FR2396987A1 - Multidirection, multi-slide projector - uses flat sheets of slides with movable carriages to place slides in optical light path - Google Patents

Multidirection, multi-slide projector - uses flat sheets of slides with movable carriages to place slides in optical light path

Info

Publication number
FR2396987A1
FR2396987A1 FR7720444A FR7720444A FR2396987A1 FR 2396987 A1 FR2396987 A1 FR 2396987A1 FR 7720444 A FR7720444 A FR 7720444A FR 7720444 A FR7720444 A FR 7720444A FR 2396987 A1 FR2396987 A1 FR 2396987A1
Authority
FR
France
Prior art keywords
slides
multidirection
carriages
light path
optical 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.)
Withdrawn
Application number
FR7720444A
Other languages
French (fr)
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
Priority to FR7720444A priority Critical patent/FR2396987A1/en
Publication of FR2396987A1 publication Critical patent/FR2396987A1/en
Withdrawn legal-status Critical Current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
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action
    • 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)
  • Projection Apparatus (AREA)

Abstract

The projector has one or several carriages which can be displaced in two opposite directions along the same longitudinal axis. Each carriage has a movable element which permit rows of slide frames placed on the upper parts of the carriages to be displaced in opposite directions and perpendicular to the carriages movement. The different movements of the carriage and movable element enables each slide to be placed opposite and in the ray emitted by the optical compartment (17) under the carriage. A mirror inclined at 45 deg. and placed at the end of the objective (19) pivots on its axis and sends projected images in different directions.
FR7720444A 1977-07-04 1977-07-04 Multidirection, multi-slide projector - uses flat sheets of slides with movable carriages to place slides in optical light path Withdrawn FR2396987A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7720444A FR2396987A1 (en) 1977-07-04 1977-07-04 Multidirection, multi-slide projector - uses flat sheets of slides with movable carriages to place slides in optical light path

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7720444A FR2396987A1 (en) 1977-07-04 1977-07-04 Multidirection, multi-slide projector - uses flat sheets of slides with movable carriages to place slides in optical light path

Publications (1)

Publication Number Publication Date
FR2396987A1 true FR2396987A1 (en) 1979-02-02

Family

ID=9192926

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7720444A Withdrawn FR2396987A1 (en) 1977-07-04 1977-07-04 Multidirection, multi-slide projector - uses flat sheets of slides with movable carriages to place slides in optical light path

Country Status (1)

Country Link
FR (1) FR2396987A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2454118A1 (en) * 1979-04-11 1980-11-07 Drwiega Bohdan APPARATUS FOR PROJECTING FRAMED SLIDES
EP0022909A1 (en) * 1979-07-20 1981-01-28 Rollei-Werke Franke & Heidecke GmbH + Co KG Slide projector with cross-fade facility
WO1985000436A1 (en) * 1983-07-04 1985-01-31 Bohdan Drwiega Slide projector and device for storing slides to be presented with the projector
US4707092A (en) * 1985-04-24 1987-11-17 D. O. Industries, Inc. Transparency transport system for overhead projector
US4715705A (en) * 1984-07-23 1987-12-29 Ingenjorsfirma B Nord Ab Method for presentation of information of a plurality of sheetshaped information carriers and a device for the accomplishment of the method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2454118A1 (en) * 1979-04-11 1980-11-07 Drwiega Bohdan APPARATUS FOR PROJECTING FRAMED SLIDES
EP0022909A1 (en) * 1979-07-20 1981-01-28 Rollei-Werke Franke & Heidecke GmbH + Co KG Slide projector with cross-fade facility
WO1985000436A1 (en) * 1983-07-04 1985-01-31 Bohdan Drwiega Slide projector and device for storing slides to be presented with the projector
US4715705A (en) * 1984-07-23 1987-12-29 Ingenjorsfirma B Nord Ab Method for presentation of information of a plurality of sheetshaped information carriers and a device for the accomplishment of the method
US4707092A (en) * 1985-04-24 1987-11-17 D. O. Industries, Inc. Transparency transport system for overhead projector

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Legal Events

Date Code Title Description
ST Notification of lapse