JPH0221745Y2 - - Google Patents
Info
- Publication number
- JPH0221745Y2 JPH0221745Y2 JP4111882U JP4111882U JPH0221745Y2 JP H0221745 Y2 JPH0221745 Y2 JP H0221745Y2 JP 4111882 U JP4111882 U JP 4111882U JP 4111882 U JP4111882 U JP 4111882U JP H0221745 Y2 JPH0221745 Y2 JP H0221745Y2
- Authority
- JP
- Japan
- Prior art keywords
- frost
- oscillation
- piezoelectric element
- vibration
- section
- 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
- 230000010355 oscillation Effects 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 16
- 238000010257 thawing Methods 0.000 claims description 14
- 230000000644 propagated effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Defrosting Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4111882U JPS58142678U (ja) | 1982-03-23 | 1982-03-23 | 霜検知装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4111882U JPS58142678U (ja) | 1982-03-23 | 1982-03-23 | 霜検知装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58142678U JPS58142678U (ja) | 1983-09-26 |
| JPH0221745Y2 true JPH0221745Y2 (en]) | 1990-06-12 |
Family
ID=30052308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4111882U Granted JPS58142678U (ja) | 1982-03-23 | 1982-03-23 | 霜検知装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58142678U (en]) |
-
1982
- 1982-03-23 JP JP4111882U patent/JPS58142678U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58142678U (ja) | 1983-09-26 |
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