FR30461E - Non-rigid vibrating diaphragm microphone - Google Patents
Non-rigid vibrating diaphragm microphoneInfo
- Publication number
- FR30461E FR30461E FR30461DA FR30461E FR 30461 E FR30461 E FR 30461E FR 30461D A FR30461D A FR 30461DA FR 30461 E FR30461 E FR 30461E
- 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; DEAF-AID SETS; 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; DEAF-AID SETS; 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 |
---|---|
FR30461E true FR30461E (en) | 1926-07-17 |
Family
ID=8668369
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR577396D Expired FR577396A (en) | 1925-01-10 | 1923-04-18 | Non-rigid vibrating diaphragm microphone |
FR30085D Expired FR30085E (en) | 1925-01-10 | 1924-09-09 | Non-rigid vibrating diaphragm microphone |
FR30461D Expired FR30461E (en) | 1925-01-10 | 1925-01-10 | Non-rigid vibrating diaphragm microphone |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR577396D Expired FR577396A (en) | 1925-01-10 | 1923-04-18 | Non-rigid vibrating diaphragm microphone |
FR30085D Expired FR30085E (en) | 1925-01-10 | 1924-09-09 | Non-rigid vibrating diaphragm microphone |
Country Status (1)
Country | Link |
---|---|
FR (3) | FR577396A (en) |
-
1923
- 1923-04-18 FR FR577396D patent/FR577396A/en not_active Expired
-
1924
- 1924-09-09 FR FR30085D patent/FR30085E/en not_active Expired
-
1925
- 1925-01-10 FR FR30461D patent/FR30461E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR30085E (en) | 1926-01-26 |
FR577396A (en) | 1924-09-04 |
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