FR2295668B1 - - Google Patents
Info
- Publication number
- FR2295668B1 FR2295668B1 FR7441705A FR7441705A FR2295668B1 FR 2295668 B1 FR2295668 B1 FR 2295668B1 FR 7441705 A FR7441705 A FR 7441705A FR 7441705 A FR7441705 A FR 7441705A FR 2295668 B1 FR2295668 B1 FR 2295668B1
- 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.)
- 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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7441705A FR2295668A1 (fr) | 1974-12-16 | 1974-12-16 | Systeme de reproduction electro-acoustique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7441705A FR2295668A1 (fr) | 1974-12-16 | 1974-12-16 | Systeme de reproduction electro-acoustique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2295668A1 FR2295668A1 (fr) | 1976-07-16 |
| FR2295668B1 true FR2295668B1 (US07642317-20100105-C00010.png) | 1979-10-12 |
Family
ID=9146320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7441705A Granted FR2295668A1 (fr) | 1974-12-16 | 1974-12-16 | Systeme de reproduction electro-acoustique |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2295668A1 (US07642317-20100105-C00010.png) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986005638A1 (fr) * | 1985-03-11 | 1986-09-25 | Jacques Bigot | Ensemble de dispositifs permettant de rendre polyvalente l'utilisation du materiel toutes marques auto-radio |
| FR2589662A2 (fr) * | 1985-11-04 | 1987-05-07 | Bigot Jacques | Objet d'une addition au brevet principal no 85 03537 en ce qui concerne un ensemble de dispositif permettant de rendre polyvalente l'utilisation de materiel toutes marques auto-radio |
| ITVI20030041A1 (it) * | 2003-03-03 | 2004-09-04 | Alessandro Riccobono | Diffusore acustico a colonna. |
-
1974
- 1974-12-16 FR FR7441705A patent/FR2295668A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2295668A1 (fr) | 1976-07-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |