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THE WORLD’S WRITING SYSTEMS
Charles C. Tappert School of Computer Science and Information Systems Pace University
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Tironian Alphabets 63 BC
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Stenographie Alphabet 1602
(The Art of Stenographie by John Willis)
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Stenographie Alphabet: Basic Shapes and Orientation
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GABELSBERGER Shorthand Alphabet 1834
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Moon Alphabet 1894
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Shorthand Alphabets in Pen Computing
Organek – 1991 Allen – patent 1993 Goldberg (Xerox) – patent 1997 Graffiti (Palm Computing)
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Organek Alphabet
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Gregory Allen patent, filed in 1991, patent in 1993
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Allen Alphabet: Basic Shapes and Orientations
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Goldberg Alphabet 1993
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Goldberg Alphabet: Basic Shapes and Orientations
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Goldberg Alphabet 5 Basic shapes 4 Orientations 2 Stroked Directions
40 Possible Symbols Designed for Speed of Input and Maximum Separation
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Graffiti Alphabet
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Graffiti Alphabet Designed for ease of learning
20 letters exactly match Roman Alphabets 6 remaining match partially
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Graffiti: 11 of 26 characters have alternate variation
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Frequently Confused Characters
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Other Low Performance Characters
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Frequently Confused Characters
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Other Low Performance Characters
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Symbol Overlap
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ANSI Standard Alphabet for OCR
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Palm Computing 1992 Palm Computing formed by Jeff Hawkins
(had worked for Intel, GRiD), et al. 1993 first software product was in Casio’s Zoomer (PIM, handwriting reco) 1995 bought by U.S. Robotics 1996 first PalmPilot connected organizer 1997 U.S. Robotics bought by 3Com 1998 Hawkins left to form Handspring 1999 Handspring’s Visor launched 1999 3Com released Internet-ready Palm VII 2000 Palm Computing spun off by 3Com
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