FR2381644A1 - Circuit de commande pour miroirs retroviseurs a cristaux liquides pour vehicules automobiles - Google Patents

Circuit de commande pour miroirs retroviseurs a cristaux liquides pour vehicules automobiles

Info

Publication number
FR2381644A1
FR2381644A1 FR7805425A FR7805425A FR2381644A1 FR 2381644 A1 FR2381644 A1 FR 2381644A1 FR 7805425 A FR7805425 A FR 7805425A FR 7805425 A FR7805425 A FR 7805425A FR 2381644 A1 FR2381644 A1 FR 2381644A1
Authority
FR
France
Prior art keywords
output
liquid crystal
input
control circuit
motor vehicles
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.)
Withdrawn
Application number
FR7805425A
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.)
Fiat SpA
Original Assignee
Fiat 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 Fiat SpA filed Critical Fiat SpA
Publication of FR2381644A1 publication Critical patent/FR2381644A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/02—Rear-view mirror arrangements
    • B60R1/08—Rear-view mirror arrangements involving special optical features, e.g. avoiding blind spots, e.g. convex mirrors; Side-by-side associations of rear-view and other mirrors
    • B60R1/083—Anti-glare mirrors, e.g. "day-night" mirrors
    • B60R1/088—Anti-glare mirrors, e.g. "day-night" mirrors using a cell of electrically changeable optical characteristic, e.g. liquid-crystal or electrochromic mirrors

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

Circuit de commande de la tension électrique appliquée aux couches conductrices d'une cellule à cristaux liquides qui fait partie d'un miroir rétroviseur. Ce circuit se distingue en ce qu'il comprend un diviseur résistant alimenté par la source de courant continu 3 et comprenant une résistance 6 et une photorésistance 9, un inverseur logique 10, un oscillateur 19 alimenté par cette source de courant 3 et servant à fournir une onde carrée, une première porte logique NON-ET 16 présentant une première entrée 17, une seconde entrée 15 et une sortie, une seconde porte logique NON-ET 24 présentant une première entrée 25 reliée à la sortie 20 de la première porte NON-ET, une seconde entrée 26 et une sortie 27, un conducteur 28 reliant la sortie 27 à l'une des couches conductrices 32 d'une cellule à cristaux liquides 40 et un conducteur 30 reliant la sortie 20 de la premiere porte logique NON-ET 16 à l'autre couche conductrice 33.
FR7805425A 1977-02-25 1978-02-24 Circuit de commande pour miroirs retroviseurs a cristaux liquides pour vehicules automobiles Withdrawn FR2381644A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT45207/77A IT1117275B (it) 1977-02-25 1977-02-25 Metodo e dispositivo automatico per l attenzione dei fenomeni di abbagliamento in luce riflessa

Publications (1)

Publication Number Publication Date
FR2381644A1 true FR2381644A1 (fr) 1978-09-22

Family

ID=11256724

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7805425A Withdrawn FR2381644A1 (fr) 1977-02-25 1978-02-24 Circuit de commande pour miroirs retroviseurs a cristaux liquides pour vehicules automobiles

Country Status (9)

Country Link
US (1) US4161653A (fr)
AT (1) AT354269B (fr)
BE (1) BE864310A (fr)
ES (1) ES467271A1 (fr)
FR (1) FR2381644A1 (fr)
GB (1) GB1574674A (fr)
IT (1) IT1117275B (fr)
SE (1) SE7802123L (fr)
SU (1) SU869549A3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0048266A1 (fr) * 1980-03-25 1982-03-31 BELGOROD, Barry M. Verres de lunettes possedant une densite commandee variableen continu et un temps de reponse rapide
EP0111907A2 (fr) * 1982-12-16 1984-06-27 Nippondenso Co., Ltd. Réflecteur non-éblouissant
DE3302630A1 (de) * 1983-01-27 1984-08-16 Daimler-Benz Ag, 7000 Stuttgart Elektrisch abblendbarer rueckspiegel fuer kraftfahrzeuge
EP0151286A2 (fr) * 1983-12-27 1985-08-14 Nippondenso Co., Ltd. Appareil de commande pour miroir de réflexion d'un véhicule
FR2702719A1 (fr) * 1993-03-19 1994-09-23 Dynaprog Sarl Rétroviseur anti-éblouissant à filtre électro-optique.

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US4491390A (en) * 1982-05-06 1985-01-01 Tong Shen Hsieh Automatic liquid-crystal light shutter
EP0146672B1 (fr) * 1983-11-14 1988-10-19 Nippondenso Co., Ltd. Appareil de commande pour un miroir à cristal liquide anti-éblouissant
JPS60104925A (ja) * 1983-11-14 1985-06-10 Nippon Denso Co Ltd 液晶素子駆動装置
US4623222A (en) * 1983-11-14 1986-11-18 Nippondenso Co., Ltd. Liquid crystal type dazzle-free transmissive-reflective mirror
JPS60117218A (ja) * 1983-11-29 1985-06-24 Nippon Denso Co Ltd 液晶防眩型反射鏡
JPS60143301A (ja) * 1983-12-29 1985-07-29 Nippon Denso Co Ltd 防眩型反射鏡とその製造方法
JPS60148733A (ja) * 1984-01-12 1985-08-06 Nippon Denso Co Ltd 車両用防眩型反射鏡駆動装置
JPS60169347A (ja) * 1984-02-13 1985-09-02 Nippon Denso Co Ltd 車両用防眩型反射鏡駆動装置
JPS60174342A (ja) * 1984-02-16 1985-09-07 Nippon Denso Co Ltd 車両用防眩型反射鏡駆動装置
JPS60178402A (ja) * 1984-02-27 1985-09-12 Nippon Denso Co Ltd ハ−フミラ−
DE3411048A1 (de) * 1984-03-26 1985-09-26 Rainer 6072 Dreieich Bauer Schaltung zur ansteuerung von fluessigkristallschichten und anordnung zu ihrer anwendung
JPS60156528U (ja) * 1984-03-28 1985-10-18 株式会社東海理化電機製作所 防眩ミラ−
JPS6159301A (ja) * 1984-08-30 1986-03-26 Nippon Denso Co Ltd 防眩型反射鏡制御装置
EP0236361A1 (fr) * 1985-09-06 1987-09-16 Consolidated Technology Pty. Ltd. Procede et appareil de commande d'un dispositif a cristaux liquides
US4712879A (en) * 1986-04-02 1987-12-15 Donnelly Corporation Electrochromic mirror
US4793690A (en) * 1986-07-18 1988-12-27 Donnelly Corporation Rearview mirror control circuit
US4799768A (en) * 1987-04-27 1989-01-24 Donnelly Corporation Automatic rearview mirror with filtered light sensors
GB8827603D0 (en) * 1988-11-25 1988-12-29 Meek A A R Mirrors
US4988140A (en) * 1989-12-08 1991-01-29 Prince Corporation Visor with an electrically controlled vanity mirror cover
US5148014A (en) * 1990-08-10 1992-09-15 Donnelly Corporation Mirror system with remotely actuated continuously variable reflectant mirrors
US5122647A (en) * 1990-08-10 1992-06-16 Donnelly Corporation Vehicular mirror system with remotely actuated continuously variable reflectance mirrors
US5446576A (en) * 1990-11-26 1995-08-29 Donnelly Corporation Electrochromic mirror for vehicles with illumination and heating control
EP0498143B1 (fr) * 1991-02-08 1996-09-25 Alberto Agostini Dispositif anti-éblouissement actif pour conducteur de voiture automobile et autre véhicule
US5113275A (en) * 1991-07-03 1992-05-12 Bell Communications Research, Inc. Temperature compensation of liquid-crystal etalon filters
US5193029A (en) * 1991-11-19 1993-03-09 Donnelly Corporation Single sensor adaptive drive circuit for rearview mirror system
US5877897A (en) 1993-02-26 1999-03-02 Donnelly Corporation Automatic rearview mirror, vehicle lighting control and vehicle interior monitoring system using a photosensor array
US6822563B2 (en) 1997-09-22 2004-11-23 Donnelly Corporation Vehicle imaging system with accessory control
US5910854A (en) 1993-02-26 1999-06-08 Donnelly Corporation Electrochromic polymeric solid films, manufacturing electrochromic devices using such solid films, and processes for making such solid films and devices
US7339149B1 (en) 1993-02-26 2008-03-04 Donnelly Corporation Vehicle headlight control using imaging sensor
US5670935A (en) 1993-02-26 1997-09-23 Donnelly Corporation Rearview vision system for vehicle including panoramic view
US5550677A (en) * 1993-02-26 1996-08-27 Donnelly Corporation Automatic rearview mirror system using a photosensor array
US5521744A (en) * 1993-12-02 1996-05-28 Mirror Systems, Inc. Dimmable safety mirror suitable for motor vehicles and method of operation
GB2288404B (en) * 1994-03-14 1998-09-02 Nippon Zeon Co Composition of epoxy group-containing cycloolefin resin
US5668663A (en) 1994-05-05 1997-09-16 Donnelly Corporation Electrochromic mirrors and devices
US6891563B2 (en) 1996-05-22 2005-05-10 Donnelly Corporation Vehicular vision system
US7655894B2 (en) 1996-03-25 2010-02-02 Donnelly Corporation Vehicular image sensing system
US8294975B2 (en) 1997-08-25 2012-10-23 Donnelly Corporation Automotive rearview mirror assembly
US6326613B1 (en) 1998-01-07 2001-12-04 Donnelly Corporation Vehicle interior mirror assembly adapted for containing a rain sensor
US6124886A (en) 1997-08-25 2000-09-26 Donnelly Corporation Modular rearview mirror assembly
US6172613B1 (en) 1998-02-18 2001-01-09 Donnelly Corporation Rearview mirror assembly incorporating vehicle information display
ES1038631Y (es) * 1997-10-30 1999-01-01 Vidal Domingo Luis Sistema anti-deslumbramiento para espejos retrovisores.
US8288711B2 (en) 1998-01-07 2012-10-16 Donnelly Corporation Interior rearview mirror system with forwardly-viewing camera and a control
US6445287B1 (en) 2000-02-28 2002-09-03 Donnelly Corporation Tire inflation assistance monitoring system
US6329925B1 (en) 1999-11-24 2001-12-11 Donnelly Corporation Rearview mirror assembly with added feature modular display
US6477464B2 (en) 2000-03-09 2002-11-05 Donnelly Corporation Complete mirror-based global-positioning system (GPS) navigation solution
US6693517B2 (en) 2000-04-21 2004-02-17 Donnelly Corporation Vehicle mirror assembly communicating wirelessly with vehicle accessories and occupants
US7370983B2 (en) 2000-03-02 2008-05-13 Donnelly Corporation Interior mirror assembly with display
US7167796B2 (en) 2000-03-09 2007-01-23 Donnelly Corporation Vehicle navigation system for use with a telematics system
WO2007053710A2 (fr) 2005-11-01 2007-05-10 Donnelly Corporation Retroviseur interieur a affichage
AU2001243285A1 (en) 2000-03-02 2001-09-12 Donnelly Corporation Video mirror systems incorporating an accessory module
US7581859B2 (en) 2005-09-14 2009-09-01 Donnelly Corp. Display device for exterior rearview mirror
ES2287266T3 (es) 2001-01-23 2007-12-16 Donnelly Corporation Sistema de iluminacion de vehiculos mejorado.
US7255451B2 (en) 2002-09-20 2007-08-14 Donnelly Corporation Electro-optic mirror cell
US6918674B2 (en) 2002-05-03 2005-07-19 Donnelly Corporation Vehicle rearview mirror system
WO2003105099A1 (fr) 2002-06-06 2003-12-18 Donnelly Corporation Systeme de miroir de courtoisie interieur a boussole
US7329013B2 (en) 2002-06-06 2008-02-12 Donnelly Corporation Interior rearview mirror system with compass
AU2003278863A1 (en) 2002-09-20 2004-04-08 Donnelly Corporation Mirror reflective element assembly
WO2004103772A2 (fr) 2003-05-19 2004-12-02 Donnelly Corporation Assemblage de retroviseur pour vehicule
US7310177B2 (en) 2002-09-20 2007-12-18 Donnelly Corporation Electro-optic reflective element assembly
US7156542B2 (en) * 2002-12-13 2007-01-02 Ford Global Technologies, Llc Vehicle headlight system having digital beam-forming optics
US7446924B2 (en) 2003-10-02 2008-11-04 Donnelly Corporation Mirror reflective element assembly including electronic component
US7308341B2 (en) 2003-10-14 2007-12-11 Donnelly Corporation Vehicle communication system
US7526103B2 (en) 2004-04-15 2009-04-28 Donnelly Corporation Imaging system for vehicle
US7881496B2 (en) 2004-09-30 2011-02-01 Donnelly Corporation Vision system for vehicle
EP1883855B1 (fr) 2005-05-16 2011-07-20 Donnelly Corporation Ensemble de retroviseur de vehicule comportant des informations sur l'element reflecteur
US7972045B2 (en) 2006-08-11 2011-07-05 Donnelly Corporation Automatic headlamp control system
EP3624086A1 (fr) 2007-01-25 2020-03-18 Magna Electronics Inc. Système de détection de radar pour véhicule
US7914187B2 (en) 2007-07-12 2011-03-29 Magna Electronics Inc. Automatic lighting system with adaptive alignment function
US8017898B2 (en) 2007-08-17 2011-09-13 Magna Electronics Inc. Vehicular imaging system in an automatic headlamp control system
WO2009036176A1 (fr) 2007-09-11 2009-03-19 Magna Electronics Système d'imagerie pour véhicule
US8446470B2 (en) 2007-10-04 2013-05-21 Magna Electronics, Inc. Combined RGB and IR imaging sensor
US8154418B2 (en) 2008-03-31 2012-04-10 Magna Mirrors Of America, Inc. Interior rearview mirror system
US20100020170A1 (en) 2008-07-24 2010-01-28 Higgins-Luthman Michael J Vehicle Imaging System
US9126525B2 (en) 2009-02-27 2015-09-08 Magna Electronics Inc. Alert system for vehicle
CN102481874B (zh) 2009-07-27 2015-08-05 马格纳电子系统公司 停车辅助系统
US8890955B2 (en) 2010-02-10 2014-11-18 Magna Mirrors Of America, Inc. Adaptable wireless vehicle vision system based on wireless communication error
US9117123B2 (en) 2010-07-05 2015-08-25 Magna Electronics Inc. Vehicular rear view camera display system with lifecheck function
US8620523B2 (en) * 2011-06-24 2013-12-31 Gentex Corporation Rearview assembly with multiple ambient light sensors
EP2740003B1 (fr) 2011-08-05 2017-06-14 Gentex Corporation Ensemble optique pour un capteur de lumière
US9870753B2 (en) 2013-02-12 2018-01-16 Gentex Corporation Light sensor having partially opaque optic
US9207116B2 (en) 2013-02-12 2015-12-08 Gentex Corporation Light sensor
DE102013203531B3 (de) * 2013-03-01 2014-05-22 Magna Mirrors Holding Gmbh Rückspiegelanordnung für Kraftfahrzeuge
US10875403B2 (en) 2015-10-27 2020-12-29 Magna Electronics Inc. Vehicle vision system with enhanced night vision
US10132971B2 (en) 2016-03-04 2018-11-20 Magna Electronics Inc. Vehicle camera with multiple spectral filters
CN105922938B (zh) * 2016-04-26 2020-09-25 北京兴科迪科技有限公司 一种轻量化防眩目后视镜及其制作方法
DE102016218084B3 (de) 2016-09-21 2018-05-09 Magna Mirrors Holding Gmbh Fahrzeugspiegel mit Beschriftung

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US3862798A (en) * 1973-11-19 1975-01-28 Charles L Hopkins Automatic rear view mirror adjuster
US3907405A (en) * 1972-05-30 1975-09-23 Matsushita Electric Ind Co Ltd Liquid crystal display system

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US3614210A (en) * 1969-11-06 1971-10-19 Rca Corp Liquid crystal day/night mirror

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US3907405A (en) * 1972-05-30 1975-09-23 Matsushita Electric Ind Co Ltd Liquid crystal display system
US3862798A (en) * 1973-11-19 1975-01-28 Charles L Hopkins Automatic rear view mirror adjuster

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0048266A1 (fr) * 1980-03-25 1982-03-31 BELGOROD, Barry M. Verres de lunettes possedant une densite commandee variableen continu et un temps de reponse rapide
EP0048266A4 (fr) * 1980-03-25 1984-11-05 Barry M Belgorod Verres de lunettes possedant une densite commandee variableen continu et un temps de reponse rapide.
EP0111907A2 (fr) * 1982-12-16 1984-06-27 Nippondenso Co., Ltd. Réflecteur non-éblouissant
EP0111907A3 (en) * 1982-12-16 1985-01-09 Nippondenso Co., Ltd. Non-glaring type reflector
DE3302630A1 (de) * 1983-01-27 1984-08-16 Daimler-Benz Ag, 7000 Stuttgart Elektrisch abblendbarer rueckspiegel fuer kraftfahrzeuge
EP0151286A2 (fr) * 1983-12-27 1985-08-14 Nippondenso Co., Ltd. Appareil de commande pour miroir de réflexion d'un véhicule
EP0151286A3 (fr) * 1983-12-27 1987-12-16 Nippondenso Co., Ltd. Appareil de commande pour miroir de réflexion d'un véhicule
FR2702719A1 (fr) * 1993-03-19 1994-09-23 Dynaprog Sarl Rétroviseur anti-éblouissant à filtre électro-optique.

Also Published As

Publication number Publication date
SE7802123L (sv) 1978-08-26
ATA136778A (de) 1979-05-15
IT1117275B (it) 1986-02-17
SU869549A3 (ru) 1981-09-30
ES467271A1 (es) 1978-10-16
AT354269B (de) 1979-12-27
US4161653A (en) 1979-07-17
GB1574674A (en) 1980-09-10
BE864310A (fr) 1978-06-16

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Legal Events

Date Code Title Description
RE Withdrawal of published application
ST Notification of lapse