Wireless communication method
First Claim
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1. A wireless communication method in which a first wireless signal transmitted from a communication device is received by a plurality of semiconductor devices including at least a first semiconductor device and a second semiconductor device and thus a second wireless signal is transmitted to the communication device from the plurality of semiconductor devices, comprising:
- selectively switching a first state and a second state in the plurality of semiconductor devices including the first semiconductor device and the second semiconductor device in response to the first wireless signal transmitted from the communication device; and
transmitting the second wireless signal including detection data indicating that the second wireless signal is received from the first semiconductor device in the first state to the communication device from the second semiconductor device in the second state,wherein the first state is a state in which the first wireless signal transmitted from the communication device is received,wherein the second state is a state in which the second wireless signal transmitted from the plurality of semiconductor devices is received, andwherein the communication device outputs a first instruction for transmitting data stored in the plurality of semiconductor devices to the communication device and a second instruction for selectively switching between the first state and the second state of the plurality of semiconductor devices.
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Abstract
To provide a wireless communication method in the case where communication of a wireless signal from a communication device to a semiconductor device can be ensured, communication of a wireless signal can be ensured without using a repeater even when communication of a wireless signal from a semiconductor device to a communication device is difficult due to an external factor such as an obstacle. A plurality of semiconductor devices operate in selectively switching between a first state in which the first wireless signal transmitted from the communication device is received and a second state in which the second wireless signal transmitted from the semiconductor device is received. The semiconductor device in the second state receives the second wireless signal from the semiconductor device in the first state and transmits to the communication device the second wireless signal including detection data for indicating that the second wireless signal is received.
8 Citations
18 Claims
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1. A wireless communication method in which a first wireless signal transmitted from a communication device is received by a plurality of semiconductor devices including at least a first semiconductor device and a second semiconductor device and thus a second wireless signal is transmitted to the communication device from the plurality of semiconductor devices, comprising:
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selectively switching a first state and a second state in the plurality of semiconductor devices including the first semiconductor device and the second semiconductor device in response to the first wireless signal transmitted from the communication device; and transmitting the second wireless signal including detection data indicating that the second wireless signal is received from the first semiconductor device in the first state to the communication device from the second semiconductor device in the second state, wherein the first state is a state in which the first wireless signal transmitted from the communication device is received, wherein the second state is a state in which the second wireless signal transmitted from the plurality of semiconductor devices is received, and wherein the communication device outputs a first instruction for transmitting data stored in the plurality of semiconductor devices to the communication device and a second instruction for selectively switching between the first state and the second state of the plurality of semiconductor devices. - View Dependent Claims (2, 3, 4, 5)
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6. A wireless communication method in which a first wireless signal transmitted from a communication device is received by a plurality of semiconductor devices including at least a first semiconductor device and a second semiconductor device and thus a second wireless signal is transmitted to the communication device from the plurality of semiconductor devices, comprising:
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selectively switching a first state and a second state in the plurality of semiconductor devices including the first semiconductor device and the second semiconductor device in response to the first wireless signal transmitted from the communication device; storing data of the second wireless signal from the first semiconductor device in the first state in a storage element included in the second semiconductor device in the second state; and transmitting data stored in the storage element as the second wireless signal to the communication device when the second semiconductor device receives the first wireless signal from the communication device, wherein the first state is a state in which the first wireless signal transmitted from the communication device is received, wherein the second state is a state in which the second wireless signal transmitted from the plurality of semiconductor devices is received, and wherein the communication device outputs a first instruction for transmitting data stored in the plurality of semiconductor devices to the communication device, a second instruction for selectively switching between the first state and the second state of the plurality of semiconductor devices, and a third instruction for reading data from any one of the plurality of semiconductor devices, which stores data in the storage element. - View Dependent Claims (7, 8, 9)
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10. A wireless communication method comprising:
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selectively switching a state in a second semiconductor device from a first state to a second state in response to a first wireless signal transmitted from a communication device; and transmitting a second wireless signal including detection data indicating that the second wireless signal is received from a first semiconductor device in the first state to the communication device from the second semiconductor device in the second state, wherein the first state is a state in which the first wireless signal transmitted from the communication device is received, wherein the second state is a state in which the second wireless signal transmitted from the first semiconductor device or the second semiconductor device is received, and wherein the communication device outputs a first instruction for transmitting data stored in the first semiconductor device and the second semiconductor device to the communication device and a second instruction for selectively switching between the first state and the second state of the second semiconductor device. - View Dependent Claims (11, 12, 13, 14)
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15. A wireless communication method comprising:
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selectively switching a state in a second semiconductor device from a first state to a second state in response to a first wireless signal transmitted from a communication device; storing data of a second wireless signal from a first semiconductor device in the first state in a storage element included in the second semiconductor device in the second state; and transmitting data stored in the storage element as the second wireless signal to the communication device, wherein the first state is a state in which the first wireless signal transmitted from the communication device is received, wherein the second state is a state in which the second wireless signal transmitted from the first semiconductor device or the second semiconductor device is received, and wherein the communication device outputs a first instruction for transmitting data stored in the first semiconductor device and the second semiconductor device to the communication device, a second instruction for selectively switching between the first state and the second state of the second semiconductor device, and a third instruction for reading data from the second semiconductor device, which stores data in the storage element. - View Dependent Claims (16, 17, 18)
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Specification
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Current AssigneeSemiconductor Energy Laboratory Co., Ltd.
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Original AssigneeSemiconductor Energy Laboratory Co., Ltd.
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InventorsShionoiri, Yutaka, Kato, Kiyoshi
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Primary Examiner(s)Mehmood; Jennifer
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Assistant Examiner(s)Fan; Hongmin
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Application NumberUS12/076,986Publication NumberTime in Patent Office1,315 DaysField of Search340/572.1, 340/572.4, 340/539.21, 340/539.15, 340/539.1, 340/825.54, 342/44, 342/51, 342/453US Class Current340/572.4CPC Class CodesG06K 7/0008 General problems related to...
