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US Patent 5920303 - Dynamic keyboard and method for dynamically redefining keys on a keyboard

US Patent Issued on July 6, 1999
Estimated Patent Expiration Date: Icon_subject December 15, 2017Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
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Abstract

pe1A dynamic keyboard includes a plurality of keys, each with an associated symbol, which are dynamically redefinable to provide access to higher level keyboards. Based on sequenced symbols of keys sequentially activated, certain dynamic categories and subcategories can be accessed and keys corresponding thereto dynamically redefined. Dynamically redefined keys can include embellished symbols and/or newly displayed symbols. These dynamically redefined keys can then provide the user with the ability to easily access both core and fringe vocabulary words in a speech synthesis system.

Other References

  • "An Interactive Keyboard for Man-Computer Communication" by Larry L. Wear and Richard C. Dorf, Proceedings of the spring joint computer conference, Atlantic City, NJ, May 5-7, 1970, pp. 607-612
  • "WORDS+" Talking Screen User Manual, Copywright 1992, P.O. Box 1229, Lancaster, CA 93584
  • "Lingraphica" Clinical Manual V 2.2, Copywright 1993, 1994 Tolfa Corp., 1001 N. Rengstorff Ave, Mountain View, CA 94043
  • "Dynavox" by Sentient Systems Technology, Inc. Instruction Manual, Version 2.0, 1993
  • "DynaSyms 2000" Manual and User's Handbook, Version 2.0 by Faith Carlson, Sentient Systems Technology, Inc., Pittsburgh, PA 15203, 1992
  • "Speaking Dynamically" by King Software Development, Mayer-Johnson Co., Copyright 1993
  • "DynaVox 2 and 2c" Augmentative Communication Devices: Sentient Systems Technology, Inc.; published Feb. 1996
  • "Minserts Utilizing the Power of Minspeak", Prentke Romich Company, Wooster, OH; Mar. 1992, pp. 1-4
  • Sentient Systems Technology, Inc. 1995 Augmentative Communication Product Catalog, Apr.-May 1995
  • "Introducing Pegasus" from "The Key" Newsletter, vol. 7, No. 1; Jan. Feb. Mar. 1995; pp. 1-

Inventors

Assignee

Application

No. 990740 filed on 12/15/1997

US Classes:

345/172, Having programmable function key340/825.19, Communication or control for the handicapped434/112, COMMUNICATION AIDS FOR THE HANDICAPPED708/145, Plural function key708/146Key sequencing (i.e., sequence defines function)

Field of Search

345/168, Including keyboard345/170, Light source associated with each key345/172, Having programmable function key345/173, Touch panel340/825.19, Communication or control for the handicapped341/22, Including keyboard or keypad341/28, For pictorial or ideographic characters (e.g., design, chinese or japanese characters)434/112COMMUNICATION AIDS FOR THE HANDICAPPED

Examiners

Primary: Mengistu, Amare

US Patent References

4661916, System for method for producing synthetic plural word messages
Issued on: 04/28/1987
Inventor: Baker ,   et al.
5097425, Predictive scanning input system for rapid selection of visual indicators
Issued on: 03/17/1992
Inventor: Baker, et al.
5169342, Method of communicating with a language deficient patient
Issued on: 12/08/1992
Inventor: Steele, et al.
5210689, System and method for automatically selecting among a plurality of input modes
Issued on: 05/11/1993
Inventor: Baker, et al.
5297041, Predictive scanning input system for rapid selection of auditory and visual indicators
Issued on: 03/22/1994
Inventor: Kushler, et al.
5299125, Natural language processing system and method for parsing a plurality of input symbol sequences into syntactically or pragmatically correct word messages
Issued on: 03/29/1994
Inventor: Baker, et al.
5309546, System for method for producing synthetic plural word messages
Issued on: 05/03/1994
Inventor: Baker, et al.
5317671, System for method for producing synthetic plural word messages
Issued on: 05/31/1994
Inventor: Baker, et al.
5612716, Image display device
Issued on: 03/18/1997
Inventor: Chida, et al.
5659338Electronic apparatuses which displays various graphic data at the time of power-on
Issued on: 08/19/1997
Inventor: Nakasuji, et al.

International Classes

G09G 005/00
G09G 005/36

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