Mobile Communication Terminal and Control Method Thereof
First Claim
1. A mobile communication terminal, comprising:
- a first wireless communication unit corresponding to a first wireless communication system;
an interface capable of detachably connecting an external apparatus;
a determination unit for determining whether the external apparatus connected to the interface corresponds to a second wireless communication system and is a second wireless communication unit that consumes less power than the first wireless communication unit;
a battery voltage detection unit for detecting battery voltage of a power supply unit containing a battery; and
a control unit for controlling the first wireless communication unit to be in a disabled state when the first wireless communication unit is communicating and the battery voltage detected by the battery voltage detection unit is equal to or less than a first predetermined value, in a case where the determination unit determines that the second wireless communication unit is connected.
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Accused Products
Abstract
A mobile communication terminal in accordance with the present invention includes a first wireless communication unit 102 corresponding to a first wireless communication system, an interface 107 detachably connecting an external apparatus 200, a determination unit 111 for determining whether or not the external apparatus 200 connected to the interface 107 corresponds to a second wireless communication system and is a second wireless communication unit 202 consuming less power than the first wireless communication unit 102, a battery voltage detection unit 104 for detecting battery voltage of a power supply unit 103 containing a battery and a control unit 111 for controlling the first wireless communication unit 102 to be in a disabled state when the first wireless communication unit 102 is communicating and the battery voltage detected by the battery voltage detection unit 104 is equal to or less than the predetermined value in the case where connection of the second wireless communication unit 202 is determined by the determination unit 111. Thus multimode communication depending on the battery voltage can be executed efficiently without causing unexpected circumstances to the user.
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Citations
60 Claims
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1. A mobile communication terminal, comprising:
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a first wireless communication unit corresponding to a first wireless communication system; an interface capable of detachably connecting an external apparatus; a determination unit for determining whether the external apparatus connected to the interface corresponds to a second wireless communication system and is a second wireless communication unit that consumes less power than the first wireless communication unit; a battery voltage detection unit for detecting battery voltage of a power supply unit containing a battery; and a control unit for controlling the first wireless communication unit to be in a disabled state when the first wireless communication unit is communicating and the battery voltage detected by the battery voltage detection unit is equal to or less than a first predetermined value, in a case where the determination unit determines that the second wireless communication unit is connected. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A mobile communication terminal, comprising:
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a first wireless communication unit corresponding to a first wireless communication system; an interface capable of detachably connecting a second wireless communication unit corresponding to a second wireless communication system and consuming less power than the first wireless communication unit; a battery voltage detection unit for detecting battery voltage of a power supply unit containing a battery; and a control unit for controlling the first wireless communication unit to be in a disabled state when the first and the second wireless communication units are communicating and the battery voltage detected by the battery voltage detection unit is equal to or less than a fourth predetermined value. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A mobile communication terminal, comprising:
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a first wireless communication unit corresponding to a first wireless communication system; an interface capable of detachably connecting an external apparatus; a determination unit for determining whether the external apparatus connected to the interface corresponds to a second wireless communication system and is a second wireless communication unit that consumes less power than the first wireless communication unit; a battery voltage detection unit for detecting battery voltage of a power supply unit containing a battery; and a control unit for controlling the first wireless communication unit to be in a disabled state when the first wireless communication unit is communicating mainly for reception and the battery voltage detected by the battery voltage detection unit is equal to or less than an eighth predetermined value, in a case where the determination unit determines that the second wireless communication unit is connected. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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39. A mobile communication terminal, comprising:
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a first wireless communication unit corresponding to a first wireless communication system; an interface capable of detachably connecting a second wireless communication unit corresponding to a second wireless communication system and consuming less power than the first wireless communication unit; a battery voltage detection unit for detecting battery voltage of a power supply unit containing a battery; and a control unit for controlling the first wireless communication unit to be in a disabled state when the battery voltage detected by the battery voltage detection unit is equal to or less than an eleventh predetermined value, in a case where the first wireless communication unit is in a standby state of the first wireless communication system and the second wireless communication unit is communicating. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50)
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51. A control method of a mobile communication terminal comprising a first wireless communication unit corresponding to a first wireless communication system, an interface capable of detachably connecting an external apparatus and a power supply unit containing a battery, comprising:
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a determination step of determining whether the external apparatus connected to the interface corresponds to a second wireless communication system and is a second wireless communication unit that consumes less power than the first wireless communication unit; a communication state detection step of detecting a communication state of the first wireless communication unit; a battery voltage detection step of detecting battery voltage of the power supply unit; and a control step of controlling the first wireless communication unit to be in a disabled state when it is detected that the first wireless communication unit is communicating at the communication state detection step and the battery voltage detected at the battery voltage detection step is equal to or less than a first predetermined value, in a case where it is determined that the second wireless communication unit is connected at the determination step. - View Dependent Claims (52, 53)
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54. A control method of a mobile communication terminal comprising a first wireless communication unit corresponding to a first wireless communication system, a second wireless communication unit corresponding to a second wireless communication system and detachably connected via an interface and a power supply unit containing a battery, comprising:
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a communication state detection step of detecting a communication state of the first and the second wireless communication units; a battery voltage detection step of detecting battery voltage of the power supply unit; and a control step of controlling the first wireless communication unit to be in a disabled state when it is detected that the first and the second wireless communication units are communicating at the communication state detection step and the battery voltage detected at the battery voltage detection step is equal to or less than a fourth predetermined value. - View Dependent Claims (55, 56, 57)
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58. A control method of a mobile communication terminal comprising a first wireless communication unit corresponding to a first wireless communication system, an interface capable of detachably connecting an external apparatus and a power supply unit containing a battery, comprising:
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a determination step of determining whether the external apparatus connected to the interface corresponds to a second wireless communication system and is a second wireless communication unit that consumes less power than the first wireless communication unit; a communication state detection step of detecting a communication state of the first wireless communication unit; a battery voltage detection step of detecting battery voltage of the power supply unit; and a control step of controlling the first wireless communication unit to be in a disabled state when it is detected that the first wireless communication unit is communicating mainly for reception at the communication state detection step and the battery voltage detected at the battery voltage detection step is equal to or less than a eighth predetermined value, in a case where it is determined that the second wireless communication unit is connected at the determination step.
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59. A control method of a mobile communication terminal comprising a first wireless communication unit corresponding to a first wireless communication system, a second wireless communication unit corresponding to a second wireless communication system and detachably connected via an interface and a power supply unit containing a battery, comprising the steps of:
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a communication state detection step of detecting a communication state of the first and the second wireless communication units; a battery voltage detection step of detecting battery voltage of the power supply unit; and a control step of controlling the first wireless communication unit to be in a disabled state when the battery voltage detected at the battery voltage detection step is equal to or less than an eleventh predetermined value in a case where it is detected that the first wireless communication unit is in a standby state of the first wireless communication system and the second wireless communication unit is communicating at the communication state detection step. - View Dependent Claims (60)
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Specification