JPS528844A - Light fiber measuring device - Google Patents

Light fiber measuring device

Info

Publication number
JPS528844A
JPS528844A JP8447975A JP8447975A JPS528844A JP S528844 A JPS528844 A JP S528844A JP 8447975 A JP8447975 A JP 8447975A JP 8447975 A JP8447975 A JP 8447975A JP S528844 A JPS528844 A JP S528844A
Authority
JP
Japan
Prior art keywords
measuring device
light fiber
fiber measuring
light
measuring
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.)
Pending
Application number
JP8447975A
Other languages
Japanese (ja)
Inventor
Seiichi Onoda
Yoshiharu Yamada
Satoshi Aoki
Katsuki Tanaka
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8447975A priority Critical patent/JPS528844A/en
Publication of JPS528844A publication Critical patent/JPS528844A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To provide a method of measuring the lower wave of a single mode territory of the light fiber by utilizing light which has a variable wave length, and a deflecting plate.
COPYRIGHT: (C)1977,JPO&Japio
JP8447975A 1975-07-11 1975-07-11 Light fiber measuring device Pending JPS528844A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8447975A JPS528844A (en) 1975-07-11 1975-07-11 Light fiber measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8447975A JPS528844A (en) 1975-07-11 1975-07-11 Light fiber measuring device

Publications (1)

Publication Number Publication Date
JPS528844A true JPS528844A (en) 1977-01-24

Family

ID=13831768

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8447975A Pending JPS528844A (en) 1975-07-11 1975-07-11 Light fiber measuring device

Country Status (1)

Country Link
JP (1) JPS528844A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59114432A (en) * 1982-12-14 1984-07-02 クセルト セントロ・ステュディ・エ・ラボラトリ・テレコミニカチオ−ニ・エッセ・ピ−・ア− Method of measuring cutoff wavelength of primary and higher mode of optical fiber

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59114432A (en) * 1982-12-14 1984-07-02 クセルト セントロ・ステュディ・エ・ラボラトリ・テレコミニカチオ−ニ・エッセ・ピ−・ア− Method of measuring cutoff wavelength of primary and higher mode of optical fiber

Similar Documents

Publication Publication Date Title
JPS5241517A (en) Electronic musical instrument
JPS51126894A (en) Voltammetry apparatus
JPS5396703A (en) Voice input device
JPS528844A (en) Light fiber measuring device
JPS5214100A (en) Device for aiming
JPS522193A (en) Light warning device
JPS51126186A (en) Stress measurement method using liquid crystal
JPS5241543A (en) Electrooptical device
JPS52134148A (en) High frequency heating apparatus
JPS51127887A (en) Guide device for transportable heatsealers
JPS51140641A (en) Optical fiber variable attenuator
JPS5229348A (en) Umbrella
JPS5421976A (en) Liquid crystal material
JPS51142311A (en) Method for examining a visual function by leadinga visual line in an o phthalmological instrument
JPS525580A (en) Reversibee stop-watch
JPS5399635A (en) Apparatus for guiding wind direction
JPS5227280A (en) Method to form pinholes
JPS5420221A (en) Fuel injection device
JPS5249045A (en) Exciter
JPS51111366A (en) Effective value transformation apparatus
JPS51131964A (en) Filter device
JPS543061A (en) Beta-n-carbazolylethylmethacrylate
JPS53143079A (en) Drifts recoverying device
JPS51130044A (en) Door check device
JPS53129331A (en) Monitoring device and collective monitoring system of combustion apparatus