FR2148144B3 - - Google Patents

Info

Publication number
FR2148144B3
FR2148144B3 FR7227667A FR7227667A FR2148144B3 FR 2148144 B3 FR2148144 B3 FR 2148144B3 FR 7227667 A FR7227667 A FR 7227667A FR 7227667 A FR7227667 A FR 7227667A FR 2148144 B3 FR2148144 B3 FR 2148144B3
Authority
FR
France
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
FR7227667A
Other versions
FR2148144A1 (fr
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.)
Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH
Original Assignee
Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH
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 Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH filed Critical Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH
Publication of FR2148144A1 publication Critical patent/FR2148144A1/fr
Application granted granted Critical
Publication of FR2148144B3 publication Critical patent/FR2148144B3/fr
Expired legal-status Critical Current

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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
FR7227667A 1971-08-04 1972-08-01 Expired FR2148144B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712138946 DE2138946B2 (de) 1971-08-04 1971-08-04 Modulatorschaltung zum erzielen einer steilen lichtstreuungskurve einer fluessigkristallzelle

Publications (2)

Publication Number Publication Date
FR2148144A1 FR2148144A1 (fr) 1973-03-11
FR2148144B3 true FR2148144B3 (fr) 1975-09-12

Family

ID=5815711

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7227667A Expired FR2148144B3 (fr) 1971-08-04 1972-08-01

Country Status (4)

Country Link
AT (1) AT322014B (fr)
DE (1) DE2138946B2 (fr)
FR (1) FR2148144B3 (fr)
NL (1) NL7210660A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4655561A (en) * 1983-04-19 1987-04-07 Canon Kabushiki Kaisha Method of driving optical modulation device using ferroelectric liquid crystal
JPS6152630A (ja) * 1984-08-22 1986-03-15 Hitachi Ltd 液晶素子の駆動方法

Also Published As

Publication number Publication date
NL7210660A (fr) 1973-02-06
AT322014B (de) 1975-04-25
FR2148144A1 (fr) 1973-03-11
DE2138946A1 (de) 1973-02-15
DE2138946B2 (de) 1973-06-20

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Legal Events

Date Code Title Description
ST Notification of lapse