Image display apparatus capable of selective and partial erasure

Details Image display apparatus capable of selective and partial erasure Image display apparatus capable of selective and partial erasure

1985-11-01

1988-06-21

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340706, 340723, G09G 116

Patent

active

047527730

ABSTRACT:
An image display apparatus wherein a plurality of images having different attributes, such as printed text, a drawing, hand-written data and a natural picture, displayed in superposition on a display screen, are selectively and partially erased. "In this way, it is possible that" the image having a specific attribute, for example, hand-written data, in a designated area selectively erased. Accordingly, operability of the system is improved where a plurality of images having different attributes are superimposed.

REFERENCES:
patent: 4509043 (1985-04-01), Mossaides
patent: 4590558 (1986-05-01), Glover et al.
patent: 4616336 (1986-10-01), Robertson et al.
patent: 4628305 (1986-12-01), Ikeda

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