JPS6217173B2 - - Google Patents

Info

Publication number
JPS6217173B2
JPS6217173B2 JP11500580A JP11500580A JPS6217173B2 JP S6217173 B2 JPS6217173 B2 JP S6217173B2 JP 11500580 A JP11500580 A JP 11500580A JP 11500580 A JP11500580 A JP 11500580A JP S6217173 B2 JPS6217173 B2 JP S6217173B2
Authority
JP
Japan
Prior art keywords
optical fiber
light
sensor
core
cladding
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
Application number
JP11500580A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5739316A (en
Inventor
Naonari Sasano
Nobuo Kobata
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.)
SWCC Corp
Original Assignee
Showa Electric Wire and Cable Co
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 Showa Electric Wire and Cable Co filed Critical Showa Electric Wire and Cable Co
Priority to JP11500580A priority Critical patent/JPS5739316A/ja
Publication of JPS5739316A publication Critical patent/JPS5739316A/ja
Publication of JPS6217173B2 publication Critical patent/JPS6217173B2/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)
JP11500580A 1980-08-20 1980-08-20 Liquid level detecting sensor Granted JPS5739316A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11500580A JPS5739316A (en) 1980-08-20 1980-08-20 Liquid level detecting sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11500580A JPS5739316A (en) 1980-08-20 1980-08-20 Liquid level detecting sensor

Publications (2)

Publication Number Publication Date
JPS5739316A JPS5739316A (en) 1982-03-04
JPS6217173B2 true JPS6217173B2 (de) 1987-04-16

Family

ID=14651926

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11500580A Granted JPS5739316A (en) 1980-08-20 1980-08-20 Liquid level detecting sensor

Country Status (1)

Country Link
JP (1) JPS5739316A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5773628A (en) * 1980-10-27 1982-05-08 Showa Electric Wire & Cable Co Ltd Oil level detector
JPS59131027U (ja) * 1983-02-23 1984-09-03 昭和電線電纜株式会社 液体検出装置
JPS61191923A (ja) * 1985-02-20 1986-08-26 Nippon Kokan Kk <Nkk> ドライアツプ検知装置
JPS62160352U (de) * 1986-03-31 1987-10-12
JPH01138425A (ja) * 1988-07-29 1989-05-31 Showa Electric Wire & Cable Co Ltd 液体識別方法
JPH02218925A (ja) * 1989-02-20 1990-08-31 Fujikura Ltd 液面検知センサ

Also Published As

Publication number Publication date
JPS5739316A (en) 1982-03-04

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