IT985834B - Schermo a trasparenza variabile - Google Patents

Schermo a trasparenza variabile

Info

Publication number
IT985834B
IT985834B IT6823673A IT6823673A IT985834B IT 985834 B IT985834 B IT 985834B IT 6823673 A IT6823673 A IT 6823673A IT 6823673 A IT6823673 A IT 6823673A IT 985834 B IT985834 B IT 985834B
Authority
IT
Italy
Prior art keywords
variable transparency
transparency screen
screen
variable
transparency
Prior art date
Application number
IT6823673A
Other languages
English (en)
Inventor
R Malvano
M Omini
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
Priority to IT6823673A priority Critical patent/IT985834B/it
Priority to BE143750A priority patent/BE814351A/xx
Priority to FR7415031A priority patent/FR2228234B1/fr
Priority to DE19742421485 priority patent/DE2421485A1/de
Priority to DE19747415555 priority patent/DE7415555U/de
Application granted granted Critical
Publication of IT985834B publication Critical patent/IT985834B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J3/00—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles
    • B60J3/04—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles adjustable in transparency
    • 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • G02F1/13318—Circuits comprising a photodetector

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Joining Of Glass To Other Materials (AREA)
IT6823673A 1973-05-03 1973-05-03 Schermo a trasparenza variabile IT985834B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT6823673A IT985834B (it) 1973-05-03 1973-05-03 Schermo a trasparenza variabile
BE143750A BE814351A (fr) 1973-05-03 1974-04-29 Ecran a transparence variable
FR7415031A FR2228234B1 (it) 1973-05-03 1974-04-30
DE19742421485 DE2421485A1 (de) 1973-05-03 1974-05-03 Schirm von veraenderlicher lichtdurchlaessigkeit
DE19747415555 DE7415555U (de) 1973-05-03 1974-05-03 Schirm von veraenderlicher lichtdurchlaessigkeit, insbesondere fuer kraftfahrzeuge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT6823673A IT985834B (it) 1973-05-03 1973-05-03 Schermo a trasparenza variabile

Publications (1)

Publication Number Publication Date
IT985834B true IT985834B (it) 1974-12-20

Family

ID=11308615

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6823673A IT985834B (it) 1973-05-03 1973-05-03 Schermo a trasparenza variabile

Country Status (4)

Country Link
BE (1) BE814351A (it)
DE (2) DE7415555U (it)
FR (1) FR2228234B1 (it)
IT (1) IT985834B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2735195C2 (de) * 1977-08-04 1982-05-06 Siemens AG, 1000 Berlin und 8000 München Blendfreier Rückspiegel
DE2735194C3 (de) * 1977-08-04 1981-06-04 Siemens AG, 1000 Berlin und 8000 München Anordnung zur Darstellung von Betriebsdaten eines Fahrzeuges
US4893903A (en) * 1985-05-06 1990-01-16 Taliq Corporation Flashing advisory sign
US4786858A (en) * 1986-12-18 1988-11-22 Xerox Corporation Liquid crystal electrostatic voltmeter
US5153760A (en) * 1990-06-13 1992-10-06 Ahmed Adel A A Oscillating photovoltaic optical shutter for reflective display
DE4121383A1 (de) * 1991-06-28 1993-01-07 Bayerische Motoren Werke Ag Aufhellen einer von zwei elektrooptisch verdunkelten fensterscheiben eines kraftfahrzeuges
DE4121845A1 (de) * 1991-07-02 1993-01-07 Hohe Kg Blendschutz fuer kraftfahrzeuge
DE4420789A1 (de) * 1994-06-15 1995-12-21 Raimund Dr Schmitz Elektronisch abblendbarer Kraftfahrzeugspiegel
DE102006006690B4 (de) * 2006-02-14 2008-07-03 Audi Ag Blendschutzvorrichtung

Also Published As

Publication number Publication date
FR2228234B1 (it) 1976-10-15
FR2228234A1 (it) 1974-11-29
BE814351A (fr) 1974-08-16
DE2421485A1 (de) 1974-11-21
DE7415555U (de) 1976-04-29

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