FR904940A - Oscillating coil for mechanical-acoustic transformers - Google Patents
Oscillating coil for mechanical-acoustic transformersInfo
- Publication number
- FR904940A FR904940A FR904940DA FR904940A FR 904940 A FR904940 A FR 904940A FR 904940D A FR904940D A FR 904940DA FR 904940 A FR904940 A FR 904940A
- Authority
- FR
- France
- Prior art keywords
- mechanical
- oscillating coil
- acoustic transformers
- transformers
- acoustic
- 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
- H04R9/046—Construction
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 |
---|---|---|---|
DE904940X | 1943-03-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR904940A true FR904940A (en) | 1945-11-20 |
Family
ID=6862056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR904940D Expired FR904940A (en) | 1943-03-26 | 1944-06-09 | Oscillating coil for mechanical-acoustic transformers |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR904940A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2364588A1 (en) * | 1976-03-22 | 1978-04-07 | Babbco Ltd | LOW MASS COIL LOUDSPEAKER AND ITS MANUFACTURING PROCESS |
-
1944
- 1944-06-09 FR FR904940D patent/FR904940A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2364588A1 (en) * | 1976-03-22 | 1978-04-07 | Babbco Ltd | LOW MASS COIL LOUDSPEAKER AND ITS MANUFACTURING PROCESS |
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