JPH0130438B2 - - Google Patents
Info
- Publication number
- JPH0130438B2 JPH0130438B2 JP56187636A JP18763681A JPH0130438B2 JP H0130438 B2 JPH0130438 B2 JP H0130438B2 JP 56187636 A JP56187636 A JP 56187636A JP 18763681 A JP18763681 A JP 18763681A JP H0130438 B2 JPH0130438 B2 JP H0130438B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- frost
- case
- frost detection
- light emitting
- 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 16
- 230000003595 spectral effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 229920003002 synthetic resin Polymers 0.000 claims description 2
- 239000000057 synthetic resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 238000010257 thawing Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
- G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56187636A JPS5888687A (ja) | 1981-11-20 | 1981-11-20 | 霜検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56187636A JPS5888687A (ja) | 1981-11-20 | 1981-11-20 | 霜検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5888687A JPS5888687A (ja) | 1983-05-26 |
| JPH0130438B2 true JPH0130438B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-06-20 |
Family
ID=16209575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56187636A Granted JPS5888687A (ja) | 1981-11-20 | 1981-11-20 | 霜検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5888687A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4767053B2 (ja) * | 2006-03-24 | 2011-09-07 | 三菱電機株式会社 | 冷凍空調装置 |
| JP5874276B2 (ja) * | 2011-09-29 | 2016-03-02 | セイコーエプソン株式会社 | カートリッジ、印刷装置 |
| KR102387389B1 (ko) * | 2021-09-15 | 2022-04-15 | 아브라텍 주식회사 | 냉동기의 성에 제거용 자동 제상 장치 |
-
1981
- 1981-11-20 JP JP56187636A patent/JPS5888687A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5888687A (ja) | 1983-05-26 |