FR1027662A - Advanced microphone - Google Patents
Advanced microphoneInfo
- Publication number
- FR1027662A FR1027662A FR1027662DA FR1027662A FR 1027662 A FR1027662 A FR 1027662A FR 1027662D A FR1027662D A FR 1027662DA FR 1027662 A FR1027662 A FR 1027662A
- Authority
- FR
- France
- Prior art keywords
- microphone
- advanced
- advanced 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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only for microphones
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1027662T | 1950-11-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1027662A true FR1027662A (en) | 1953-05-13 |
Family
ID=9580801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1027662D Expired FR1027662A (en) | 1950-11-14 | 1950-11-14 | Advanced microphone |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1027662A (en) |
-
1950
- 1950-11-14 FR FR1027662D patent/FR1027662A/en not_active Expired
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