FR731860A - Advanced speaker - Google Patents
Advanced speakerInfo
- Publication number
- FR731860A FR731860A FR731860DA FR731860A FR 731860 A FR731860 A FR 731860A FR 731860D A FR731860D A FR 731860DA FR 731860 A FR731860 A FR 731860A
- Authority
- FR
- France
- Prior art keywords
- advanced speaker
- speaker
- advanced
- 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
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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR731860T | 1931-04-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR731860A true FR731860A (en) | 1932-09-09 |
Family
ID=9119774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR731860D Expired FR731860A (en) | 1931-04-13 | 1931-04-13 | Advanced speaker |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR731860A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2840177A (en) * | 1955-07-28 | 1958-06-24 | Alexander I Abrahams | Loudspeaker diaphragm support |
-
1931
- 1931-04-13 FR FR731860D patent/FR731860A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2840177A (en) * | 1955-07-28 | 1958-06-24 | Alexander I Abrahams | Loudspeaker diaphragm support |
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