IT1210886B - Lampada di proiezione costituita da una lampada ad incandescenza e da uno specchio condensatore di luce che forma con questa lampada una unita' costruttiva. - Google Patents

Lampada di proiezione costituita da una lampada ad incandescenza e da uno specchio condensatore di luce che forma con questa lampada una unita' costruttiva.

Info

Publication number
IT1210886B
IT1210886B IT8221154A IT2115482A IT1210886B IT 1210886 B IT1210886 B IT 1210886B IT 8221154 A IT8221154 A IT 8221154A IT 2115482 A IT2115482 A IT 2115482A IT 1210886 B IT1210886 B IT 1210886B
Authority
IT
Italy
Prior art keywords
lamp
shapes
constituted
construction unit
light condensing
Prior art date
Application number
IT8221154A
Other languages
English (en)
Other versions
IT8221154A0 (it
Inventor
Laszlo Varkonyi
Endre Oldal
Original Assignee
Egyesuelt Izzolampa
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 Egyesuelt Izzolampa filed Critical Egyesuelt Izzolampa
Publication of IT8221154A0 publication Critical patent/IT8221154A0/it
Application granted granted Critical
Publication of IT1210886B publication Critical patent/IT1210886B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K7/00—Lamps for purposes other than general lighting
    • H01K7/02—Lamps for purposes other than general lighting for producing a narrow beam of light; for approximating a point-like source of light, e.g. for searchlight, for cinematographic projector
    • 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
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/202—Incandescent light sources

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
IT8221154A 1981-05-08 1982-05-07 Lampada di proiezione costituita da una lampada ad incandescenza e da uno specchio condensatore di luce che forma con questa lampada una unita' costruttiva. IT1210886B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU811227A HU183426B (en) 1981-05-08 1981-05-08 Projecting lamp consisting of incandescent lamp and condensor mirror mounted rigidly to the lamp

Publications (2)

Publication Number Publication Date
IT8221154A0 IT8221154A0 (it) 1982-05-07
IT1210886B true IT1210886B (it) 1989-09-29

Family

ID=10953431

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8221154A IT1210886B (it) 1981-05-08 1982-05-07 Lampada di proiezione costituita da una lampada ad incandescenza e da uno specchio condensatore di luce che forma con questa lampada una unita' costruttiva.

Country Status (3)

Country Link
DE (1) DE3210229C2 (it)
HU (1) HU183426B (it)
IT (1) IT1210886B (it)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1125763B (de) * 1959-05-27 1962-03-15 Egyesuelt Izzolampa Elektrische Projektionslampe mit gerichtetem Licht
NL156827B (nl) * 1967-02-01 1978-05-16 Philips Nv Projectie-eenheid, bestaande uit een condensorspiegel en een halogeengloeilamp.
DE7037420U (de) * 1970-10-09 1972-03-09 Patent Gmbh Projektionslampe fuer mikroskopbeleuchtung

Also Published As

Publication number Publication date
DE3210229A1 (de) 1982-11-25
IT8221154A0 (it) 1982-05-07
DE3210229C2 (de) 1984-01-05
HU183426B (en) 1984-05-28

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