JPS5315871A - Dew datector - Google Patents
Dew datectorInfo
- Publication number
- JPS5315871A JPS5315871A JP8986876A JP8986876A JPS5315871A JP S5315871 A JPS5315871 A JP S5315871A JP 8986876 A JP8986876 A JP 8986876A JP 8986876 A JP8986876 A JP 8986876A JP S5315871 A JPS5315871 A JP S5315871A
- Authority
- JP
- Japan
- Prior art keywords
- dew
- datector
- resonant frequency
- quartz oscillator
- 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
Links
Landscapes
- Control Of High-Frequency Heating Circuits (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
PURPOSE: To ensure the detecting operation by exciting a quartz oscillator of a sensor with the use of a voltage-controlled oscillator and by detecting the variation in the resonant frequency of the quartz oscillator due to dew formation to take out the signals corresponding to the resonant frequency as a dew signal.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8986876A JPS5315871A (en) | 1976-07-28 | 1976-07-28 | Dew datector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8986876A JPS5315871A (en) | 1976-07-28 | 1976-07-28 | Dew datector |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5315871A true JPS5315871A (en) | 1978-02-14 |
JPS6257937B2 JPS6257937B2 (en) | 1987-12-03 |
Family
ID=13982741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8986876A Granted JPS5315871A (en) | 1976-07-28 | 1976-07-28 | Dew datector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5315871A (en) |
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 JP8986876A patent/JPS5315871A/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 |
Also Published As
Publication number | Publication date |
---|---|
JPS6257937B2 (en) | 1987-12-03 |
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