Electric device
3 Assignments
0 Petitions
Accused Products
Abstract
An electronic device, e. g. a measuring transducer, has an interface circuit for communicating with and receiving power from a two-wire line, said interface circuit has a modulator connected to the two-wire line and responsive to an information signal for modulating the current in the two-wire line according to the information signal, and further has a controllable switching type DC-to-DC converter for extracting power for the electronic device from the two-wire line. To reduce energy losses, the DC-to-DC converter is designed to be controlled by said information signal and to perform the function of the modulation means.
39 Citations
9 Claims
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1-3. -3. (canceled)
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4. An electronic device, comprising:
an interface circuit for communicating with and receiving power from a two-wire line, wherein the interface circuit has a modulation device connected to the two-wire line and responsive to an information signal for modulating the current in the two-wire line according to the information signal, and a controllable switching type DC-to-DC converter for extracting power for the electronic device from the two-wire line, wherein the DC-to-DC converter is controlled by said information signal. - View Dependent Claims (5, 6, 7, 8, 9)
Specification
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Current AssigneeSiemens AG
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Original AssigneeSiemens AG
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InventorsFerreira, Edson Leocadio
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Granted Patent
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Time in Patent OfficeDays
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Field of Search
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US Class Current455/344
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CPC Class CodesG08C 19/02 in which the signal transmi...
