JPH021439B2 - - Google Patents
Info
- Publication number
- JPH021439B2 JPH021439B2 JP55174682A JP17468280A JPH021439B2 JP H021439 B2 JPH021439 B2 JP H021439B2 JP 55174682 A JP55174682 A JP 55174682A JP 17468280 A JP17468280 A JP 17468280A JP H021439 B2 JPH021439 B2 JP H021439B2
- Authority
- JP
- Japan
- Prior art keywords
- fixed electrode
- sound wave
- movable electrode
- electrode
- radiation
- 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 - Lifetime
Links
- 230000005855 radiation Effects 0.000 claims description 28
- 239000012528 membrane Substances 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000003475 lamination Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17468280A JPS5799100A (en) | 1980-12-12 | 1980-12-12 | Electrostatic type electro-acoustic converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17468280A JPS5799100A (en) | 1980-12-12 | 1980-12-12 | Electrostatic type electro-acoustic converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5799100A JPS5799100A (en) | 1982-06-19 |
| JPH021439B2 true JPH021439B2 (de) | 1990-01-11 |
Family
ID=15982844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17468280A Granted JPS5799100A (en) | 1980-12-12 | 1980-12-12 | Electrostatic type electro-acoustic converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5799100A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5846800A (ja) * | 1981-09-14 | 1983-03-18 | Matsushita Electric Works Ltd | 静電型超音波振動子 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5362519A (en) * | 1976-11-12 | 1978-06-05 | Polaroid Corp | Electrostatic sound transducer |
-
1980
- 1980-12-12 JP JP17468280A patent/JPS5799100A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5362519A (en) * | 1976-11-12 | 1978-06-05 | Polaroid Corp | Electrostatic sound transducer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5799100A (en) | 1982-06-19 |
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