Graphic image generating apparatus with automatic demonstration

Details Graphic image generating apparatus with automatic demonstration Graphic image generating apparatus with automatic demonstration

1993-05-24

1996-04-30

Herndon, Heather R.

Education and demonstration

Means for demonstrating apparatus, product, or surface...

434 81, 395161, 345179, 345122, G06F 1700

Patent

active

055119832

ABSTRACT:
An image generating apparatus for preparing a drawing using an image display apparatus. The image generating apparatus has a power source turn-on detection unit for instructing starting of an image forming program for forming a series of consecutive images previously stored in a ROM. When the power turn-on detection unit detects power source turn-on, a power turn-on detection signal is transmitted via an I/O interface to a central processing unit, which then reads a demonstration program from the ROM to start displaying the demonstration image on a display. When the coordinate detection unit and the key switch pressing detecting unit detect the pressure information on buttons on a tablet and key switches, the pressure information is transmitted via the I/O interface to the central processing unit. Under control by the central processing unit, the execution of the image generating program is interrupted and image data formed up to that time is maintained in RAM to enable image data formed by a trajectory drawn on the tablet to be added to the image data maintained in RAM.

REFERENCES:
patent: 4633416 (1986-12-01), Walker
patent: 4764763 (1988-08-01), Wickstead et al.
patent: 4841291 (1989-06-01), Swix et al.
patent: 4952051 (1990-08-01), Lovell et al.
patent: 4958147 (1990-09-01), Kanema
patent: 5404437 (1995-04-01), Nguyen

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