FR1045818A - Dispositif sélectif lecteur de lumière - Google Patents

Dispositif sélectif lecteur de lumière

Info

Publication number
FR1045818A
FR1045818A FR1045818DA FR1045818A FR 1045818 A FR1045818 A FR 1045818A FR 1045818D A FR1045818D A FR 1045818DA FR 1045818 A FR1045818 A FR 1045818A
Authority
FR
France
Prior art keywords
reader device
selective light
light reader
selective
reader
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.)
APPLIC de la LUMIERE ELECTRONI
Original Assignee
APPLIC de la LUMIERE ELECTRONI
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 APPLIC de la LUMIERE ELECTRONI filed Critical APPLIC de la LUMIERE ELECTRONI
Application granted granted Critical
Publication of FR1045818A publication Critical patent/FR1045818A/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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR1045818D 1951-06-21 1951-06-21 Dispositif sélectif lecteur de lumière Expired FR1045818A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1045818T 1951-06-21

Publications (1)

Publication Number Publication Date
FR1045818A true FR1045818A (fr) 1953-12-01

Family

ID=9591911

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1045818D Expired FR1045818A (fr) 1951-06-21 1951-06-21 Dispositif sélectif lecteur de lumière

Country Status (1)

Country Link
FR (1) FR1045818A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3001079A (en) * 1959-06-19 1961-09-19 Harald W Straub Optical devices for producing parallel beams
WO1986001005A1 (fr) * 1984-07-23 1986-02-13 Távközlési Kutató Intézet Detecteur optique selectif, surtout pour dispositifs de telecommunications et localisateurs optiques

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3001079A (en) * 1959-06-19 1961-09-19 Harald W Straub Optical devices for producing parallel beams
WO1986001005A1 (fr) * 1984-07-23 1986-02-13 Távközlési Kutató Intézet Detecteur optique selectif, surtout pour dispositifs de telecommunications et localisateurs optiques

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