GB545478A - Anti-glare screen - Google Patents

Anti-glare screen

Info

Publication number
GB545478A
GB545478A GB108641A GB108641A GB545478A GB 545478 A GB545478 A GB 545478A GB 108641 A GB108641 A GB 108641A GB 108641 A GB108641 A GB 108641A GB 545478 A GB545478 A GB 545478A
Authority
GB
United Kingdom
Prior art keywords
lamp
light source
screen
ring
glare
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
GB108641A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB108641A priority Critical patent/GB545478A/en
Publication of GB545478A publication Critical patent/GB545478A/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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/06—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the lampholder
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/02—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using parallel laminae or strips, e.g. of Venetian-blind type

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

545,478. Lampshades. CALDWELL, R. Jan. 28, 1941, No. 1086. [Class 75 (ii)] Glare from an incandescent electric, gas, or oil lamp. is prevented by closely surrounding the light source with a cylindrical or polygonal translucent or opaque screen C arranged parallel to the axis of the light source and supported by arms B from a ring A resting on the lamp-holder or lamp. The screen may consist of a single ring or several narrow rings either of the same or different materials and either contacting or spaced apart to allow air circulation.
GB108641A 1941-01-28 1941-01-28 Anti-glare screen Expired GB545478A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB108641A GB545478A (en) 1941-01-28 1941-01-28 Anti-glare screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB108641A GB545478A (en) 1941-01-28 1941-01-28 Anti-glare screen

Publications (1)

Publication Number Publication Date
GB545478A true GB545478A (en) 1942-05-28

Family

ID=9715925

Family Applications (1)

Application Number Title Priority Date Filing Date
GB108641A Expired GB545478A (en) 1941-01-28 1941-01-28 Anti-glare screen

Country Status (1)

Country Link
GB (1) GB545478A (en)

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