Back to results
US 6,957,923 B2Granted
Electronically controllable pen device
AssigneeSilverbrook Research Pty Ltd
InventorsPaul Lapstun, Kia Silverbrook, Tobin Allen King
Life of this patent
Estimating the term…
Abstract
The present invention provides a pen which includes a marking device, the pen being operative to mark a visible path onto a surface, the marking device being electronically controllable to change an attribute of the path, the pen including a user interface whereby a user may modify the attribute, the pen including at least one sensing device for sensing images or colors or both.
Claims17
A pen, including:
- a user interface for placing the pen into a select mode;
- a marking device operable to mark a visible path onto a surface in accordance with at least one current attribute value, a visible appearance of the marked path being electronically controllable on the basis of the at least one current attribute value;
- a memory for storing at least one set of the attribute values;
- and
- a switch for controlling the marking device, the switch being activated by sensing a compression force when a uses used the pen to mark a visible path on the surface;
- wherein, in the select mode, the pen is configured to:
- (a) determine, using the switch, that the user has used, the pen to mark a visible path;
- (b) for each of a plurality of sequential visible paths marked using the pen, selecting a different one of the attribute values from the memory and making it the current attribute value.
5 more elements
Dependencies are inferred from the claim text.