GB191200505A - Improvements in and relating to Projection Lanterns and the like. - Google Patents

Improvements in and relating to Projection Lanterns and the like.

Info

Publication number
GB191200505A
GB191200505A GB191200505DA GB191200505A GB 191200505 A GB191200505 A GB 191200505A GB 191200505D A GB191200505D A GB 191200505DA GB 191200505 A GB191200505 A GB 191200505A
Authority
GB
United Kingdom
Prior art keywords
relating
projection
lanterns
projection lanterns
roffy
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
Inventor
Joseph Tizsa Roffy
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191200505A publication Critical patent/GB191200505A/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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/06—Projectors or projection-type viewers; Accessories therefor affording only episcopic projection

Abstract

505. Roffy, J. T. Jan. 6. Optical-projection apparatus. - Opaque objects 2 are projected on to walls &c. in the proper relation by means of two lenses 3, 5, as shown, and an intermediate mirror 4.
GB191200505D 1912-01-06 1912-01-06 Improvements in and relating to Projection Lanterns and the like. Expired GB191200505A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191200505T 1912-01-06

Publications (1)

Publication Number Publication Date
GB191200505A true GB191200505A (en) 1912-06-13

Family

ID=32367263

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191200505D Expired GB191200505A (en) 1912-01-06 1912-01-06 Improvements in and relating to Projection Lanterns and the like.

Country Status (1)

Country Link
GB (1) GB191200505A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2596393A (en) * 1949-05-23 1952-05-13 Gerald Harold G Fitz Attachment for opaque projection by transparency projectors
US2596394A (en) * 1949-05-23 1952-05-13 Gerald Harold G Fitz Opaque projector with light hood
US4912752A (en) * 1988-03-21 1990-03-27 Numa Corporation Optical projector for transparencies and opaques

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2596393A (en) * 1949-05-23 1952-05-13 Gerald Harold G Fitz Attachment for opaque projection by transparency projectors
US2596394A (en) * 1949-05-23 1952-05-13 Gerald Harold G Fitz Opaque projector with light hood
US4912752A (en) * 1988-03-21 1990-03-27 Numa Corporation Optical projector for transparencies and opaques

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