Adaptive transcutaneous power transfer to implantable devices: A state of the art review
Wireless energy transfer is a broad research area that has recently become applicable to
implantable medical devices. Wireless powering of and communication with implanted …
implantable medical devices. Wireless powering of and communication with implanted …
Method and apparatus for use in digitally tuning a capacitor in an integrated circuit device
TT Ranta - US Patent 9,024,700, 2015 - Google Patents
5,559,368 5,572,040 5,576,647 5,578,853 5,581,106 5,594,371 5,596.205 5,597,739
5,600,169 5,600,588 5,610,533 5,629,655 5,663,570 5,670,907 5,681,761 5,689,144 …
5,600,169 5,600,588 5,610,533 5,629,655 5,663,570 5,670,907 5,681,761 5,689,144 …
[HTML][HTML] Improved adaptive impedance matching for RF front-end systems of wireless transceivers
In this paper an automatic adaptive antenna impedance tuning algorithm is presented that is
based on quantum inspired genetic optimization technique. The proposed automatic …
based on quantum inspired genetic optimization technique. The proposed automatic …
Methods and apparatuses for use in tuning reactance in a circuit device
RE Reedy, DW Nobbe, TT Ranta, CV Liss… - US Patent …, 2015 - Google Patents
Methods and apparatuses for use in tuning reactance are described. Open loop and closed
loop control for tuning of reactances are also described. Tunable inductors and/or tun able …
loop control for tuning of reactances are also described. Tunable inductors and/or tun able …
Adaptive Impedance-Matching Techniques for Controlling L Networks
A Van Bezooijen, MA De Jongh… - … on Circuits and …, 2009 - ieeexplore.ieee.org
The link quality of mobile phones suffers from antenna mismatch due to fluctuating body
effects. Techniques for adaptive control of impedance-matching L networks are presented …
effects. Techniques for adaptive control of impedance-matching L networks are presented …
Tuning capacitance to enhance FET stack voltage withstand
RM Englekirk - US Patent 8,536,636, 2013 - Google Patents
US PATENT DOCUMENTS 3,470,443 A 9/1969 Berry et al. 3,646,361 A 2, 1972 Pfiffner
3,699,359 A 10/1972 Shelby 3,731,112 A 5, 1973 Smith 3,878.450 A 4, 1975 Greatbatch …
3,699,359 A 10/1972 Shelby 3,731,112 A 5, 1973 Smith 3,878.450 A 4, 1975 Greatbatch …
Tunable matching networks based on phase-switched impedance modulation
AS Jurkov, A Radomski… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
The ability to provide accurate, rapid, and dynamically controlled impedance matching offers
significant advantages to a wide range of present and emerging radio-frequency (RF) power …
significant advantages to a wide range of present and emerging radio-frequency (RF) power …
Devices and methods for improving voltage handling and/or bi-directionality of stacks of elements when connected between terminals
TT Ranta, S Bawell, RW Greene, CN Brindle… - US Patent …, 2014 - Google Patents
Devices and methods for improving Voltage handling and/or bi-directionality of stacks of
elements when connected between terminals are described. Such devices and method …
elements when connected between terminals are described. Such devices and method …
Devices and methods for improving voltage handling and/or bi-directionality of stacks of elements when connected between terminals
TT Ranta, S Bawell, RW Greene, CN Brindle… - US Patent …, 2014 - Google Patents
Devices and methods for improving Voltage handling and/or bi-directionality of stacks of
elements when connected between terminals are described. Such devices and method …
elements when connected between terminals are described. Such devices and method …
Comparison of radio-frequency power architectures for plasma generation
Applications such as plasma generation require the generation and delivery of radio-
frequency (rf) power into widely-varying loads while simultaneously demanding high …
frequency (rf) power into widely-varying loads while simultaneously demanding high …