Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel
Patent
1991-11-21
1994-04-12
Oberley, Alvin E.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Light pen for fluid matrix display panel
345125, 345113, 345145, 395139, G09G 106
Patent
active
053029674
ABSTRACT:
A figure processing method and a figure processing apparatus having a function to automatically display suitable ruling lines for drafting and editing a figure by utilizing a display screen are disclosed. The method and the apparatus determine sort of displaying ruled lines such as lattice, circle and rectangle in relation to shape of a subjected figure and also a figure constructing procedure, and determine coordinates of an adequate datum point of the ruled lines on the display screen depending upon the shape of the subjected figure, then display configuration of the ruling lines on the display screen relying on coordinates of the datum point. The method and apparatus acquire coordinates of a point designated by an operator and modify the coordinates of the designated point relying on the ruling lines, then perform the figure constructing procedure on the figure relying of the modified coordinates of the designated point.
REFERENCES:
patent: 4267573 (1981-05-01), Chaikin et al.
patent: 4532605 (1985-07-01), Waller
patent: 4686522 (1987-08-01), Hernandez et al.
patent: 4701752 (1987-10-01), Wang
patent: 4745405 (1988-05-01), Himelstein et al.
patent: 4746916 (1988-05-01), Sanbe
patent: 4813013 (1989-03-01), Dunn
patent: 5019809 (1991-05-01), Chen
Hitachi User Manual for "2050 OFIS/SKETCH2 -EV", (Provided in Japanese) pp. 26, and 75-79.
Macintosh User Manual for "Superpaint", Chapter 12, pp. 4-180-4-185. (Provided in English).
Yanagi Kunihiro
Yonezawa Kay
Hitachi , Ltd.
Oberley Alvin E.
Wu Xiao M.
LandOfFree
Figure processing apparatus and method aided by display with rul does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Figure processing apparatus and method aided by display with rul, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Figure processing apparatus and method aided by display with rul will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2102120