JPS6230126U - - Google Patents
Info
- Publication number
- JPS6230126U JPS6230126U JP12184185U JP12184185U JPS6230126U JP S6230126 U JPS6230126 U JP S6230126U JP 12184185 U JP12184185 U JP 12184185U JP 12184185 U JP12184185 U JP 12184185U JP S6230126 U JPS6230126 U JP S6230126U
- Authority
- JP
- Japan
- Prior art keywords
- operational amplifier
- capacitance sensor
- integrating
- amplifier
- integrating capacitor
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
Landscapes
- Measurement Of Force In General (AREA)
Description
図面は本考案の実施例を示すもので、第１図は
計量機構の電気転換説明図、第２図は重量検出部
の作動を説明する回路図、第３図は本考案の動作
を示す波形説明図である。
１……ロバーバル機構、３……静電容量センサ
ー、４……平行平板電極、５……秤量物、６……
演算増幅器、７……シユミツト回路、Ａ１，Ａ２
……直流増幅器、Ｃ１……積分用コンデンサー、
Ｒ１……積分用抵抗、Ｒｓ……可変抵抗器。
The drawings show an embodiment of the present invention; Fig. 1 is an illustration of the electrical conversion of the weighing mechanism, Fig. 2 is a circuit diagram illustrating the operation of the weight detection section, and Fig. 3 is a waveform showing the operation of the present invention. It is an explanatory diagram. 1... Roberval mechanism, 3... Capacitance sensor, 4... Parallel plate electrode, 5... Weighing object, 6...
Operational amplifier, 7... Schmitt circuit, A 1 , A 2
...DC amplifier, C1 ...integration capacitor,
R1 ... Integrating resistance, Rs... Variable resistor.
Claims (1)
に平行平板電極からなる静電容量センサーを応動
する様組合せ、これに前記静電容量センサーを積
分用コンデンサーとして使い、且つ積分用抵抗並
びに演算増幅器を結線して積分器を構成せしめる
と共に前記演算増幅器と積分用コンデンサーの中
点に直流増幅器並びに可変抵抗器を直列に結線し
てシユミツト回路を構成せしめた電子秤の重量検
出部感度調整装置。 A capacitance sensor consisting of parallel plate electrodes is combined in response to a roberval mechanism that operates according to the weight of the object to be weighed, the capacitance sensor is used as an integrating capacitor, and an integrating resistor and an operational amplifier are connected to this. An apparatus for adjusting the sensitivity of a weight detection section of an electronic scale, comprising: an integrator configured by the above-mentioned operational amplifier, and a DC amplifier and a variable resistor connected in series to the midpoint between the operational amplifier and the integrating capacitor to configure a Schmitt circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12184185U JPS6230126U (en) | 1985-08-07 | 1985-08-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12184185U JPS6230126U (en) | 1985-08-07 | 1985-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6230126U true JPS6230126U (en) | 1987-02-23 |
Family
ID=31011478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12184185U Pending JPS6230126U (en) | 1985-08-07 | 1985-08-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6230126U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53126964A (en) * | 1977-04-12 | 1978-11-06 | Tanita Seisakusho Kk | Controlling circuit in digital body weight meter |
-
1985
- 1985-08-07 JP JP12184185U patent/JPS6230126U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53126964A (en) * | 1977-04-12 | 1978-11-06 | Tanita Seisakusho Kk | Controlling circuit in digital body weight meter |
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