AU7093187A - An improved transducer - Google Patents
An improved transducerInfo
- Publication number
- AU7093187A AU7093187A AU70931/87A AU7093187A AU7093187A AU 7093187 A AU7093187 A AU 7093187A AU 70931/87 A AU70931/87 A AU 70931/87A AU 7093187 A AU7093187 A AU 7093187A AU 7093187 A AU7093187 A AU 7093187A
- Authority
- AU
- Australia
- Prior art keywords
- improved transducer
- transducer
- improved
- 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.)
- Granted
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
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only for telephonic receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/10—Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU70931/87A AU588989B2 (en) | 1986-04-10 | 1987-03-30 | An improved transducer |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPH540386 | 1986-04-10 | ||
AUPH5403 | 1986-04-10 | ||
AU70931/87A AU588989B2 (en) | 1986-04-10 | 1987-03-30 | An improved transducer |
Publications (2)
Publication Number | Publication Date |
---|---|
AU7093187A true AU7093187A (en) | 1987-10-15 |
AU588989B2 AU588989B2 (en) | 1989-09-28 |
Family
ID=25636434
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU70931/87A Ceased AU588989B2 (en) | 1986-04-10 | 1987-03-30 | An improved transducer |
Country Status (1)
Country | Link |
---|---|
AU (1) | AU588989B2 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2937922A1 (en) * | 1979-09-19 | 1981-04-09 | Siemens AG, 1000 Berlin und 8000 München | PIEZOELECTRIC CONVERTER |
DE3131349C2 (en) * | 1981-08-07 | 1983-05-11 | Rosenthal Technik Ag, 8672 Selb | Piezoelectric three-tone generator |
US4413198A (en) * | 1981-12-30 | 1983-11-01 | Motorola, Inc. | Piezoelectric transducer apparatus |
-
1987
- 1987-03-30 AU AU70931/87A patent/AU588989B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
AU588989B2 (en) | 1989-09-28 |
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