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
Application number
JP4651587U
Other languages
Japanese (ja)
Other versions
JPH0540421Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1987046515U priority Critical patent/JPH0540421Y2/ja
Publication of JPS63153125U publication Critical patent/JPS63153125U/ja
Application granted granted Critical
Publication of JPH0540421Y2 publication Critical patent/JPH0540421Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] セラミツク圧電体と、Ａ／Ｄ変換器と、前二者
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.
JP1987046515U 1987-03-27 1987-03-27 Expired - Lifetime JPH0540421Y2 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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