
US
2004/0257201
A1
[0020]
FIG.
8
is
a
?owchart
illustrating
the
Writing
opera
tion
in
the
engine
control
apparatus
for the
small
motorboat
according
to
the
embodiment
of
the
present
invention.
[0021]
FIG.
9
is
a
?oWchart
illustrating
the
Writing
opera
tion
in
the
engine
control
apparatus
for the
small
motorboat
according
to
the
embodiment
of
the
present
invention.
[0022]
FIG.
10
is
a
?oWchart
illustrating
the
Writing
operation
in
the
engine
control
apparatus
for
the
small
motorboat
according
to
the
embodiment
of
the
present
invention.
DETAILED
DESCRIPTION
OF
THE
PREFERRED
EMBODIMENTS
[0023]
Hereinafter,
embodiments
of
the
present
invention
Will
be
speci?cally
described
With
reference
to
the
draWings.
[0024]
As
shoWn
in
FIG.
1
and
FIG.
2,
the
engine
control
apparatus
for
the
small
motorboat
according
to
embodiment
1
is
formed
in
the
resin-made
sWitch
case
1
?xed
to
the
handle
bar
H
of
the
small
motorboat.
The
sWitch
case
1
includes
the
start
sWitch
knob
2,
the
stop
sWitch
knob
3,
the
stop
sWitch.body
6,
and
the
control section
11.
The
reference
numeral
G
in
FIG.
1
denotes
a
grip
that
is
grasped
by
an
operator
When
the
operator operates
the
boat.
[0025]
The
start
sWitch
knob
2
is
used
to
start
the
engine
of
the
small motorboat.
The
knob
includes
such
that,
When
the
knob
is
pushed,
then
predetermined
electrical
conduction
may
be
provided
to
start
the
engine.
The
start
sWitch
knob
2
can
be
provided
to
the
sWitch
case
1
With an
arbitrary
position
and
inclination
angle.
[0026]
As
shoWn
in
FIG.
2,
the
stop
sWitch
knob
3
is
alWays
biased
by
the
spring
4 toWard
the
direction
adjacent
to
the
surface
of
the
sWitch
case
1
(right
direction
in
the
same
draWing).
When
the
lock
plate
5
Which
Will
be
described
later
is
inserted
betWeen
the
surface
of
the
sWitch
case
1
and
the
projection
of
the
stop
sWitch
knob
3
(as
shoWn
in
the
same
draWing),
then
the
base
end
of
the
stop
sWitch
knob
3
(right
tip
end
in
the
same
draWing)
is
separated
from
the
stop
sWitch
body
6.
[0027]
The
stop
sWitch
body
6
is
provided
in
the
sWitch
case
1
and
is
activated
When
abutting
With
the
base
end
of
the
stop
sWitch
knob
3
to
alloW
the
engine
of
the
small
motorboat
to
stop
or
to
be
in
an
idling
state.
This
alloWs,
When
the
lock
plate
5
is
disengaged
from
the
stop
sWitch
knob
3,
the
stop
sWitch
body
6
to
activate
to
alloW
the
engine
of
the
small
motorboat
to
be
forcedly
stopped
or
to
be
in
an
idling
state.
[0028]
The
lock
plate
5
includes
a
resin-made
plate-like
member
and
includes,
as
shoWn
in
FIG.
3,
the
notch
5a
at
one end
in
the
plan
vieW.
The
lock
plate
5
also
has
at
the
substantial
center
tWo
conveX
sections
5b
and
has
at
the
other
end
of
the
plan
vieW
a
hole
SC
to
Which
the
Wire
7
is
inserted.
The
tip
end
of
the
Wire
7
(not
shoWn)
is
designed
to
be
attached
to
the
Wrist
or
the
like
of an
operator
of
the
small
motorboat.
[0029]
When
the
notch
5a
is
engaged
With
or
separated
from
the
periphery
side
of
the
stop
sWitch
knob
3,
the
lock
plate
5
can
be
inserted
to
the
stop
sWitch
knob
3.
This
alloWs,
When
the
operator
falls
into
Water,
the
lock
plate
5
to
be
disengaged
from
the
stop
sWitch
knob
3
via
the
Wire
7.
In
the
Dec.
23,
2004
draWing,
the
reference
numeral
8
denotes
a
circular
ring
shaped
metal
?tting
for
inserting the
tip
end
of
the
Wire
7
to
the
hole
5c.
[0030]
The
tWo conveX
sections
5b
formed
in
the
lock
plate
5
have
a
groove-like
shape
over
the
surface
of
the
lock
plate
5
to
Which
the
resin-made
attachment
10
incorporating
the
transponder
9
can be
attached.
Speci?cally,
the
clip
section
10a
forms
at
the
loWer
face
of
this
attachment
10
as
shoWn
in
FIG.
4.
The
attachment
10
is
formed
such
that,
When
the
clip
section
10a
sandWiches
the
top
and
back
face
of
the
lock
plate
5
(more
speci?cally,
the
space
betWeen
the
tWo conveX
sections
5b),
the
attachment
10
can
be
attached.
[0031]
The
transponder
9
is
provided
at
the
lock
plate
5
to
hold
a
previously
registered
regular
ID
code
and
can
trans
mit
the
ID
code
from
an
antenna
(not
shoWn)
via
radio
transmission.
The
ID
code
includes
information
or
a
unique
passWord
for
providing
an
arbitrary
engine performance.
The
engine
performance
information
includes,
for
eXample,
information
regarding
the
engine
speci?cation
for a race, for
the
experienced
user
(high
performance),
for a
general
user
(cruise),
for a
beginner
(course),
or
for
children
(run).
In
this
embodiment,
the
engine
is
?rst
alloWed
to
be
in
an
idling
state
When
the
lock
plate
5
is
engaged
With
the
stop
sWitch
knob
3
to
subsequently
start
the
activate
sWitch
knob
2.
[0032]
As
shoWn
in
FIG.
5,
the
control
section
11
includes:
the
antenna
12,
the
RF
module
13, the
microcom
puter
14,
and
the
poWer
source
circuit
15.
The
control
section
11
is
provided
in
the
vicinity
of
the
stop
sWitch
body
6
in
the
sWitch
case
1
(see
FIG.
1
and
FIG.
2).
Among
these,
the
antenna
12
receives
an
ID
code
from
the
transponder
9
and
has
a
coil-like
shape
and
is
connected
via
the
Rf
module
13
to
the
microcomputer
14.
The
control section
11
is
electrically
connected
to
the
engine
ignition
apparatus
17
and
includes
to
control,
based
on
the
ID
code
received
by
the
antenna
12
(information
for
engine
performance
or
a
unique
passWord),
the
engine
operation
of
the
small motorboat.
[0033]
Speci?cally,
When
the
antenna
12
has
received
the
ID
code
from
the
transponder
9,
the
microcomputer
14
determines
Whether
the
ID
code
(particularly
unique
pass
Word)
is
a
previously
registered
regular
ID
code
(unique
passWord)
or
not.
When
the
ID
code
is
a
regular
ID
code,
the
engine
performance
is
changed
based
on
the
information
possessed
by
the
ID
code.
When
the
ID
code
is
not
a
regular
ID
code,
the
engine
is
caused
to
be
in
an
idling
state
in
Which
the
boat
cannot
run.
[0034]
In
this
Way,
the
control section
11
changes
the
engine
performance
based
on
the
ID
code
from
the
tran
sponder
9
and
the
transponder
9
is
detachably
attached
to
the
lock
plate
5.
This
alloWs
the
operator
to
easily
eXchange
the
transponder
9
according
to
need.
Speci?cally,
the
engine
performance
can
be
arbitrarily
changed
depending
on
the
operator’s
preference
in
an
easy
manner.
[0035]
As
shoWn
in
the
same
draWing,
the
microcomputer
14
also
provides
the
Writing
terminal
a
and
the
poWer
source
terminal
b
from
each
of
Which
the
Wirings
L1
and
L2
eXtend.
On
the
other
hand,
the
Wiring
L3
in
the
draWing
shoWs
a
layout
in
Which
there
is
provided:
the
stop
sWitch
SW2
that
is
closed
When
the
start
sWitch
knob
2
is
engaged
With
the
lock
plate
5
and
that
is
opened
When
the
start
sWitch
knob
2
is
detached
from
the
lock
plate
5;
and
the
starter
sWitch
SW1
sWitched
in
connection
With
the
start
sWitch
knob
2.
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