JPS59134030U - Temperature detection device using SAW oscillator - Google Patents
Temperature detection device using SAW oscillatorInfo
- Publication number
- JPS59134030U JPS59134030U JP2666783U JP2666783U JPS59134030U JP S59134030 U JPS59134030 U JP S59134030U JP 2666783 U JP2666783 U JP 2666783U JP 2666783 U JP2666783 U JP 2666783U JP S59134030 U JPS59134030 U JP S59134030U
- Authority
- JP
- Japan
- Prior art keywords
- detection device
- temperature detection
- saw oscillator
- circuit
- oscillation
- 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
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の実施例を示したブロック図である。図
において
１・・・・・・ＳＡＷ発振回路、２・・・・・・低域Ｐ
波器（ＬＰＦ ）、３・・・・・・帯域ろ波器（ＢＰＦ
）、４・・曲高域沖波器（ＨＰＦ）、５・・・・・・発
振周波数増幅回路、６・・・・・・整流回路、７・・・
・・・直流増幅回路、８・・・・・・スイッチング回路
である。FIG. 1 is a block diagram showing an embodiment of the present invention. In the figure, 1... SAW oscillation circuit, 2... Low frequency P
filter (LPF), 3...Band filter (BPF)
), 4... High frequency offshore wave filter (HPF), 5... Oscillation frequency amplification circuit, 6... Rectifier circuit, 7...
. . . DC amplifier circuit, 8 . . . Switching circuit.
Claims (1)
信号から所定温度範囲に対応する周波数を抽出するフィ
ルタ回路と、このフィルタ回路の出力を増幅し前記温度
範囲の周波数が出力されたとき検出信号として出力する
検出回路とを含むＳＡＷ発振器を用いた温度検出装置。An oscillation circuit using a SAW resonator, a filter circuit that extracts a frequency corresponding to a predetermined temperature range from the oscillation signal of this oscillation circuit, and amplification of the output of this filter circuit to detect when a frequency within the temperature range is output. A temperature detection device using a SAW oscillator including a detection circuit that outputs as a signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2666783U JPS59134030U (en) | 1983-02-25 | 1983-02-25 | Temperature detection device using SAW oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2666783U JPS59134030U (en) | 1983-02-25 | 1983-02-25 | Temperature detection device using SAW oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59134030U true JPS59134030U (en) | 1984-09-07 |
Family
ID=30157576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2666783U Pending JPS59134030U (en) | 1983-02-25 | 1983-02-25 | Temperature detection device using SAW oscillator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59134030U (en) |
-
1983
- 1983-02-25 JP JP2666783U patent/JPS59134030U/en active Pending
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