FR951428A - Method and devices for producing a directional effect in the transmission of sound - Google Patents
Method and devices for producing a directional effect in the transmission of soundInfo
- Publication number
- FR951428A FR951428A FR951428DA FR951428A FR 951428 A FR951428 A FR 951428A FR 951428D A FR951428D A FR 951428DA FR 951428 A FR951428 A FR 951428A
- Authority
- FR
- France
- Prior art keywords
- sound
- producing
- transmission
- devices
- directional effect
- 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
- 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 |
---|---|
FR951428A true FR951428A (en) | 1949-10-25 |
Family
ID=5805589
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR849772D Expired FR849772A (en) | 1938-02-04 | 1939-02-02 | Method and devices for producing a directional effect in the transmission of sound |
FR951428D Expired FR951428A (en) | 1938-02-04 | 1943-05-07 | Method and devices for producing a directional effect in the transmission of sound |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR849772D Expired FR849772A (en) | 1938-02-04 | 1939-02-02 | Method and devices for producing a directional effect in the transmission of sound |
Country Status (3)
Country | Link |
---|---|
BE (2) | BE450603A (en) |
CH (3) | CH212885A (en) |
FR (2) | FR849772A (en) |
-
0
- BE BE432554D patent/BE432554A/xx unknown
- BE BE450603D patent/BE450603A/xx unknown
-
1939
- 1939-02-02 CH CH212885D patent/CH212885A/en unknown
- 1939-02-02 CH CH211974D patent/CH211974A/en unknown
- 1939-02-02 FR FR849772D patent/FR849772A/en not_active Expired
-
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 |
---|---|
BE432554A (en) | |
BE450603A (en) | |
CH234535A (en) | 1944-09-30 |
FR849772A (en) | 1939-12-01 |
CH211974A (en) | 1940-10-31 |
CH212885A (en) | 1940-12-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR855913A (en) | Process for the production of dispersions | |
FR951428A (en) | Method and devices for producing a directional effect in the transmission of sound | |
FR856854A (en) | Devices for sound translation | |
FR846841A (en) | Improved sandblasting process, devices and equipment for its application | |
FR844080A (en) | Method and devices for the production of inner nets | |
FR863509A (en) | Process for the materialization of schedules or graphics and implementation devices | |
FR978514A (en) | Electro-synchronization method and devices for hydraulically operated machines | |
FR750154A (en) | Process and devices for the production of stereoscopic films | |
FR850289A (en) | Method and devices for the continuous casting of parts of variable cross-section | |
FR845052A (en) | Improved process and machine for interior pipe lining | |
FR869350A (en) | Method and devices for electro-acoustic sound transmission | |
FR861830A (en) | Method and set of devices for the rescue of submarines | |
FR838272A (en) | Improved method and devices for producing an abrasive jet | |
FR848161A (en) | Process for the production of sound recordings | |
FR849553A (en) | Processes for the production of halogenated aryl vinyl ethers | |
FR850269A (en) | Vibration process and machine for the production of agglomerates | |
FR851990A (en) | Method and device for the production of magnesium | |
FR756154A (en) | Method and devices for weaving | |
CH221920A (en) | Process and apparatus for the production of neutral hypochlorine solutions. | |
FR858988A (en) | Process for the production of butadiene | |
FR843386A (en) | Method and devices for producing magnetic waves for all applications | |
FR759578A (en) | Process for the production of short powerful sounds | |
FR874275A (en) | Process to facilitate the demoulding of pigs | |
FR849447A (en) | Method for the selection of modulated waves | |
FR865041A (en) | Method and apparatus for the production of magnesium |