FR492658A - Coupleur-controleur pour éléments microphoniques - Google Patents
Coupleur-controleur pour éléments microphoniquesInfo
- Publication number
- FR492658A FR492658A FR492658DA FR492658A FR 492658 A FR492658 A FR 492658A FR 492658D A FR492658D A FR 492658DA FR 492658 A FR492658 A FR 492658A
- Authority
- FR
- France
- Prior art keywords
- coupler
- controller
- microphone elements
- microphone
- elements
- 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
- H04R29/00—Monitoring arrangements; Testing arrangements
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR492658T | 1915-10-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR492658A true FR492658A (fr) | 1919-07-16 |
Family
ID=1528499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR492658D Expired FR492658A (fr) | 1915-10-28 | 1915-10-28 | Coupleur-controleur pour éléments microphoniques |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR492658A (fr) |
-
1915
- 1915-10-28 FR FR492658D patent/FR492658A/fr not_active Expired
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