FR708702A - Microphone électrostatique - Google Patents
Microphone électrostatiqueInfo
- Publication number
- FR708702A FR708702A FR708702DA FR708702A FR 708702 A FR708702 A FR 708702A FR 708702D A FR708702D A FR 708702DA FR 708702 A FR708702 A FR 708702A
- Authority
- FR
- France
- Prior art keywords
- condenser microphone
- microphone
- condenser
- 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
- H04R19/00—Electrostatic transducers
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 |
---|---|---|---|
FR40046T | 1931-03-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR708702A true FR708702A (fr) | 1931-07-28 |
Family
ID=8676373
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR708702D Expired FR708702A (fr) | 1931-03-30 | 1930-04-07 | Microphone électrostatique |
FR40046D Expired FR40046E (fr) | 1931-03-30 | 1931-03-30 | Microphone électrostatique |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR40046D Expired FR40046E (fr) | 1931-03-30 | 1931-03-30 | Microphone électrostatique |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE378730A (en)) |
FR (2) | FR708702A (en)) |
-
0
- BE BE378730D patent/BE378730A/xx unknown
-
1930
- 1930-04-07 FR FR708702D patent/FR708702A/fr not_active Expired
-
1931
- 1931-03-30 FR FR40046D patent/FR40046E/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR40046E (fr) | 1932-03-21 |
BE378730A (en)) |
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