Scan type display device with image scanning function

A scan type display device has a device body carrying a light emitting cell array, in which a plurality of light emitting cell arrays are aligned on a line, for scanning aerial plane to display a desired image by residual image effect. The light emitting cells are selectively illuminated according t...

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Bibliographic Details
Main Authors TOYOTARO TOKIMOTO, HIROSHI YAJIMA
Format Patent
LanguageEnglish
Published 24.07.1996
Edition6
Subjects
ADVERTISING
CRYPTOGRAPHY
DISPLAY
DISPLAYING
EDUCATION
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LABELS OR NAME-PLATES
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
SEALS
SIGNS
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Summary:A scan type display device has a device body carrying a light emitting cell array, in which a plurality of light emitting cell arrays are aligned on a line, for scanning aerial plane to display a desired image by residual image effect. The light emitting cells are selectively illuminated according to an image data stored in a memory in synchronism with motion of the device body. The display device also has at least one light receiving element provided on the device body in a positional relationship with the light emitting cell array in such a manner that, when an image carrying medium containing an image to be sampled is placed in close proximity to the light emitting cell array in opposition and the light emitting cells in the light emitting cell array are selectively illuminated, a reflected light from the image carrying medium is received by the light receiving element for sampling the image on the image carrying medium.
Bibliography:Application Number: CN19941019545