GB1364361A - Optical filters - Google Patents

Optical filters

Info

Publication number
GB1364361A
GB1364361A GB488172*[A GB488172A GB1364361A GB 1364361 A GB1364361 A GB 1364361A GB 488172 A GB488172 A GB 488172A GB 1364361 A GB1364361 A GB 1364361A
Authority
GB
United Kingdom
Prior art keywords
optical filters
filters
optical
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
Application number
GB488172*[A
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.)
Rank Organization Ltd
Original Assignee
Rank Organization 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 Rank Organization Ltd filed Critical Rank Organization Ltd
Priority to GB488172*[A priority Critical patent/GB1364361A/en
Priority to DE2300790A priority patent/DE2300790A1/en
Priority to DD168326A priority patent/DD102217A5/xx
Priority to FR7303343A priority patent/FR2170056A1/fr
Priority to JP48013012A priority patent/JPS4888947A/ja
Publication of GB1364361A publication Critical patent/GB1364361A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B33/00—Colour photography, other than mere exposure or projection of a colour film

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Filters (AREA)
  • Surface Treatment Of Optical Elements (AREA)
GB488172*[A 1972-02-02 1972-02-02 Optical filters Expired GB1364361A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB488172*[A GB1364361A (en) 1972-02-02 1972-02-02 Optical filters
DE2300790A DE2300790A1 (en) 1972-02-02 1973-01-08 COLOR CORRECTION FILTER
DD168326A DD102217A5 (en) 1972-02-02 1973-01-19
FR7303343A FR2170056A1 (en) 1972-02-02 1973-01-31
JP48013012A JPS4888947A (en) 1972-02-02 1973-02-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB488172*[A GB1364361A (en) 1972-02-02 1972-02-02 Optical filters

Publications (1)

Publication Number Publication Date
GB1364361A true GB1364361A (en) 1974-08-21

Family

ID=9785596

Family Applications (1)

Application Number Title Priority Date Filing Date
GB488172*[A Expired GB1364361A (en) 1972-02-02 1972-02-02 Optical filters

Country Status (5)

Country Link
JP (1) JPS4888947A (en)
DD (1) DD102217A5 (en)
DE (1) DE2300790A1 (en)
FR (1) FR2170056A1 (en)
GB (1) GB1364361A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4145113A (en) * 1977-08-05 1979-03-20 C. Reichert Optische Werke, Ag Color correcting interference filter
US7367691B2 (en) 2003-06-16 2008-05-06 Industrial Technology Research Institute Omnidirectional one-dimensional photonic crystal and light emitting device made from the same
DE102004002101A1 (en) * 2003-10-17 2005-05-25 Han Shin Company Ltd. Light emitting device uses omnidirectional reflector that receives secondary light and unconverted primary light from wavelength-converter connected to omnidirectional photonic crystal

Also Published As

Publication number Publication date
DE2300790A1 (en) 1973-08-09
FR2170056A1 (en) 1973-09-14
JPS4888947A (en) 1973-11-21
DD102217A5 (en) 1973-12-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees