Telemetry system employing DC balanced encoding
First Claim
1. A telemetry system comprising:
- a first device comprising;
a processor that employs a DC balanced encoding scheme to generate a DC balanced encoded data signal;
a carrier generator for generating an RF carrier wave;
a modulator for modulating the RF carrier wave by the DC balanced encoded data signal and generating a DC balanced encoded RF modulated data signal including DC balanced RF energy; and
a transmitter for wirelessly transmitting the DC balanced encoded RF modulated data signal.
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Accused Products
Abstract
A telemetry system including a first device having a processor that employs a DC balanced encoding scheme to generate a DC balanced encoded data signal, a modulator for modulating an RF carrier wave by the DC balanced encoded data signal and generating a DC balanced encoded RF modulated data signal including DC balanced RF energy. The DC balanced encoded RF modulated data signal transmitted by the first device is received by a second device. Since the RF energy received is DC balanced, drift in baseline voltage is eliminated irrespective of data transmission thereby improving the robustness of recovery of data by the second device. The second device may include a converter for converting the DC balanced RF energy extracted from the received DC balanced encoded RF modulated data signal to a substantially constant average induced voltage, irrespective of data being transmitted, for powering at least one component of the second device.
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Citations
20 Claims
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1. A telemetry system comprising:
a first device comprising; a processor that employs a DC balanced encoding scheme to generate a DC balanced encoded data signal; a carrier generator for generating an RF carrier wave; a modulator for modulating the RF carrier wave by the DC balanced encoded data signal and generating a DC balanced encoded RF modulated data signal including DC balanced RF energy; and a transmitter for wirelessly transmitting the DC balanced encoded RF modulated data signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A telemetry system comprising:
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a first device comprising; a processor that employs a DC balanced encoding scheme to generate a DC balanced encoded data signal; a carrier generator for generating an RF carrier wave; a modulator for modulating the RF carrier wave by the DC balanced encoded data signal and generating a DC balanced encoded RF modulated data signal including DC balanced RF energy; a transmitter for wirelessly transmitting the DC balanced encoded RF modulated data signal; and a second device receiving the DC balanced encoded RF modulated data signal transmitted by the first device, the DC balanced RF energy eliminating drift in baseline voltage irrespective of data transmission so as to improve recovery of data by the second device. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A method for RF communication between a first device and a second device, comprising the steps of:
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applying a DC balanced encoding scheme to a data signal to produce a DC balanced encoded data signal; modulating a generated RF carrier wave by the DC balanced encoded data signal to produce a DC balanced encoded RF modulated data signal including DC balanced RF energy; wirelessly transmitting the DC balanced encoded RF modulated data signal from the first device; and receiving at the second device the DC balanced encoded RF modulated data signal, the DC balanced RF energy eliminating drift in baseline voltage irrespective of data transmission so as to improve recovery of data by the second device. - View Dependent Claims (19, 20)
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Specification