System for wireless transmission of medical data
First Claim
1. A system for transmitting medical data, comprising:
- at least two electrodes to be placed on a body of a patient for generating an electrical signal;
a first unit for receiving the electrical signal from the at least two electrodes and for differential amplification and band-pass filtering of the electrical signal to reject a common mode;
a second unit for receiving the electrical signal differentially amplified and band-pass filtered from the first unit and for selectively rejecting a frequency of a sector and harmonics of the sector of the electrical signal, to generate an electrical transmission signal; and
a modulator for receiving the electrical transmission signal from the second unit and for modulating the electrical transmission signal by a transmission frequency carrier; and
an antenna for transmitting the modulated electrical transmission signal.
1 Assignment
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Accused Products
Abstract
The system for wireless transmission of medical data comprises a piece of transmission equipment carried by the patient which comprises a unit for differential amplification and band filtering, a unit for rejection of interference noises, particularly the sector and its harmonics, existing in the band of the useful signal, an amplification circuit with automatic gain control and a modulator receiving a carrier frequency, for example microwave at 2.45 GHz and the useful signal, in analog or after a digital conversion and optional processings. The system also comprises a suitable receiving station. The carrier frequency can be either generated in the transmission equipment, or in the receiving station which then transmits the nonmodulated carrier for the transmitters that are associated with it.
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Citations
16 Claims
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1. A system for transmitting medical data, comprising:
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at least two electrodes to be placed on a body of a patient for generating an electrical signal; a first unit for receiving the electrical signal from the at least two electrodes and for differential amplification and band-pass filtering of the electrical signal to reject a common mode; a second unit for receiving the electrical signal differentially amplified and band-pass filtered from the first unit and for selectively rejecting a frequency of a sector and harmonics of the sector of the electrical signal, to generate an electrical transmission signal; and a modulator for receiving the electrical transmission signal from the second unit and for modulating the electrical transmission signal by a transmission frequency carrier; and an antenna for transmitting the modulated electrical transmission signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A system for transmitting medical data, comprising:
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at least two electrodes to be placed on a body of a patient for generating an electrical signal; a first unit for receiving the electrical signal from the at least two electrodes and for differential amplification and band-pass filtering of the electrical signal to reject a common mode; a second unit for receiving the electrical signal differentially amplified and band-pass filtered from the first unit and for selectively rejecting a frequency of a sector and harmonics of the sector of the electrical signal, to generate an electrical transmission signal; a chain for conversion and for digital processing of the electrical transmission signal in baseband to generate a digital electrical transmission signal, wherein the chain for conversion and for digital processing comprises, in series, a flow compression circuit, an error correcting coding circuit, and a circuit for formatting data to be transmitted; a digital modulator for receiving the electrical transmission signal from the chain for conversion and for digital processing and for modulating the electrical transmission signal by a transmission frequency carrier; and an antenna for transmitting the modulated electrical transmission signal. - View Dependent Claims (12, 13, 14, 15, 16)
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Specification