FR1489101A - Perfectionnements aux lampes utilisées dans les systèmes optiques - Google Patents

Perfectionnements aux lampes utilisées dans les systèmes optiques

Info

Publication number
FR1489101A
FR1489101A FR62278A FR62278A FR1489101A FR 1489101 A FR1489101 A FR 1489101A FR 62278 A FR62278 A FR 62278A FR 62278 A FR62278 A FR 62278A FR 1489101 A FR1489101 A FR 1489101A
Authority
FR
France
Prior art keywords
optical systems
lamps used
lamps
optical
systems
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
FR62278A
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.)
FABRIQUES REUNIES DE LAMPES ELECTRIQUES
Original Assignee
FABRIQUES REUNIES DE LAMPES ELECTRIQUES
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 FABRIQUES REUNIES DE LAMPES ELECTRIQUES filed Critical FABRIQUES REUNIES DE LAMPES ELECTRIQUES
Priority to FR62278A priority Critical patent/FR1489101A/fr
Application granted granted Critical
Publication of FR1489101A publication Critical patent/FR1489101A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K9/00—Lamps having two or more incandescent bodies separately heated
    • H01K9/08—Lamps having two or more incandescent bodies separately heated to provide selectively different light effects, e.g. for automobile headlamp
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/34—Double wall vessels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
FR62278A 1966-05-20 1966-05-20 Perfectionnements aux lampes utilisées dans les systèmes optiques Expired FR1489101A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR62278A FR1489101A (fr) 1966-05-20 1966-05-20 Perfectionnements aux lampes utilisées dans les systèmes optiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR62278A FR1489101A (fr) 1966-05-20 1966-05-20 Perfectionnements aux lampes utilisées dans les systèmes optiques

Publications (1)

Publication Number Publication Date
FR1489101A true FR1489101A (fr) 1967-07-21

Family

ID=8609046

Family Applications (1)

Application Number Title Priority Date Filing Date
FR62278A Expired FR1489101A (fr) 1966-05-20 1966-05-20 Perfectionnements aux lampes utilisées dans les systèmes optiques

Country Status (1)

Country Link
FR (1) FR1489101A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2058758A6 (fr) * 1969-09-24 1971-05-28 Fabr Reunies Lampes Elec
FR2197146A1 (fr) * 1972-07-05 1974-03-22 Bosch Gmbh Robert
US4302698A (en) * 1978-09-22 1981-11-24 Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen M.B.H. Dual-filament halogen incandescent lamp, particularly sealed-beam, automotive headlight
JP2010033798A (ja) * 2008-07-28 2010-02-12 Ushio Inc フィラメントランプ

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2058758A6 (fr) * 1969-09-24 1971-05-28 Fabr Reunies Lampes Elec
FR2197146A1 (fr) * 1972-07-05 1974-03-22 Bosch Gmbh Robert
US4302698A (en) * 1978-09-22 1981-11-24 Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen M.B.H. Dual-filament halogen incandescent lamp, particularly sealed-beam, automotive headlight
JP2010033798A (ja) * 2008-07-28 2010-02-12 Ushio Inc フィラメントランプ
US8488953B2 (en) 2008-07-28 2013-07-16 Ushio Denki Kabushiki Kaisha Filament lamp

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