US. Patent
May 26, 1998
(
START
Sheet 2 0f 4
5,757,356
)
INITTAL
DISPLAY
5‘
S2
,
INPUT
NO
DATA
FIG. 2
DISPLAY TNPUT
POSITION
S3
CALCULATION OF
OUTPUT-READY
RELATNE CORRECTIONS
84
S5
$6
S7
DISPLAY RELATIVE
CORRECTION
VALUES
TRANSMIT
DATA '?
No
TRANSMTT
NO
58
YES
