JPS63153125U - - Google Patents
Info
- Publication number
- JPS63153125U JPS63153125U JP4651587U JP4651587U JPS63153125U JP S63153125 U JPS63153125 U JP S63153125U JP 4651587 U JP4651587 U JP 4651587U JP 4651587 U JP4651587 U JP 4651587U JP S63153125 U JPS63153125 U JP S63153125U
- Authority
- JP
- Japan
- Prior art keywords
- microcomputer
- ceramic piezoelectric
- hysteresis
- removal circuit
- measuring instrument
- 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
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
Description
第1図から第5図は自動肺活量計に適用した本
考案の1実施例を図示したものであり、第1図は
その構成ブロツク図、第2図はその動作例フロー
チヤート、第3図は呼気流速(量)トランジユー
サの構成例示図、第4図はセラミツク圧電体バイ
モルフ型特性例示図、第5図は肺活量に関するデ
ータメモリ構成例示図であり、第6図から第9図
は電子天びんに適用した本考案の他の1実施例を
図示したもので、第6図はその構成ブロツク図、
第7図と第8図は天びん構成例示図、第9図はセ
ラミツク圧電体バイモル型の特性例示図である。
1と11はセラミツク圧電体、2と12はスイ
ツチ、4と13はA/D変換器、5と16はコン
トローラないしマイクロコンピユータ、6と14
はヒステリシス除去回路である。
Figures 1 to 5 illustrate an embodiment of the present invention applied to an automatic spirometer; Figure 1 is a block diagram of its configuration, Figure 2 is a flowchart of an example of its operation, and Figure 3 is a flowchart of an example of its operation. FIG. 4 is a diagram illustrating the configuration of an expiratory flow rate (volume) transducer, FIG. 4 is a diagram illustrating ceramic piezoelectric bimorph type characteristics, FIG. 5 is a diagram illustrating a data memory configuration regarding vital capacity, and FIGS. 6 to 9 are applicable to electronic balances. FIG. 6 is a block diagram of another embodiment of the present invention, and FIG.
7 and 8 are diagrams illustrating the structure of the balance, and FIG. 9 is a diagram illustrating the characteristics of the ceramic piezoelectric bimol type. 1 and 11 are ceramic piezoelectric materials, 2 and 12 are switches, 4 and 13 are A/D converters, 5 and 16 are controllers or microcomputers, 6 and 14
is a hysteresis removal circuit.
Claims (1)
間に介挿されたスイツチと、マイクロコンピユー
タと、測定器と、ヒステリシス除去回路とを具備
し、スイツチが測定オン側に切換わると取り込ま
れた測定データがマイクロコンピユータを介して
測定器に表示される手段と、スイツチが測定オフ
側に切換わるとマイクロコンピユータを介してヒ
ステリシス除去回路によりセラミツク圧電体に減
圧印加しそのヒステリシスを除去する手段とを具
有していることを特徴とする、セラミツク圧電体
を利用した測定器。 It is equipped with a ceramic piezoelectric body, an A/D converter, a switch inserted between the two, a microcomputer, a measuring device, and a hysteresis removal circuit. A means for displaying measured data on the measuring instrument via a microcomputer, and a means for applying reduced pressure to the ceramic piezoelectric material by a hysteresis removal circuit via the microcomputer to remove the hysteresis when the switch is turned to the measurement off side. A measuring instrument using a ceramic piezoelectric material, characterized by comprising the following.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987046515U JPH0540421Y2 (en) | 1987-03-27 | 1987-03-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987046515U JPH0540421Y2 (en) | 1987-03-27 | 1987-03-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63153125U true JPS63153125U (en) | 1988-10-07 |
JPH0540421Y2 JPH0540421Y2 (en) | 1993-10-14 |
Family
ID=30866246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987046515U Expired - Lifetime JPH0540421Y2 (en) | 1987-03-27 | 1987-03-27 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0540421Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06160164A (en) * | 1990-05-16 | 1994-06-07 | Mettler Toledo Inc | Apparatus and method for weighing of compensation of hysteresis |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59111060U (en) * | 1983-01-17 | 1984-07-26 | 株式会社トーキン | piezoelectric bimorph element |
JPS59186380A (en) * | 1983-04-06 | 1984-10-23 | Japan Storage Battery Co Ltd | Control of microscopic displacement for bimorph type piezoelectric body displacement device |
-
1987
- 1987-03-27 JP JP1987046515U patent/JPH0540421Y2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59111060U (en) * | 1983-01-17 | 1984-07-26 | 株式会社トーキン | piezoelectric bimorph element |
JPS59186380A (en) * | 1983-04-06 | 1984-10-23 | Japan Storage Battery Co Ltd | Control of microscopic displacement for bimorph type piezoelectric body displacement device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06160164A (en) * | 1990-05-16 | 1994-06-07 | Mettler Toledo Inc | Apparatus and method for weighing of compensation of hysteresis |
Also Published As
Publication number | Publication date |
---|---|
JPH0540421Y2 (en) | 1993-10-14 |
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