Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Patrick Stanley Riehl"'
Publikováno v:
2021 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT).
In this paper, four kinds of conductive threads were studied and their uses on embroidered coils for wireless charging system were examined. The results show that the embroidered coils can achieve a quality factor of at least 3 without compromising t
Publikováno v:
2021 IEEE Wireless Power Transfer Conference (WPTC).
In this paper, we report a method of using embroidery to fabricate textile inductor coils for wireless charging of wearable sensor devices on smart garments. Electrical properties of embroidered coils are measured and compared with simulation. A proc
Publikováno v:
2020 IEEE Wireless Power Transfer Conference (WPTC).
Wireless-charging hanger and drawer systems with conductive textile receiver coils are reported in this paper. Both systems can be used to conveniently charge Li-ion batteries in smart garments with embedded sensors. The receiver coils fabricated wit
Autor:
Abraham Shin, Patrick Stanley Riehl, Ujwal Radhakrishna, Anantha P. Chandrakasan, Nachiket Desai, Phillip Nadeau, Jeffrey H. Lang, Yuechen Yang
Publikováno v:
CICC
This paper demonstrates the first fully-functional integrated power converter designed to interface a MEMS-based electromagnetic (EM) vibration energy harvester for near-50 Hz operation. The IC accomplishes (i) cold startup from a 50 Hz–150-mV-peak
Autor:
Brian Juan, Yung-Chih Yen, Vladimir A. Muratov, Patrick Stanley Riehl, Jui-Ching Yang, Chi-Min Lee, Fu-Chi Lin, Hasnain Akram, Philip Frank Tustin, William Plumb, Anand Satyamoorthy
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 63:780-790
We demonstrate a family of wireless power devices that operate in a variety of operating modes. A multimode wireless power receiver unit (PRU) allows a mobile device to charge from any one of three wireless power standards: Qi, Power Matters Alliance
Publikováno v:
2016 IEEE Wireless Power Transfer Conference (WPTC).
A 3-D wireless charging system with spatial freedom of positioning is proposed in this paper. By independently adjusting the phase and the amplitude of the input signals, the blind spots within a cylindrical volume are eliminated. Moreover, the symme
Publikováno v:
VTC Fall
A cup-shaped in-vehicle wireless charging system that allows free alignment for charging portable devices is proposed in this paper. A 3D transmitter coil structure is designed to provide the sufficient magnetic flux density perpendicular to each cha
Autor:
Patrick Stanley Riehl, Jenshan Lin, Anand Satyamoorthy, William Plumb, Ron-Chi Kuo, Philip Frank Tustin
Publikováno v:
2015 IEEE Wireless Power Transfer Conference (WPTC).
A resonant wireless power transfer (WPT) system that allows for free positioning of a wearable device about a 360° axis of rotation and simultaneous charging of a mobile phone is proposed. A 3D transmitter coil structure is introduced to provide a c
Autor:
Yung-Chih Yen, Patrick Stanley Riehl, Fu-Chi Lin, Anand Satyamoorthy, Brian Juan, Jui-Ching Yang, Hasnain Akram, Chi-Min Lee
Publikováno v:
2014 IEEE Wireless Power Transfer Conference.
We demonstrate a compact wireless power receiver for mobile phones that operates either in a resonant mode at 6.78 MHz or an inductive mode in the 110 to 205 kHz range. A coil arrangement and matching network is introduced that is resonant in both fr
Publikováno v:
ISSCC
High-data-rate wireless technologies such as HSUPA and LTE are power-hungry because of the fundamental correlation between data rate and transmit power. Furthermore, the high peak-to-average power ratio (PAPR) of the modulated signals causes a degrad