Graphics pen for soft displays
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 2, 1982
Grant Date -
N/A
app pub date -
May 19, 1980
filing date -
May 19, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A graphics input device for use with location indicating means to present graphic data upon a computer controlled visual display. The device includes a pen having a housing within which is disposed a conductive stylus shaft, one end extending beyond the housing to serve as the writing tip. A cylindrical off-axis pressure transducer encircles a portion of the stylus shaft within the housing, adjacent its writing end, for generating a variable output electrical signal proportional to the variable off-axis force applied to the stylus independently of the rotational orientation of the pen. A display processing and control system receives the variable signals and modifies a visual characteristic of the graphic data in response thereto.
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International Classification(s)
Cited Art Landscape
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