Computer graphics processing and selective visual display system – Display peripheral interface input device – Including keyboard
Patent
1996-11-08
1998-02-10
Powell, Mark R.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Including keyboard
400 82, 400489, G09G 500
Patent
active
057174318
ABSTRACT:
A portable computer and method of operation thereof. The portable computer includes: (1) a first chassis portion hingedly coupled to a second chassis portion by first and second bulkheads to allow relative rotation between a closed position and an open position, (2) a display screen associated with the first chassis portion, (3) data processing and storage circuitry contained within the second chassis portion and coupled to the display screen via a cable located proximate a hinge structure coupling the first and second chassis portions and (4) a keyboard coupled to the second chassis portion and the data processing and storage circuitry and including: (4a) a first keyboard portion pivotally coupled to a first location on the second chassis portion for rotation relative thereto, the first keyboard portion supporting a first plurality of keys aligned along a first axis, (4b) a second keyboard portion pivotally coupled to a second location on the chassis for rotation relative thereto, the second keyboard portion supporting a second plurality of keys aligned along a second axis, and (4c) a baseplate having a plurality of peripheral tabs aligning with corresponding slots formed in the second chassis portion, the first and second keyboard portions coupled to the baseplate.
REFERENCES:
patent: D287854 (1987-01-01), Crews
patent: D314205 (1991-01-01), Lang et al.
patent: D339330 (1993-09-01), Sapper et al.
patent: 3693184 (1972-09-01), Maling
patent: 3805939 (1974-04-01), Ross
patent: 3929216 (1975-12-01), Einbinder
patent: 3945482 (1976-03-01), Einbinder
patent: 3980869 (1976-09-01), Lombardino et al.
patent: 4081068 (1978-03-01), Zapp
patent: 4201489 (1980-05-01), Zapp
patent: 4244659 (1981-01-01), Malt
patent: 4253774 (1981-03-01), Hanakata et al.
patent: 4265557 (1981-05-01), Runge
patent: 4294555 (1981-10-01), Galaske et al.
patent: 4332493 (1982-06-01), Einbinder
patent: 4414537 (1983-11-01), Grimes
patent: 4449839 (1984-05-01), Bleuer
patent: 4467321 (1984-08-01), Volnak
patent: 4483634 (1984-11-01), Frey et al.
patent: 4492158 (1985-01-01), Clark
patent: 4509873 (1985-04-01), Ryan
patent: 4522518 (1985-06-01), Schmidt
patent: 4543563 (1985-09-01), Wine
patent: 4555193 (1985-11-01), Stone
patent: 4579470 (1986-04-01), Casey
patent: 4597681 (1986-07-01), Hodges
patent: 4613247 (1986-09-01), McGunnigle
patent: 4615629 (1986-10-01), Power
patent: 4655621 (1987-04-01), Holden
patent: 4661005 (1987-04-01), Lahr
patent: 4669903 (1987-06-01), Herzog et al.
patent: 4735520 (1988-04-01), Suzuki et al.
patent: 4737040 (1988-04-01), Moon
patent: 4761522 (1988-08-01), Allen
patent: 4775255 (1988-10-01), Langley
patent: 4778295 (1988-10-01), Bleuer
patent: 4824268 (1989-04-01), Diernisse
patent: 4833446 (1989-05-01), Eilam et al.
patent: 4836700 (1989-06-01), Jensen
patent: 4849732 (1989-07-01), Dolenc
patent: 4913573 (1990-04-01), Retter
patent: 4917516 (1990-04-01), Retter
patent: 4927279 (1990-05-01), Morgan
patent: 4971465 (1990-11-01), Hashimoto
patent: 4974183 (1990-11-01), Miller
patent: 5003301 (1991-03-01), Romberg
patent: 5006001 (1991-04-01), Vulcano
patent: 5017030 (1991-05-01), Crews
patent: 5021922 (1991-06-01), Davis et al.
patent: 5029260 (1991-07-01), Rollason
patent: 5044798 (1991-09-01), Roylance et al.
patent: 5059048 (1991-10-01), Sirkin
patent: 5067834 (1991-11-01), Szmanda et al.
patent: 5073050 (1991-12-01), Andrews
patent: 5087910 (1992-02-01), Guyot-Sionnest
patent: 5122786 (1992-06-01), Rader
patent: 5129747 (1992-07-01), Hutchison
patent: 5137384 (1992-08-01), Spencer et al.
patent: 5141343 (1992-08-01), Roylance et al.
patent: 5156475 (1992-10-01), Zilberman
patent: 5160919 (1992-11-01), Mohler et al.
patent: 5166669 (1992-11-01), Ronberg
patent: 5170348 (1992-12-01), Hirose
patent: 5178477 (1993-01-01), Gambaro
patent: 5197811 (1993-03-01), Levinrad
patent: 5198991 (1993-03-01), Pollitt
patent: 5212638 (1993-05-01), Bernath
patent: 5228791 (1993-07-01), Fort
patent: 5267127 (1993-11-01), Pollitt
patent: 5270709 (1993-12-01), Niklsbacher
patent: 5281966 (1994-01-01), Walsh
patent: 5287245 (1994-02-01), Lucente et al.
patent: 5297003 (1994-03-01), Nomura et al.
patent: 5302040 (1994-04-01), Louis
patent: 5318367 (1994-06-01), Braun et al.
patent: 5332322 (1994-07-01), Gambaro
patent: 5336001 (1994-08-01), Lictenberg
patent: 5336002 (1994-08-01), Russo
patent: 5339097 (1994-08-01), Grant
patent: 5342005 (1994-08-01), Szmanda et al.
patent: 5351066 (1994-09-01), Rucker et al.
patent: 5360280 (1994-11-01), Camacho et al.
patent: 5361082 (1994-11-01), Chung
patent: 5367298 (1994-11-01), Axthelm
patent: 5372441 (1994-12-01), Louis
patent: 5426449 (1995-06-01), Danziger
patent: 5457452 (1995-10-01), Skovronski
patent: 5502460 (1996-03-01), Bowen
patent: 5519569 (1996-05-01), Sellers
patent: 5539615 (1996-07-01), Sellers
patent: 5612691 (1997-03-01), Murmann et al.
patent: 5613786 (1997-03-01), Howell et al.
Publication entitled "The Select-Ease Keyboard, an Innovative Design for Personal Flexibility" 1994 Lexmark International, Inc.
Publication by Macworld, the Macintosh.RTM. Magazine; Feb. 1990; entitled "Honey, I Split the Keyboard".
Publication by Macuser; Jun. 1995; vol. 11, No. 6, p. 57 entitled "Comfort Keyboard System/Split to Fit Your Hands".
Chia-Ying Chen
Moore Andrew W.
Ziegler Andrew G.
Dell USA L.P.
Luu Matthew
Powell Mark R.
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