Appeal No. 2002-0386
Application No. 08/553,281
Appellants’ invention relates to a method of operating an interactive image
display system and image source device for implementing the method. An
understanding of the invention can be derived from a reading of exemplary claim 1,
which is reproduced below.
1. A method of operating an interactive image display system, the
image display system comprising an image source device and a user
terminal connected to said image source device via a link, the user
terminal having a user control input, the method comprising the steps of:
(a) receiving an input image signal representing an input image;
(b) receiving a user command from the user control input;
(c) generating a further image signal, dependent on the user
command, the further image signal representing an image part, the further
image signal being modifiable based upon said user command;
(d) forming a compressed image signal in the image source device,
said compressed image signal representing an output image
corresponding to the input image with the image part superimposed
thereon; and
(e) transmitting the compressed image signal from the image
source device to the user terminal via the link, said transmission allowing
for decompression of the compressed image signal and subsequent
display of the output image, both at the user terminal.
The prior art of record relied upon by the examiner in rejecting the appealed
claims is as follows:
Hansen 4,958,297 Sep. 18, 1990
Sakamoto et al. (Sakamoto) 4,992,782 Feb. 12, 1991
2
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