FR577396A - Microphone à membrane vibrante non rigide - Google Patents
Microphone à membrane vibrante non rigideInfo
- Publication number
- FR577396A FR577396A FR577396DA FR577396A FR 577396 A FR577396 A FR 577396A FR 577396D A FR577396D A FR 577396DA FR 577396 A FR577396 A FR 577396A
- Authority
- FR
- France
- Prior art keywords
- vibrating diaphragm
- diaphragm microphone
- rigid vibrating
- rigid
- microphone
- 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR30461T | 1925-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR577396A true FR577396A (fr) | 1924-09-04 |
Family
ID=8668369
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR577396D Expired FR577396A (fr) | 1925-01-10 | 1923-04-18 | Microphone à membrane vibrante non rigide |
| FR30085D Expired FR30085E (fr) | 1925-01-10 | 1924-09-09 | Microphone à membrane vibrante non rigide |
| FR30461D Expired FR30461E (fr) | 1925-01-10 | 1925-01-10 | Microphone à membrane vibrante non rigide |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR30085D Expired FR30085E (fr) | 1925-01-10 | 1924-09-09 | Microphone à membrane vibrante non rigide |
| FR30461D Expired FR30461E (fr) | 1925-01-10 | 1925-01-10 | Microphone à membrane vibrante non rigide |
Country Status (1)
| Country | Link |
|---|---|
| FR (3) | FR577396A (fr) |
-
1923
- 1923-04-18 FR FR577396D patent/FR577396A/fr not_active Expired
-
1924
- 1924-09-09 FR FR30085D patent/FR30085E/fr not_active Expired
-
1925
- 1925-01-10 FR FR30461D patent/FR30461E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR30085E (fr) | 1926-01-26 |
| FR30461E (fr) | 1926-07-17 |
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