FR1405314A - artificial lighting of a specific area - Google Patents

artificial lighting of a specific area

Info

Publication number
FR1405314A
FR1405314A FR975819A FR975819A FR1405314A FR 1405314 A FR1405314 A FR 1405314A FR 975819 A FR975819 A FR 975819A FR 975819 A FR975819 A FR 975819A FR 1405314 A FR1405314 A FR 1405314A
Authority
FR
France
Prior art keywords
specific area
artificial lighting
lighting
artificial
area
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
FR975819A
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 Huet & Ets
Original Assignee
Anciens Huet & Ets
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 Huet & Ets filed Critical Anciens Huet & Ets
Priority to FR975819A priority Critical patent/FR1405314A/en
Application granted granted Critical
Publication of FR1405314A publication Critical patent/FR1405314A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2013—Plural light sources
    • 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
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/402—Lighting for industrial, commercial, recreational or military use for working places

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR975819A 1964-05-26 1964-05-26 artificial lighting of a specific area Expired FR1405314A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR975819A FR1405314A (en) 1964-05-26 1964-05-26 artificial lighting of a specific area

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR975819A FR1405314A (en) 1964-05-26 1964-05-26 artificial lighting of a specific area

Publications (1)

Publication Number Publication Date
FR1405314A true FR1405314A (en) 1965-07-09

Family

ID=8830861

Family Applications (1)

Application Number Title Priority Date Filing Date
FR975819A Expired FR1405314A (en) 1964-05-26 1964-05-26 artificial lighting of a specific area

Country Status (1)

Country Link
FR (1) FR1405314A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0199976A1 (en) * 1985-04-18 1986-11-05 Licentia Patent-Verwaltungs-GmbH Illumination device for automatic reading
EP0479042A2 (en) * 1990-10-04 1992-04-08 Christian Bartenbach Lighting device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0199976A1 (en) * 1985-04-18 1986-11-05 Licentia Patent-Verwaltungs-GmbH Illumination device for automatic reading
US4758715A (en) * 1985-04-18 1988-07-19 Licentia Patent-Verwaltungs-Gmbh Illumination device for optical recognition and reading having curved mirrors
EP0479042A2 (en) * 1990-10-04 1992-04-08 Christian Bartenbach Lighting device
EP0479042A3 (en) * 1990-10-04 1992-08-05 Christian Bartenbach Lighting device

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