JPH0247559U - - Google Patents
Info
- Publication number
- JPH0247559U JPH0247559U JP12773788U JP12773788U JPH0247559U JP H0247559 U JPH0247559 U JP H0247559U JP 12773788 U JP12773788 U JP 12773788U JP 12773788 U JP12773788 U JP 12773788U JP H0247559 U JPH0247559 U JP H0247559U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- inverting amplifier
- sensing element
- output
- humidity detection
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Description
第１図は本考案の一実施例に係る湿度検知回路
を示す構成図、第２図は従来例に係る湿度検知回
路を示す構成図である。
１…発振回路、３…反転増幅回路、４…インピ
ーダンス変化型感湿素子、５…温度補償用感温素
子、６…抵抗ループ回路。
FIG. 1 is a block diagram showing a humidity detection circuit according to an embodiment of the present invention, and FIG. 2 is a block diagram showing a humidity detection circuit according to a conventional example. DESCRIPTION OF SYMBOLS 1... Oscillator circuit, 3... Inverting amplifier circuit, 4... Impedance change type moisture sensing element, 5... Temperature sensing element for temperature compensation, 6... Resistance loop circuit.
Claims (1)
回路の出力に接続した反転増幅回路と、この反転
増幅回路の入力と出力間に接続したインピーダン
ス変化型感湿素子及び感温素子を含む抵抗ループ
回路とを具備したことを特徴とする湿度検知回路
。 An oscillation circuit configured with an inverting amplifier, an inverting amplifier circuit connected to the output of this oscillating circuit, and a resistance loop circuit including an impedance variable moisture sensing element and a temperature sensing element connected between the input and output of this inverting amplifier circuit. A humidity detection circuit characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12773788U JPH0247559U (en) | 1988-09-28 | 1988-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12773788U JPH0247559U (en) | 1988-09-28 | 1988-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0247559U true JPH0247559U (en) | 1990-03-30 |
Family
ID=31380433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12773788U Pending JPH0247559U (en) | 1988-09-28 | 1988-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247559U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61226651A (en) * | 1985-03-29 | 1986-10-08 | ハネウエル・インコーポレーテツド | Control circuit for enthalpy response device |
-
1988
- 1988-09-28 JP JP12773788U patent/JPH0247559U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61226651A (en) * | 1985-03-29 | 1986-10-08 | ハネウエル・インコーポレーテツド | Control circuit for enthalpy response device |
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