[go: up one dir, main page]

FR658679A - Improvements to diffuser and speaker motors - Google Patents

Improvements to diffuser and speaker motors

Info

Publication number
FR658679A
FR658679A FR658679DA FR658679A FR 658679 A FR658679 A FR 658679A FR 658679D A FR658679D A FR 658679DA FR 658679 A FR658679 A FR 658679A
Authority
FR
France
Prior art keywords
diffuser
speaker
motors
speaker motors
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
Jacques Tricou
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 FR658679A publication Critical patent/FR658679A/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
    • H04R11/00—Transducers of moving-armature or moving-core type

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR658679D 1928-08-07 1928-08-07 Improvements to diffuser and speaker motors Expired FR658679A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR658679T 1928-08-07

Publications (1)

Publication Number Publication Date
FR658679A true FR658679A (en) 1929-06-07

Family

ID=9009242

Family Applications (1)

Application Number Title Priority Date Filing Date
FR658679D Expired FR658679A (en) 1928-08-07 1928-08-07 Improvements to diffuser and speaker motors

Country Status (1)

Country Link
FR (1) FR658679A (en)

Similar Documents

Publication Publication Date Title
FR698003A (en) Loudspeaker enhancements
FR695243A (en) Loudspeaker enhancements
FR658679A (en) Improvements to diffuser and speaker motors
FR711055A (en) Improvements to the speakers
FR678577A (en) Improvements to electro-magnetic vibrating motors
FR660854A (en) Improvements to asynchronous-synchronized motors
FR36429E (en) Speaker training
FR684012A (en) Improvements to acoustic pavilions
FR679871A (en) Loudspeaker enhancements
FR682427A (en) Loudspeaker enhancements
FR652998A (en) Refinements to Diffuser Speakers
FR667002A (en) Microphone
FR674385A (en) Diffuser speaker
FR681597A (en) Diffuser speaker
FR708481A (en) Speaker diffuser
FR655084A (en) Improvements to sound diffusers
FR35692E (en) Improvements to acoustic ampliflcations
FR35678E (en) Improvements to phonographs and loudspeakers
FR696354A (en) Improvement in combined sound and cinematographic recordings
FR668418A (en) Improvements to organs and pianos
FR662918A (en) Loudspeaker enhancements
FR646434A (en) Improvements to diffuser type loudspeakers
FR668669A (en) Improvements to magnetos
FR655503A (en) Improvements to electric motors and generators
FR680759A (en) Improvements to electromagnetic loudspeaker motors