements to parqueters
FR570775A (en) Improvements made to graphophones
FR570631A (en) Improvements to vibrometers
FR589567A (en) Improvements to brands
FR573781A (en) Improvements to boxes
FR566942A (en) Improvements to limonières
FR30525E (en) Improvements to radio-receivers
FR567818A (en) Improvements to bluteries
FR572615A (en) Improvements to biblorhaptes
FR574142A (en) Improvements to mulcher-dividers
FR567774A (en) Improvements to ccrsets
FR567069A (en) Improvements to mulcher-pulverizers
FR27222E (en) Improvements made to paragouttes
FR564339A (en) Improvements made to alandiers
FR594649A (en) Improvements to phonographs
FR578701A (en) Improvements to phonographs
FR593803A (en) Improvements to phonographs
FR594213A (en) Improvements to phonographs