JPS51151143A - Optical filter device - Google Patents

Optical filter device

Info

Publication number
JPS51151143A
JPS51151143A JP50074410A JP7441075A JPS51151143A JP S51151143 A JPS51151143 A JP S51151143A JP 50074410 A JP50074410 A JP 50074410A JP 7441075 A JP7441075 A JP 7441075A JP S51151143 A JPS51151143 A JP S51151143A
Authority
JP
Japan
Prior art keywords
optical filter
filter device
exchange
easy
light weight
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
JP50074410A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5626025B2 (https=
Inventor
Isamu Terajima
Toshiro Tsubaki
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 JP50074410A priority Critical patent/JPS51151143A/ja
Publication of JPS51151143A publication Critical patent/JPS51151143A/ja
Publication of JPS5626025B2 publication Critical patent/JPS5626025B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Exposure Or Original Feeding In Electrophotography (AREA)
JP50074410A 1975-06-20 1975-06-20 Optical filter device Granted JPS51151143A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50074410A JPS51151143A (en) 1975-06-20 1975-06-20 Optical filter device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50074410A JPS51151143A (en) 1975-06-20 1975-06-20 Optical filter device

Publications (2)

Publication Number Publication Date
JPS51151143A true JPS51151143A (en) 1976-12-25
JPS5626025B2 JPS5626025B2 (https=) 1981-06-16

Family

ID=13546380

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50074410A Granted JPS51151143A (en) 1975-06-20 1975-06-20 Optical filter device

Country Status (1)

Country Link
JP (1) JPS51151143A (https=)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4954046A (https=) * 1972-08-01 1974-05-25
JPS5089046A (https=) * 1973-12-08 1975-07-17

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4954046A (https=) * 1972-08-01 1974-05-25
JPS5089046A (https=) * 1973-12-08 1975-07-17

Also Published As

Publication number Publication date
JPS5626025B2 (https=) 1981-06-16

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