FR525009A - Combination of movable reflectors for concentrated lighting - Google Patents

Combination of movable reflectors for concentrated lighting

Info

Publication number
FR525009A
FR525009A FR525009A FR525009DA FR525009A FR 525009 A FR525009 A FR 525009A FR 525009 A FR525009 A FR 525009A FR 525009D A FR525009D A FR 525009DA FR 525009 A FR525009 A FR 525009A
Authority
FR
France
Prior art keywords
combination
movable reflectors
concentrated lighting
lighting
concentrated
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
FR525009A
Other languages
French (fr)
Inventor
Otto Paul Cramer
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.)
OTTO PAUL CRAMER
Original Assignee
OTTO PAUL CRAMER
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 OTTO PAUL CRAMER filed Critical OTTO PAUL CRAMER
Application granted granted Critical
Publication of FR525009A publication Critical patent/FR525009A/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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR525009A 1920-09-24 1920-09-24 Combination of movable reflectors for concentrated lighting Expired FR525009A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR525009T 1920-09-24

Publications (1)

Publication Number Publication Date
FR525009A true FR525009A (en) 1921-09-14

Family

ID=8919739

Family Applications (1)

Application Number Title Priority Date Filing Date
FR525009A Expired FR525009A (en) 1920-09-24 1920-09-24 Combination of movable reflectors for concentrated lighting

Country Status (1)

Country Link
FR (1) FR525009A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4943901A (en) * 1989-07-11 1990-07-24 General Electric Company Luminaire with auxiliary reflecting means
US5803593A (en) * 1996-10-24 1998-09-08 The Regents, University Of California Reflector system for a lighting fixture
US6217197B1 (en) 1998-07-31 2001-04-17 Michael J. Siminovitch Reflector system for a lighting fixture

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4943901A (en) * 1989-07-11 1990-07-24 General Electric Company Luminaire with auxiliary reflecting means
US5803593A (en) * 1996-10-24 1998-09-08 The Regents, University Of California Reflector system for a lighting fixture
US6217197B1 (en) 1998-07-31 2001-04-17 Michael J. Siminovitch Reflector system for a lighting fixture

Similar Documents

Publication Publication Date Title
FR525009A (en) Combination of movable reflectors for concentrated lighting
FR24589E (en) Combination of movable reflectors for concentrated lighting
FR528670A (en) Improvements to reflectors for light projectors
FR24219E (en) Igniters for safety lamps
FR524282A (en) Projector lanterns
FR528389A (en) Lantern
FR509487A (en) Multicolored lamp
FR23480E (en) Multicolored lamp
FI8163A (en) Projection lamp with lamp
CA4948S (en) Lighting fixture
FR536045A (en) Projection lamp
FR23396E (en) Warming lamp
FI8023A (en) Carbide lamp
FR513061A (en) Advanced piston ring
FR512468A (en) Piston ring
FR514170A (en) Piston ring
CA205694A (en) Signalling lamp
FR513966A (en) Lighter lamp
FR24675E (en) Light shield for headlight
FR23523E (en) Light shield for headlight
CA198154A (en) Lighting fixture
CA205845A (en) Lighting fixture
CA203565A (en) Lighting fixture
CA202166A (en) Lighting fixture
CA201784A (en) Lighting fixture