Wireless Transmitter
3 Assignments
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Accused Products
Abstract
A magnetic field tolerant amplifier having an amplifier stage, a differential to single-ended output amplifier stage and a first and second delay line. In another embodiment the invention relates to a magnetic gradient cancellation delay line including two coils connected in series at a junction and non-inductively wound to cancel induced currents from magnetic gradient. In another embodiment the invention relates to a patient lead including a flexible circuit substrate having a flexible conductor having distributed impedance. In still yet another embodiment the invention relates to a wireless transceiver system including an RF cancellation delay line; a differential amplifier stage; a differential to single ended output amplifier stage; an A/D converter; an RF transceiver and an antenna.
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Citations
10 Claims
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1-6. -6. (canceled)
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7. A wireless transceiver system comprising:
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a RF cancellation delay line having a pair of output terminals; an amplifier stage, said amplifier stage comprising a pair of differential input terminals and a pair of differential output terminals;
each of said pair of differential input terminals of said amplifier stage in electrical communication with a respective output terminal said pair of RF cancellation delay line output terminals;a differential to single ended output amplifier stage, said differential to single ended output amplifier stage comprising a pair of differential input terminals and an output terminal, each of said differential input terminals of said differential to single ended output amplifier stage in electrical communication with a respective one of said differential output terminals of said amplifier stage; an A/D converter having an output terminal and having an input terminal, said input terminal of said A/D converter in electrical communication with said output terminal of said differential to single ended output amplifier stage; an RF transceiver having an output terminal and having an input terminal, said input terminal of said RF transceiver in electrical communication with said output terminal of said A/D converter; an antenna in electrical communication with said output terminal of said RF transceiver.
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9. A wireless transceiver system comprising:
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a first transceiver sub-system comprising; an RF cancellation delay line having a pair of output terminals; an amplifier stage, said amplifier stage comprising a pair of differential input terminals and a pair of differential output terminals;
each of said pair of differential input terminals of said amplifier stage in electrical communication with a respective output terminal said pair of RF cancellation delay line output terminals;a differential to single ended output amplifier stage, said differential to single ended output amplifier stage comprising a pair of differential input terminals and an output terminal, each of said differential input terminals of said differential to single ended output amplifier stage in electrical communication with a respective one of said differential output terminals of said amplifier stage; an A/D converter having an output terminal and having an input terminal, said input terminal of said A/D converter in electrical communication with said output terminal of said differential to single ended output amplifier stage; an RF transceiver having an output terminal and having an input terminal, said input terminal of said RF transceiver in electrical communication with said output terminal of said A/D converter; an antenna in electrical communication with said output terminal of said RF transceiver; and a second transceiver subsystem comprising; a second RF transceiver having an input terminal and an output terminal; and an antenna in electrical communication with said input terminal of said second RF transceiver.
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10. (canceled)
Specification