FR1076032A - Dispositif permettant la concentration des rayons lumineux des lampes à incandescence - Google Patents

Dispositif permettant la concentration des rayons lumineux des lampes à incandescence

Info

Publication number
FR1076032A
FR1076032A FR1076032DA FR1076032A FR 1076032 A FR1076032 A FR 1076032A FR 1076032D A FR1076032D A FR 1076032DA FR 1076032 A FR1076032 A FR 1076032A
Authority
FR
France
Prior art keywords
concentration
light rays
incandescent lamps
device allowing
allowing
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)
Inventor
Andre Taxil
Fernand Astruc
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.)
MANUF FR DE LAMPES ELECTR
Original Assignee
MANUF FR DE LAMPES ELECTR
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 MANUF FR DE LAMPES ELECTR filed Critical MANUF FR DE LAMPES ELECTR
Application granted granted Critical
Publication of FR1076032A publication Critical patent/FR1076032A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/30—Envelopes; Vessels incorporating lenses
FR1076032D 1953-04-22 1953-04-22 Dispositif permettant la concentration des rayons lumineux des lampes à incandescence Expired FR1076032A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1076032T 1953-04-22

Publications (1)

Publication Number Publication Date
FR1076032A true FR1076032A (fr) 1954-10-21

Family

ID=9607433

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1076032D Expired FR1076032A (fr) 1953-04-22 1953-04-22 Dispositif permettant la concentration des rayons lumineux des lampes à incandescence

Country Status (1)

Country Link
FR (1) FR1076032A (fr)

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