FR627024A - Microphones for Directed Listening - Google Patents
Microphones for Directed ListeningInfo
- Publication number
- FR627024A FR627024A FR627024DA FR627024A FR 627024 A FR627024 A FR 627024A FR 627024D A FR627024D A FR 627024DA FR 627024 A FR627024 A FR 627024A
- Authority
- FR
- France
- Prior art keywords
- microphones
- listening
- directed
- directed listening
- 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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
Landscapes
- Health & Medical Sciences (AREA)
- General 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 |
|---|---|---|---|
| FR627024T | 1926-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR627024A true FR627024A (en) | 1927-09-24 |
Family
ID=8988771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR627024D Expired FR627024A (en) | 1926-12-31 | 1926-12-31 | Microphones for Directed Listening |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR627024A (en) |
-
1926
- 1926-12-31 FR FR627024D patent/FR627024A/en not_active Expired
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