Information transmission device, system, and method
First Claim
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1. A method of transmitting first information from an information transmitting device to a destination device, comprising:
- obtaining second information indicating whether or not the destination device requires power-saving handshaking;
storing the second information in a memory in the information transmitting device;
selecting at least a power-saving transmission mode and a normal transmission mode according to the second information stored in the memory, the power-saving transmission mode including transmitting and receiving of power-saving handshaking signals, the normal transmission mode excluding the transmitting and the receiving of the power-saving handshaking signals; and
transmitting the first information in the selected mode,wherein transmitting the first information in the power-saving transmission mode comprises;
waiting to receive a predetermined signal;
transmitting a first enabling signal after receiving the predetermined signal; and
transmitting the first information after transmitting the first enabling signal,wherein the second information is included in the predetermined signal.
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Abstract
A network includes nodes that transmit information to each other. Some nodes operate intermittently; other nodes operate continuously. Information is transmitted to an intermittently operating node by a handshaking protocol in which the intermittently operating node indicates that it is ready to receive. Information is transmitted to a continuously operating node without such handshaking, thereby saving time and power. Each transmitting node has a memory storing information indicating which other nodes require handshaking.
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Citations
6 Claims
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1. A method of transmitting first information from an information transmitting device to a destination device, comprising:
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obtaining second information indicating whether or not the destination device requires power-saving handshaking; storing the second information in a memory in the information transmitting device; selecting at least a power-saving transmission mode and a normal transmission mode according to the second information stored in the memory, the power-saving transmission mode including transmitting and receiving of power-saving handshaking signals, the normal transmission mode excluding the transmitting and the receiving of the power-saving handshaking signals; and transmitting the first information in the selected mode, wherein transmitting the first information in the power-saving transmission mode comprises; waiting to receive a predetermined signal; transmitting a first enabling signal after receiving the predetermined signal; and transmitting the first information after transmitting the first enabling signal, wherein the second information is included in the predetermined signal. - View Dependent Claims (2, 3, 4, 5)
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6. A method of transmitting first information between an information transmitting device and a destination device, comprising:
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obtaining second information indicating whether or not the destination device requires power-saving handshaking; storing the second information in a memory in the information transmitting device; selecting at least a power saving transmission mode and a normal transmission mode according to the second information stored in the memory, the power-saving transmission mode including transmitting and receiving of power-saving handshaking signals, the normal transmission mode excluding the transmitting and the receiving of the power-saving handshaking signals; and transmitting the first information in the selected mode, wherein transmitting the first information in the power-saving transmission mode comprises; waiting to receive a predetermined signal; transmitting a first enabling signal after receiving the predetermined signal; transmitting the first information after transmitting the first enabling signal, and transmitting a second enabling signal after transmitting the first information, wherein the second information is included in the predetermined signal.
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Specification