Electronic book with restricted access features

283 CONVERSION / ACTIVITY ' 282 279 284 \ \ // // PUBLISHERS WEB SITE PS1-N 285 \\SUBSCRlBEFI 286 //1 \ LIBRARY \ 301' 287\ BOOKSTORE \

Fig. 3b

428

250 402 \ 406 ‘"4 424 \ \ I 302 \ \ Data‘ \ A > \ '/ Dam Receiver ‘ F°""a""I9 Comblnmg ES'::;udri|'t\)/g Stream ¢ II Text 410 416 D < Processor Generator / lnstruchon / I \ Memory \ / I C TEXT 404 " MEMORY Catalog & 420 Message / Memory / II UPLINK Video Signal \ \ 254

II

Fig. 4

Video Feed
504
500 A 500 512
At uplink
\‘ receive data stream ,1 I Ii
Publisher process data “Om Publisher and Break large tiled into small
tiles oi books. P'°¢e$5- Compress packets and add header Switch analog data onto New video
Compress and encrypt > encrypt. a"d_adl_1 inlormation. Convert serial d the video lines oi the Feed
the data tiled and send BNO! C0"e_CIl0n II digital bit stream to analog vertical blanking interval. —-—->
one tile per book. "9! already Included data compatible with or the active video lines.
in the brt stream. NTSC video signal.
0 / / / / \
F zg 5a / / ’ \
. /
/ 1 / \
/ / \
/ / ’ Expanded View of 2 Blocks Above \
I _. ___.
I 516 T "
I \ d
254 Main Video Feed 520
l 544 Feed With Data Inserted
\ Sync Stripper \ /552
536 \
' , \5a2 548 O —-—>
$ync Is Used By The Control Logrc _ _ _ \\ \ 4
528 Drgrtat |o‘gIc Digita‘
\ ‘ con to, A
. _ _ hardware and ’ goficgrg
Senal Digital BII Stream/ 1 software Video Swtlch
524 >
540/ Control Signal For Video Switch

258

212
Video / Communications
Connector Connector 270'
604
604 //
RF _ // \ RF
Transcewef 604 Transceiver
\
\ HF
Transceiver 262
/ 267
/ /
LIBRARY Keyboard J
600
Memory ~ 268
// ’'/_ _ __ _ _ Keyboard /
VIEWER 266

Fig. 6a

4/ AC Power _ 258 l 26 604 \\ Transqewer _/ 603 BATFERY C D < ROM PLAYER Key Data LCD iii 4 S I e m Secunty ~\\ C 606 u Microprocessor " 615 Grapiics \< Data / e VIEWER Control And S D / Memory \ e 8 . /I Y 621 P C t 600 0 “ a 607 /V W Y Hard Disk / E e With Key P<\ 614 R \ ['1 T D I O 4 /V a I FlF t I / I Transcewer M ‘W a y ; Phone Key Removal 1: Modern Disk 600 ill f Cellular 619 1 Phone Digital Data \ or ;H ‘ Digital PCN Logic Phone 212 Data Video \F Stripper 61 > @ : A _Z 511 601 SET , 1 ‘ CATV TUNER m TOP LIBRARY POWER & TV 212. m or I I or vcR HF Ac CATV omCOAX 262

Fig. 6b