Graphics pen for soft displays

摘要: A graphics input device for use with location indicating means to present graphic data upon a computer controlled visual display. The includes pen having housing within which is disposed conductive stylus shaft, one end extending beyond the serve as writing tip. cylindrical off-axis pressure transducer encircles portion of shaft housing, adjacent its end, generating variable output electrical signal proportional force applied independently rotational orientation pen. display processing and control system receives signals modifies characteristic in response thereto.