Porthole window system for computer displays

Details Porthole window system for computer displays Porthole window system for computer displays

1986-01-02

1989-09-19

Harkcom, Gary V.

Boots, shoes, and leggings

340723, 382 45, 364518, G09G 100

Patent

active

048687650

ABSTRACT:
A porthole window system for computer displays allows a user to look at a portion of a window which could otherwise not be seen. A porthole window acts as an opening in a window of the usual type through which underlying windows may be seen. A porthole window can have different features as desired, including links to selected source and target windows, real time movement on the display screen, and the ability to be updated when a target window is updated. The porthole system runs concurrently with the normal window handling system of the computer.

REFERENCES:
patent: 4542376 (1985-09-01), Bass et al.
patent: 4550315 (1985-10-01), Bass et al.
patent: 4633415 (1986-12-01), Vink et al.
patent: 4642790 (1987-02-01), Minshull et al.
patent: 4648049 (1987-03-01), Dines et al.
patent: 4653020 (1987-03-01), Cheselka et al.

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