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FR1341640A - Light fixture without drop shadows - Google Patents

Light fixture without drop shadows

Info

Publication number
FR1341640A
FR1341640A FR909878A FR909878A FR1341640A FR 1341640 A FR1341640 A FR 1341640A FR 909878 A FR909878 A FR 909878A FR 909878 A FR909878 A FR 909878A FR 1341640 A FR1341640 A FR 1341640A
Authority
FR
France
Prior art keywords
light fixture
drop shadows
shadows
drop
fixture
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
FR909878A
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.)
Anciens Etablissements Barbier Benard and Turenne SA
Original Assignee
Anciens Etablissements Barbier Benard and Turenne SA
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 Anciens Etablissements Barbier Benard and Turenne SA filed Critical Anciens Etablissements Barbier Benard and Turenne SA
Priority to FR909878A priority Critical patent/FR1341640A/en
Priority to GB36803/63A priority patent/GB1012774A/en
Application granted granted Critical
Publication of FR1341640A publication Critical patent/FR1341640A/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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F21V5/046—Refractors for light sources of lens shape the lens having a rotationally symmetrical shape about an axis for transmitting light in a direction mainly perpendicular to this axis, e.g. ring or annular lens with light source disposed inside the ring
    • 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • 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
    • F21W2131/205—Lighting for medical use for operating theatres

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
FR909878A 1962-09-19 1962-09-19 Light fixture without drop shadows Expired FR1341640A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR909878A FR1341640A (en) 1962-09-19 1962-09-19 Light fixture without drop shadows
GB36803/63A GB1012774A (en) 1962-09-19 1963-09-18 Lighting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR909878A FR1341640A (en) 1962-09-19 1962-09-19 Light fixture without drop shadows

Publications (1)

Publication Number Publication Date
FR1341640A true FR1341640A (en) 1963-11-02

Family

ID=8787097

Family Applications (1)

Application Number Title Priority Date Filing Date
FR909878A Expired FR1341640A (en) 1962-09-19 1962-09-19 Light fixture without drop shadows

Country Status (2)

Country Link
FR (1) FR1341640A (en)
GB (1) GB1012774A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2150087A1 (en) * 1970-10-07 1972-04-13 Oram John Anderson Lighting device
FR2201426A1 (en) * 1972-10-02 1974-04-26 Physical Systems
DE2752762A1 (en) * 1976-11-30 1978-06-01 Parisienne Des Anciens Etablis LIGHTING DEVICE
EP0087525A1 (en) * 1980-10-27 1983-09-07 Eaton-Optimetrix Inc. Improved illumination system
EP0182115A1 (en) * 1984-10-23 1986-05-28 Wild Heerbrugg Ag. Arrangement for dark field illumination

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5897201A (en) * 1993-01-21 1999-04-27 Simon; Jerome H. Architectural lighting distributed from contained radially collimated light

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2150087A1 (en) * 1970-10-07 1972-04-13 Oram John Anderson Lighting device
FR2201426A1 (en) * 1972-10-02 1974-04-26 Physical Systems
DE2752762A1 (en) * 1976-11-30 1978-06-01 Parisienne Des Anciens Etablis LIGHTING DEVICE
EP0087525A1 (en) * 1980-10-27 1983-09-07 Eaton-Optimetrix Inc. Improved illumination system
EP0182115A1 (en) * 1984-10-23 1986-05-28 Wild Heerbrugg Ag. Arrangement for dark field illumination

Also Published As

Publication number Publication date
GB1012774A (en) 1965-12-08

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