FR795745A - Electro-dynamic speaker - Google Patents

Electro-dynamic speaker

Info

Publication number: FR795745A
Authority: FR; France
Prior art keywords: electro; dynamic speaker; speaker; dynamic
Prior art date: 1934-09-26
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

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.)

Herich & Graetz AG

Original Assignee

Herich & Graetz AG

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.)

1934-09-26

Filing date

1935-09-26

Publication date

1936-03-20

1935-09-26 Application filed by Herich & Graetz AG filed Critical Herich & Graetz AG

1936-03-20 Application granted granted Critical

1936-03-20 Publication of FR795745A publication Critical patent/FR795745A/en

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
- H04R9/06—Loudspeakers
- 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

Landscapes

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

FR795745D 1934-09-26 1935-09-26 Electro-dynamic speaker Expired FR795745A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE795745X		1934-09-26

Publications (1)

Publication Number	Publication Date
FR795745A true FR795745A (en)	1936-03-20

Family

ID=6710808

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR795745D Expired FR795745A (en)	1934-09-26	1935-09-26	Electro-dynamic speaker

Country Status (1)

Country	Link
FR (1)	FR795745A (en)

1935
- 1935-09-26 FR FR795745D patent/FR795745A/en not_active Expired

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