Computer graphics processing and selective visual display system – Display peripheral interface input device – Including keyboard
Patent
1993-11-12
1995-04-25
Oberley, Alvin E.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Including keyboard
345168, G09G 302
Patent
active
054103339
ABSTRACT:
An ergonomic computer keyboard. The computer keyboard includes two keyboard portions having keyboard keys disposed on at least two surfaces of one keyboard portion (e.g., a top side and a bottom side) and on at least one surface of the other keyboard portion (e.g., a top side). The keyboard portions are positionable for operation between a user's fingers and thumb, are interconnected, are positionally adjustable with respect to each other and are mountable on a support mechanism for operation off of a working surface.
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IBM Technical Disclosure Bulletin, vol. 26, No. 11, Apr. 1984, pp. 5826-5827, "Hand-Held Data Input Device".
IMB Technical Disclosure Bulletin, vol. 27, No. 10A, Mar. 1985, pp. 5643-5645, "Keyboard For Handheld Computer".
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"Reinventing the Keyboard", Valley Times, May 4, 1992.
"Twiddler" by Handkey Corp. (advertisement in Mar. 1992 BYTE magazine).
Apple Computer Split Keyboard, In Marin Independent Journal, Jan. 7, 1993.
Vertical Keyboard-photograph.
Maltron Keyboard-advertisement.
Various keyboards-"Comfort", Datahand, Apple Adjustable, Vertical Kinesis, Tony and FlexPro -one page.
The "Twiddler"-three pages.
"ErgoLogic"-advertisement-one page.
"Health Care" keyboard-advertisement-one page.
"The Bat"-photograph-one page.
"Kinesis"-advertisement-one page.
Various keyboards-"Wave", Data Egg, Twiddler, Ullman and Maltron-one page.
U.S. Department of Labor, Bureau of Labor Statistics, information relating to Disorders Associated With Repeated Trauma (1982-1991)-seven pages.
Occupational Safety and Health Administration general industry ergonomics program management recommendations (see, "Working Posture and Work Position", p. 31)-ninety-five pages.
Oberley Alvin E.
Oh Minsun
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