IT9067898A0 - Proiettore ellittico a due luci per veicoli - Google Patents

Proiettore ellittico a due luci per veicoli

Info

Publication number
IT9067898A0
IT9067898A0 IT9067898A IT6789890A IT9067898A0 IT 9067898 A0 IT9067898 A0 IT 9067898A0 IT 9067898 A IT9067898 A IT 9067898A IT 6789890 A IT6789890 A IT 6789890A IT 9067898 A0 IT9067898 A0 IT 9067898A0
Authority
IT
Italy
Prior art keywords
headlight
vehicles
elliptic
light
light elliptic
Prior art date
Application number
IT9067898A
Other languages
English (en)
Other versions
IT1247780B (it
IT9067898A1 (it
Inventor
Aldo Vota
Original Assignee
Carello Spa
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 Carello Spa filed Critical Carello Spa
Priority to IT06789890A priority Critical patent/IT1247780B/it
Publication of IT9067898A0 publication Critical patent/IT9067898A0/it
Priority to DE4137332A priority patent/DE4137332A1/de
Priority to FR9114118A priority patent/FR2669399B1/fr
Publication of IT9067898A1 publication Critical patent/IT9067898A1/it
Application granted granted Critical
Publication of IT1247780B publication Critical patent/IT1247780B/it

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1323—Arrangements for providing a switchable viewing angle
    • 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
    • F21S41/63—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates
    • F21S41/64—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by changing their light transmissivity, e.g. by liquid crystal or electrochromic devices
    • F21S41/645—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by changing their light transmissivity, e.g. by liquid crystal or electrochromic devices by electro-optic means, e.g. liquid crystal or electrochromic devices
    • 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
    • F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
    • F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
    • F21S41/689—Flaps, i.e. screens pivoting around one of their edges
    • 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
    • F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
    • F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
    • F21S41/692—Shields, i.e. screens not creating an image meant to be projected

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Projection Apparatus (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
IT06789890A 1990-11-16 1990-11-16 Proiettore ellittico a due luci per veicoli IT1247780B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT06789890A IT1247780B (it) 1990-11-16 1990-11-16 Proiettore ellittico a due luci per veicoli
DE4137332A DE4137332A1 (de) 1990-11-16 1991-11-13 Elliptischer doppelstrahlscheinwerfer fuer fahrzeuge
FR9114118A FR2669399B1 (fr) 1990-11-16 1991-11-15 Projecteur elliptique a double faisceau pour vehicules.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT06789890A IT1247780B (it) 1990-11-16 1990-11-16 Proiettore ellittico a due luci per veicoli

Publications (3)

Publication Number Publication Date
IT9067898A0 true IT9067898A0 (it) 1990-11-16
IT9067898A1 IT9067898A1 (it) 1992-05-17
IT1247780B IT1247780B (it) 1994-12-30

Family

ID=11306192

Family Applications (1)

Application Number Title Priority Date Filing Date
IT06789890A IT1247780B (it) 1990-11-16 1990-11-16 Proiettore ellittico a due luci per veicoli

Country Status (3)

Country Link
DE (1) DE4137332A1 (it)
FR (1) FR2669399B1 (it)
IT (1) IT1247780B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2706017B1 (fr) * 1993-06-04 1995-08-25 Valeo Vision Projecteur de véhicule automobile à éclairage modulable.
FR2727495A1 (fr) * 1994-11-30 1996-05-31 Valeo Vision Projecteur de type elliptique pour vehicule automobile, comportant un cache basculant
DE19501173A1 (de) * 1995-01-17 1996-07-18 Bosch Gmbh Robert Scheinwerfer für Fahrzeuge
DE19537838A1 (de) * 1995-10-11 1997-04-17 Bosch Gmbh Robert Scheinwerfer für Fahrzeuge
DE19708109A1 (de) * 1997-02-28 1998-09-03 Hella Kg Hueck & Co Scheinwerfer für Fahrzeuge
DE19750494B4 (de) * 1997-11-14 2009-07-30 Automotive Lighting Reutlingen Gmbh Verfahren zur Herstellung von Fernlichtscheinwerfern für Fahrzeuge
JP2000021227A (ja) * 1998-04-27 2000-01-21 Stanley Electric Co Ltd 車両用前照灯
FR2782147B1 (fr) * 1998-08-10 2001-02-02 Valeo Vision Projecteur du type elliptique a cache basculant pour vehicule automobile
AT3450U1 (de) 1998-09-28 2000-03-27 Zizala Lichtsysteme Gmbh Kfz-scheinwerfer
DE19844839B4 (de) * 1998-09-30 2010-07-22 Automotive Lighting Reutlingen Gmbh Scheinwerfer für Fahrzeuge
CZ9901738A3 (cs) * 1999-05-17 2001-01-17 Autopal, S. R. O. Projekční světlomet pro motorová vozidla
FR2799816B1 (fr) * 1999-10-19 2002-03-22 Valeo Vision Projecteur de vehicule a occulteur mobile
DE60202105T2 (de) * 2001-08-14 2005-12-01 Stanley Electric Co. Ltd. Fahrzeugscheinwerfer
FR2831497B1 (fr) 2001-10-30 2004-07-09 Valeo Vision Dispositif d'eclairage de type elliptique pour vehicule automobile
JP3995919B2 (ja) * 2001-11-08 2007-10-24 株式会社小糸製作所 車両用前照灯
JP3967153B2 (ja) * 2002-03-04 2007-08-29 株式会社小糸製作所 車両用前照灯
EP1805553A1 (en) * 2004-10-18 2007-07-11 Koninklijke Philips Electronics N.V. Beam shapers using electrically controllable scattering

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2320908A1 (de) * 1973-04-25 1974-11-07 Patra Patent Treuhand Kraftfahrzeugscheinwerfer
FR2514106A1 (fr) * 1981-10-01 1983-04-08 Cibie Projecteurs Perfectionnements aux projecteurs de vehicules automobiles emettant un faisceau coupe
FR2583499B1 (fr) * 1985-06-14 1989-10-27 Cibie Projecteurs Projecteur de vehicule automobile a variation de faisceau

Also Published As

Publication number Publication date
FR2669399B1 (fr) 1994-04-01
DE4137332A1 (de) 1992-05-21
FR2669399A1 (fr) 1992-05-22
IT1247780B (it) 1994-12-30
IT9067898A1 (it) 1992-05-17

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971127