JPS5435796A - Frost detector - Google Patents

Frost detector

Info

Publication number
JPS5435796A
JPS5435796A JP10242077A JP10242077A JPS5435796A JP S5435796 A JPS5435796 A JP S5435796A JP 10242077 A JP10242077 A JP 10242077A JP 10242077 A JP10242077 A JP 10242077A JP S5435796 A JPS5435796 A JP S5435796A
Authority
JP
Japan
Prior art keywords
frost detector
frost
vibrator
molding
constituting
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.)
Pending
Application number
JP10242077A
Other languages
Japanese (ja)
Inventor
Akira Tokushima
Masao Kasahara
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 Electric Industrial Co Ltd
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 Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP10242077A priority Critical patent/JPS5435796A/en
Publication of JPS5435796A publication Critical patent/JPS5435796A/en
Pending legal-status Critical Current

Links

Landscapes

  • Geophysics And Detection Of Objects (AREA)
  • Defrosting Systems (AREA)

Abstract

PURPOSE: To detect the quantity of frost by constituting a vibrator with the tuning fork formed by molding a metal plate of thin thickness in frame shape and a piezoelectric element secured to the central part of the tongue piece thereof.
COPYRIGHT: (C)1979,JPO&Japio
JP10242077A 1977-08-25 1977-08-25 Frost detector Pending JPS5435796A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10242077A JPS5435796A (en) 1977-08-25 1977-08-25 Frost detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10242077A JPS5435796A (en) 1977-08-25 1977-08-25 Frost detector

Publications (1)

Publication Number Publication Date
JPS5435796A true JPS5435796A (en) 1979-03-16

Family

ID=14326946

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10242077A Pending JPS5435796A (en) 1977-08-25 1977-08-25 Frost detector

Country Status (1)

Country Link
JP (1) JPS5435796A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60118786U (en) * 1984-01-20 1985-08-10 株式会社村田製作所 Tuning fork vibrator for load detection device
JPS6227649A (en) * 1985-07-24 1987-02-05 クセルト　セントロ・ステユデイ・エ・ラボラトリ・テレコミニカチオ−ニ・エツセ・ピ−・ア− Method and device for measuring softening point of vitreous sample piece
WO2019087388A1 (en) * 2017-11-06 2019-05-09 三菱電機株式会社 Refrigeration cycle device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60118786U (en) * 1984-01-20 1985-08-10 株式会社村田製作所 Tuning fork vibrator for load detection device
JPH0318957Y2 (en) * 1984-01-20 1991-04-22
JPS6227649A (en) * 1985-07-24 1987-02-05 クセルト　セントロ・ステユデイ・エ・ラボラトリ・テレコミニカチオ−ニ・エツセ・ピ−・ア− Method and device for measuring softening point of vitreous sample piece
WO2019087388A1 (en) * 2017-11-06 2019-05-09 三菱電機株式会社 Refrigeration cycle device

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