SE398189B - DIRECTION FOR DIRECT SOUND RECEPTION - Google Patents
DIRECTION FOR DIRECT SOUND RECEPTIONInfo
- Publication number
- SE398189B SE398189B SE7506924A SE7506924A SE398189B SE 398189 B SE398189 B SE 398189B SE 7506924 A SE7506924 A SE 7506924A SE 7506924 A SE7506924 A SE 7506924A SE 398189 B SE398189 B SE 398189B
- Authority
- SE
- Sweden
- Prior art keywords
- direct sound
- sound reception
- reception
- direct
- sound
- Prior art date
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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742439634 DE2439634B1 (en) | 1974-08-19 | 1974-08-19 | ARRANGEMENT FOR DIRECTED SOUND RECEPTION |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7506924L SE7506924L (en) | 1976-02-20 |
SE398189B true SE398189B (en) | 1977-12-05 |
Family
ID=5923514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7506924A SE398189B (en) | 1974-08-19 | 1975-06-17 | DIRECTION FOR DIRECT SOUND RECEPTION |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT348606B (en) |
DE (1) | DE2439634B1 (en) |
FR (1) | FR2282768A1 (en) |
SE (1) | SE398189B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1091588A (en) * | 1976-11-01 | 1980-12-16 | William R. Wray | Receiving system having a pre-selected directional rejection characteristic |
JPS5939198A (en) * | 1982-08-27 | 1984-03-03 | Victor Co Of Japan Ltd | Microphone device |
DE8529437U1 (en) * | 1985-10-16 | 1987-06-11 | Siemens AG, 1000 Berlin und 8000 München | Directional microphone |
US5463694A (en) * | 1993-11-01 | 1995-10-31 | Motorola | Gradient directional microphone system and method therefor |
US6788791B2 (en) * | 2002-08-09 | 2004-09-07 | Shure Incorporated | Delay network microphones with harmonic nesting |
-
1974
- 1974-08-19 DE DE19742439634 patent/DE2439634B1/en not_active Withdrawn
-
1975
- 1975-06-11 AT AT445675A patent/AT348606B/en not_active IP Right Cessation
- 1975-06-17 SE SE7506924A patent/SE398189B/en unknown
- 1975-08-14 FR FR7525837A patent/FR2282768A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2282768B1 (en) | 1980-04-11 |
AT348606B (en) | 1979-02-26 |
FR2282768A1 (en) | 1976-03-19 |
SE7506924L (en) | 1976-02-20 |
DE2439634B1 (en) | 1976-03-18 |
ATA445675A (en) | 1978-07-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE7413047L (en) | MICROPHONE | |
DK409175A (en) | HEADPHONE | |
SE412740B (en) | HORN CONNECTION FOR WIDE BUILDING PARTS | |
SE404645B (en) | SPEAKER DEVICE | |
IT1055287B (en) | Transducers | |
NL7509515A (en) | STEREOPHONE SOUND SYSTEM. | |
IT1039561B (en) | EXTENSIMETER TRANSDUCERS | |
DK335175A (en) | RECEPTION AMPLIFIER | |
IT1039027B (en) | IMPROVED SIGNAL CONVERITTEE | |
FR2332525A1 (en) | TRANSDUCER | |
SE415606B (en) | REALLY EVENHER | |
DK691474A (en) | SPEAKER | |
SE412310B (en) | Ultrasonic Device - Eco - Encephalography | |
SE409641B (en) | LOPARE FOR BLIXTLAS | |
SE400377B (en) | UNDERWATER STANDERS | |
SE398189B (en) | DIRECTION FOR DIRECT SOUND RECEPTION | |
SE7514211L (en) | BAND SPEAKER | |
DK281175A (en) | SUBSTITUTED 0-ACYL-ACRYLALDOXIMER | |
AT346083B (en) | Dictation system | |
SE412473B (en) | SIDOSOCAN SONAR DEVICE | |
IT1048468B (en) | ELTTROFLUIDIC TRANSDUCER | |
JPS5157789A (en) | KORITSUTAIKISOKUSEIHORI AA OREFUINNO SEIZOHOHO | |
FR2289506A1 (en) | 1-IMINO-3- (4-THIOXO-5-THIAZOLIDINYLIDENE) ISOINDOLINES | |
SE7504669L (en) | SUBSTITUTED ALFA-CARBOXYACETAMIDOCEFALOSPORINES | |
NL7504714A (en) | DIRECT RADIATION SPEAKER. |