FR698263A - Perfectionnement aux vibrateurs électromagnétiques - Google Patents

Perfectionnement aux vibrateurs électromagnétiques

Info

Publication number
FR698263A
FR698263A FR698263DA FR698263A FR 698263 A FR698263 A FR 698263A FR 698263D A FR698263D A FR 698263DA FR 698263 A FR698263 A FR 698263A
Authority
FR
France
Prior art keywords
electromagnetic vibrators
advanced training
training
advanced
vibrators
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
English (en)
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.)
CONST D APP S ET SPECIALITES E
Original Assignee
CONST D APP S ET SPECIALITES E
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 CONST D APP S ET SPECIALITES E filed Critical CONST D APP S ET SPECIALITES E
Application granted granted Critical
Publication of FR698263A publication Critical patent/FR698263A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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)
FR698263D 1930-07-01 1930-07-01 Perfectionnement aux vibrateurs électromagnétiques Expired FR698263A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR698263T 1930-07-01

Publications (1)

Publication Number Publication Date
FR698263A true FR698263A (fr) 1931-01-29

Family

ID=9047602

Family Applications (1)

Application Number Title Priority Date Filing Date
FR698263D Expired FR698263A (fr) 1930-07-01 1930-07-01 Perfectionnement aux vibrateurs électromagnétiques

Country Status (1)

Country Link
FR (1) FR698263A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454425A (en) * 1943-12-23 1948-11-23 Shure Bros Magnetic translating device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454425A (en) * 1943-12-23 1948-11-23 Shure Bros Magnetic translating device

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