Antenna with integrated proximity sensor for proximity-based radio-frequency power control

RW Schlub, Y Jiang, Q Li, J Zhu, R Caballero - US Patent 8,577,289, 2013 - Google Patents
An electronic device may have a housing in Which an antenna is mounted. An antenna
Window may be mounted in the housing to alloW radio-frequency signals to be transmitted …

Integrated antenna and sensor element apparatus for a portable wireless terminal

P Gyu-Bok, HJ Lee, SON Cheol-Hong, A Kim… - US Patent …, 2016 - Google Patents
An apparatus with a metal member used as at least one of an antenna and a sensor element
in a portable terminal is disclosed. The apparatus includes the metal member, responsive to …

Designing asian-sized hand model for SAR determination at GSM900/1800: Simulation part

SH Ronald, MFB Abd Malek, SIS Hassan… - Progress In …, 2012 - jpier.org
A simple geometrical Asian-hand model with human tissue properties posed at two common
talk-mode positions is proposed for comparative study. The newly designed hand is formed …

Simple automatic antenna tuning system and method

WD Anderson - US Patent 9,002,278, 2015 - Google Patents
Embodiments of a method fortuning the resonant frequency of an antenna in a wireless
communication device are dis closed, along with embodiments of a wireless communica tion …

Effects of smartphone size and hand size on grip posture in one-handed hard key operations

Y Choi, X Yang, J Park, W Lee, H You - Applied Sciences, 2020 - mdpi.com
Featured Application The grip posture information identified from this study can provide
fundamental knowledge of how users grasp a smartphone and be of use for the design of …

Bandwidth-optimal single-tunable-element matching network for antenna tuning in mobile handsets

WN Allen, D Peroulis - 2011 IEEE MTT-S International …, 2011 - ieeexplore.ieee.org
This paper presents a single-tunable-element matching network that is optimized for the
GSM850 and GSM900 bands. It is designed to counteract the detuning of mobile handset …

Adaptive maximum power limiting using capacitive sensing in a wireless device

P Shi, GE Jinchun - US Patent 9,866,250, 2018 - Google Patents
An apparatus for satisfying Specific Absorption Rate (SAR) compliance criteria including a
first capacitance sensor, a second capacitance sensor, a memory, and a processor. The …

Adaptive maximum power limiting using capacitive sensing in a wireless device

P Shi, GE Jinchun - US Patent 9,621,211, 2017 - Google Patents
An apparatus for satisfying Specific Absorption Rate (SAR) compliance criteria including a
first capacitance sensor, a second capacitance sensor, a memory, and a processor. The …

Integrated antenna and sensor element apparatus for a portable wireless terminal

P Gyu-Bok, HJ Lee, SON Cheol-Hong, A Kim… - US Patent …, 2017 - Google Patents
An apparatus interworking with a metal member used both as an antenna and a sensor
element in a portable terminal is disclosed. The apparatus includes the metal member …

Analysis of grip posture for ergonomic smartphone interface design

Y Choi, H Jung, J Park, H You - Proceedings of the Human …, 2017 - journals.sagepub.com
Grip posture needs to be considered to ergonomic smartphone interface design for better
usability in terms of controllability, user performance, and stability. The present study is …