User Manual
3,902,007
1 1
1
2
ity
of audio
bursts
within the
blanked
guard-band
22.
The
apparatus
according
to
claim
20
wherein
said
interval;
'
gate
means
for
selecting
includes:
means
coupled
in
one
of
the
branched
signal
paths
?rst
gate
means
in
one
signal
path
formed
by
said
for
delaying
the
conducted
signal
which
includes
at
means
for
branching;
least
a
plurality
of audio
bursts;
5
second
gate
means
in
the
other
signal
path
formed
by
gate
means
for
selecting
audio
bursts
from
the
signals
said
means
for
branching;
and
conducted
in
the
branched
signal
paths;
audio
gate
pulse
generator
means
for
producing
sig
means
for
adding
the
audio
burst
signals
from
both
nals
to
render
said
?rst
and
second
gates
conduc
branched
signal
paths;
and
tive
to
said
audio
bursts
occurring during
said
detector
means
receiving
the
added
audio
burst
sig-
10
blanked
guard-band
interval.
nals
for
producing
an
audio
signal
corresponding
to
23.
The
apparatus
according
to
claim
20
wherein
said
the
audio
signal
bursts.
gate
means
for selecting
includes:
21.
The
apparatus
according
to
claim
20
further
means
for
gating
the
signal
from
said
means
for
add
comprising:
ing;
and
?lter
means
for
receiving
the
audio
signal
from
said
15
audio
gate pulse
generator
means
for
rendering
said
means
for
detecting
an
audio
signal;
and
means
for
gating
conductive
to
said
audio
burst
oc
means
for
amplifying
the
signal
from
said
?lter
curring
during
said
blanked
guard-band
interval.
means.
*
* *
*
*
20
25
30
35
4O
45
50
55
6O
65