JPS603414U - Physical quantity conversion device - Google Patents
Physical quantity conversion deviceInfo
- Publication number
- JPS603414U JPS603414U JP9470083U JP9470083U JPS603414U JP S603414 U JPS603414 U JP S603414U JP 9470083 U JP9470083 U JP 9470083U JP 9470083 U JP9470083 U JP 9470083U JP S603414 U JPS603414 U JP S603414U
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- circuit
- signal
- capacitance
- physical quantity
- 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
- Arrangements For Transmission Of Measured Signals (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
- Transmission And Conversion Of Sensor Element Output (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図は温度補正信号発生回路を備えた従来の物理量変
換装置の回路図、第２図は第１図に示す装置の動作を説
明するための波形図、第３図は第１図に示す装置で用い
られる定価電流制限回路の具体例、第４図は本考案にお
ける温度補正信号発生回路の具体例、第５図は第４図に
示す回路の動作を説明するための波形図である。
■・・・検出器、ＣＨ９ＣＬ・・・可変静電容量、■・
・・検出回路、ＣＣ１・・・定値電流制限回路、■・・
・変換回路、■・・・温度補正信号発生回路、ＣＣ３・
・・定値電流制限回路、ＦＦ亡・フリップフロップ。Fig. 1 is a circuit diagram of a conventional physical quantity conversion device equipped with a temperature correction signal generation circuit, Fig. 2 is a waveform diagram for explaining the operation of the device shown in Fig. 1, and Fig. 3 is shown in Fig. 1. FIG. 4 is a specific example of the fixed price current limiting circuit used in the device, and FIG. 4 is a specific example of the temperature correction signal generating circuit according to the present invention. FIG. 5 is a waveform diagram for explaining the operation of the circuit shown in FIG. 4. ■...Detector, CH9CL...Variable capacitance, ■・
...Detection circuit, CC1... Constant value current limit circuit, ■...
・Conversion circuit, ■...Temperature correction signal generation circuit, CC3・
・・Constant current limit circuit, FF failure/flip-flop.
Claims (1)
第１、第２の可変容量素子と、これら容量素子に対して
定値電流制限回路を介して充放電を行いこれら容量素子
の容量値に関連したパルス信号を発生させ、これらパル
ス信号に基づきオンオフデユーティ比が上記容量値に関
連した主信号パルスを発生させる検出回路と、この主信
号パルスに基づき装置出力を発信する変換回路と、上記
検出回路の定価電流制限回路と同じ構成の定価電流制限
回路を含む一定時間幅パルス発生回路を用い、上記主信
号パルス又は上記容量素子の容量値′に関連したパルス
信号に基づき一定時間幅のパルス信号を発生させ、この
信号と上記主信号パルスとの演算により補正用の温度信
号を発生させる温度補正信号発生回路とを具備すること
を特徴とする物理量変換装置。A first and a second variable capacitance element whose capacitance value of at least one changes according to the large blade physical quantity, and these capacitance elements are charged and discharged via a constant value current limiting circuit and related to the capacitance value of these capacitance elements. a detection circuit that generates a main signal pulse whose on-off duty ratio is related to the capacitance value based on these pulse signals; a conversion circuit that transmits a device output based on the main signal pulse; A constant time width pulse generation circuit including a fixed price current limiting circuit having the same configuration as the fixed price current limiting circuit of the circuit is used to generate a fixed time width pulse signal based on the main signal pulse or a pulse signal related to the capacitance value of the capacitive element. 1. A physical quantity conversion device comprising a temperature correction signal generation circuit that generates a temperature signal for correction by calculating the signal and the main signal pulse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9470083U JPS603414U (en) | 1983-06-20 | 1983-06-20 | Physical quantity conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9470083U JPS603414U (en) | 1983-06-20 | 1983-06-20 | Physical quantity conversion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS603414U true JPS603414U (en) | 1985-01-11 |
| JPH0346332Y2 JPH0346332Y2 (en) | 1991-09-30 |
Family
ID=30226545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9470083U Granted JPS603414U (en) | 1983-06-20 | 1983-06-20 | Physical quantity conversion device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS603414U (en) |
-
1983
- 1983-06-20 JP JP9470083U patent/JPS603414U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0346332Y2 (en) | 1991-09-30 |
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