Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate
2002-10-23
2003-11-18
Sherry, Michael (Department: 2841)
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
C361S760000, C361S792000, C343S703000, C710S120000, C710S264000
Reexamination Certificate
active
06650549
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to hub coupled to a computer and more particularly to such a hub having a bluetooth system with improved characteristics.
BACKGROUND OF THE INVENTION
A conventional computer
1
is shown in FIG.
1
and comprises a plurality of connectors
10
on the rear panel of the computer
1
. Each of the connectors
10
may have one of a variety of interface specifications such as PS
2
, LPT,
1394
, and USB (Universal Serial Bus). Two first peripherals are shown in which one is a mouse having a connector
20
with an appropriate interface specification at an open end of a cable
22
extended therefrom. The second peripheral is a keyboard
3
having a connector
30
with the PS
2
interface specification at an open end of another cable
22
extended therefrom. The connectors
20
of the peripherals
2
are coupled to mating connectors
10
on the computer
1
respectively. As such, signals can be sent from the peripherals
2
to the computer
1
. Alternatively, the computer
1
can send signals to the peripherals
2
for processing therein.
The connector
20
of each peripheral
2
has one of the conventional interface specifications such as PS
2
, LPT, and
1394
. In response to a coupling of the connector
20
to the conventional connector
10
on the computer
1
, a driver of the peripheral
2
must be installed. Next, a shutdown has to be performed prior to restarting after the installation is completed. The computer
1
may then control the peripheral
2
after a completion of the above actions. The computer
1
will not operate normally if the connector
20
of the peripheral
2
is removed from the connector
10
in the installation process. Further, there is no connector
10
on the computer
1
available for coupling to a plurality of peripherals
2
if the number of connectors
10
is less than that of the peripherals
2
.
Referring to
FIG. 1
again, in response to a coupling of the peripheral
3
(e.g., keyboard) having a USB connector
30
and the computer
1
, a driver of the peripheral
3
must be installed. Next, a user can use the computer
1
to control the peripheral
3
after a completion of the installation. The computer
1
still can operate normally even if the connector
30
of the peripheral
3
is removed from one of the connectors
12
on the computer
1
in the installation process. Further, the connector
30
of the peripheral
3
can be coupled to the computer
1
in any future time. Hence, it is convenient in use. Thus, the USB connectors are widely installed in the current peripherals.
Referring to
FIGS. 1 and 2
, as stated above, the USB connector
30
of the peripheral
3
can be coupled to the USB connector
12
on the computer
1
at any time. Hence, it is convenient in use. Further, the USB connector
12
on the computer
1
can be coupled to at least one of a plurality of USB hubs
32
. Hence, the number of the USB connectors
12
can be increased up to 127 USB hubs. As a result, there is not need to worry about an insufficient number of connectors on the computer
1
available for coupling to peripherals.
However, the prior art (e.g., either the peripheral
2
having a connector
20
with a conventional interface specification or the peripheral
3
having the USB connector
30
) suffered from several disadvantages. For example, the cable
22
of each of the peripherals
2
and
3
must be coupled to the computer
1
after the peripherals
2
and
3
have been positioned. Thus, a signal communication between the peripherals
2
and
3
and the computer
1
is made possible. It is seen that there is little space unoccupied if there are a number of peripherals coupled to the computer with the various cables
22
disposed on a supporting surface (e.g., desk). Further, there is very little space unoccupied after a computer, associated peripherals, and documents are placed on the desk in an office or at home. This is particularly true if the cables
22
of the peripherals
2
and
3
are additionally placed on the desk. Furthermore, it is messy to have such cables
22
randomly placed on the desk. Moreover, this configuration can cause inconvenience in use. Thus improvement exists.
SUMMARY OF THE INVENTION
A primary object of the present invention is to provide a hub having a bluetooth system. The hub comprises a bluetooth system module coupled to a hub module on the hub. Thus, the hub has a wireless signal transmission capability as the bluetooth system. Further, the hub is capable of performing a signal communication with any electronic device having a bluetooth system module within a predetermined range, thereby reducing the number of cables disposed on a desk. By utilizing the invention, it is possible of overcoming the above drawback of the prior art such as messy on the desk because many cables of peripherals coupled to the computer are randomly disposed on the desk.
REFERENCES:
patent: 5825618 (1998-10-01), Schnoor et al.
patent: 6151645 (2000-11-01), Young et al.
patent: 6272644 (2001-08-01), Urade et al.
patent: 6380930 (2002-04-01), Van Ruymbeke
patent: 6452910 (2002-09-01), Vij et al.
Bacon & Thomas PLLC
Bui Hung
D-Link Corp.
Sherry Michael
LandOfFree
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