GB163687A - Improvements in and relating to projection apparatus - Google Patents

Improvements in and relating to projection apparatus

Info

Publication number
GB163687A
GB163687A GB10088/21A GB1008821A GB163687A GB 163687 A GB163687 A GB 163687A GB 10088/21 A GB10088/21 A GB 10088/21A GB 1008821 A GB1008821 A GB 1008821A GB 163687 A GB163687 A GB 163687A
Authority
GB
United Kingdom
Prior art keywords
projection apparatus
relating
train
marzocchi
gearing
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
GB10088/21A
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
Publication of GB163687A publication Critical patent/GB163687A/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
    • G03B23/00—Devices for changing pictures in viewing apparatus or projectors
    • G03B23/08—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier
    • G03B23/12—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier linear strip carrier
    • G03B23/125—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier linear strip carrier the pictures being attached to a chain or linked up to form a chain

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)

Abstract

163,687. Marzocchi, L. May 17, 1920, [Convention date]. Void [Published under Sect. 91 of the Act]. Reel and web apparatus.-In an optical - projection apparatus the leaves or plates 7 bearing the pictures are mounted on bands or chains 2 which are actuated by a train of gearing, the last member 18 of the train being driven intermittingly by gear segments 17.
GB10088/21A 1920-05-17 1921-04-06 Improvements in and relating to projection apparatus Expired GB163687A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT163687X 1920-05-17

Publications (1)

Publication Number Publication Date
GB163687A true GB163687A (en) 1922-04-06

Family

ID=11148832

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10088/21A Expired GB163687A (en) 1920-05-17 1921-04-06 Improvements in and relating to projection apparatus

Country Status (1)

Country Link
GB (1) GB163687A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3799665A (en) * 1971-12-27 1974-03-26 G Frey Slide projector with non-slipping endless slide holder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3799665A (en) * 1971-12-27 1974-03-26 G Frey Slide projector with non-slipping endless slide holder

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