FR819107A - Perfectionnements aux projecteurs - Google Patents

Perfectionnements aux projecteurs

Info

Publication number
FR819107A
FR819107A FR819107DA FR819107A FR 819107 A FR819107 A FR 819107A FR 819107D A FR819107D A FR 819107DA FR 819107 A FR819107 A FR 819107A
Authority
FR
France
Prior art keywords
refinements
projector
projector refinements
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR819107A publication Critical patent/FR819107A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/26—Closing of vessels
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/40—Leading-in conductors
FR819107D 1936-03-13 1937-03-12 Perfectionnements aux projecteurs Expired FR819107A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68714A US2190528A (en) 1936-03-13 1936-03-13 Electric projection device

Publications (1)

Publication Number Publication Date
FR819107A true FR819107A (fr) 1937-10-11

Family

ID=22084261

Family Applications (2)

Application Number Title Priority Date Filing Date
FR819107D Expired FR819107A (fr) 1936-03-13 1937-03-12 Perfectionnements aux projecteurs
FR49327D Expired FR49327E (fr) 1936-03-13 1938-03-25 Perfectionnements aux projecteurs

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR49327D Expired FR49327E (fr) 1936-03-13 1938-03-25 Perfectionnements aux projecteurs

Country Status (3)

Country Link
US (1) US2190528A (fr)
DE (1) DE665802C (fr)
FR (2) FR819107A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1067931B (fr) * 1959-10-29
US2707850A (en) * 1951-04-05 1955-05-10 Corning Glass Works Method of welding aluminum to glass and article made thereby
US2739227A (en) * 1952-07-02 1956-03-20 Gen Motors Corp Sealed beam lighting unit
US2893442A (en) * 1953-03-30 1959-07-07 Genin Paul Reinforcing woven materials for making laminated articles
US2752481A (en) * 1953-07-03 1956-06-26 Gen Motors Corp Sealed beam lighting unit
US2818521A (en) * 1954-01-14 1957-12-31 Scarborough Associates Inc Lamp
US2810405A (en) * 1955-04-29 1957-10-22 Huau Marguerite Material in glass fibre and new industrial product resulting therefrom
US2869588A (en) * 1955-12-19 1959-01-20 H W Schwab Textile Corp Woven fabric
GB1180442A (en) * 1966-02-28 1970-02-04 Tokyo Shibaura Electric Co Reflector Type Lamp
US3715613A (en) * 1971-05-13 1973-02-06 Varian Associates Sealed high-pressure arc lamp and socket therefor
US3936686A (en) * 1973-05-07 1976-02-03 Moore Donald W Reflector lamp cooling and containing assemblies
DE2323520A1 (de) * 1973-05-10 1974-11-28 Bosch Gmbh Robert Gasdichter scheinwerfer fuer kraftfahrzeuge

Also Published As

Publication number Publication date
US2190528A (en) 1940-02-13
DE665802C (de) 1938-10-04
FR49327E (fr) 1939-02-17

Similar Documents

Publication Publication Date Title
FR830897A (fr) Perfectionnements aux filtres
FR835836A (fr) Perfectionnements aux filtres
FR819107A (fr) Perfectionnements aux projecteurs
FR818069A (fr) Perfectionnements aux magnétrons
FR822559A (fr) Perfectionnements aux silencieux
FR822684A (fr) Perfectionnements aux ventilateurs
FR806489A (fr) Perfectionnements aux couteaux
FR818227A (fr) Perfectionnements aux filtres
FR812641A (fr) Perfectionnements aux carburateurs
FR819282A (fr) Perfectionnements aux montres
FR811904A (fr) Perfectionnements aux stores
FR806979A (fr) Perfectionnements aux crémones
FR827248A (fr) Perfectionnements aux soupapes
FR830827A (fr) Perfectionnements aux soupapes
FR821819A (fr) Projecteur perfectionné
FR802933A (fr) Perfectionnements aux malaxeurs
FR811936A (fr) Perfectionnements aux projecteurs
FR735067A (fr) Perfectionnements aux projecteurs
FR783515A (fr) Perfectionnements aux projecteurs
FR774390A (fr) Perfectionnements aux projecteurs
FR772629A (fr) Perfectionnements aux projecteurs
FR821781A (fr) Perfectionnements aux embrayages
FR822589A (fr) Perfectionnements aux interrupteurs
FR803029A (fr) Perfectionnements aux briques
FR824788A (fr) Perfectionnements aux filtres