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US 8,348,538 B2Granted
Expressive pen
AssigneeKoninklijke Philips Electronics N.V.
InventorsEvert Jan Van Loenen, Geert Langereis, Ralph Kurt, Steffen Reymann
Life of this patent
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Abstract
A pen which is able to modulate the trace of the pen in response to a sensory signal of the user, such as for example skin conductance or respiration. The sensory signals represent the mood of the user. By changing the trace of the pen, a change in mood of the user can be expressed.
Claims17
A writing instrument comprising:
- a writing shaft;
- a sensing device for recording at least one sensory signal related to a physiological condition of a user that is indicative of a mood of the user;
- an actuator arranged to modulate a trace of the writing instrument depending on the at least one recorded sensory signal.
A computer device comprising:
- a stylus;
- a receiver for receiving at least one sensory signal related to a physiological condition of a user that is indicative of a mood of the user of the stylus;
- a processor arranged to modulate a trace of the stylus depending on the at least one sensory signal.
Method of writing comprising:
- recording at least one sensory signal related to a physiological condition of a user that is indicative of a mood of the user by means of a writing instrument comprising a sensing device;
- modulating a trace of the writing instrument depending on the at least one recorded sensory signal.
Dependencies are inferred from the claim text.