Wireless communication device with integrated battery/antenna system
First Claim
Patent Images
1. A wireless communication circuit arrangement comprising:
- a battery having at least a first terminal and a second terminal;
a temperature sensing element thermally coupled to the battery, the temperature sensing element having a first end electrically coupled to the first terminal of the battery and a second end electrically coupled to the second terminal of the battery;
an electromagnetic wave radiating and receiving element having a first end and a second end, the first end electrically coupled to the first terminal of the battery and the second end electrically coupled to the second terminal of the battery; and
a circuit that allows at the first terminal and the second terminal a resistance of the temperature sensing device to be measured and simultaneously allows at least one of transmitted and received signals to be communicated between the electromagnetic wave radiating and receiving element and the first terminal and the second terminal.
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Abstract
A loop antenna (100) shares terminals with a thermistor on a battery. The battery (300) has at least two terminals (302 & 304) that connect to a thermistor (514). An electromagnetic wave radiating and receiving element (522) shares the at least two terminals (302 & 304) with the thermistor (514) but is electrically isolated from the thermistor (514) so that the thermistor (514) resistance can be measured while the electromagnetic wave radiating and receiving element (522) can communicate electrical RF signals via the at least two terminals with an RF circuit. A wireless communication device that uses the battery (300) and the loop antenna (100) is also disclosed.
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Citations
20 Claims
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1. A wireless communication circuit arrangement comprising:
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a battery having at least a first terminal and a second terminal; a temperature sensing element thermally coupled to the battery, the temperature sensing element having a first end electrically coupled to the first terminal of the battery and a second end electrically coupled to the second terminal of the battery; an electromagnetic wave radiating and receiving element having a first end and a second end, the first end electrically coupled to the first terminal of the battery and the second end electrically coupled to the second terminal of the battery; and a circuit that allows at the first terminal and the second terminal a resistance of the temperature sensing device to be measured and simultaneously allows at least one of transmitted and received signals to be communicated between the electromagnetic wave radiating and receiving element and the first terminal and the second terminal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A radio communication device comprising:
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a circuit board including at least one of an RF transmission circuit and an RF receiving circuit, both electrically coupled with a first terminal and a second terminal of the circuit board; a battery having at least a first terminal and a second terminal, the first terminal of the battery being removably coupled to the first terminal of the circuit board and the second terminal of the battery being removably coupled to the second terminal of the circuit board; a temperature sensing element thermally coupled to the battery, the temperature sensing element having a first contact electrically coupled to the first terminal of the battery and a second contact electrically coupled to the second terminal of the battery; an electromagnetic wave radiating and receiving element having a first end and a second end, the first end electrically coupled to the first terminal of the battery and the second end electrically coupled to the second terminal of the battery; and a resistance measuring circuit electrically coupled to the first terminal and the second terminal, the resistance measuring circuit measures a resistance of the temperature sensing element while the circuit board is at least one of transmitting and receiving radio signals using the electromagnetic wave radiating and receiving element. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A wireless communication circuit arrangement comprising:
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a battery having at least a first terminal and a second terminal; a temperature sensing element thermally coupled to the battery, the temperature sensing element having a first end electrically coupled to the first terminal of the battery and a second end electrically coupled to the second terminal of the battery; a short range communication loop antenna having a first end and a second end, the first end electrically coupled to the first terminal of the battery and the second end electrically coupled to the second terminal of the battery; and a circuit that allows at the first terminal and the second terminal a resistance of the temperature sensing device to be measured and simultaneously allows at least one of transmitted and received signals to be communicated between the short range communication loop antenna and the first terminal and the second terminal.
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Specification