Ic card

An ic card for transmitting information to an external device and/or receiving information from an external device, capable of displaying information effectively making the most use of the characteristics of cholesteric liquid crystal. The ic card comprises information display means for displaying p...

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Bibliographische Detailangaben
1. Verfasser:	NOSE MASAKI,TOMITA JUNJI,SHINGAI TOMOHISA,YAMAGISHI FUMIO,NISHIDE KENZO,HASHIMOTO SHIGERU,SUGIMURA YOSHIYASU,YABE YOSHIKAZU,KISUNO FUTOSHI,HIRANO TAKAHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CALCULATING COMPUTING COUNTING CRYPTOGRAPHY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DISPLAY EDUCATION FREQUENCY-CHANGING HANDLING RECORD CARRIERS NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS SEALS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	An ic card for transmitting information to an external device and/or receiving information from an external device, capable of displaying information effectively making the most use of the characteristics of cholesteric liquid crystal. The ic card comprises information display means for displaying predetermined information by transmitting/reflecting light by a method in which a stack of cholesteric liquid crystal layers (631, 632) reflecting red light while in the planar state and a cholesteric liquid crystal layer (633) reflecting blue light, and voltages are applied to the stacked cholesteric liquid crystal layers (631, 632, 633)respectively to change the aligned state of cholesteric liquid crystal molecules between the planar and focal conic states.