POWER AND DATA TRANSFER IN HEARING PROSTHESES
First Claim
1. An implantable medical device, comprising:
- an implantable resonant circuit comprising an implantable coil; and
an external resonant circuit comprising an external coil configured to transcutaneously transfer power and data to the implantable coil using separate power and data time slots, wherein at least one of the external or implantable resonant circuit is substantially more damped during the data time slots than during the power time slots.
1 Assignment
0 Petitions
Accused Products
Abstract
Embodiments presented herein are generally directed to techniques for separately transferring power and data from an external device to an implantable component of a partially or fully implantable medical device. The separated power and data transfer techniques use a single external coil and a single implantable coil. The external coil is part of an external resonant circuit, while the implantable coil is part of an implantable resonant circuit. The external coil is configured to transcutaneously transfer power and data to the implantable coil using separate (different) power and data time slots. At least one of the external or internal resonant circuit is substantially more damped during the data time slot than during the power time slot.
21 Citations
35 Claims
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1. An implantable medical device, comprising:
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an implantable resonant circuit comprising an implantable coil; and an external resonant circuit comprising an external coil configured to transcutaneously transfer power and data to the implantable coil using separate power and data time slots, wherein at least one of the external or implantable resonant circuit is substantially more damped during the data time slots than during the power time slots. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An external transmitter circuit, comprising:
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an external resonant circuit comprising an external coil; one or more driver bridges configured to cause the external coil to transfer power and data to an implantable receiver circuit using separate power and data time slots, wherein the quality factor of the external resonant circuit is lower during the data slots than during the power time slots. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23)
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24. An apparatus, comprising:
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an implantable resonant circuit comprising an implantable coil; and an external resonant circuit comprising an external coil forming a transcutaneous power and data link with the implantable coil; and at least one driver bridge configured to drive the external coil so as to separately transfer power and data to the implantable coil, wherein operational characteristics of at least one of the implantable resonant circuit or the external resonant circuit are dynamically adjusted during transfer of data to the implantable coil. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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Specification