Patent Number: 7,826,687

Title: Including contextual information with a formed expression

Abstract: Embodiments include a method, a manual device, a handheld manual device, a handheld writing device, a system, and an apparatus. An embodiment provides an apparatus. The apparatus includes a writing element having a first portion operable to discharge a first marking substance on a surface in response to a movement of the writing element over the surface and a second portion operable to discharge a second marking substance on the surface in response to a controller. The apparatus also includes the controller operable to encode information corresponding to a context of the apparatus by regulating the discharge of the second marking substance.

Inventors: Cohen; Alexander J. (Mill Valley, CA), Cohen; B. Isaac (Mill Valley, CA), Harlow; Ed (Boston, MA), Leuthardt; Eric C. (St. Louis, MO), Levien; Royce A. (Lexington, MA), Malamud; Mark A. (Seattle, WA)

Assignee: The Invention Science Fund I, LLC

International Classification: G06K 9/00 (20060101); G06K 9/54 (20060101); G06K 9/18 (20060101); G06K 9/60 (20060101); G06K 9/22 (20060101); G06K 9/30 (20060101); G06K 7/10 (20060101); G06F 3/033 (20060101); B42D 15/00 (20060101); G06C 1/00 (20060101)

Expiration Date: 2019-11-02 0:00:00