JPS61107215A - 光減衰器 - Google Patents

光減衰器

Info

Publication number
JPS61107215A
JPS61107215A JP22872084A JP22872084A JPS61107215A JP S61107215 A JPS61107215 A JP S61107215A JP 22872084 A JP22872084 A JP 22872084A JP 22872084 A JP22872084 A JP 22872084A JP S61107215 A JPS61107215 A JP S61107215A
Authority
JP
Japan
Prior art keywords
plate
polarized light
polarizing film
optical attenuator
angle
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.)
Granted
Application number
JP22872084A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0557561B2 (https=
Inventor
Nobuhisa Asanuma
浅沼　信久
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.)
Toyo Communication Equipment Co Ltd
Original Assignee
Toyo Communication Equipment Co 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 Toyo Communication Equipment Co Ltd filed Critical Toyo Communication Equipment Co Ltd
Priority to JP22872084A priority Critical patent/JPS61107215A/ja
Publication of JPS61107215A publication Critical patent/JPS61107215A/ja
Publication of JPH0557561B2 publication Critical patent/JPH0557561B2/ja
Granted legal-status Critical Current

Links

JP22872084A 1984-10-30 1984-10-30 光減衰器 Granted JPS61107215A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22872084A JPS61107215A (ja) 1984-10-30 1984-10-30 光減衰器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22872084A JPS61107215A (ja) 1984-10-30 1984-10-30 光減衰器

Publications (2)

Publication Number Publication Date
JPS61107215A true JPS61107215A (ja) 1986-05-26
JPH0557561B2 JPH0557561B2 (https=) 1993-08-24

Family

ID=16880753

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22872084A Granted JPS61107215A (ja) 1984-10-30 1984-10-30 光減衰器

Country Status (1)

Country Link
JP (1) JPS61107215A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009237091A (ja) * 2008-03-26 2009-10-15 Seiko Epson Corp プロジェクタ
WO2012046323A1 (ja) * 2010-10-07 2012-04-12 株式会社光学技研 位相子

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS593403A (ja) * 1982-06-29 1984-01-10 Fujitsu Ltd 光制御機構

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS593403A (ja) * 1982-06-29 1984-01-10 Fujitsu Ltd 光制御機構

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009237091A (ja) * 2008-03-26 2009-10-15 Seiko Epson Corp プロジェクタ
WO2012046323A1 (ja) * 2010-10-07 2012-04-12 株式会社光学技研 位相子

Also Published As

Publication number Publication date
JPH0557561B2 (https=) 1993-08-24

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