GB191403544A - Improvements relating to Optical Projection Apparatus. - Google Patents

Improvements relating to Optical Projection Apparatus.

Info

Publication number
GB191403544A
GB191403544A GB191403544DA GB191403544A GB 191403544 A GB191403544 A GB 191403544A GB 191403544D A GB191403544D A GB 191403544DA GB 191403544 A GB191403544 A GB 191403544A
Authority
GB
United Kingdom
Prior art keywords
objects
projection apparatus
liesegang
optical projection
improvements relating
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
Raphael Eduard Liesegang
James Liesegang
Franz Paul Liesegang
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 GB191403544A publication Critical patent/GB191403544A/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
    • G03B21/08—Projectors or projection-type viewers; Accessories therefor affording epidiascopic projection

Abstract

3544. Liesegang, R. E., Liesegang, J., and Liesegang, F. P. Feb. 11. Optical - projection apparatus. - Apparatus for showing both opaque and transparent objects comprises a casing divided into two parts A, L, the upper part A containing sources of light C set at an angle to illuminate objects from above, and the lower part containing means for illuminating transparent objects. A rotary carrier S<1> disposed . between the two parts A, L carries the objects. The top of the apparatus is provided with a projecting lens system and a mirror S for projecting the images of the objects illuminated.
GB191403544D 1914-02-11 1914-02-11 Improvements relating to Optical Projection Apparatus. Expired GB191403544A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191403544T 1914-02-11

Publications (1)

Publication Number Publication Date
GB191403544A true GB191403544A (en) 1915-07-29

Family

ID=32373804

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191403544D Expired GB191403544A (en) 1914-02-11 1914-02-11 Improvements relating to Optical Projection Apparatus.

Country Status (1)

Country Link
GB (1) GB191403544A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4343538A (en) * 1978-12-06 1982-08-10 Asthausbolagen Hb Astero & Stockhaus Projector
US4721380A (en) * 1985-02-22 1988-01-26 Constantin Systems, Inc. Portable opaque projector
USRE32648E (en) * 1982-04-07 1988-04-19 Constantin Systems, Inc. Opaque projector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4343538A (en) * 1978-12-06 1982-08-10 Asthausbolagen Hb Astero & Stockhaus Projector
USRE32648E (en) * 1982-04-07 1988-04-19 Constantin Systems, Inc. Opaque projector
US4721380A (en) * 1985-02-22 1988-01-26 Constantin Systems, Inc. Portable opaque projector

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