Communication device and electronic device
View Patent ↗A communication device includes a communication module including a plurality of communication terminals, a plurality of internal antennas configured to be connectable to the plurality of communication terminals, a plurality of external connecting terminals configured to be connectable to the plurality of communication terminals, a first switch device disposed between the plurality of communication terminals and the plurality of internal antennas and switching connection destinations of the plurality of communication terminals to the plurality of internal antennas or the plurality of external connecting terminals, a second switch device disposed between the first switch device and the plurality of external connecting terminals and connecting one or more communication terminals among the plurality of communication terminals connected to the first switch device to one or more external connecting terminals among the plurality of external connecting terminals, and a controller controlling the first switch device and the second switch device.
1 . A communication device comprising:
a communication module including a plurality of communication terminals;
a plurality of internal antennas configured to be connectable to the plurality of communication terminals;
a plurality of external connecting terminals configured to be connectable to the plurality of communication terminals;
a first switch device that is disposed between the plurality of communication terminals and the plurality of internal antennas and switches connection destinations of the plurality of communication terminals to the plurality of internal antennas or the plurality of external connecting terminals;
a second switch device that is disposed between the first switch device and the plurality of external connecting terminals and connects one or more communication terminals among the plurality of communication terminals connected to the first switch device to one or more external connecting terminals among the plurality of external connecting terminals; and
a controller that controls the first switch device and the second switch device.
2 . The communication device according to claim 1 , wherein
the first switch device includes a plurality of first switches disposed between the plurality of communication terminals and the plurality of internal antennas,
the second switch device includes a plurality of second switches disposed between the plurality of first switches and the plurality of external connecting terminals, and
each of the plurality of second switches is connected in series with two or more first switches among the plurality of first switches.
3 . The communication device according to claim 1 , wherein
the communication module includes at least one of
a first communication module corresponding to Wireless Wide Area Network (WWAN) communication,
a second communication module that receives a Global Navigation Satellite System (GNSS) signal, and
a third communication module corresponding to Wireless Local Area Network (WLAN) communication.
4 . The communication device according to claim 3 , wherein
the communication module includes at least the first communication module, and
a number of the plurality of external connecting terminals is from four to seven inclusive.
5 . The communication device according to claim 3 , wherein
the communication module includes the first communication module, the second communication module, and the third communication module,
the plurality of external connecting terminals include a first external connecting terminal, a second external connecting terminal, a third external connecting terminal, and a fourth external connecting terminal,
the first communication module includes a first communication terminal, a second communication terminal, a third communication terminal, and a fourth communication terminal that transmit and receive a WWAN signal,
the second communication module includes a fifth communication terminal corresponding to a GNSS signal,
the third communication module includes a sixth communication terminal and a seventh communication terminal that transmit and receive a WLAN signal,
the first external connecting terminal is configured to be connectable to the first communication terminal, and
the second switch device includes
a first external connection selection switch that connects either the second communication terminal or the fifth communication terminal to the second external connecting terminal,
a second external connection selection switch that connects either the second communication terminal or the third communication terminal to the third external connecting terminal, and
a third external connection selection switch that connects either the fourth communication terminal or the sixth communication terminal to the fourth external connecting terminal.
6 . The communication device according to claim 5 , wherein
the second communication terminal corresponds to the WWAN signal and a WWAN-GPS signal,
when the first external connection selection switch connects the second communication terminal and the second external connecting terminal, the controller does not connect the second communication terminal and the third external connecting terminal in the second external connection selection switch, and
when the second external connection selection switch connects the second communication terminal and the third external connecting terminal, the controller does not connect the second communication terminal and the second external connecting terminal in the first external connection selection switch.
7 . The communication device according to claim 6 , wherein
the plurality of internal antennas include a first internal antenna, a second internal antenna, a third internal antenna, a fourth internal antenna, a fifth internal antenna, a sixth internal antenna, and a seventh internal antenna,
the seventh communication terminal is connected to the seventh internal antenna, and
the first switch device includes
a first internal connection selection switch that connects the first communication terminal to the first internal antenna or the first external connecting terminal,
a second internal connection selection switch that connects the second communication terminal to the second internal antenna, the first external connection selection switch, or the second external connection selection switch,
a third internal connection selection switch that connects the third communication terminal to the third internal antenna or the second external connection selection switch,
a fourth internal connection selection switch that connects the fourth communication terminal to the fourth internal antenna or the third external connection selection switch,
a fifth internal connection selection switch that connects the fifth communication terminal to the fifth internal antenna or the first external connection selection switch, and
a sixth internal connection selection switch that connects the sixth communication terminal to the sixth internal antenna or the third external connection selection switch.
8 . The communication device according to claim 1 , wherein the controller controls the first switch device and the second switch device using an Invert signal.
9 . An electronic device comprising the communication device according to claim 1 .
10 . The electronic device according to claim 9 , further comprising a storage that stores information on a connection setting between the plurality of communication terminals and the plurality of external connecting terminals,
wherein
the information on the connection setting is set by a Basic Input Output System (BIOS) and stored in the storage, and
the controller controls the first switch device and the second switch device based on the information on the connection setting stored in the storage.