BE450603A - - Google Patents
Info
- Publication number
- BE450603A BE450603A BE450603DA BE450603A BE 450603 A BE450603 A BE 450603A BE 450603D A BE450603D A BE 450603DA BE 450603 A BE450603 A BE 450603A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
-
- 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
-
- 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
- H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
-
- 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
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK149445D DE726440C (en) | 1938-02-04 | 1938-02-04 | Arrangement for the transmission of tones to generate a directional effect |
| DEK5070D DE856619C (en) | 1942-05-22 | 1942-05-22 | Microphone arrangement for the stereophonic recording of sounds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE450603A true BE450603A (en) |
Family
ID=5805589
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE432554D BE432554A (en) | 1938-02-04 | ||
| BE450603D BE450603A (en) | 1938-02-04 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE432554D BE432554A (en) | 1938-02-04 |
Country Status (3)
| Country | Link |
|---|---|
| BE (2) | BE450603A (en) |
| CH (3) | CH211974A (en) |
| FR (2) | FR849772A (en) |
-
0
- BE BE432554D patent/BE432554A/xx unknown
- BE BE450603D patent/BE450603A/xx unknown
-
1939
- 1939-02-02 CH CH211974D patent/CH211974A/en unknown
- 1939-02-02 FR FR849772D patent/FR849772A/en not_active Expired
- 1939-02-02 CH CH212885D patent/CH212885A/en unknown
-
1943
- 1943-05-03 CH CH234535D patent/CH234535A/en unknown
- 1943-05-07 FR FR951428D patent/FR951428A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR849772A (en) | 1939-12-01 |
| CH211974A (en) | 1940-10-31 |
| FR951428A (en) | 1949-10-25 |
| BE432554A (en) | |
| CH234535A (en) | 1944-09-30 |
| CH212885A (en) | 1940-12-31 |