FR788420A - Perfectionnements aux unités lumineuses de signalisation - Google Patents

Perfectionnements aux unités lumineuses de signalisation

Info

Publication number
FR788420A
FR788420A FR788420DA FR788420A FR 788420 A FR788420 A FR 788420A FR 788420D A FR788420D A FR 788420DA FR 788420 A FR788420 A FR 788420A
Authority
FR
France
Prior art keywords
light signaling
signaling units
units
light
signaling
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
English (en)
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.)
Mors SA
Original Assignee
Mors SA
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 Mors SA filed Critical Mors SA
Application granted granted Critical
Publication of FR788420A publication Critical patent/FR788420A/fr
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
    • F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR788420D 1934-07-13 1934-07-13 Perfectionnements aux unités lumineuses de signalisation Expired FR788420A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR788420T 1934-07-13

Publications (1)

Publication Number Publication Date
FR788420A true FR788420A (fr) 1935-10-10

Family

ID=9219541

Family Applications (1)

Application Number Title Priority Date Filing Date
FR788420D Expired FR788420A (fr) 1934-07-13 1934-07-13 Perfectionnements aux unités lumineuses de signalisation

Country Status (1)

Country Link
FR (1) FR788420A (fr)

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