FR635535A - Fan-Shaped Screen Slat Projector Screen Device - Google Patents

Fan-Shaped Screen Slat Projector Screen Device

Info

Publication number
FR635535A
FR635535A FR635535DA FR635535A FR 635535 A FR635535 A FR 635535A FR 635535D A FR635535D A FR 635535DA FR 635535 A FR635535 A FR 635535A
Authority
FR
France
Prior art keywords
fan
slat
screen
projector
shaped
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)
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.)
Siemens Schuckertwerke AG
Original Assignee
Siemens Schuckertwerke AG
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 Siemens Schuckertwerke AG filed Critical Siemens Schuckertwerke AG
Application granted granted Critical
Publication of FR635535A publication Critical patent/FR635535A/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
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR635535D 1926-06-08 1927-06-04 Fan-Shaped Screen Slat Projector Screen Device Expired FR635535A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE635535X 1926-06-08

Publications (1)

Publication Number Publication Date
FR635535A true FR635535A (en) 1928-03-17

Family

ID=6579393

Family Applications (1)

Application Number Title Priority Date Filing Date
FR635535D Expired FR635535A (en) 1926-06-08 1927-06-04 Fan-Shaped Screen Slat Projector Screen Device

Country Status (1)

Country Link
FR (1) FR635535A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5469658A (en) * 1992-03-20 1995-11-28 Digianni; Michele Louvre shutter device with variable slats
WO2010100628A1 (en) 2009-03-06 2010-09-10 Koninklijke Philips Electronics, N.V. Shutter lock

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5469658A (en) * 1992-03-20 1995-11-28 Digianni; Michele Louvre shutter device with variable slats
WO2010100628A1 (en) 2009-03-06 2010-09-10 Koninklijke Philips Electronics, N.V. Shutter lock
CN102369388A (en) * 2009-03-06 2012-03-07 皇家飞利浦电子股份有限公司 Shutter lock
CN102369388B (en) * 2009-03-06 2014-11-19 皇家飞利浦电子股份有限公司 Shutter lock
US8915615B2 (en) 2009-03-06 2014-12-23 Koninklijke Philips N.V. Shutter lock

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