IT1088169B - PROJECTOR - Google Patents

PROJECTOR

Info

Publication number
IT1088169B
IT1088169B IT29207/77A IT2920777A IT1088169B IT 1088169 B IT1088169 B IT 1088169B IT 29207/77 A IT29207/77 A IT 29207/77A IT 2920777 A IT2920777 A IT 2920777A IT 1088169 B IT1088169 B IT 1088169B
Authority
IT
Italy
Prior art keywords
projector
Prior art date
Application number
IT29207/77A
Other languages
Italian (it)
Original Assignee
Fives Cail Babcock
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 Fives Cail Babcock filed Critical Fives Cail Babcock
Application granted granted Critical
Publication of IT1088169B publication Critical patent/IT1088169B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/16—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed
    • F21V11/18—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed movable, e.g. flaps, slides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/006—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base
    • F21V19/0065—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base at least one conductive element acting as a support means, e.g. spring-mounted contact plate in a bayonet base
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V31/00—Gas-tight or water-tight arrangements
    • 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
    • G03B21/16—Cooling; Preventing overheating
    • 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
IT29207/77A 1976-11-10 1977-10-31 PROJECTOR IT1088169B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7633830A FR2370922A1 (en) 1976-11-10 1976-11-10 Film projector lamp - has hemispherical and cylindrical cap at ends and spring between them permitting axial adjustment

Publications (1)

Publication Number Publication Date
IT1088169B true IT1088169B (en) 1985-06-10

Family

ID=9179733

Family Applications (3)

Application Number Title Priority Date Filing Date
IT29200/77A IT1088024B (en) 1976-11-10 1977-10-31 PROJECTOR BEING A MOBILE OCCULTATOR SLEEVE
IT29190/77A IT1088221B (en) 1976-11-10 1977-10-31 PROJECTION LAMP AND DEVICE FOR HANDLING AND ASSEMBLING SUCH LAMP
IT29207/77A IT1088169B (en) 1976-11-10 1977-10-31 PROJECTOR

Family Applications Before (2)

Application Number Title Priority Date Filing Date
IT29200/77A IT1088024B (en) 1976-11-10 1977-10-31 PROJECTOR BEING A MOBILE OCCULTATOR SLEEVE
IT29190/77A IT1088221B (en) 1976-11-10 1977-10-31 PROJECTION LAMP AND DEVICE FOR HANDLING AND ASSEMBLING SUCH LAMP

Country Status (6)

Country Link
BE (3) BE860008A (en)
DE (3) DE2749942A1 (en)
FR (1) FR2370922A1 (en)
IL (3) IL53329A (en)
IT (3) IT1088024B (en)
NL (3) NL184805C (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2917745A1 (en) * 1979-05-02 1980-11-13 Arnold & Richter Kg Halogen-metal vapour gas discharge lamp - has cap designed to safeguard properly orientated mounting of lamp and is used for daylight searchlight(s)
DE3207926A1 (en) * 1982-03-05 1983-09-15 Leybold-Heraeus GmbH, 5000 Köln Experiment light
US4510558A (en) * 1983-02-21 1985-04-09 U.S. Philips Corporation Device for producing and projecting light
US4623795A (en) * 1984-05-24 1986-11-18 Penn-Med Technology, Inc. Irradiating device
DE3628088A1 (en) * 1986-08-19 1988-02-25 Bat Cigarettenfab Gmbh DEVICE FOR THE OPTICAL INSPECTION OF THE SURFACE OF ROD-SHAPED SMOKE ARTICLES AND / OR FILTER RODS FOR THE TOBACCO INDUSTRY
DE8802979U1 (en) * 1988-03-05 1988-07-07 Deilmann-Haniel Gmbh, 4600 Dortmund, De
DE9002461U1 (en) * 1990-03-02 1990-05-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
DE4008932A1 (en) * 1990-03-20 1991-09-26 Siemens Ag Modular lighting recessed into airport runways - has circular bases with independent light modules for directional beam
GB2244816A (en) * 1990-04-10 1991-12-11 Microphax Limited Illumination apparatus for a microfiche reader
US5404283A (en) * 1992-03-31 1995-04-04 Phoenix Products Company, Inc. Outdoor framing projector

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE260053C (en) *
GB388064A (en) * 1931-08-18 1933-02-20 P S R Lamp Co Ltd Improvements in and relating to anti-dazzle devices for headlamps
BE443357A (en) * 1937-07-25 1900-01-01 Westfaelische Metall Ind Akt G
DE683917C (en) * 1937-10-15 1939-11-18 Paul Schroeder Darkening device on electrical lighting units
NL62449C (en) * 1944-08-22 1949-02-15 Philips Nv Searchlight containing a cooled lamp with reflector
DE1005463B (en) * 1952-08-27 1957-04-04 Alfred Paul Emil Letsch Dimming device for motor vehicle headlights
GB1194331A (en) * 1966-04-13 1970-06-10 Harold Martin Light-Projecting Systems.
US3598983A (en) * 1969-04-11 1971-08-10 Emil A Mosser Jr Arc lamp mounting structure
US3703635A (en) * 1970-09-08 1972-11-21 E Systems Inc Zoom light
DE2110802C3 (en) * 1971-03-06 1974-03-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Bulletproof target and searchlights attached to armored vehicles

Also Published As

Publication number Publication date
NL185418C (en) 1990-04-02
NL184806C (en) 1989-11-01
FR2370922B1 (en) 1982-02-19
DE2749944C2 (en) 1987-07-09
IL53329A (en) 1980-01-31
IL53329A0 (en) 1978-01-31
IL53330A (en) 1980-09-16
BE860009A (en) 1978-02-15
NL184805C (en) 1989-11-01
NL7711883A (en) 1978-05-12
IL53330A0 (en) 1978-01-31
IL53331A0 (en) 1978-01-31
NL184806B (en) 1989-06-01
NL184805B (en) 1989-06-01
DE2749942A1 (en) 1978-05-11
NL7711877A (en) 1978-05-12
IL53331A (en) 1980-11-30
DE2749943A1 (en) 1978-05-11
NL7711884A (en) 1978-05-12
FR2370922A1 (en) 1978-06-09
DE2749944A1 (en) 1978-05-11
IT1088221B (en) 1985-06-10
IT1088024B (en) 1985-06-04
BE860007A (en) 1978-02-15
BE860008A (en) 1978-02-15
NL185418B (en) 1989-11-01

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