FR2224779B1 - - Google Patents

Info

Publication number
FR2224779B1
FR2224779B1 FR7408773A FR7408773A FR2224779B1 FR 2224779 B1 FR2224779 B1 FR 2224779B1 FR 7408773 A FR7408773 A FR 7408773A FR 7408773 A FR7408773 A FR 7408773A FR 2224779 B1 FR2224779 B1 FR 2224779B1
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
FR7408773A
Other versions
FR2224779A1 (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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2224779A1 publication Critical patent/FR2224779A1/fr
Application granted granted Critical
Publication of FR2224779B1 publication Critical patent/FR2224779B1/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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
FR7408773A 1973-04-06 1974-03-05 Expired FR2224779B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34855073A 1973-04-06 1973-04-06

Publications (2)

Publication Number Publication Date
FR2224779A1 FR2224779A1 (fr) 1974-10-31
FR2224779B1 true FR2224779B1 (fr) 1976-12-17

Family

ID=23368512

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7408773A Expired FR2224779B1 (fr) 1973-04-06 1974-03-05

Country Status (2)

Country Link
JP (1) JPS49131597A (fr)
FR (1) FR2224779B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH625630A5 (fr) * 1979-07-06 1981-09-30 Ebauches Sa

Also Published As

Publication number Publication date
FR2224779A1 (fr) 1974-10-31
JPS49131597A (fr) 1974-12-17

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Legal Events

Date Code Title Description
ST Notification of lapse