US Patent No: 5,324,315

Number of patents in Portfolio can not be more than 2000

Closed-loop downlink telemetry and method for implantable medical device

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Abstract

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A closed loop system for attaining premium telemetry performance for vector field electromagnetically coupled telemetry systems. The disclosed system utilizes a linear ramped envelope for downlink RF bursts, resulting in a detected pulse width in the implanted device which is proportional to the downlink detection margin. The detected pulse width, when uplink telemetered to an external programming unit allows the programming unit to generate a telemetry status feedback signal for the user positioning the programming head with respect to the implant site. Feedback based upon both uplink and downlink signal strength in especially advantageous in dual-coil systems where there are distinct and unique coupling coefficients for uplink and downlink.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
DUTHLER, REED A.MINNEAPOLIS, MN21
MEDTRONIC, INC.MINNEAPOLIS, MN4997

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Grevious, John J Minneapolis, MN 22 1140

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
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INTERMEDICS, INC. (1)
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Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
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