JPH0399331U - - Google Patents

Info

Publication number
JPH0399331U
JPH0399331U JP777690U JP777690U JPH0399331U JP H0399331 U JPH0399331 U JP H0399331U JP 777690 U JP777690 U JP 777690U JP 777690 U JP777690 U JP 777690U JP H0399331 U JPH0399331 U JP H0399331U
Authority
JP
Japan
Prior art keywords
detection circuit
switching means
crystal resonator
pressure
temperature detection
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
Application number
JP777690U
Other languages
Japanese (ja)
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 JP777690U priority Critical patent/JPH0399331U/ja
Publication of JPH0399331U publication Critical patent/JPH0399331U/ja
Pending legal-status Critical Current

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  • Measuring Fluid Pressure (AREA)

Description

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

第１図は本考案に従う水晶式気体測定器の回路
ブロツク図である。第２図及び、第３図は本考案
に用いた水晶振動子の共振インピーダンス〜圧力
特性図及び、共振インピーダンス〜温度特性図で
ある。第４図及び第５図は本考案に用いた水晶振
動子の共振周波数〜圧力特性図及び、共振周波数
〜温度特性図である。 １……発振回路、２……水晶振動子、３……Ｉ
／Ｖ変換器、４……切換手段、５……圧力検出回
路、６……温度検出回路、７……表示器。 FIG. 1 is a circuit block diagram of a crystal gas measuring instrument according to the present invention. FIG. 2 and FIG. 3 are a resonance impedance-pressure characteristic diagram and a resonance impedance-temperature characteristic diagram of the crystal resonator used in the present invention. FIGS. 4 and 5 are a resonant frequency-pressure characteristic diagram and a resonant frequency-temperature characteristic diagram of the crystal resonator used in the present invention. 1...Oscillation circuit, 2...Crystal resonator, 3...I
/V converter, 4... switching means, 5... pressure detection circuit, 6... temperature detection circuit, 7... indicator.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 水晶振動子を駆動する発振回路と、該水晶振動
子の出力信号を切換える切換手段と、該切換手段
の一方に接続された圧力検出回路と、他方に接続
された温度検出回路と、圧力及び温度を表示する
表示器とにより構成された水晶式気体測定器。 An oscillation circuit that drives a crystal resonator, a switching means that switches the output signal of the crystal resonator, a pressure detection circuit connected to one of the switching means, a temperature detection circuit connected to the other, and a pressure and temperature detection circuit. A crystal gas measuring instrument consisting of a display that displays
JP777690U 1990-01-30 1990-01-30 Pending JPH0399331U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP777690U JPH0399331U (en) 1990-01-30 1990-01-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP777690U JPH0399331U (en) 1990-01-30 1990-01-30

Publications (1)

Publication Number Publication Date
JPH0399331U true JPH0399331U (en) 1991-10-17

Family

ID=31511429

Family Applications (1)

Application Number Title Priority Date Filing Date
JP777690U Pending JPH0399331U (en) 1990-01-30 1990-01-30

Country Status (1)

Country Link
JP (1) JPH0399331U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002071500A (en) * 2000-08-30 2002-03-08 Anelva Corp A pressure measuring method and apparatus using a quartz oscillator.
JP2009525235A (en) * 2006-02-02 2009-07-09 コティー エス．エイ．エス． Container for pressurized spray container
JP4878033B2 (en) * 2004-12-09 2012-02-15 ウエラ ゲゼルシャフト ミット ベシュレンクテル ハフツング Cap for aerosol or spray containers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002071500A (en) * 2000-08-30 2002-03-08 Anelva Corp A pressure measuring method and apparatus using a quartz oscillator.
JP4878033B2 (en) * 2004-12-09 2012-02-15 ウエラ ゲゼルシャフト ミット ベシュレンクテル ハフツング Cap for aerosol or spray containers
JP2009525235A (en) * 2006-02-02 2009-07-09 コティー エス．エイ．エス． Container for pressurized spray container

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