FR696762A - Improvements to electro-acoustic devices - Google Patents
Improvements to electro-acoustic devicesInfo
- Publication number
- FR696762A FR696762A FR696762DA FR696762A FR 696762 A FR696762 A FR 696762A FR 696762D A FR696762D A FR 696762DA FR 696762 A FR696762 A FR 696762A
- Authority
- FR
- France
- Prior art keywords
- electro
- acoustic devices
- acoustic
- devices
- 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
- H04R9/06—Loudspeakers
- H04R9/063—Loudspeakers using a plurality of acoustic drivers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR696762T | 1929-06-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR696762A true FR696762A (en) | 1931-01-07 |
Family
ID=9046781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR696762D Expired FR696762A (en) | 1929-06-21 | 1929-06-21 | Improvements to electro-acoustic devices |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR696762A (en) |
GB (1) | GB353202A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2118398B (en) * | 1982-04-14 | 1986-04-03 | Boaz Elieli | Moving coil electroacoustic transducers |
-
1929
- 1929-06-21 FR FR696762D patent/FR696762A/en not_active Expired
-
1930
- 1930-06-21 GB GB19016/30A patent/GB353202A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB353202A (en) | 1931-07-23 |
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