JPS60201225A - 気体圧力計 - Google Patents

気体圧力計

Info

Publication number
JPS60201225A
JPS60201225A JP5803284A JP5803284A JPS60201225A JP S60201225 A JPS60201225 A JP S60201225A JP 5803284 A JP5803284 A JP 5803284A JP 5803284 A JP5803284 A JP 5803284A JP S60201225 A JPS60201225 A JP S60201225A
Authority
JP
Japan
Prior art keywords
voltage
piezoelectric vibrator
control circuit
frequency
output
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
JP5803284A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0374780B2 (en]
Inventor
Hideaki Kyogoku
京極　英明
Fujio Tamura
田村　富士夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 by Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP5803284A priority Critical patent/JPS60201225A/ja
Priority to DE8585301893T priority patent/DE3583055D1/de
Priority to EP85301893A priority patent/EP0157533B1/en
Priority to US06/715,496 priority patent/US4597288A/en
Publication of JPS60201225A publication Critical patent/JPS60201225A/ja
Publication of JPH0374780B2 publication Critical patent/JPH0374780B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
    • G01L9/0022—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a piezoelectric element

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
JP5803284A 1984-03-26 1984-03-26 気体圧力計 Granted JPS60201225A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP5803284A JPS60201225A (ja) 1984-03-26 1984-03-26 気体圧力計
DE8585301893T DE3583055D1 (de) 1984-03-26 1985-03-19 Druckmessgeraet, z.b. ein barometer.
EP85301893A EP0157533B1 (en) 1984-03-26 1985-03-19 Pressure measuring apparatus, e.g. a barometer
US06/715,496 US4597288A (en) 1984-03-26 1985-03-25 Barometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5803284A JPS60201225A (ja) 1984-03-26 1984-03-26 気体圧力計

Publications (2)

Publication Number Publication Date
JPS60201225A true JPS60201225A (ja) 1985-10-11
JPH0374780B2 JPH0374780B2 (en]) 1991-11-28

Family

ID=13072602

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5803284A Granted JPS60201225A (ja) 1984-03-26 1984-03-26 気体圧力計

Country Status (1)

Country Link
JP (1) JPS60201225A (en])

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6110735A (ja) * 1984-06-25 1986-01-18 Seiko Instr & Electronics Ltd 気体圧力計
WO2013111785A1 (ja) * 2012-01-23 2013-08-01 上田日本無線株式会社 動物の呼吸及び／又は心拍の変動を監視する方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6110735A (ja) * 1984-06-25 1986-01-18 Seiko Instr & Electronics Ltd 気体圧力計
WO2013111785A1 (ja) * 2012-01-23 2013-08-01 上田日本無線株式会社 動物の呼吸及び／又は心拍の変動を監視する方法
JPWO2013111785A1 (ja) * 2012-01-23 2015-05-11 トヨタ自動車株式会社 動物の呼吸及び／又は心拍の変動を監視する装置及び方法

Also Published As

Publication number Publication date
JPH0374780B2 (en]) 1991-11-28

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