Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1997-09-09
1999-11-23
Picard, Leo P.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
359742, 359817, G06F 116, H05K 716
Patent
active
059911506
ABSTRACT:
The invention makes the size of the apparent image of the display screen of the display screen larger than the real size. A flat optical magnifier such as a lens of the fresnel type is positioned in an optically enhancing location between the operator and the display screen so that the apparent image at the operator side of the magnifier is greater than the actual image that is present on the display screen. A mechanism is provided for a notebook type portable computer that is passive to a user, folds into the case when the display screen closes over the keyboard and positions a fresnel lens, coplanar with and at a fixed distance from the display screen, when the notebook computer is opened and remains at that fixed distance as the display screen moves to maximum travel.
REFERENCES:
patent: 4958907 (1990-09-01), Davis
Chiu George Liang-Tai
Cipolla Thomas Mario
Doany Fuad Elias
Karidis John Peter
Singh Rama Nand
International Business Machines - Corporation
Morris Daniel P.
Picard Leo P.
Reed John D.
Riddles Alvin J.
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