JPS643089Y2 - - Google Patents
Info
- Publication number
- JPS643089Y2 JPS643089Y2 JP13895981U JP13895981U JPS643089Y2 JP S643089 Y2 JPS643089 Y2 JP S643089Y2 JP 13895981 U JP13895981 U JP 13895981U JP 13895981 U JP13895981 U JP 13895981U JP S643089 Y2 JPS643089 Y2 JP S643089Y2
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric vibrator
- ring
- case
- shaped block
- detection device
- 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
- 238000001514 detection method Methods 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 230000010355 oscillation Effects 0.000 description 6
- 239000000843 powder Substances 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 235000009470 Theobroma cacao Nutrition 0.000 description 1
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 244000240602 cacao Species 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- -1 that is Substances 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13895981U JPS5847184U (ja) | 1981-09-21 | 1981-09-21 | 物体検知装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13895981U JPS5847184U (ja) | 1981-09-21 | 1981-09-21 | 物体検知装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5847184U JPS5847184U (ja) | 1983-03-30 |
| JPS643089Y2 true JPS643089Y2 (en]) | 1989-01-26 |
Family
ID=29932169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13895981U Granted JPS5847184U (ja) | 1981-09-21 | 1981-09-21 | 物体検知装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5847184U (en]) |
-
1981
- 1981-09-21 JP JP13895981U patent/JPS5847184U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5847184U (ja) | 1983-03-30 |
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