Device for transmitting energy and data and method for operating such device
First Claim
1. An energy transmission device for the wireless transmission of energy to an active implant, comprisinga transmitter coil adapted for electrical connection to an energy source, andan implantable receiver coil adapted for inductive coupling to the transmitter coil for wireless energy transmission,whereinan implantable primary coil is electrically connected to a modulator, the modulator modulating an AC voltage supplied to the implantable primary coil based on a data signal so that data transmission from the implantable primary coil to an extracorporeal secondary coil is performed,the frequency of the data transmission being different from the frequency at which the energy is transmitted from the transmitter coil to the receiver coil,whereininformation regarding the energy control of the energy to be transmitted from the transmitter coil is transmitted from the primary coil to the secondary coil by a pulse width modulated signal,other information not regarding the energy control is transmitted by a frequency modulation of the carrier frequency of the pulse width modulated signal or by a modulation of the frequency at which the pulses of the pulse width modulated signal are transmitted.
2 Assignments
0 Petitions
Accused Products
Abstract
Energy transmission device for the wireless transmission of energy to an active implant, comprising: a transmitter coil adapted for electrical connection to an energy source, and an implantable receiver coil adapted for inductive coupling to the transmitter coil for wireless energy transmission, wherein an implantable primary coil is electrically connected to a modulator, the modulator modulating an AC voltage supplied to the implantable primary coil based on a data signal so that data transmission from the implantable primary coil to an extracorporeal secondary coil is performed, the frequency of the data transmission being different from the frequency at which the energy is transmitted from the transmitter coil to the receiver coil, and wherein information regarding the energy control of the energy to be transmitted from the transmitter coil is transmitted from the primary coil to the secondary coil by a pulse width modulated signal, other information not regarding the energy control is transmitted by means of a frequency modulation of the carrier frequency of the pulse width modulated signal or by a modulation of the frequency at which the pulses of the pulse width modulated signal are transmitted.
5 Citations
15 Claims
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1. An energy transmission device for the wireless transmission of energy to an active implant, comprising
a transmitter coil adapted for electrical connection to an energy source, and an implantable receiver coil adapted for inductive coupling to the transmitter coil for wireless energy transmission, wherein an implantable primary coil is electrically connected to a modulator, the modulator modulating an AC voltage supplied to the implantable primary coil based on a data signal so that data transmission from the implantable primary coil to an extracorporeal secondary coil is performed, the frequency of the data transmission being different from the frequency at which the energy is transmitted from the transmitter coil to the receiver coil, wherein information regarding the energy control of the energy to be transmitted from the transmitter coil is transmitted from the primary coil to the secondary coil by a pulse width modulated signal, other information not regarding the energy control is transmitted by a frequency modulation of the carrier frequency of the pulse width modulated signal or by a modulation of the frequency at which the pulses of the pulse width modulated signal are transmitted.
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13. A method for operating an energy transmission device for the wireless transmission of energy to an active implant, the method comprising the following steps:
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a) supplying an AC voltage to a transmitter coil, b) inductively coupling an implantable receiver coil to the transmitter coil so that an AC voltage is induced in the receiver coil, c) modulating an AC voltage supplied to the implanted primary coil in accordance to a data signal to be supplied from the implanted primary coil to the extracorporeal secondary coil, d) inducing a modulated AC voltage in the extracorporeal secondary coil by the modulated AC voltage of the implanted primary coil, e) extracting and evaluating the data signal received by the extracorporeal secondary coil, f) transmitting information regarding the energy control of the energy to be transmitted by the transmitter coil by a pulse width modulated signal from the implanted primary coil to the extracorporeal secondary coil, g) transmitting other information that do not regard the energy control by a frequency modulation of the carrier frequency of the pulse width modulated signal or by a modulation of the frequency at which the pulses of the pulse width modulated signals are transmitted. - View Dependent Claims (14, 15)
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Specification