FR1072116A - Incandescent lamp with reflector - Google Patents

Incandescent lamp with reflector

Info

Publication number
FR1072116A
FR1072116A FR1072116DA FR1072116A FR 1072116 A FR1072116 A FR 1072116A FR 1072116D A FR1072116D A FR 1072116DA FR 1072116 A FR1072116 A FR 1072116A
Authority
FR
France
Prior art keywords
reflector
incandescent lamp
incandescent
lamp
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
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1072116A publication Critical patent/FR1072116A/en
Expired legal-status Critical Current

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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/06—Optical design with parabolic curvature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
    • H01K1/325—Reflecting coating

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
FR1072116D 1952-03-04 1953-03-02 Incandescent lamp with reflector Expired FR1072116A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL311971X 1952-03-04

Publications (1)

Publication Number Publication Date
FR1072116A true FR1072116A (en) 1954-09-08

Family

ID=19783656

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1072116D Expired FR1072116A (en) 1952-03-04 1953-03-02 Incandescent lamp with reflector

Country Status (7)

Country Link
US (1) US2799791A (en)
BE (1) BE518131A (en)
CH (1) CH311971A (en)
DE (1) DE942341C (en)
FR (1) FR1072116A (en)
GB (1) GB728541A (en)
IT (1) IT500078A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2516204A1 (en) * 1981-11-06 1983-05-13 Lampes Sa AUTONOMOUS LIGHTING TERMINAL

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3256456A (en) * 1958-01-09 1966-06-14 Sylvania Electric Prod Reflector incandescent projection lamp
US3018403A (en) * 1958-03-05 1962-01-23 Westinghouse Electric Corp Reflector lamp
US2904714A (en) * 1958-06-16 1959-09-15 Gen Electric Electric lamp
GB904469A (en) * 1960-02-11 1962-08-29 Thorn Electrical Ind Ltd Improvements in and relating to projection lamps
US3162785A (en) * 1960-04-22 1964-12-22 Sylvania Electric Prod Projection lamp
US4280076A (en) * 1978-10-18 1981-07-21 Duro-Test Corporation Incandescent lamp with structure for collecting evaporated filament material
US4446397A (en) * 1981-09-28 1984-05-01 General Electric Company High intensity discharge lamp with infrared reflecting means for improving efficacy
US4992695A (en) * 1989-10-10 1991-02-12 Daniel Naum Reflector for high-intensity lamps
US5418420A (en) * 1993-06-22 1995-05-23 Ilc Technology, Inc. Arc lamp with a triplet reflector including a concave parabolic surface, a concave elliptical surface and a convex parabolic surface

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE94157C (en) *
DE339849C (en) * 1919-03-06 1921-08-13 Siemens & Halske Akt Ges Arc irradiation lamp, which is arranged on a column that is expediently adjustable in height
US1676300A (en) * 1927-02-21 1928-07-10 Sved Alexander Incandescent electric lamp
NL37556C (en) * 1931-11-16
FR784648A (en) * 1933-12-01 1935-07-22 Flattened and widened beam headlight which can be achieved by a suitably arranged incandescent lamp
US2110590A (en) * 1936-09-11 1938-03-08 Birdseye Electric Corp Reflecting incandescent lamp
US2272186A (en) * 1939-07-19 1942-02-10 Edward P Creehan Radiant energy projector
US2362176A (en) * 1943-03-25 1944-11-07 Swanson Harold Flashlight full-beam electric lamp
US2362172A (en) * 1943-03-25 1944-11-07 Swanson Harold Vehicle headlight with integral full-beam electric lamps
US2362175A (en) * 1943-03-25 1944-11-07 Swanson Harold Piped light full-beam electric lamp
BE487695A (en) * 1948-03-05

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2516204A1 (en) * 1981-11-06 1983-05-13 Lampes Sa AUTONOMOUS LIGHTING TERMINAL
EP0079267A1 (en) * 1981-11-06 1983-05-18 Compagnie Des Lampes Self-contained post-mounted lighting fixture

Also Published As

Publication number Publication date
DE942341C (en) 1956-05-03
CH311971A (en) 1955-12-15
US2799791A (en) 1957-07-16
GB728541A (en) 1955-04-20
BE518131A (en)
IT500078A (en)

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