HALF TONE PICTURE DISPLAY DEVICE USING LIQUID CRYSTAL MATRIX PANEL

PURPOSE:To reduce the number of logic operation circuits and make display of multiple tones by composing a half tone picture display device using a liquid crystal matrix panel with a device for generating reference pulse width signals of 1 : 2 : 4 ... : 2 in pulse width ratio and logic operation cir...

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Bibliographische Detailangaben
1. Verfasser:	SAITOU NAOTAKE
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION 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 DISPLAYING EDUCATION FREQUENCY-CHANGING LABELS OR NAME-PLATES NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEALS SIGNS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	PURPOSE:To reduce the number of logic operation circuits and make display of multiple tones by composing a half tone picture display device using a liquid crystal matrix panel with a device for generating reference pulse width signals of 1 : 2 : 4 ... : 2 in pulse width ratio and logic operation circuits combining these signals and the digital signals from a memory unit.