CA1172682A - Reflector lamp - Google Patents

Reflector lamp

Info

Publication number
CA1172682A
CA1172682A CA000381080A CA381080A CA1172682A CA 1172682 A CA1172682 A CA 1172682A CA 000381080 A CA000381080 A CA 000381080A CA 381080 A CA381080 A CA 381080A CA 1172682 A CA1172682 A CA 1172682A
Authority
CA
Canada
Prior art keywords
section
parabolic
focal point
reflector
spherical
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
CA000381080A
Other languages
English (en)
French (fr)
Inventor
Gilbert H. Reiling
John M. Putz
David D. Van Horn
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of CA1172682A publication Critical patent/CA1172682A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/331—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas
    • F21S41/333—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas with discontinuity at the junction between adjacent areas
    • 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
    • F21V7/09—Optical design with a combination of different curvatures

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
CA000381080A 1980-07-03 1981-07-03 Reflector lamp Expired CA1172682A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16561080A 1980-07-03 1980-07-03
US165,610 1980-07-03

Publications (1)

Publication Number Publication Date
CA1172682A true CA1172682A (en) 1984-08-14

Family

ID=22599643

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000381080A Expired CA1172682A (en) 1980-07-03 1981-07-03 Reflector lamp

Country Status (5)

Country Link
JP (1) JPS5730801A (de)
CA (1) CA1172682A (de)
DE (1) DE3125168C2 (de)
FR (1) FR2486200A1 (de)
GB (1) GB2079435B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2089956B (en) * 1980-12-22 1984-07-04 Gen Electric Lamp with shaped reflector and lens
HU191444B (en) * 1984-09-21 1987-02-27 Tungsram Rt,Hu Reflector lamp
EP0519112B1 (de) * 1991-06-21 1996-03-13 Tetsuhiro Kano Reflektor und Verfahren zum Erzeugen einer Reflektorform
JP2601713Y2 (ja) * 1992-03-13 1999-12-06 株式会社キャットアイ 照明装置
US5586015A (en) * 1993-06-18 1996-12-17 General Electric Company Sports lighting luminaire having low glare characteristics
GB2290132A (en) * 1994-05-31 1995-12-13 Rank Brimar Ltd Light Sources
JP2001201623A (ja) * 2000-01-20 2001-07-27 Fujitsu General Ltd 照明光源装置
JP4563557B2 (ja) * 2000-07-18 2010-10-13 株式会社トプコン 露光装置の照明光学系
DE102017100945B4 (de) 2017-01-18 2019-06-27 LIMO GmbH Linsenvorrichtung oder Spiegelvorrichtung sowie Vorrichtung zur Homogenisierung von Licht

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB314545A (en) * 1928-06-30 1930-07-24 Machal Projecteurs Improvements in or relating to vehicle and like lamps
GB344382A (en) * 1929-11-22 1931-03-23 Harold Dennis Taylor An improvement in lamps for motor or other vehicles, and for other purposes
GB367053A (en) * 1930-11-21 1932-02-18 Harold Dennis Taylor An improvement in lamps for motor and other vehicles and for other purposes
JPS4020132Y1 (de) * 1964-04-15 1965-07-13
JPS422233Y1 (de) * 1964-10-02 1967-02-09

Also Published As

Publication number Publication date
GB2079435B (en) 1984-05-23
JPS5730801A (en) 1982-02-19
FR2486200A1 (fr) 1982-01-08
GB2079435A (en) 1982-01-20
DE3125168A1 (de) 1982-03-04
DE3125168C2 (de) 1983-07-21

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Legal Events

Date Code Title Description
MKEX Expiry