GB2092765B - Light mixing - Google Patents

Light mixing

Info

Publication number
GB2092765B
GB2092765B GB8202773A GB8202773A GB2092765B GB 2092765 B GB2092765 B GB 2092765B GB 8202773 A GB8202773 A GB 8202773A GB 8202773 A GB8202773 A GB 8202773A GB 2092765 B GB2092765 B GB 2092765B
Authority
GB
United Kingdom
Prior art keywords
light mixing
mixing
light
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
GB8202773A
Other versions
GB2092765A (en
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Priority to GB8202773A priority Critical patent/GB2092765B/en
Publication of GB2092765A publication Critical patent/GB2092765A/en
Application granted granted Critical
Publication of GB2092765B publication Critical patent/GB2092765B/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
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/54—Lamp housings; Illuminating means
    • G03B27/545—Lamp housings; Illuminating means for enlargers
    • G03B27/547—Lamp housings; Illuminating means for enlargers colour mixing heads
GB8202773A 1981-02-02 1982-02-01 Light mixing Expired GB2092765B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8202773A GB2092765B (en) 1981-02-02 1982-02-01 Light mixing

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8103075 1981-02-02
GB8202773A GB2092765B (en) 1981-02-02 1982-02-01 Light mixing

Publications (2)

Publication Number Publication Date
GB2092765A GB2092765A (en) 1982-08-18
GB2092765B true GB2092765B (en) 1984-11-14

Family

ID=26278299

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8202773A Expired GB2092765B (en) 1981-02-02 1982-02-01 Light mixing

Country Status (1)

Country Link
GB (1) GB2092765B (en)

Also Published As

Publication number Publication date
GB2092765A (en) 1982-08-18

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)

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PCNP Patent ceased through non-payment of renewal fee