FR684620A - Perfectionnements aux appareils de projection - Google Patents

Perfectionnements aux appareils de projection

Info

Publication number
FR684620A
FR684620A FR684620DA FR684620A FR 684620 A FR684620 A FR 684620A FR 684620D A FR684620D A FR 684620DA FR 684620 A FR684620 A FR 684620A
Authority
FR
France
Prior art keywords
projection devices
projection
devices
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
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.)
TRANS-LUX DAYLIGHT PICTURE SCREEN Corp
Trans Lux Daylight Picture Screen Corp
Original Assignee
TRANS-LUX DAYLIGHT PICTURE SCREEN Corp
Trans Lux Daylight Picture Screen Corp
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 TRANS-LUX DAYLIGHT PICTURE SCREEN Corp, Trans Lux Daylight Picture Screen Corp filed Critical TRANS-LUX DAYLIGHT PICTURE SCREEN Corp
Application granted granted Critical
Publication of FR684620A publication Critical patent/FR684620A/fr
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
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/08—Trick photography
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/04—Reversed telephoto objectives

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Lenses (AREA)
FR684620D 1928-11-01 1929-10-30 Perfectionnements aux appareils de projection Expired FR684620A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US316403A US2031361A (en) 1928-11-01 1928-11-01 Projection apparatus

Publications (1)

Publication Number Publication Date
FR684620A true FR684620A (fr) 1930-06-27

Family

ID=23228895

Family Applications (1)

Application Number Title Priority Date Filing Date
FR684620D Expired FR684620A (fr) 1928-11-01 1929-10-30 Perfectionnements aux appareils de projection

Country Status (4)

Country Link
US (1) US2031361A (fr)
DE (1) DE663912C (fr)
FR (1) FR684620A (fr)
GB (1) GB348123A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2779237A (en) * 1957-01-29 smith
US2745901A (en) * 1951-07-11 1956-05-15 Freeman H Owens Television apparatus and optical system
US3155813A (en) * 1962-02-23 1964-11-03 Little Inc A Mirror assembly for an arc imaging furnace
US3293807A (en) * 1963-05-13 1966-12-27 William H Ramsell Dual projection theater and console
US3499707A (en) * 1967-08-21 1970-03-10 Minnesota Mining & Mfg Photographic projection apparatus
US3535033A (en) * 1968-01-11 1970-10-20 Edwin Busch Multiple unit projection system
US3765756A (en) * 1970-08-14 1973-10-16 Honeywell Inc Slide projector
US3779636A (en) * 1970-08-14 1973-12-18 Honeywell Inc Slide projector
US3709589A (en) * 1970-12-28 1973-01-09 Smiths Industries Ltd Head-up display apparatus
US3841748A (en) * 1971-06-07 1974-10-15 Eastman Kodak Co Projector lap dissolve device
US4158491A (en) * 1977-12-14 1979-06-19 Bergen Expo Systems, Inc. Photographic film projection dissolve system for arc lamp projectors
US4231643A (en) * 1979-03-30 1980-11-04 Bergen Expo Systems, Inc. Photographic film projection dissolve system for arc lamp projectors

Also Published As

Publication number Publication date
US2031361A (en) 1936-02-18
DE663912C (de) 1938-08-17
GB348123A (en) 1931-05-01

Similar Documents

Publication Publication Date Title
FR678302A (fr) Perfectionnements aux appareils vibratoires
FR621205A (fr) Perfectionnements apportés aux appareils de projection cinématographique
FR612334A (fr) Perfectionnements apportés aux appareils de projection cinématographique
FR643277A (fr) Perfectionnements aux appareils deprojection
FR656619A (fr) Perfectionnements aux appareils duplicateurs
FR682194A (fr) Perfectionnements aux appareils pulvérisateurs
FR656824A (fr) Perfectionnements aux appareils de publicité
FR651851A (fr) Perfectionnements aux appareils de projection cinématographique
FR677221A (fr) Perfectionnements apportés aux appareils de projection cinématographique
FR649914A (fr) Perfectionnements apportés aux appareils de projection cinématographique
FR679298A (fr) Perfectionnements aux appareils de projection de pellicules
FR671616A (fr) Perfectionnements aux appareils frigorifiques
FR672568A (fr) Perfectionnements aux appareils de traçage géométrique
FR33497E (fr) Perfectionnements aux appareils cinématographiques
FR683580A (fr) Perfectionnements aux appareils périodiques
FR642422A (fr) Perfectionnements aux appareils de projections
FR39408E (fr) Perfectionnements aux appareils de projection
FR711571A (fr) Perfectionnements apportés aux appareils de projection
FR664881A (fr) Perfectionnements apportés aux appareils de photo-restitution
FR668702A (fr) Perfectionnements aux appareils de moulage
FR668445A (fr) Perfectionnements aux appareils de moulage
FR679538A (fr) Perfectionnements aux appareils de plongée
FR664083A (fr) Perfectionnements aux appareils de publicité
FR665140A (fr) Perfectionnements aux appareils de publicité
FR659932A (fr) Perfectionnements aux appareils de publicité