JPS5315873A - Dew detector - Google Patents
Dew detectorInfo
- Publication number
- JPS5315873A JPS5315873A JP8987076A JP8987076A JPS5315873A JP S5315873 A JPS5315873 A JP S5315873A JP 8987076 A JP8987076 A JP 8987076A JP 8987076 A JP8987076 A JP 8987076A JP S5315873 A JPS5315873 A JP S5315873A
- Authority
- JP
- Japan
- Prior art keywords
- dew
- frost
- quartz oscillator
- dew detector
- detector
- 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
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
PURPOSE: To judge dew and frost by measuring the variation in the resonant frequency of a quartz oscillator due to dew formation to obtain a dew signal and by detecting that the resonant impedance of the quartz oscillator is different for dew and frost.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8987076A JPS5315873A (en) | 1976-07-28 | 1976-07-28 | Dew detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8987076A JPS5315873A (en) | 1976-07-28 | 1976-07-28 | Dew detector |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5315873A true JPS5315873A (en) | 1978-02-14 |
JPS5724500B2 JPS5724500B2 (en) | 1982-05-25 |
Family
ID=13982794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8987076A Granted JPS5315873A (en) | 1976-07-28 | 1976-07-28 | Dew detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5315873A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5940141A (en) * | 1982-07-21 | 1984-03-05 | ネーデルランドス・オルガニサチエ・ボール・トエゲパスト・ナツールブエテンシヤペリイク・オンデルゾエク・テイ・エヌ・オー | Detector for adhesion of ice, etc. |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3501695A (en) * | 1965-04-08 | 1970-03-17 | Ericsson Telefon Ab L M | Resonance measuring apparatus utilizing the sideband signals of an fm-test signal for feedback control |
-
1976
- 1976-07-28 JP JP8987076A patent/JPS5315873A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3501695A (en) * | 1965-04-08 | 1970-03-17 | Ericsson Telefon Ab L M | Resonance measuring apparatus utilizing the sideband signals of an fm-test signal for feedback control |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5940141A (en) * | 1982-07-21 | 1984-03-05 | ネーデルランドス・オルガニサチエ・ボール・トエゲパスト・ナツールブエテンシヤペリイク・オンデルゾエク・テイ・エヌ・オー | Detector for adhesion of ice, etc. |
JPH044542B2 (en) * | 1982-07-21 | 1992-01-28 |
Also Published As
Publication number | Publication date |
---|---|
JPS5724500B2 (en) | 1982-05-25 |
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