FR768638A - Haut-parleur électrodynamique - Google Patents

Haut-parleur électrodynamique

Info

Publication number: FR768638A
Authority: FR; France
Prior art keywords: electro; dynamic speaker; speaker; dynamic
Prior art date: 1933-05-03
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

Inventor

Huguenard Eugene Alexandre

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.)

1933-05-03

Filing date

1933-05-03

Publication date

1934-08-10

1933-05-03 Application filed filed Critical

1934-08-10 Application granted granted Critical

1934-08-10 Publication of FR768638A publication Critical patent/FR768638A/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/041—Centering

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)

FR768638D 1933-05-03 1933-05-03 Haut-parleur électrodynamique Expired FR768638A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR768638T		1933-05-03

Publications (1)

Publication Number	Publication Date
FR768638A true FR768638A (fr)	1934-08-10

Family

ID=9184341

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR768638D Expired FR768638A (fr)	1933-05-03	1933-05-03	Haut-parleur électrodynamique

Country Status (1)

Country	Link
FR (1)	FR768638A (fr)

1933
- 1933-05-03 FR FR768638D patent/FR768638A/fr not_active Expired

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