Communication system and device using dynamic receiver addressing
First Claim
1. A method of establishing a connection, via a communication network, between a first communication device and one or more second communication devices, none of said second communication devices having a predetermined identity, and each said second communication device having continuously available to it one or more locally generated data inputs, the method comprising the steps of:
- sending from said first communication device a signal containing the message to be communicated, as well as a specification of a filter, possibly along with associated data required by said filter;
each of said second communication devices applying said filter to said associated data contained in said signal as well as to one or more said locally generated data; and
establishing a connection for transfer of said message with at least one second communication device only if the filter operation in the at least one second communication device results in a true condition.
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Accused Products
Abstract
Method and a system for establishing a communication channel between a first communication device, or alternatively, a communication network operator, and one or more second communication devices. The identity of the one or more second communication devices is not pre-determined by the first communication device (or the communication network operator). Instead, the identity of which one or more of the second communication devices connects to the first communication device (or the network operator) is determined by the operation of one or more filters transmitted by the first communication device (or the network operator) on certain data that are both transmitted by the first communication device (or the network operator) as well as measured locally at each of the second communication devices.
209 Citations
16 Claims
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1. A method of establishing a connection, via a communication network, between a first communication device and one or more second communication devices, none of said second communication devices having a predetermined identity, and each said second communication device having continuously available to it one or more locally generated data inputs, the method comprising the steps of:
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sending from said first communication device a signal containing the message to be communicated, as well as a specification of a filter, possibly along with associated data required by said filter; each of said second communication devices applying said filter to said associated data contained in said signal as well as to one or more said locally generated data; and establishing a connection for transfer of said message with at least one second communication device only if the filter operation in the at least one second communication device results in a true condition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for operating a communication device for receiving a message from a communication network, said communication device having continuously available to it locally generated data that varies with time in a non-deterministic manner, the method comprising the steps of:
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downloading into the communication device a signal from the communication network, said signal containing a filter specification, any associated data required by said filter as well as the said message; applying said filter according to said specification to said downloaded data as well as to said locally available data; and using the result of said application of said filter to determine if said communication device is entitled to receive the message contained in said signal. - View Dependent Claims (13, 14)
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15. A method of establishing a connection, via a communication network, between a first communication device and one or more second communication devices, the method comprising the steps of:
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sending from said first communication device a signal containing the message to be communicated and at least one first data value; having continuously available to each said second communication device at least one locally generated second data value that is a measure of a local environmental parameter; and establishing a connection for transfer of said message with at least one second communication device only if a predetermined condition is satisfied between said first data value and said second data value available to said at least one second communication device.
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16. A method of establishing a connection, via a communication network, between a first communication device and one or more second communication devices, the method comprising the steps of:
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sending from said first communication device a signal containing the message to be communicated and specification of a filter and at least one first data value; having at least one predetermined second data value locally stored in each said second communication device; each of said second communication devices applying said filter to said first data and to said second data per said specification; and establishing a connection for transfer of said message with at least one second communication device only if said filter operation in said at least one second communication device results in a true condition.
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Specification