JPS6235229U - - Google Patents
Info
- Publication number
- JPS6235229U JPS6235229U JP12796685U JP12796685U JPS6235229U JP S6235229 U JPS6235229 U JP S6235229U JP 12796685 U JP12796685 U JP 12796685U JP 12796685 U JP12796685 U JP 12796685U JP S6235229 U JPS6235229 U JP S6235229U
- Authority
- JP
- Japan
- Prior art keywords
- electronic scale
- input impedance
- high input
- piezoelectric element
- impedance circuit
- 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
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
Landscapes
- Networks Using Active Elements (AREA)
Description
第１図は本考案の電子秤のシステム回路図で、
第２図は第１図の回路におけるＦＥＴの出力電圧
波形図、第３図Ａ，Ｂは電子秤の検知素子、検知
部の構成図、第４図は従来の電子秤の回路構成を
示すブロツク図、第５図は検知素子の検知出力の
変化を示す図、第６図は電子秤のマイクロコンピ
ユータの動作を示すフローチヤート、第７図は第
４図の回路におけるＦＥＴの出力電圧波形図であ
る。
符号、３：圧電素子、４：ＦＥＴ、１４：ロー
パスフイルタ回路。
Figure 1 is a system circuit diagram of the electronic scale of the present invention.
Figure 2 is a diagram of the output voltage waveform of the FET in the circuit of Figure 1, Figures 3A and B are configuration diagrams of the detection element and detection section of the electronic scale, and Figure 4 is a block diagram showing the circuit configuration of a conventional electronic scale. Figure 5 is a diagram showing changes in the detection output of the detection element, Figure 6 is a flowchart showing the operation of the microcomputer of the electronic balance, and Figure 7 is a diagram of the output voltage waveform of the FET in the circuit of Figure 4. be. Symbol, 3: piezoelectric element, 4: FET, 14: low-pass filter circuit.
Claims (1)
路素子により重量を電気信号に変換して重量を測
定する電子秤において、 上記圧電素子と高入力インピーダンス回路素子
との間にローパスフイルタ回路を介入したことを
特徴とする電子秤。[Claims for Utility Model Registration] In an electronic scale that measures weight by converting weight into an electrical signal using a piezoelectric element and a high input impedance circuit element such as an FET, a low-pass filter is provided between the piezoelectric element and the high input impedance circuit element. An electronic scale characterized by intervening a filter circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12796685U JPS6235229U (en) | 1985-08-21 | 1985-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12796685U JPS6235229U (en) | 1985-08-21 | 1985-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6235229U true JPS6235229U (en) | 1987-03-02 |
Family
ID=31023208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12796685U Pending JPS6235229U (en) | 1985-08-21 | 1985-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6235229U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5926267U (en) * | 1983-02-24 | 1984-02-18 | 日本電気株式会社 | semiconductor equipment |
-
1985
- 1985-08-21 JP JP12796685U patent/JPS6235229U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5926267U (en) * | 1983-02-24 | 1984-02-18 | 日本電気株式会社 | semiconductor equipment |
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