JPS52113765A - Apparatus for detecting frost - Google Patents

Apparatus for detecting frost

Info

Publication number
JPS52113765A
JPS52113765A JP3053476A JP3053476A JPS52113765A JP S52113765 A JPS52113765 A JP S52113765A JP 3053476 A JP3053476 A JP 3053476A JP 3053476 A JP3053476 A JP 3053476A JP S52113765 A JPS52113765 A JP S52113765A
Authority
JP
Japan
Prior art keywords
detecting frost
frost
detecting
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
Application number
JP3053476A
Other languages
Japanese (ja)
Other versions
JPS5513543B2 (en
Inventor
Takumi Fukazawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP3053476A priority Critical patent/JPS52113765A/en
Publication of JPS52113765A publication Critical patent/JPS52113765A/en
Publication of JPS5513543B2 publication Critical patent/JPS5513543B2/ja
Granted legal-status Critical Current

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

  • Geophysics And Detection Of Objects (AREA)
  • Defrosting Systems (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP3053476A 1976-03-19 1976-03-19 Apparatus for detecting frost Granted JPS52113765A (en)

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 true JPS52113765A (en) 1977-09-24
JPS5513543B2 JPS5513543B2 (en) 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 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6399289U (en) * 1986-12-19 1988-06-27
JPH01279531A (en) * 1988-05-06 1989-11-09 Chinon Ind Inc Photo-electric switch
JPH09229764A (en) * 1996-02-23 1997-09-05 Omron Corp Photoelectric sensor
JP2010048747A (en) * 2008-08-25 2010-03-04 Casio Comput Co Ltd Electronic device
EP4187183A1 (en) * 2021-11-24 2023-05-31 Hamamatsu Photonics K.K. Refrigeration system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6399289U (en) * 1986-12-19 1988-06-27
JPH01279531A (en) * 1988-05-06 1989-11-09 Chinon Ind Inc Photo-electric switch
JPH09229764A (en) * 1996-02-23 1997-09-05 Omron Corp Photoelectric sensor
JP2010048747A (en) * 2008-08-25 2010-03-04 Casio Comput Co Ltd Electronic device
EP4187183A1 (en) * 2021-11-24 2023-05-31 Hamamatsu Photonics K.K. Refrigeration system

Also Published As

Publication number Publication date
JPS5513543B2 (en) 1980-04-09

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