JPS5774619A - Liquid surface level detector - Google Patents

Liquid surface level detector

Info

Publication number
JPS5774619A
JPS5774619A JP15286380A JP15286380A JPS5774619A JP S5774619 A JPS5774619 A JP S5774619A JP 15286380 A JP15286380 A JP 15286380A JP 15286380 A JP15286380 A JP 15286380A JP S5774619 A JPS5774619 A JP S5774619A
Authority
JP
Japan
Prior art keywords
wall
liquid surface
reflection factor
long cylinder
light
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
JP15286380A
Other languages
English (en)
Other versions
JPS5938523B2 (ja
Inventor
Yasukuni Yamane
Nobutoshi Gako
Hidetaka Shintaku
Kazutada Azuma
Chuji Suzuki
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP15286380A priority Critical patent/JPS5938523B2/ja
Publication of JPS5774619A publication Critical patent/JPS5774619A/ja
Publication of JPS5938523B2 publication Critical patent/JPS5938523B2/ja
Expired 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
    • G01F23/30—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 floats
    • G01F23/64—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 floats of the free float type without mechanical transmission elements
    • G01F23/68—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 floats of the free float type without mechanical transmission elements using electrically actuated indicating means
    • G01F23/686—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 floats of the free float type without mechanical transmission elements using electrically actuated indicating means using opto-electrically actuated indicating means

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
  • Measurement Of Optical Distance (AREA)
  • Level Indicators Using A Float (AREA)
JP15286380A 1980-10-28 1980-10-28 液面レベル検出器 Expired JPS5938523B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15286380A JPS5938523B2 (ja) 1980-10-28 1980-10-28 液面レベル検出器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15286380A JPS5938523B2 (ja) 1980-10-28 1980-10-28 液面レベル検出器

Publications (2)

Publication Number Publication Date
JPS5774619A true JPS5774619A (en) 1982-05-10
JPS5938523B2 JPS5938523B2 (ja) 1984-09-18

Family

ID=15549761

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15286380A Expired JPS5938523B2 (ja) 1980-10-28 1980-10-28 液面レベル検出器

Country Status (1)

Country Link
JP (1) JPS5938523B2 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6805102B2 (ja) 2017-09-19 2020-12-23 株式会社東芝 二次電池用電極構造体、二次電池、電池パック及び車両
JP6783735B2 (ja) 2017-09-19 2020-11-11 株式会社東芝 リチウムイオン二次電池用の電極群、二次電池、電池パック及び車両

Also Published As

Publication number Publication date
JPS5938523B2 (ja) 1984-09-18

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