DE91797T1 - Schattenfreie beleuchtungsvorrichtung. - Google Patents

Schattenfreie beleuchtungsvorrichtung.

Info

Publication number
DE91797T1
DE91797T1 DE198383301979T DE83301979T DE91797T1 DE 91797 T1 DE91797 T1 DE 91797T1 DE 198383301979 T DE198383301979 T DE 198383301979T DE 83301979 T DE83301979 T DE 83301979T DE 91797 T1 DE91797 T1 DE 91797T1
Authority
DE
Germany
Prior art keywords
light source
shadow
mirror segments
reflection surface
lighting device
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.)
Pending
Application number
DE198383301979T
Other languages
English (en)
Inventor
Kazuomi Chiba-Shi Chiba-Ken Hoashi
Osamu Totsuka-Ku Kanagawa-Ken Yamauchi
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.)
Koito-Kogyo Kk Yokohama Kanagawa Jp
Sankin Kogyo Kk Osaka Jp
Original Assignee
Koito-Kogyo Kk Yokohama Kanagawa Jp
Sankin Kogyo Kk Osaka Jp
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 Koito-Kogyo Kk Yokohama Kanagawa Jp, Sankin Kogyo Kk Osaka Jp filed Critical Koito-Kogyo Kk Yokohama Kanagawa Jp
Publication of DE91797T1 publication Critical patent/DE91797T1/de
Pending 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
    • F21V7/09—Optical design with a combination of different curvatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • 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
    • F21V7/048—Optical design with facets structure
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/04—Recessed bases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/20—Lighting for medical use
    • F21W2131/202—Lighting for medical use for dentistry
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/804—Surgical or dental spotlight

Claims (4)

EP 83 301 979.1 Koito-Kogyo Kabushiki Kaisha Sankin Kogyo Kabushiki Kaisha Patentansprüche
1. Schattenfreie Leuchte, gekennzeichnet durch eine Mehrzahl von Spiegelsegmenten (7), die zu einer im wesentlichen paraboloiden Reflektionsfläche angeordnet sind, und durch eine Lichtquelle (5) vor dieser Reflektionsfläche.
2. Leuchte nach Anspruch 1, dadurch gekennzeichnet, daß die Spiegel Segmente (7) aus ebenen Spiegeln bestehen, die eine Länge aufweisen, welche der kurzen Spannweite der Reflektionsfläche entspricht, und daß die Spiegelsegmente (7) dicht nebeneinander längs der langen Spannweite der Reflektionsfläche angeordnet sind.
3. Leuchte nach Anspruch 2, dadurch gekennzeichnet, daß die Lichtquelle (5) eine lineare Lichtquelle ist.
4. Leuchte nach Anspruch 1, dadurch gekennzeichnet, daß die Lichtquelle (5) in Reflektionsrichtung vor dem Brennpunkt (F) der Reflektionsfläche angeordnet ist.
DE198383301979T 1982-04-14 1983-04-08 Schattenfreie beleuchtungsvorrichtung. Pending DE91797T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982053090U JPS58155701U (ja) 1982-04-14 1982-04-14 無影灯用反射鏡

Publications (1)

Publication Number Publication Date
DE91797T1 true DE91797T1 (de) 1984-01-19

Family

ID=12933078

Family Applications (2)

Application Number Title Priority Date Filing Date
DE198383301979T Pending DE91797T1 (de) 1982-04-14 1983-04-08 Schattenfreie beleuchtungsvorrichtung.
DE8383301979T Expired DE3372304D1 (en) 1982-04-14 1983-04-08 Shadow-free lamp assembly

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8383301979T Expired DE3372304D1 (en) 1982-04-14 1983-04-08 Shadow-free lamp assembly

Country Status (4)

Country Link
US (1) US4459647A (de)
EP (1) EP0091797B1 (de)
JP (1) JPS58155701U (de)
DE (2) DE91797T1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8308693D0 (en) * 1983-03-29 1983-05-05 Oram J & D Ltd Lamp
GB2146754A (en) * 1983-09-16 1985-04-24 Manville Service Corp Fluted reflector
US4855883A (en) * 1986-05-21 1989-08-08 Spitz Russell W Fluorescent lighting apparatus
US4729079A (en) * 1986-08-04 1988-03-01 General Electric Company Illuminator for visual inspection of curved specular surfaces
DE3638669A1 (de) * 1986-11-12 1988-05-26 Auer Sog Glaswerke Gmbh Reflektor fuer zahnaerztliche und chirurgische operationsleuchten
GB8720471D0 (en) * 1987-08-29 1987-10-07 Emi Plc Thorn Lamp reflector
US4837668A (en) * 1988-01-28 1989-06-06 Koehler Joseph P Reflector for dental or medical light
DE4023408A1 (de) * 1990-07-23 1992-01-30 Delma Elektro Med App Operationsleuchte
JP3207087B2 (ja) * 1995-07-28 2001-09-10 株式会社小糸製作所 車輌用灯具
JP3185127B2 (ja) * 1995-07-28 2001-07-09 株式会社小糸製作所 車輌用灯具
US6176597B1 (en) * 1998-03-27 2001-01-23 Hill-Rom, Inc. Reflector for surgical light apparatus
DE69933183T8 (de) * 1998-10-22 2008-02-07 Koito Industries, Ltd., Yokohama Operationsleuchte
WO2006108929A1 (en) * 2005-04-12 2006-10-19 Planmeca Oy Operation light
ITMI20070542A1 (it) * 2007-03-19 2008-09-20 G Comm S R L Lampada dentale a led

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1585852A (en) * 1922-11-07 1926-05-25 American Flatlite Company Reflector for light projection
GB234905A (en) * 1924-03-06 1925-06-08 Gilbert Allom Improvements in reflectors
US2255819A (en) * 1937-01-09 1941-09-16 Vitaliano Passardi Projector
US3001061A (en) * 1957-09-30 1961-09-19 Esquire Inc Floodlight having segmented reflector
US3666939A (en) * 1970-03-23 1972-05-30 Morita Mfg Shadeless dental light
US4149227A (en) * 1977-06-20 1979-04-10 Corning Glass Works Reflector
EP0084934A1 (de) * 1982-01-16 1983-08-03 LUCAS INDUSTRIES public limited company Lampenreflektor

Also Published As

Publication number Publication date
EP0091797B1 (de) 1987-07-01
JPS6125123Y2 (de) 1986-07-29
US4459647A (en) 1984-07-10
DE3372304D1 (en) 1987-08-06
EP0091797A1 (de) 1983-10-19
JPS58155701U (ja) 1983-10-18

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