Appeal No. 95-1187
Application 08/024,495
checking for a key-data input signal from said
keyboard or remote control during a system power
standby mode of operation, and remaining in said system
power standby mode of operation until said checking
step identifies said key-data input signal as being
indicative of an input from said lock key;
displaying prompts, on a screen, for a lock
function setting state by employing an on-screen
display function when the checking step identifies said
key-data input signal as being indicative of an input
from said lock key and sequentially storing and
displaying, on said screen, a secret code input by a
user in response to said prompts;
immediately determining whether the on-screen
display system is in a locked state with said on-screen
display system preventing viewing of any video program
other than said prompts for said lock function setting
state after the secret code is input to the on-screen
display system;
storing the secret code as a lock code, clearing
said screen of said prompts and said secret code
displayed during the displaying step, and locking the
on-screen display system when the determining step
determines that the on-screen display system is not in
said locked state;
making a comparison between the secret code and a
stored lock code already in the on-screen display
system when the determining step determines that the
on-screen display system is in said locked state;
displaying an error message by utilizing the on-
screen display function when said comparison determines
that the secret code and the stored lock code do not
match each other; and
clearing the secret code from the screen and
unlocking the on-screen display system with said on-
screen display system enabling said viewing when said
comparison determines that the secret code and the
stored lock code match each other.
The rejection
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Last modified: November 3, 2007