Invention Grant
- Patent Title: Digitizer using position-unique optical signals
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Application No.: US14689533Application Date: 2015-04-17
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Publication No.: US09710074B2Publication Date: 2017-07-18
- Inventor: Bernard O. Geaghan
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M Innovative Properties Company
- Current Assignee: 3M Innovative Properties Company
- Current Assignee Address: US MN St. Paul
- Agent Robert S. Moshrefzadeh
- Main IPC: G06F3/042
- IPC: G06F3/042 ; G06F3/0354 ; G06F1/32 ; G06F3/038
Abstract:
The present invention provides systems and methods of using a stylus that houses optics and a detector capable of receiving optical signals that are combined with a displayed image. Stylus position determination is made by analyzing received optical signals.
Public/Granted literature
- US20150220167A1 DIGITIZER USING POSITION-UNIQUE OPTICAL SIGNALS Public/Granted day:2015-08-06
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