JPH0542879B2 - - Google Patents
Info
- Publication number
- JPH0542879B2 JPH0542879B2 JP7333184A JP7333184A JPH0542879B2 JP H0542879 B2 JPH0542879 B2 JP H0542879B2 JP 7333184 A JP7333184 A JP 7333184A JP 7333184 A JP7333184 A JP 7333184A JP H0542879 B2 JPH0542879 B2 JP H0542879B2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- ultrasonic
- protection member
- piezoelectric ceramic
- shape
- 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
- 239000000919 ceramic Substances 0.000 claims description 23
- 239000002131 composite material Substances 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000002604 ultrasonography Methods 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Transducers For Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7333184A JPS60216698A (ja) | 1984-04-12 | 1984-04-12 | 超音波セラミツクマイクロホン |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7333184A JPS60216698A (ja) | 1984-04-12 | 1984-04-12 | 超音波セラミツクマイクロホン |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60216698A JPS60216698A (ja) | 1985-10-30 |
| JPH0542879B2 true JPH0542879B2 (en]) | 1993-06-29 |
Family
ID=13515073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7333184A Granted JPS60216698A (ja) | 1984-04-12 | 1984-04-12 | 超音波セラミツクマイクロホン |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60216698A (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10158015B4 (de) * | 2001-11-27 | 2010-10-14 | Hydrometer Gmbh | Ultraschallwandler und Durchflussmesser |
-
1984
- 1984-04-12 JP JP7333184A patent/JPS60216698A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60216698A (ja) | 1985-10-30 |
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