JPS51140641A - Optical fiber variable attenuator - Google Patents

Optical fiber variable attenuator

Info

Publication number
JPS51140641A
JPS51140641A JP50064036A JP6403675A JPS51140641A JP S51140641 A JPS51140641 A JP S51140641A JP 50064036 A JP50064036 A JP 50064036A JP 6403675 A JP6403675 A JP 6403675A JP S51140641 A JPS51140641 A JP S51140641A
Authority
JP
Japan
Prior art keywords
optical fiber
variable attenuator
fiber variable
attenuator
rigidness
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
JP50064036A
Other languages
Japanese (ja)
Inventor
Iwao Hatakeyama
Haruhiko Tsuchiya
Hiroshi Nakagome
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP50064036A priority Critical patent/JPS51140641A/en
Publication of JPS51140641A publication Critical patent/JPS51140641A/en
Pending legal-status Critical Current

Links

Landscapes

  • Liquid Crystal (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Non-Reversible Transmitting Devices (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

PURPOSE: To make an optical fiber compact and improve its accuracy, maneuverability and rigidness.
COPYRIGHT: (C)1976,JPO&Japio
JP50064036A 1975-05-30 1975-05-30 Optical fiber variable attenuator Pending JPS51140641A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50064036A JPS51140641A (en) 1975-05-30 1975-05-30 Optical fiber variable attenuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50064036A JPS51140641A (en) 1975-05-30 1975-05-30 Optical fiber variable attenuator

Publications (1)

Publication Number Publication Date
JPS51140641A true JPS51140641A (en) 1976-12-03

Family

ID=13246479

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50064036A Pending JPS51140641A (en) 1975-05-30 1975-05-30 Optical fiber variable attenuator

Country Status (1)

Country Link
JP (1) JPS51140641A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55164810A (en) * 1979-06-11 1980-12-22 Matsushita Electric Ind Co Ltd Light modulator
JPS59172626A (en) * 1983-03-23 1984-09-29 Yagi Antenna Co Ltd Spatial optical modulator
JPH0251319U (en) * 1989-09-21 1990-04-11

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3741629A (en) * 1971-10-26 1973-06-26 Bell Telephone Labor Inc Electronically variable iris or stop mechanisms
JPS4944418A (en) * 1972-07-25 1974-04-26
JPS4984257A (en) * 1972-12-16 1974-08-13
JPS4998846A (en) * 1973-01-13 1974-09-18

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3741629A (en) * 1971-10-26 1973-06-26 Bell Telephone Labor Inc Electronically variable iris or stop mechanisms
JPS4944418A (en) * 1972-07-25 1974-04-26
JPS4984257A (en) * 1972-12-16 1974-08-13
JPS4998846A (en) * 1973-01-13 1974-09-18

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55164810A (en) * 1979-06-11 1980-12-22 Matsushita Electric Ind Co Ltd Light modulator
JPS59172626A (en) * 1983-03-23 1984-09-29 Yagi Antenna Co Ltd Spatial optical modulator
JPH0251319U (en) * 1989-09-21 1990-04-11

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