FR887248A - Blackout device for light projectors, in particular for hand lanterns - Google Patents

Blackout device for light projectors, in particular for hand lanterns

Info

Publication number
FR887248A
FR887248A FR887248DA FR887248A FR 887248 A FR887248 A FR 887248A FR 887248D A FR887248D A FR 887248DA FR 887248 A FR887248 A FR 887248A
Authority
FR
France
Prior art keywords
light projectors
blackout device
hand lanterns
lanterns
hand
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
Other languages
French (fr)
Inventor
Gmbh Eisemann
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.)
Eisemann G M B H
Original Assignee
Eisemann G M B H
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 Eisemann G M B H filed Critical Eisemann G M B H
Application granted granted Critical
Publication of FR887248A publication Critical patent/FR887248A/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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L2/00—Systems of electric lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
FR887248D 1941-10-27 1942-10-26 Blackout device for light projectors, in particular for hand lanterns Expired FR887248A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE887248X 1941-10-27

Publications (1)

Publication Number Publication Date
FR887248A true FR887248A (en) 1943-11-08

Family

ID=6833691

Family Applications (1)

Application Number Title Priority Date Filing Date
FR887248D Expired FR887248A (en) 1941-10-27 1942-10-26 Blackout device for light projectors, in particular for hand lanterns

Country Status (3)

Country Link
BE (1) BE447717A (en)
CH (1) CH230360A (en)
FR (1) FR887248A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1725808A2 (en) * 2004-03-16 2006-11-29 Mag Instrument Inc. Apparatus and method for aligning a substantial point source of light with a reflector feature
US8366290B2 (en) 2009-01-14 2013-02-05 Mag Instrument, Inc. Portable lighting device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1725808A2 (en) * 2004-03-16 2006-11-29 Mag Instrument Inc. Apparatus and method for aligning a substantial point source of light with a reflector feature
EP1725808A4 (en) * 2004-03-16 2008-05-21 Mag Instr Inc Apparatus and method for aligning a substantial point source of light with a reflector feature
CN101915366A (en) * 2004-03-16 2010-12-15 麦格设备有限公司 A kind of handheld portable lighting device
US7896519B2 (en) 2004-03-16 2011-03-01 Mag Instrument, Inc. Lighting device with variable length conductor
US8210709B2 (en) 2004-03-16 2012-07-03 Mag Instrument, Inc. Apparatus and method for aligning a substantial point source of light with a reflector feature
EP2397747A3 (en) * 2004-03-16 2013-08-07 MAG Instrument, Inc. Apparatus and method for aligning a substantial point source of light with a reflector feature
US8366290B2 (en) 2009-01-14 2013-02-05 Mag Instrument, Inc. Portable lighting device

Also Published As

Publication number Publication date
CH230360A (en) 1943-12-31
BE447717A (en) 1942-11-30

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