JPS5669557A - Air flow switch using thermister - Google Patents
Air flow switch using thermisterInfo
- Publication number
- JPS5669557A JPS5669557A JP14495979A JP14495979A JPS5669557A JP S5669557 A JPS5669557 A JP S5669557A JP 14495979 A JP14495979 A JP 14495979A JP 14495979 A JP14495979 A JP 14495979A JP S5669557 A JPS5669557 A JP S5669557A
- Authority
- JP
- Japan
- Prior art keywords
- thermister
- wind
- air flow
- flow switch
- thermisters
- 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
Links
Abstract
PURPOSE: To detect the presence of wind with no adjustment by using a simple circuit by providing a heater resistance near to one of two thick film thermisters of the same rating.
CONSTITUTION: A heater resistance r5 near to thermister Th6 of thick film thermisters Th5, Th6 of the same rating is disposed, and the temperature of the thermister Th5 is raised. Then when wind is not present, a variable resistor Vr3 is adjusted to turn the transistor Tr3 on. When there exists wind, the transistors Tr3, Tr4 are turned off and the signal indicating whether wind exists or not is output from the output terminal C.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14495979A JPS5669557A (en) | 1979-11-10 | 1979-11-10 | Air flow switch using thermister |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14495979A JPS5669557A (en) | 1979-11-10 | 1979-11-10 | Air flow switch using thermister |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5669557A true JPS5669557A (en) | 1981-06-10 |
Family
ID=15374167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14495979A Pending JPS5669557A (en) | 1979-11-10 | 1979-11-10 | Air flow switch using thermister |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5669557A (en) |
-
1979
- 1979-11-10 JP JP14495979A patent/JPS5669557A/en active Pending
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