IMAGE DISPLAY DEVICE

PURPOSE:To make instructing operation hard to restrict and to make effective instructions at diverse attitude and display an image of explanation. CONSTITUTION:The magnetic sensor 12 of a screen 2 senses a magnetic field spot La indicated by a magnet pointer 3 and supplies its detection signal to a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KAMEYAMA NAOKI, YONEDA HAJIME
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR ADVERTISING APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CALCULATING CINEMATOGRAPHY COMPUTING COUNTING CRYPTOGRAPHY DISPLAY EDUCATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SEALS
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Beschreibung
Zusammenfassung:	PURPOSE:To make instructing operation hard to restrict and to make effective instructions at diverse attitude and display an image of explanation. CONSTITUTION:The magnetic sensor 12 of a screen 2 senses a magnetic field spot La indicated by a magnet pointer 3 and supplies its detection signal to a coordinate detection part 4, which inputs coordinate data Sa to an image signal processor 5, and the data are put together as a symbol M with the image signal Sd supplied from an image source 6 and this display signal Sc is projected by a projector 1 on the screen 2.