JPS5513543B2 - - Google Patents
Info
- Publication number
- JPS5513543B2 JPS5513543B2 JP3053476A JP3053476A JPS5513543B2 JP S5513543 B2 JPS5513543 B2 JP S5513543B2 JP 3053476 A JP3053476 A JP 3053476A JP 3053476 A JP3053476 A JP 3053476A JP S5513543 B2 JPS5513543 B2 JP S5513543B2
- Authority
- JP
- Japan
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/11—Sensor to detect if defrost is necessary
- F25B2700/111—Sensor to detect if defrost is necessary using an emitter and receiver, e.g. sensing by emitting light or other radiation and receiving reflection by a sensor
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Geophysics And Detection Of Objects (AREA)
- Defrosting Systems (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3053476A JPS52113765A (en) | 1976-03-19 | 1976-03-19 | Apparatus for detecting frost |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3053476A JPS52113765A (en) | 1976-03-19 | 1976-03-19 | Apparatus for detecting frost |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52113765A JPS52113765A (en) | 1977-09-24 |
JPS5513543B2 true JPS5513543B2 (enrdf_load_stackoverflow) | 1980-04-09 |
Family
ID=12306451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3053476A Granted JPS52113765A (en) | 1976-03-19 | 1976-03-19 | Apparatus for detecting frost |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52113765A (enrdf_load_stackoverflow) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6399289U (enrdf_load_stackoverflow) * | 1986-12-19 | 1988-06-27 | ||
JP2719593B2 (ja) * | 1988-05-06 | 1998-02-25 | チノン株式会社 | 光電スイッチ |
JPH09229764A (ja) * | 1996-02-23 | 1997-09-05 | Omron Corp | 光電センサ |
JP5062101B2 (ja) * | 2008-08-25 | 2012-10-31 | カシオ計算機株式会社 | 電子機器 |
JP2023076871A (ja) * | 2021-11-24 | 2023-06-05 | 浜松ホトニクス株式会社 | 冷凍システム |
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1976
- 1976-03-19 JP JP3053476A patent/JPS52113765A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS52113765A (en) | 1977-09-24 |