JPH0526573Y2 - - Google Patents

Info

Publication number
JPH0526573Y2
JPH0526573Y2 JP1988062178U JP6217888U JPH0526573Y2 JP H0526573 Y2 JPH0526573 Y2 JP H0526573Y2 JP 1988062178 U JP1988062178 U JP 1988062178U JP 6217888 U JP6217888 U JP 6217888U JP H0526573 Y2 JPH0526573 Y2 JP H0526573Y2
Authority
JP
Japan
Prior art keywords
optical
switching
common port
channel
attenuator
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
JP1988062178U
Other languages
English (en)
Japanese (ja)
Other versions
JPH01133117U (enrdf_load_stackoverflow
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 filed Critical
Priority to JP1988062178U priority Critical patent/JPH0526573Y2/ja
Publication of JPH01133117U publication Critical patent/JPH01133117U/ja
Application granted granted Critical
Publication of JPH0526573Y2 publication Critical patent/JPH0526573Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP1988062178U 1987-10-09 1988-05-13 Expired - Lifetime JPH0526573Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988062178U JPH0526573Y2 (enrdf_load_stackoverflow) 1987-10-09 1988-05-13

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP15413787 1987-10-09
JP1988062178U JPH0526573Y2 (enrdf_load_stackoverflow) 1987-10-09 1988-05-13

Publications (2)

Publication Number Publication Date
JPH01133117U JPH01133117U (enrdf_load_stackoverflow) 1989-09-11
JPH0526573Y2 true JPH0526573Y2 (enrdf_load_stackoverflow) 1993-07-06

Family

ID=31718264

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988062178U Expired - Lifetime JPH0526573Y2 (enrdf_load_stackoverflow) 1987-10-09 1988-05-13

Country Status (1)

Country Link
JP (1) JPH0526573Y2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7298538B2 (en) * 2004-07-20 2007-11-20 Neptec Optical Solutions, Inc. Rotary optical switch

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS548455U (enrdf_load_stackoverflow) * 1977-06-20 1979-01-20
JPS56161501A (en) * 1980-05-19 1981-12-11 Fujitsu Ltd Light variable attenuator
JPS60111229A (ja) * 1983-11-21 1985-06-17 Kokusai Denshin Denwa Co Ltd <Kdd> 出力安定化光スイツチ
JPS60110820U (ja) * 1983-12-27 1985-07-27 日本電気株式会社 外部制御式可変光減衰器
JPS61186920A (ja) * 1985-02-15 1986-08-20 Anritsu Corp 光切換装置
JPS6211822A (ja) * 1985-07-09 1987-01-20 Hamamatsu Photonics Kk 光減衰装置

Also Published As

Publication number Publication date
JPH01133117U (enrdf_load_stackoverflow) 1989-09-11

Similar Documents

Publication Publication Date Title
US7196776B2 (en) Distance-measuring system
US7177015B2 (en) Distance-measuring device
JP3277776B2 (ja) 放射温度計の照準装置
US6787745B2 (en) Fiber optic signal detector with two switchable input channels
GB2286901A (en) Optical switching apparatus using movable retroreflector
EP3153879A1 (en) Electro-optical distance measuring instrument
EP1219973B1 (en) Optical Distance Measuring System
JP2001317938A (ja) 光波距離計を有する測量機
JP4236326B2 (ja) 自動測量機
US6333783B1 (en) Distance measuring system
US4538062A (en) Focusing detecting device with coaxial source and detector
US4650277A (en) Rotatable optical imaging device for aligning and switching between optical fibers
JPH0526573Y2 (enrdf_load_stackoverflow)
US6753951B2 (en) Focusing type distance measurement apparatus
US6469777B2 (en) Surveying instrument having an optical distance meter
US6906838B2 (en) Systems and methods for routing optical beams along optical paths using steerable mirrors
EP3267225A1 (en) Electro-optical distance meter
JP2003043382A (ja) 光マトリクススイッチ
JP4209029B2 (ja) 自動測量機の追尾装置
JPH055533Y2 (enrdf_load_stackoverflow)
JPS63225121A (ja) 自動視準式光波距離計
JP3192359B2 (ja) 空間光通信装置
US20030002034A1 (en) Multi position alignment system
JPH0358529B2 (enrdf_load_stackoverflow)
JPS60128330A (ja) 薄膜の屈折率測定装置