Small-sized information processor capable of scrolling screen in

Details Small-sized information processor capable of scrolling screen in Small-sized information processor capable of scrolling screen in

1994-08-23

1997-02-11

Hjerpe, Richard

Computer graphics processing and selective visual display system

Display peripheral interface input device

Light pen for fluid matrix display panel

345156, 345126, G09G 534

Patent

active

056025661

ABSTRACT:
A small-sized information processor which is used while being held in one hand, and which can scroll a display screen in accordance with a tilt. When a scroll start switch is depressed, the tilt angle of a display unit at this time is detected as an initial tilt angle by a tilt sensor. When a predetermined time period has lapsed since the depression of the switch, the tilt angle of the display unit is detected as a second tilt angle by the tilt sensor. The initial tilt angle is subtracted from the second tilt angle by a processing unit, thereby calculating the relative tilt angle of the display unit. The processing unit scrolls the display screen of the display unit on the basis of the calculated relative tilt angle. The scrolling speed of the display unit may well be changed in accordance with the width of the relative tilt angle.

REFERENCES:
patent: 4542377 (1985-09-01), Hagen et al.
patent: 4786895 (1988-11-01), Castaneda
patent: 4985762 (1991-01-01), Smith

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