GB227461A - Improvements in overhead lamps - Google Patents

Improvements in overhead lamps

Info

Publication number
GB227461A
GB227461A GB704/25A GB70425A GB227461A GB 227461 A GB227461 A GB 227461A GB 704/25 A GB704/25 A GB 704/25A GB 70425 A GB70425 A GB 70425A GB 227461 A GB227461 A GB 227461A
Authority
GB
United Kingdom
Prior art keywords
light
overhead
source
overhead lamps
lamps
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
GB704/25A
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
Publication of GB227461A publication Critical patent/GB227461A/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
    • F21V7/0066—Reflectors for light sources specially adapted to cooperate with point like light sources; specially adapted to cooperate with light sources the shape of which is unspecified

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

227,461. Markau, K. Jan. 9, 1924, [Convention date]. Overhead lamps. - An overhead lamp comprises a diffusing bowl c containing a source of light d surrounded by plane or curved annular, quadrangular or other shaped reflecting surfaces a,a, b,b. The reflecting - surfaces may be adjustable vertically or angularly or both, or the source of light may be movable, so that a portion or portions of the light may be reflected laterally for general room illumination or all the light may be concentrated downwardly.
GB704/25A 1924-01-09 1925-01-09 Improvements in overhead lamps Expired GB227461A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE227461X 1924-01-09

Publications (1)

Publication Number Publication Date
GB227461A true GB227461A (en) 1925-06-18

Family

ID=5866675

Family Applications (1)

Application Number Title Priority Date Filing Date
GB704/25A Expired GB227461A (en) 1924-01-09 1925-01-09 Improvements in overhead lamps

Country Status (1)

Country Link
GB (1) GB227461A (en)

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