FR1195151A - Light beam modulator - Google Patents

Light beam modulator

Info

Publication number
FR1195151A
FR1195151A FR1195151DA FR1195151A FR 1195151 A FR1195151 A FR 1195151A FR 1195151D A FR1195151D A FR 1195151DA FR 1195151 A FR1195151 A FR 1195151A
Authority
FR
France
Prior art keywords
light beam
beam modulator
modulator
light
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.)
Nat Electronic Res & Dev Corp
Original Assignee
Nat Electronic Res & Dev Corp
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 Nat Electronic Res & Dev Corp filed Critical Nat Electronic Res & Dev Corp
Application granted granted Critical
Publication of FR1195151A publication Critical patent/FR1195151A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/657—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by moving light sources
    • 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
    • F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR1195151D 1958-04-28 1958-04-28 Light beam modulator Expired FR1195151A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1195151T 1958-04-28

Publications (1)

Publication Number Publication Date
FR1195151A true FR1195151A (en) 1959-11-16

Family

ID=9668568

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1195151D Expired FR1195151A (en) 1958-04-28 1958-04-28 Light beam modulator

Country Status (1)

Country Link
FR (1) FR1195151A (en)

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