Invention Grant
- Patent Title: Electronic writing and erasing pencil
- Patent Title (中): 电子书写和擦除铅笔
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Application No.: US10670479Application Date: 2003-09-25
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Publication No.: US07095404B2Publication Date: 2006-08-22
- Inventor: Kent D. Vincent , R. Stanley Williams , Xiao-An Zhang
- Applicant: Kent D. Vincent , R. Stanley Williams , Xiao-An Zhang
- Applicant Address: US TX Houston
- Assignee: Hewlett-Packard Development Company, L.P.
- Current Assignee: Hewlett-Packard Development Company, L.P.
- Current Assignee Address: US TX Houston
- Main IPC: G09G5/00
- IPC: G09G5/00 ; G09G3/38
Abstract:
An electronic writing instrument for rewritable electronic writing surfaces. A self-powered, untethered, pencil-like instrument uses a perpendicular fringe field for changing the orientation of pixels composed of bistable, bichromal colorant elements. An appendix hereto describes bistable, bichromal, molecular colorant.
Public/Granted literature
- US20040041799A1 Electronic writing and erasing pencil Public/Granted day:2004-03-04
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