FR1054806A - Improvements to electric hand lamps - Google Patents

Improvements to electric hand lamps

Info

Publication number
FR1054806A
FR1054806A FR1054806DA FR1054806A FR 1054806 A FR1054806 A FR 1054806A FR 1054806D A FR1054806D A FR 1054806DA FR 1054806 A FR1054806 A FR 1054806A
Authority
FR
France
Prior art keywords
electric hand
hand lamps
lamps
electric
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)
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.)
Oldham Crompton Batteries Ltd
Original Assignee
Oldham Crompton Batteries Ltd
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 Oldham Crompton Batteries Ltd filed Critical Oldham Crompton Batteries Ltd
Application granted granted Critical
Publication of FR1054806A publication Critical patent/FR1054806A/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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR1054806D 1951-01-15 1952-01-15 Improvements to electric hand lamps Expired FR1054806A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1054806X 1951-01-15

Publications (1)

Publication Number Publication Date
FR1054806A true FR1054806A (en) 1954-02-15

Family

ID=10870875

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1054806D Expired FR1054806A (en) 1951-01-15 1952-01-15 Improvements to electric hand lamps

Country Status (1)

Country Link
FR (1) FR1054806A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1112203B (en) * 1956-04-13 1961-08-03 Charles Varroy Lantern for lighting or signaling purposes with a collector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1112203B (en) * 1956-04-13 1961-08-03 Charles Varroy Lantern for lighting or signaling purposes with a collector

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