FR2441795A1 - PROJECTOR WITH PROTECTED LAMP FOR MOTOR VEHICLE - Google Patents

PROJECTOR WITH PROTECTED LAMP FOR MOTOR VEHICLE

Info

Publication number
FR2441795A1
FR2441795A1 FR7927822A FR7927822A FR2441795A1 FR 2441795 A1 FR2441795 A1 FR 2441795A1 FR 7927822 A FR7927822 A FR 7927822A FR 7927822 A FR7927822 A FR 7927822A FR 2441795 A1 FR2441795 A1 FR 2441795A1
Authority
FR
France
Prior art keywords
projector
motor vehicle
protected
protected lamp
lamp bulb
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.)
Granted
Application number
FR7927822A
Other languages
French (fr)
Other versions
FR2441795B3 (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.)
GTE Sylvania Inc
Original Assignee
GTE Sylvania Inc
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 GTE Sylvania Inc filed Critical GTE Sylvania Inc
Publication of FR2441795A1 publication Critical patent/FR2441795A1/en
Application granted granted Critical
Publication of FR2441795B3 publication Critical patent/FR2441795B3/fr
Granted 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

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

L'INVENTION PERMET DE REDUIRE L'EBLOUISSEMENT DU AUX FEUX DE CROISEMENT SANS AFFECTER SENSIBLEMENT LE RAYONNEMENT LATERAL DIRECT DE LA LUMIERE NI LES FEUX DE ROUTE. SELON L'INVENTION, UNE EXTREMITE DE L'AMPOULE DE LA LAMPE EST COUVERTE D'UNE COUCHE OPAQUE. PLUS PRECISEMENT, SEULE LA MOITIE AVANT SUPERIEURE DE L'AMPOULE DE LA LAMPE EST AINSI PROTEGEE. APPLICATION AUX PROJECTEURS POUR VEHICULES AUTOMOBILES.THE INVENTION MAKES IT ABLE TO REDUCE GLARE FROM LOW BEAMS WITHOUT SIGNIFICANTLY AFFECTING DIRECT SIDE RADIATION OF LIGHT OR HIGH BEAMS. ACCORDING TO THE INVENTION, AN END OF THE LAMP BULB IS COVERED WITH AN OPAQUE LAYER. MORE SPECIFICALLY, ONLY THE UPPER FRONT HALF OF THE LAMP BULB IS THUS PROTECTED. APPLICATION TO PROJECTORS FOR MOTOR VEHICLES.

FR7927822A 1978-11-13 1979-11-12 PROJECTOR WITH PROTECTED LAMP FOR MOTOR VEHICLE Granted FR2441795A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US96037578A 1978-11-13 1978-11-13

Publications (2)

Publication Number Publication Date
FR2441795A1 true FR2441795A1 (en) 1980-06-13
FR2441795B3 FR2441795B3 (en) 1981-08-21

Family

ID=25503091

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7927822A Granted FR2441795A1 (en) 1978-11-13 1979-11-12 PROJECTOR WITH PROTECTED LAMP FOR MOTOR VEHICLE

Country Status (6)

Country Link
BE (1) BE879923A (en)
DE (1) DE2945242A1 (en)
FR (1) FR2441795A1 (en)
GB (1) GB2035681A (en)
IT (1) IT1124940B (en)
NL (1) NL7908253A (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3153741A (en) * 1960-07-08 1964-10-20 Gen Motors Corp Vehicle headlamp filament shield
US3784861A (en) * 1971-02-25 1974-01-08 Philips Corp Lamp with opaque screen
DE2321709C3 (en) * 1973-04-28 1975-10-16 Philips Patentverwaltung Gmbh, 2000 Hamburg Electric spotlights, in particular for use as vehicle headlights, and method for their production
IT1026581B (en) * 1974-11-27 1978-10-20 Philips Spa RECEIVER FOR BINARY PULSE SIGNAL TRANSMISSION SYSTEM INCLUDING A CIRCUIT FOR THE AUTOMATIC CORRECTION OF DISTURBANCES IN THE DIRECT CURRENT LEVEL

Also Published As

Publication number Publication date
GB2035681A (en) 1980-06-18
IT1124940B (en) 1986-05-14
DE2945242C2 (en) 1989-01-12
FR2441795B3 (en) 1981-08-21
DE2945242A1 (en) 1980-05-22
BE879923A (en) 1980-03-03
IT7927154A0 (en) 1979-11-09
NL7908253A (en) 1980-05-16

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Legal Events

Date Code Title Description
CD Change of name or company name