FR2166238A1 - - Google Patents
Info
- Publication number
- FR2166238A1 FR2166238A1 FR7200003A FR7200003A FR2166238A1 FR 2166238 A1 FR2166238 A1 FR 2166238A1 FR 7200003 A FR7200003 A FR 7200003A FR 7200003 A FR7200003 A FR 7200003A FR 2166238 A1 FR2166238 A1 FR 2166238A1
- Authority
- FR
- France
- 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.)
- Pending
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
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7200003A FR2166238A1 (es) | 1972-01-03 | 1972-01-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7200003A FR2166238A1 (es) | 1972-01-03 | 1972-01-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2166238A1 true FR2166238A1 (es) | 1973-08-17 |
Family
ID=9091424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7200003A Pending FR2166238A1 (es) | 1972-01-03 | 1972-01-03 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2166238A1 (es) |
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1972
- 1972-01-03 FR FR7200003A patent/FR2166238A1/fr active Pending