JPS63275975A - 超音波距離計の送受波器 - Google Patents
超音波距離計の送受波器Info
- Publication number
- JPS63275975A JPS63275975A JP11149387A JP11149387A JPS63275975A JP S63275975 A JPS63275975 A JP S63275975A JP 11149387 A JP11149387 A JP 11149387A JP 11149387 A JP11149387 A JP 11149387A JP S63275975 A JPS63275975 A JP S63275975A
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric film
- holder
- film
- polymer piezoelectric
- ultrasonic waves
- 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
- 229920000642 polymer Polymers 0.000 claims description 59
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000013016 damping Methods 0.000 description 28
- 230000005540 biological transmission Effects 0.000 description 24
- 239000000463 material Substances 0.000 description 19
- 239000000919 ceramic Substances 0.000 description 13
- 230000035945 sensitivity Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 239000012528 membrane Substances 0.000 description 11
- 229920003023 plastic Polymers 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 230000000241 respiratory effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000002033 PVDF binder Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 241000270666 Testudines Species 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229920005603 alternating copolymer Polymers 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- -1 cyanovinylidene Chemical group 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11149387A JPS63275975A (ja) | 1987-05-07 | 1987-05-07 | 超音波距離計の送受波器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11149387A JPS63275975A (ja) | 1987-05-07 | 1987-05-07 | 超音波距離計の送受波器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63275975A true JPS63275975A (ja) | 1988-11-14 |
| JPH0463349B2 JPH0463349B2 (enrdf_load_stackoverflow) | 1992-10-09 |
Family
ID=14562671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11149387A Granted JPS63275975A (ja) | 1987-05-07 | 1987-05-07 | 超音波距離計の送受波器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63275975A (enrdf_load_stackoverflow) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53158227U (enrdf_load_stackoverflow) * | 1977-05-18 | 1978-12-12 | ||
| JPS6024473A (ja) * | 1983-06-09 | 1985-02-07 | シ−メンス、アクチエンゲゼルシヤフト | 超音波センサ |
| JPS60169585U (ja) * | 1984-04-18 | 1985-11-11 | 愛知車輌株式会社 | 超音波センサ |
-
1987
- 1987-05-07 JP JP11149387A patent/JPS63275975A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53158227U (enrdf_load_stackoverflow) * | 1977-05-18 | 1978-12-12 | ||
| JPS6024473A (ja) * | 1983-06-09 | 1985-02-07 | シ−メンス、アクチエンゲゼルシヤフト | 超音波センサ |
| JPS60169585U (ja) * | 1984-04-18 | 1985-11-11 | 愛知車輌株式会社 | 超音波センサ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0463349B2 (enrdf_load_stackoverflow) | 1992-10-09 |
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