BE453187A - - Google Patents
Info
- Publication number
- BE453187A BE453187A BE453187DA BE453187A BE 453187 A BE453187 A BE 453187A BE 453187D A BE453187D A BE 453187DA BE 453187 A BE453187 A BE 453187A
- Authority
- BE
- Belgium
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
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL899777X | 1942-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE453187A true BE453187A (fi) |
Family
ID=19856337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE453187D BE453187A (fi) | 1942-11-16 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE453187A (fi) |
| FR (1) | FR899777A (fi) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3065816A (en) * | 1958-03-10 | 1962-11-27 | Rangertone Electronics Corp | Stereophonic sound distributor |
| GB1368070A (en) * | 1971-12-13 | 1974-09-25 | Borisenko A V | Sterophonic sound-reproducing system |
-
0
- BE BE453187D patent/BE453187A/xx unknown
-
1943
- 1943-11-15 FR FR899777D patent/FR899777A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR899777A (fr) | 1945-06-11 |