Configuration for generating a response signal, carrying an information item, to a received electromagnetic radiation, and method for generating the response signal
First Claim
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1. A configuration for generating an information-bearing response signal to a received electromagnetic radiation, comprising:
- a receiver for the electromagnetic radiation;
a transducer coupled to the receiver for changing the radiation into a storable secondary energy;
a storage device connected to said transducer for storing the storable secondary energy;
a nonlinear element connected to said storage device for generating a pulse-shaped radio-frequency signal from the storable secondary energy when a threshold value is reached in the storage device;
a coding element connected to said nonlinear element for impressing information on the radio-frequency signal to generate a response signal; and
a transmitting antenna connected to said coding element for broadcasting the response signal.
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Abstract
In a configuration, a received radiation is converted into a storable secondary energy by a transducer. From the stored secondary energy, a nonlinear element of the configuration generates a radio-frequency signal. A coding element impresses an information item on the radio-frequency signal to generate a response signal. The impressed information can be information on the value of an environmental parameter detected by the coding element, which, in turn, can be a physical quantity or type and/or concentration of a substance.
27 Citations
28 Claims
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1. A configuration for generating an information-bearing response signal to a received electromagnetic radiation, comprising:
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a receiver for the electromagnetic radiation;
a transducer coupled to the receiver for changing the radiation into a storable secondary energy;
a storage device connected to said transducer for storing the storable secondary energy;
a nonlinear element connected to said storage device for generating a pulse-shaped radio-frequency signal from the storable secondary energy when a threshold value is reached in the storage device;
a coding element connected to said nonlinear element for impressing information on the radio-frequency signal to generate a response signal; and
a transmitting antenna connected to said coding element for broadcasting the response signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28)
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24. A method for remotely interrogating a configuration for generating an information-bearing response signal to a received electromagnetic radiation, which sequentially comprises:
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providing a configuration;
generating an electromagnetic radiation of relatively low amplitude in an interrogating device;
transmitting the radiation to the configuration;
storing secondary energy of the radiation in the configuration;
generating a short pulse-shaped radio-frequency signal of relatively high amplitude from the stored secondary energy when a threshold value is reached;
impressing an information item on the short radio-frequency signal to generate a response signal; and
radiating the response signal.
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Specification
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Current AssigneeEnOcean GmbH
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Original AssigneeEnOcean GmbH
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InventorsSczesny, Oliver, Schmidt, Frank, Vossiek, Martin, Albsmeier, Andre, Knauer, Ulrich
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Application NumberUS09/910,751Publication NumberTime in Patent OfficeDaysField of SearchUS Class Current340/567CPC Class CodesG01S 13/758 using a signal generator po...G06K 19/0672 with resonating marksG06K 19/0675 the resonating marks being ...G06K 19/0701 at least one of the integra...G06K 19/0723 the record carrier comprisi...
