Communication apparatus, communication system, and communication method
First Claim
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1. A communication apparatus comprising:
- a data generating unit for generating write data to be sent to another communication apparatus at an arbitrary timing;
a communication unit for repeatedly sending a read request to the other communication apparatus until the write data is generated and, at the same time, for repeatedly receiving a read response sent from the other communication apparatus in response to the read request; and
a data acquisition unit for acquiring read data, which is sent along with the read response by the other communication apparatus, when the read data is generated at an arbitrary timing by the other communication apparatus,in which only after the read data has been fully generated and after receipt of a respective read request after the read data has been fully generated, the other communication apparatus sends the read data for acquisition by the data acquisition unit of the communication apparatus, such that the other communication apparatus sends the fully generated read data to the communication apparatus without having to issue a notification communication to the communication apparatus indicating that the read data has been fully generated prior to sending the fully generated read data thereto, andin which communication between the communication apparatus and the other communication apparatus, including all of the sending of the read request by the communication unit, all of the sending and receiving of the read response, and all of the sending and receiving of the read data, is by way of a single type of communication technology with a single type of protocol which is passive communication in compliance with a near field communication (NFC) protocol for communication apparatuses spaced within approximately several tens of centimeters of each other.
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Abstract
A communication apparatus includes: a data generating unit that generates write data to be sent to any other communication apparatus at an arbitrary timing; a communication unit that repeatedly sends a read request to the other communication apparatus until the write data is generated and, at the same time, repeatedly receives a read response sent from the other communication apparatus in response to the read request; and a data acquisition unit that acquires read data, which is sent along with the read response by the other communication apparatus, when the read data is generated at an arbitrary timing by the other communication apparatus.
8 Citations
14 Claims
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1. A communication apparatus comprising:
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a data generating unit for generating write data to be sent to another communication apparatus at an arbitrary timing; a communication unit for repeatedly sending a read request to the other communication apparatus until the write data is generated and, at the same time, for repeatedly receiving a read response sent from the other communication apparatus in response to the read request; and a data acquisition unit for acquiring read data, which is sent along with the read response by the other communication apparatus, when the read data is generated at an arbitrary timing by the other communication apparatus, in which only after the read data has been fully generated and after receipt of a respective read request after the read data has been fully generated, the other communication apparatus sends the read data for acquisition by the data acquisition unit of the communication apparatus, such that the other communication apparatus sends the fully generated read data to the communication apparatus without having to issue a notification communication to the communication apparatus indicating that the read data has been fully generated prior to sending the fully generated read data thereto, and in which communication between the communication apparatus and the other communication apparatus, including all of the sending of the read request by the communication unit, all of the sending and receiving of the read response, and all of the sending and receiving of the read data, is by way of a single type of communication technology with a single type of protocol which is passive communication in compliance with a near field communication (NFC) protocol for communication apparatuses spaced within approximately several tens of centimeters of each other. - View Dependent Claims (2, 3)
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4. A communication apparatus comprising:
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a data generating unit for generating read data to be sent to another communication apparatus at an arbitrary timing; and a communication unit for repeatedly receiving a read request sent from the other communication apparatus until write data is generated by the other communication apparatus and, at the same time, for repeatedly sending a read response to the other communication apparatus in response to the read request, and for sending the read data along with the read response to the other communication apparatus when the read data is generated, in which only after the read data has been fully generated and after receipt of a respective read request after the read data has been fully generated, the communication apparatus sends the read data for receipt by the other communication apparatus, such that the communication apparatus is configured to send the fully generated read data to the other communication apparatus without having to issue a notification communication to the other communication apparatus indicating that the read data has been fully generated prior to sending the fully generated read data thereto, and in which communication between the communication apparatus and the other communication apparatus, including all of the sending of the read response by the communication unit, all of the sending and receiving of the read request, and all of the sending and receiving of the read data, is by way of a single type of communication technology with a single type of protocol which is passive communication in compliance with a near field communication (NFC) protocol for communication apparatuses spaced within approximately several tens of centimeters of each other.
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5. A communication system comprising:
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a first communication apparatus that includes; a data generating unit for generating write data to be sent to a second communication apparatus at an arbitrary timing; a communication unit for repeatedly sending a read request to the second communication apparatus until the write data is generated and, at the same time, for repeatedly receiving a read response sent from the second communication apparatus in response to the read request; and a data acquisition unit for acquiring read data, which is sent along with the read response by the second communication apparatus, when the read data is generated at an arbitrary timing by the second communication apparatus, and the second communication apparatus includes; a data generating unit for generating read data to be sent to the first communication apparatus at an arbitrary timing; and a communication unit for repeatedly receiving the read request sent from the first communication apparatus until the write data is generated by the first communication apparatus and, at the same time, for repeatedly sending the read response to the first communication apparatus in response to the read request, and for sending the read data along with the read response to the first communication apparatus when the read data is generated, in which only after the read data has been fully generated and after receipt of a respective read request after the read data has been fully generated, the communication unit of the second communication apparatus sends the read data for receipt by the first communication apparatus, such that the second communication apparatus is configured to send the fully generated read data to the first communication apparatus without having to issue a notification communication to the first communication apparatus indicating that the read data has been fully generated prior to sending the fully generated read data thereto, and in which communication between the first communication apparatus and the second communication apparatus, including all of the sending and receiving of the read request, all of the sending and receiving of the read response, and all of the sending and receiving of the read data, is by way of a single type of communication technology with a single type of protocol which is passive communication in compliance with a near field communication (NFC) protocol for communication apparatuses spaced within approximately several tens of centimeters of each other.
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6. A communication method comprising:
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causing a first communication apparatus to generate write data to be sent to a second communication apparatus at an arbitrary timing; causing the second communication apparatus to generate read data to be sent to the first communication apparatus at an arbitrary timing; causing the first communication apparatus to repeatedly send a read request to the second communication apparatus until the write data is generated; causing the second communication apparatus to repeatedly send a read response in response to the read request to the first communication apparatus; and causing the first communication apparatus to receive the read response and acquire the read data, which is sent along with the read response by the second communication apparatus, when the read data is generated by the second communication apparatus, in which only after the read data has been fully generated and after receipt of a respective read request after the read data has been fully generated, the second communication apparatus sends the read data for receipt by the first communication apparatus, such that the second communication apparatus sends the fully generated read data to the first communication apparatus without having to issue a notification communication to the first communication apparatus indicating that the read data has been fully generated prior to sending the fully generated read data thereto, and in which communication between the first communication apparatus and the second communication apparatus, including all of the sending and receiving of the read request, all of the sending and receiving of the read response, and all of the sending and receiving of the read data, is by way of a single type of communication technology with a single type of protocol which is passive communication in compliance with a near field communication (NFC) protocol for communication apparatuses spaced within approximately several tens of centimeters of each other.
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7. A communication apparatus to communicate with other communication apparatus via short range wireless communication, said communication apparatus comprising:
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a data generating unit for generating write data to be sent to another communication apparatus at an arbitrary timing; and a communication unit for repeatedly sending a read request via the short range wireless communication to the other communication apparatus until the write data is generated and, for repeatedly receiving a read response via the short range wireless communication from the other communication apparatus in response to the read request, when the write data has been generated, the communication unit is configured to send the write data instead of the read request via the short range wireless communication to the other communication apparatus, and all of the short range wireless communication between the communication apparatus and the other communication apparatus is a single type of communication technology with a single type of protocol which is passive communication in compliance with a near field communication (NFC) protocol for communication apparatuses spaced within approximately several tens of centimeters of each other. - View Dependent Claims (8, 9)
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10. A communication apparatus to communicate with other communication apparatus via short range wireless communication, said communication apparatus comprising:
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a data generating unit for generating read data to be sent to another communication apparatus at an arbitrary timing; a communication unit for repeatedly receiving a read request sent via the short range wireless communication from the other communication apparatus until write data is generated by the other communication apparatus and, for repeatedly sending a read response via the short range wireless communication to the other communication apparatus in response to the read request; and a data acquisition unit for acquiring read data, which is sent via the short range wireless communication along with the read response by the other communication apparatus, when the read data is generated by the other communication apparatus, all of the short range wireless communication between the communication apparatus and the other communication apparatus is a single type of communication technology with a single type of protocol which is passive communication in compliance with a near field communication (NFC) protocol for communication apparatuses spaced within approximately several tens of centimeters of each other.
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11. A communication apparatus to communicate with other communication apparatus via short range wireless communication, said communication apparatus comprising:
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a data generating unit for generating read data to be sent to another communication apparatus at an arbitrary timing; and a communication unit for repeatedly receiving a read request sent via the short range wireless communication from the other communication apparatus until write data is generated by the other communication apparatus and, for repeatedly sending a read response via the short range wireless communication to the other communication apparatus in response to the read request, wherein the communication unit is configured to send the read data via the short range wireless communication along with the read response to the other communication apparatus when the read data is generated, and all of the short range wireless communication between the communication apparatus and the other communication apparatus is a single type of communication technology with a single type of protocol which is passive communication in compliance with a near field communication (NFC) protocol for communication apparatuses spaced within approximately several tens of centimeters of each other. - View Dependent Claims (12, 13, 14)
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Specification