Magnetic display unit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jun 7, 1988
Grant Date -
N/A
app pub date -
Aug 31, 1987
filing date -
Aug 29, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A magnetic display unit in which a magnetic panel encloses a colored liquid in which magnetic particles are dispersed. A recording head moves over the panel and has a plurality of electromagnets arranged with at least three electromagnets on each of parallel lines inclined to the direction of movement of the recording heads with all the electromagnets being arranged on equal pitch perpendicular to this movement direction. The electromagnets are selectively actuated as the recording head moves to write a dot pattern.
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