JPH0312694B2 - - Google Patents

Info

Publication number
JPH0312694B2
JPH0312694B2 JP58092725A JP9272583A JPH0312694B2 JP H0312694 B2 JPH0312694 B2 JP H0312694B2 JP 58092725 A JP58092725 A JP 58092725A JP 9272583 A JP9272583 A JP 9272583A JP H0312694 B2 JPH0312694 B2 JP H0312694B2
Authority
JP
Japan
Prior art keywords
light
housing
receiving element
emitting element
amount
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.)
Expired - Lifetime
Application number
JP58092725A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59217117A (ja
Inventor
Kazuhiko Inobe
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP58092725A priority Critical patent/JPS59217117A/ja
Publication of JPS59217117A publication Critical patent/JPS59217117A/ja
Publication of JPH0312694B2 publication Critical patent/JPH0312694B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
JP58092725A 1983-05-26 1983-05-26 液面検出装置 Granted JPS59217117A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58092725A JPS59217117A (ja) 1983-05-26 1983-05-26 液面検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58092725A JPS59217117A (ja) 1983-05-26 1983-05-26 液面検出装置

Publications (2)

Publication Number Publication Date
JPS59217117A JPS59217117A (ja) 1984-12-07
JPH0312694B2 true JPH0312694B2 (enExample) 1991-02-20

Family

ID=14062411

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58092725A Granted JPS59217117A (ja) 1983-05-26 1983-05-26 液面検出装置

Country Status (1)

Country Link
JP (1) JPS59217117A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61167821A (ja) * 1985-01-21 1986-07-29 Tomuko:Kk 液面検出装置
JP6542054B2 (ja) * 2015-07-16 2019-07-10 株式会社ディスコ 液量検出ユニット
CN114152311B (zh) * 2021-11-10 2025-09-30 中国航发南方工业有限公司 航空零件流通能力测量设备及其光感液位测量装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5824755Y2 (ja) * 1978-03-13 1983-05-27 麒麟麦酒株式会社 汚泥界面計
JPS57177132U (enExample) * 1981-05-06 1982-11-09

Also Published As

Publication number Publication date
JPS59217117A (ja) 1984-12-07

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