JPH0140948B2 - - Google Patents

Info

Publication number
JPH0140948B2
JPH0140948B2 JP57022583A JP2258382A JPH0140948B2 JP H0140948 B2 JPH0140948 B2 JP H0140948B2 JP 57022583 A JP57022583 A JP 57022583A JP 2258382 A JP2258382 A JP 2258382A JP H0140948 B2 JPH0140948 B2 JP H0140948B2
Authority
JP
Japan
Prior art keywords
measured
output
light
optical
divider
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
JP57022583A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58140624A (ja
Inventor
Yoshinao Iwamoto
Juichi Shirasaki
Masayuki Fujise
Kenichi Asakawa
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.)
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
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 Kokusai Denshin Denwa KK filed Critical Kokusai Denshin Denwa KK
Priority to JP2258382A priority Critical patent/JPS58140624A/ja
Publication of JPS58140624A publication Critical patent/JPS58140624A/ja
Publication of JPH0140948B2 publication Critical patent/JPH0140948B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/59—Transmissivity

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
JP2258382A 1982-02-17 1982-02-17 光損失変動量測定方式 Granted JPS58140624A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2258382A JPS58140624A (ja) 1982-02-17 1982-02-17 光損失変動量測定方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2258382A JPS58140624A (ja) 1982-02-17 1982-02-17 光損失変動量測定方式

Publications (2)

Publication Number Publication Date
JPS58140624A JPS58140624A (ja) 1983-08-20
JPH0140948B2 true JPH0140948B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-09-01

Family

ID=12086870

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2258382A Granted JPS58140624A (ja) 1982-02-17 1982-02-17 光損失変動量測定方式

Country Status (1)

Country Link
JP (1) JPS58140624A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002003564A1 (fr) * 2000-06-30 2002-01-10 Fujitsu Limited Procede d'analyse de perte de ligne de transmission, station asservie utilisant ce procede, station principale, et systeme de communication
JP4112882B2 (ja) * 2001-07-19 2008-07-02 株式会社日立メディコ 生体光計測装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3730627A (en) * 1971-09-22 1973-05-01 Damon Corp Signal processor
JPS5126080A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-08-27 1976-03-03 Sharp Kk

Also Published As

Publication number Publication date
JPS58140624A (ja) 1983-08-20

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