External battery and satellite communication terminal
First Claim
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1. An external battery that charges a mobile communication terminal comprising:
- an electricity storage unit that stores electric power;
a charging unit that supplies the electric power stored in the electricity storage unit to the mobile communication terminal to charge the mobile communication terminal;
a satellite antenna to be used when performing satellite communication via a satellite communication channel;
a satellite communication unit that causes the mobile communication terminal to perform the satellite communication of message including a self-position via the satellite antenna; and
a selection unit that selects at least one of a charge mode to cause the charging unit to charge and a communication mode to cause the satellite communication unit to perform the satellite communication.
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Abstract
A device that can realize satellite communication with a popularized mobile phone in a case a large number of users communicate at a same time such as in a case where disaster strikes and the like. An external battery for charging a mobile phone includes a satellite antenna for performing satellite communication via a satellite communication channel and a satellite communication unit which causes the mobile phone to perform the satellite communication via the satellite antenna. The mobile phone and the external battery are connected with a cable and the like, and thereby a satellite communication terminal is configured.
19 Citations
14 Claims
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1. An external battery that charges a mobile communication terminal comprising:
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an electricity storage unit that stores electric power; a charging unit that supplies the electric power stored in the electricity storage unit to the mobile communication terminal to charge the mobile communication terminal; a satellite antenna to be used when performing satellite communication via a satellite communication channel; a satellite communication unit that causes the mobile communication terminal to perform the satellite communication of message including a self-position via the satellite antenna; and a selection unit that selects at least one of a charge mode to cause the charging unit to charge and a communication mode to cause the satellite communication unit to perform the satellite communication. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A satellite communication terminal having a mobile communication terminal and an external battery that charges the mobile communication terminal,
wherein the external battery includes: -
an electricity storage unit that stores electric power; a charging unit that supplies the electric power stored in the electricity storage unit to the mobile communication terminal to charge the mobile communication terminal; a satellite antenna to be used when performing satellite communication via a satellite communication channel; a satellite communication unit that causes the mobile communication terminal to perform the satellite communication via the satellite antenna; and a selection unit that selects at least one of a charge mode to cause the charging unit to charge and a communication mode to cause the satellite communication unit to perform the satellite communication.
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Specification