DE3372304D1 - Shadow-free lamp assembly - Google Patents

Shadow-free lamp assembly

Info

Publication number
DE3372304D1
DE3372304D1 DE8383301979T DE3372304T DE3372304D1 DE 3372304 D1 DE3372304 D1 DE 3372304D1 DE 8383301979 T DE8383301979 T DE 8383301979T DE 3372304 T DE3372304 T DE 3372304T DE 3372304 D1 DE3372304 D1 DE 3372304D1
Authority
DE
Germany
Prior art keywords
shadow
lamp assembly
free lamp
free
assembly
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
DE8383301979T
Other languages
English (en)
Inventor
Osamu Yamauchi
Kazuomi Hoashi
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.)
Sankin Industry Co Ltd
Koito Industries Ltd
Original Assignee
Sankin Industry Co Ltd
Koito Industries Ltd
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 Sankin Industry Co Ltd, Koito Industries Ltd filed Critical Sankin Industry Co Ltd
Application granted granted Critical
Publication of DE3372304D1 publication Critical patent/DE3372304D1/de
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
    • F21V7/09—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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
DE8383301979T 1982-04-14 1983-04-08 Shadow-free lamp assembly Expired DE3372304D1 (en)

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
DE3372304D1 true DE3372304D1 (en) 1987-08-06

Family

ID=12933078

Family Applications (2)

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

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE198383301979T Pending DE91797T1 (de) 1982-04-14 1983-04-08 Schattenfreie beleuchtungsvorrichtung.

Country Status (4)

Country Link
US (1) US4459647A (de)
EP (1) EP0091797B1 (de)
JP (1) JPS58155701U (de)
DE (2) DE3372304D1 (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
DK1869362T3 (da) * 2005-04-12 2020-12-21 Planmeca Oy Operationslys, navnlig til tandbehandling
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
JPS6125123Y2 (de) 1986-07-29
EP0091797A1 (de) 1983-10-19
DE91797T1 (de) 1984-01-19
EP0091797B1 (de) 1987-07-01
US4459647A (en) 1984-07-10
JPS58155701U (ja) 1983-10-18

Similar Documents

Publication Publication Date Title
GB8315498D0 (en) Luminaire
DE3161765D1 (en) Lighting fixture
GB8313699D0 (en) Reflector
DE3373205D1 (en) Lamp
GB2120376B (en) Lamp standard assembly
GB8332593D0 (en) Lighting unit
GB2128805B (en) Incandescent lamp
GB8306695D0 (en) Lamp unit
GB8332592D0 (en) Lighting unit
DE3372304D1 (en) Shadow-free lamp assembly
AU87504S (en) Lighting unit
GB8318736D0 (en) Reflector lamp
GB2107842B (en) Lighting fixtures
GB8327789D0 (en) Actuating fixture
GB2128016B (en) Lamp assembly
DE3379089D1 (en) Double-enveloped lamp
GB2114281B (en) Lamp mount
GB8310037D0 (en) Lampholder
JPS5753065A (en) Illumination lamp assembly
GB8324119D0 (en) Reflector
DE3371840D1 (en) Lampholder
GB8314730D0 (en) Lampholder
GB2129535B (en) Searchlight
DE3379209D1 (en) Incandescent lamp
JPS57180002A (en) Lighting fixture

Legal Events

Date Code Title Description
8364 No opposition during term of opposition