GB1532689A - Optical projector - Google Patents

Optical projector

Info

Publication number
GB1532689A
GB1532689A GB24031/76A GB2403176A GB1532689A GB 1532689 A GB1532689 A GB 1532689A GB 24031/76 A GB24031/76 A GB 24031/76A GB 2403176 A GB2403176 A GB 2403176A GB 1532689 A GB1532689 A GB 1532689A
Authority
GB
United Kingdom
Prior art keywords
magazine
projection
projections
moved
indexing
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
GB24031/76A
Other languages
English (en)
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.)
Rollei Werke Franke und Heidecke GmbH and Co KG
Original Assignee
Rollei Werke Franke und Heidecke GmbH and Co KG
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 Rollei Werke Franke und Heidecke GmbH and Co KG filed Critical Rollei Werke Franke und Heidecke GmbH and Co KG
Publication of GB1532689A publication Critical patent/GB1532689A/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
    • G03B23/18—Devices for changing pictures in viewing apparatus or projectors with fade-in and fade-out effects
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18416—Rotary to alternating rotary
    • Y10T74/18464—Reciprocating rack connections
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/1987—Rotary bodies
    • Y10T74/19879—Geneva

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Automatic Disk Changers (AREA)
GB24031/76A 1975-09-24 1976-06-10 Optical projector Expired GB1532689A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2542484A DE2542484C3 (de) 1975-09-24 1975-09-24 Dia-Doppelprojektor

Publications (1)

Publication Number Publication Date
GB1532689A true GB1532689A (en) 1978-11-22

Family

ID=5957221

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24031/76A Expired GB1532689A (en) 1975-09-24 1976-06-10 Optical projector

Country Status (4)

Country Link
US (1) US4063465A (https=)
DE (1) DE2542484C3 (https=)
FR (1) FR2325959A1 (https=)
GB (1) GB1532689A (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3004026C2 (de) * 1980-02-05 1983-05-26 Rollei Fototechnic GmbH, 3300 Braunschweig Einrichtung zur Vereinfachung der Bedienung von Überblendprojektoren mit einem Magazin
DE3912815A1 (de) * 1989-04-19 1990-10-25 Leica Gmbh Diaprojektor fuer laengsmagazine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3159933A (en) * 1961-05-15 1964-12-08 Leitz Ernst Gmbh Slide projector
US3121368A (en) * 1961-03-16 1964-02-18 Bell & Howell Co Slide projector
FR1299334A (fr) * 1961-09-04 1962-07-20 Leitz Ernst Gmbh Dispositif automatique de changement de cliché
US3194115A (en) * 1962-07-26 1965-07-13 Realist Dual slide projector with a single magazine
FR1519086A (fr) * 1967-04-13 1968-03-29 Meopta Narodni Podnik Procédé et dispositif pour le changement automatique des vues dans des projecteurs à deux objectifs
US3542464A (en) * 1968-04-19 1970-11-24 Panayotis Constantine Dimitrac Compact automatic slide projector
USRE27503E (en) * 1968-12-27 1972-10-10 Slide projector
US3606526A (en) * 1970-03-13 1971-09-20 Logetronics Inc Indexing drive mechanism
DE2123841A1 (de) * 1970-05-14 1971-12-09 Eastman Kodak Co Dia Projektor
AR199696A1 (es) * 1972-12-06 1974-09-23 Rollei Werke Franke Heidecke Un proyector de diapositivas fotograficas
US3884569A (en) * 1973-05-29 1975-05-20 Singer Co Slide tray and slide positioning mechanism for a rear-screen projector

Also Published As

Publication number Publication date
DE2542484A1 (de) 1977-04-14
DE2542484C3 (de) 1978-09-14
FR2325959B1 (https=) 1981-08-07
DE2542484B2 (de) 1978-01-19
US4063465A (en) 1977-12-20
FR2325959A1 (fr) 1977-04-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee