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FIG.1A C \ +1.0+o.s- /" 0-Ié/. . T.’

M r w T F \-5- J

FIG. 1B +1.0+a5-‘ [___ ~ 4% 0“ M i iv r if -0.5‘

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ancx PORTS TO OTHER

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sxnznnm. squlrusm INPUTS Ml"-T 1- mom SIGNAL /4° /8 10 g;_~§L__a_ ioscoosnmszm f L - BUFFW nscmrrron TRANSMISSION ggggim. F __J // rv sramu. , //L_ DECODERII-'l6.2A) L 12 1 |-"-' """" "_ _| JACKPURTS ,| I | |-— ——————— —-— CONTROLLER TOEXIERNAL ',I||:||y— ——————— ————--—- EQUIPMENT 'illl"" '8 l l-—"*-ornsn FREQ!"-'"¢Y l | I I ' ' ' '1 — - — — :::" '4 mrurs svucunomzza a ,| | I | | | |‘ 5 |SWITCH comma. }||||||||| BUFFER, ' ' 'H|'Ir-——————*}§———--'- cormnnron 6 ;1lllllmh "“”° C('7,!f14RA(‘)uER 5-2? "mm" - TELEPHONE “"5” comvscrmu / 22 I - '""'”s -—- SIGNALS emosmmms - - ---- CONTROL mronunnou TELEPHONE nsrwoax F I 6. 2

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31 r32 /38 /39
msousncv I
OFMEREST R ONE W AMPLITUDE mm ¢ 01011111 ____
ATHXED FII-TE CHANNEL DEMODULATOR DETECTOR
FREQUENCY 2,._
I ,1 1
< \ 34
I 11 / I
I Lms mmmL , w+
-P—“@5—<|—-—- RECEIVER <| osrecron ~|_ __ _ _—_ coumousn “MI
'L_.__,.__L.____,'L_____.I____,.3' 1
1 /~35 1 /-—-36 1 /
pgmg AUDIO 0-15 "I6" DIGITAL
DEMODULATOR K“, £{§§R osrzcron
1
1
I
I
PATH A - - - VIDEO SIGNALUNG TECHNIQUES SIGNALS a PROGRAMMING |
PATH B - -- AuO1O SIGNALLING TECHNIQUES — — — CONTROL INFORMATION
PATH C -- - SEPARATE SIGNALLING TECHNIQUES ++++++++++ “MONITOR INFORMATION

FlG.2A 41 42 4s 44 \ / 1111010 "" —- 1441511155," 1—-—- eI§é‘81>‘I.-e —-- 11%.-‘Z151 —-—- <=v~rrww=-R +411 1 1 I 1 |__ _ _ _ _ __ _. _.L. _ _ _ _ _ ___ .._._1_. _ ___ ___ _. ___: I ___ PROGRAMMING AND SIGNALS l — ——- CONTROL INFORMATION F I 5- 23 +1++++ uourron INFORMATION 45 46 47 ‘\ /' Z ""5" orsmu "-"' ___ RECEIVER __._._... co1vrRou.ER +,... cmcum osrscron ___ L I l I ___ ___ ___ ___ ___ Z|__ i ___. ___ .i __.l I I FIG. 2C

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