JPS5354337A - Defrost controller - Google Patents

Defrost controller

Info

Publication number
JPS5354337A
JPS5354337A JP12907576A JP12907576A JPS5354337A JP S5354337 A JPS5354337 A JP S5354337A JP 12907576 A JP12907576 A JP 12907576A JP 12907576 A JP12907576 A JP 12907576A JP S5354337 A JPS5354337 A JP S5354337A
Authority
JP
Japan
Prior art keywords
sensitive element
defrost controller
light
light sensitive
frost
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
JP12907576A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5526392B2 (enrdf_load_stackoverflow
Inventor
Takeshi Ishizaka
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Refrigeration Co
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 Matsushita Refrigeration Co filed Critical Matsushita Refrigeration Co
Priority to JP12907576A priority Critical patent/JPS5354337A/ja
Publication of JPS5354337A publication Critical patent/JPS5354337A/ja
Publication of JPS5526392B2 publication Critical patent/JPS5526392B2/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

  • Defrosting Systems (AREA)
JP12907576A 1976-10-26 1976-10-26 Defrost controller Granted JPS5354337A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12907576A JPS5354337A (en) 1976-10-26 1976-10-26 Defrost controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12907576A JPS5354337A (en) 1976-10-26 1976-10-26 Defrost controller

Publications (2)

Publication Number Publication Date
JPS5354337A true JPS5354337A (en) 1978-05-17
JPS5526392B2 JPS5526392B2 (enrdf_load_stackoverflow) 1980-07-12

Family

ID=15000449

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12907576A Granted JPS5354337A (en) 1976-10-26 1976-10-26 Defrost controller

Country Status (1)

Country Link
JP (1) JPS5354337A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008232605A (ja) * 2007-02-19 2008-10-02 Mitsubishi Electric Corp 冷却装置及びそれを備えた冷蔵庫

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008232605A (ja) * 2007-02-19 2008-10-02 Mitsubishi Electric Corp 冷却装置及びそれを備えた冷蔵庫

Also Published As

Publication number Publication date
JPS5526392B2 (enrdf_load_stackoverflow) 1980-07-12

Similar Documents

Publication Publication Date Title
JPS534964A (en) Handler with visual sensor
JPS5341521A (en) Detection of broken glass filam ent yarns
JPS5414180A (en) Semiconductor laser unit
JPS52104256A (en) Thickness measuring device
JPS5354337A (en) Defrost controller
JPS536516A (en) Optical recording and reproducing unit
JPS51144657A (en) Photo-fiber device
GB8328383D0 (en) Controlling temperature with fiber optics
JPS5254689A (en) Heat sensitive system using transparent resin
JPS5342089A (en) Photoelectric detector
JPS51151159A (en) Measuring instrument
JPS5378853A (en) Light control element
JPS5443220A (en) Laser glass having optical length with little or no temperature dependency
JPS53135659A (en) Light attenuator
JPS53108445A (en) Preparation of glass for optical transmission wire
JPS5335242A (en) Air-conditioner
JPS52122494A (en) Display unit
JPS5378650A (en) Improvement of floor heating system
FR2410979A1 (fr) Objet decoratif notamment de parure tel qu'un bijou
JPS5374804A (en) Optical transmission system
JPS5343540A (en) Production of optical fiber
JPS5289849A (en) Automatic defroster of refrigerator
JPS5298526A (en) Spray type super-quick treatment
JPS5347047A (en) High-frequency heating device
JPS52146680A (en) Temperature measurement by infrared rays