FR583906A - Improvements to recording or reproducing acoustic devices - Google Patents

Improvements to recording or reproducing acoustic devices

Info

Publication number
FR583906A
FR583906A FR583906DA FR583906A FR 583906 A FR583906 A FR 583906A FR 583906D A FR583906D A FR 583906DA FR 583906 A FR583906 A FR 583906A
Authority
FR
France
Prior art keywords
recording
acoustic devices
reproducing acoustic
reproducing
devices
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
Ceorges Willis Ritchey
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 FR583906A publication Critical patent/FR583906A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR583906D 1924-07-22 1924-07-22 Improvements to recording or reproducing acoustic devices Expired FR583906A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR583906T 1924-07-22

Publications (1)

Publication Number Publication Date
FR583906A true FR583906A (en) 1925-01-27

Family

ID=8958981

Family Applications (1)

Application Number Title Priority Date Filing Date
FR583906D Expired FR583906A (en) 1924-07-22 1924-07-22 Improvements to recording or reproducing acoustic devices

Country Status (1)

Country Link
FR (1) FR583906A (en)

Similar Documents

Publication Publication Date Title
FR657396A (en) Improvements to sound reproduction systems
FR30476E (en) Improvements to sound reproduction systems
FR583906A (en) Improvements to recording or reproducing acoustic devices
FR613218A (en) Improvements to sound reproduction systems
FR660791A (en) Improvements to sound devices or acoustic tubes
FR664767A (en) Improvements to recording and reproducing devices of vibrations
FR618595A (en) Improvements to sound reproduction systems
FR31860E (en) Improvements to phonographs
FR581611A (en) Improvements to phonograph records
FR605544A (en) Improvements to sound reproduction systems
FR552135A (en) Improvements to recording devices
FR544087A (en) Improvements to recording devices
FR618035A (en) Improvements to sound reproducing devices
FR594650A (en) Improvements to phonographs
FR594213A (en) Improvements to phonographs
FR593803A (en) Improvements to phonographs
FR578701A (en) Improvements to phonographs
FR606639A (en) Improvements to recording instruments
FR648162A (en) Improvements to sound reproducing devices
FR620709A (en) Improvements to phonographic devices
FR549782A (en) Improvements to sound reproduction systems
FR645388A (en) Improvements to phonograph record devices
FR657136A (en) Improvements to sound reproduction systems
CA238183A (en) Disk sound record
FR527754A (en) Improvements to sound recording and reproducing devices