TNAG-0265-FCO40-301-Legislation-for-copyright-in-Hong-Kong-1970 — Page 49

NOTHING TO BE WRITTEN IN THIS MARGIN

W(B)L 51-7406

CONFIDENTIAL

exclusive rights to erect such aerials

granted to RTV in the licence (see paragraph

21 below) are of some importance.

18.

Such special aerial systems fall into

two broad categories:

(a) the Community Antenna Television

System (CATV)

This is a system adopted in areas

where the nature of the terrain

makes it difficult or impossible

for individual buildings to obtain

good television reception. Under

this system, a single communal

aerial is erected in a position

where good reception can be

obtained and amplified if nec-

essary. The television service

is then distributed by line from

a single communal aerial to

independent detached premises.

One such master aerial can serve

all the homes in a large town;

(b) the Aerial Distribution System (ADS)

This is a name used in referring

•

to the system whereby a communal

aerial on a single large

building (e.g. a multiestorey

block of flats) receives

television signals and distributes

them by internal line to the

different flats, offices, etc.,

in the building.

These two systems have distinct technical

qualities.

The CATV system involves the

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