AU6048473A - Microphone assembly operable in directional and nondirectional modes - Google Patents
Microphone assembly operable in directional and nondirectional modesInfo
- Publication number
- AU6048473A AU6048473A AU60484/73A AU6048473A AU6048473A AU 6048473 A AU6048473 A AU 6048473A AU 60484/73 A AU60484/73 A AU 60484/73A AU 6048473 A AU6048473 A AU 6048473A AU 6048473 A AU6048473 A AU 6048473A
- Authority
- AU
- Australia
- Prior art keywords
- nondirectional
- directional
- modes
- microphone assembly
- assembly operable
- 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
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/40—Arrangements for obtaining a desired directivity characteristic
- H04R25/402—Arrangements for obtaining a desired directivity characteristic using contructional means
-
- 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)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00329673A US3835263A (en) | 1973-02-05 | 1973-02-05 | Microphone assembly operable in directional and non-directional modes |
USUS329,673 | 1973-02-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU478572B2 AU478572B2 (en) | 1975-03-20 |
AU6048473A true AU6048473A (en) | 1975-03-20 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
NL167832C (en) | 1982-01-18 |
ATA820273A (en) | 1976-01-15 |
NL7317130A (en) | 1974-08-07 |
FR2216745A1 (en) | 1974-08-30 |
DK149294B (en) | 1986-04-21 |
US3835263A (en) | 1974-09-10 |
FR2216745B1 (en) | 1978-11-17 |
AT332465B (en) | 1976-09-27 |
JPS49107723A (en) | 1974-10-14 |
GB1430200A (en) | 1976-03-31 |
DE2400666A1 (en) | 1974-08-08 |
JPS5317444B2 (en) | 1978-06-08 |
DE2400666B2 (en) | 1977-05-18 |
CA991738A (en) | 1976-06-22 |
CH587594A5 (en) | 1977-05-13 |
NL167832B (en) | 1981-08-17 |
DK149294C (en) | 1986-09-29 |
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