ATA101586A - PRESSURE GRADIENT RECEIVER - Google Patents
PRESSURE GRADIENT RECEIVERInfo
- Publication number
- ATA101586A ATA101586A AT101586A AT101586A ATA101586A AT A101586 A ATA101586 A AT A101586A AT 101586 A AT101586 A AT 101586A AT 101586 A AT101586 A AT 101586A AT A101586 A ATA101586 A AT A101586A
- Authority
- AT
- Austria
- Prior art keywords
- pressure gradient
- gradient receiver
- receiver
- pressure
- gradient
- 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/38—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT101586A AT387300B (en) | 1986-04-17 | 1986-04-17 | Pressure gradient receiver |
DE19873700594 DE3700594A1 (en) | 1986-01-16 | 1987-01-10 | PRESSURE GRADIENT RECEIVER |
US07/002,870 US4858719A (en) | 1986-01-16 | 1987-01-13 | Pressure gradient pickup |
GB8700873A GB2185656B (en) | 1986-01-16 | 1987-01-15 | A pressure gradient receiver |
FR8700473A FR2593012A1 (en) | 1986-01-16 | 1987-01-16 | PRESSURE GRADIENT RECEIVER |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT101586A AT387300B (en) | 1986-04-17 | 1986-04-17 | Pressure gradient receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA101586A true ATA101586A (en) | 1988-05-15 |
AT387300B AT387300B (en) | 1988-12-27 |
Family
ID=3504953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT101586A AT387300B (en) | 1986-01-16 | 1986-04-17 | Pressure gradient receiver |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT387300B (en) |
-
1986
- 1986-04-17 AT AT101586A patent/AT387300B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AT387300B (en) | 1988-12-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee | ||
REN | Ceased due to non-payment of the annual fee |