GB715614A - Improvements in or relating to optical projectors - Google Patents

Improvements in or relating to optical projectors

Info

Publication number
GB715614A
GB715614A GB618451A GB618451A GB715614A GB 715614 A GB715614 A GB 715614A GB 618451 A GB618451 A GB 618451A GB 618451 A GB618451 A GB 618451A GB 715614 A GB715614 A GB 715614A
Authority
GB
United Kingdom
Prior art keywords
mirror
relating
carriage
optical projectors
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
GB618451A
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.)
Charles Hugh Bell O B E
Original Assignee
Charles Hugh Bell O B E
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 Charles Hugh Bell O B E filed Critical Charles Hugh Bell O B E
Priority to GB618451A priority Critical patent/GB715614A/en
Publication of GB715614A publication Critical patent/GB715614A/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
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2046—Positional adjustment of light sources

Abstract

715,614. Mirror mountings for optical projectors. BELL, C. H. June 16,1952 [March 14, 1951], No. 6184/51. Class 97(1) The mirror in an optical projector is carried by at least three adjusting devices, preferably three equally spaced angularly about the axis, each having pivotal engagement with the mirror or its carriage, whereby the mirror may be adjusted angularly or axially. As shown, each of the three rods 19 is screw-threaded in the mounting 8 and has a ball end 22 held by a spring 26 in a socket in the carriage 14 for the mirror 13.
GB618451A 1951-03-14 1951-03-14 Improvements in or relating to optical projectors Expired GB715614A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB618451A GB715614A (en) 1951-03-14 1951-03-14 Improvements in or relating to optical projectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB618451A GB715614A (en) 1951-03-14 1951-03-14 Improvements in or relating to optical projectors

Publications (1)

Publication Number Publication Date
GB715614A true GB715614A (en) 1954-09-15

Family

ID=9809938

Family Applications (1)

Application Number Title Priority Date Filing Date
GB618451A Expired GB715614A (en) 1951-03-14 1951-03-14 Improvements in or relating to optical projectors

Country Status (1)

Country Link
GB (1) GB715614A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136145A (en) * 1983-03-03 1984-09-12 Nicolet Instrument Corp Adjustable mounting for an optical element
US9563035B2 (en) 2014-04-03 2017-02-07 Ikegps Group Limited Mirror mounting assembly for mounting a mirror in a laser rangefinder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136145A (en) * 1983-03-03 1984-09-12 Nicolet Instrument Corp Adjustable mounting for an optical element
US9563035B2 (en) 2014-04-03 2017-02-07 Ikegps Group Limited Mirror mounting assembly for mounting a mirror in a laser rangefinder

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