Reexamination Control No. 90/005,742
Patent 5,253,341
1 program signal 1 (from motion picture data base 102), a broadcast signal 6, and a still picture
2 signal 13. Id. at col. 1, ll. 40-44. Figure 15 shows an example of a subscriber system 116 useful
3 for hierarchical data retrieval.
4 Figures 14B-14E show how the subscriber system depicted in Figure 15 is used to select
5 a motion picture. Figure 14B shows a list of motion picture titles, obtained from title data base
6 129, being displayed on the television monitor 114 of the subscriber station. Id. at col. 11, ll. 49-
7 52 and 66. The subscriber uses a mouse or the remote control tablet 136 of remote controller
8 135 (Fig. 15) to select one of these titles, thereby initiating a display of the corresponding
9 preview (Fig. 14C), which is obtained from preview data base 127 and can be stored in short
10 version cache memory 166 in the subscriber apparatus. Id. at col. 11, l. 66-68; col. 12, ll. 38-50.
11 If the program is selected for viewing by the user, the system uses the pointer in the preview
12 program to obtain access to and thus downloading of the corresponding motion picture program
13 in motion picture data base 102 (Fig. 1-1). Id. at col. 12, ll. 9-14. The downloaded, compressed
14 motion picture information is decompressed in the subscriber apparatus by decoder 112 for
15 display on television monitor 114. Id. at col. 1, ll. 65-67.
16 The preamble of claim 93 ("A method of downloading responsive data from a remote
17 server comprising . . .") clearly reads on Baji's system. Step (a) ("identifying a query via a data
18 input means and inputting said query to remote query and data retrieval means") reads on using
19 the remote controller and other subscriber apparatus to select a motion picture for viewing.
20 Step (b) ("transmitting said query from said remote query and data retrieval means to a remote
21 server via an input/output means") reads on network terminal 111. Step (c) ("receiving a
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Last modified: November 3, 2007