System and method for communication with a mobile device via a positioning system including RF communication devices and modulated beacon light sources

D Ryan, KE Green, EP Malandrakis… - US Patent 9,509,402, 2016 - Google Patents
(57) ABSTRACT A light source emits a modulated light, and a radio-fre quency transceiver
disposed therewith emits a radio-fre quency signal. A mobile device may receive either or …

Content delivery based on a light positioning system

A Ganick, D Ryan - US Patent 8,964,016, 2015 - Google Patents
6,590,687 6,608,453 6,614,126 6,701,092 6,794,831 6,807,478 6,865,347 6,954,591
6,985,744 7,016,115 7,022,928 7,123,159 7,230,196 7,265,307 7,309,965 7,352,972 …

Location-based mobile services and applications

A Ganick, D Ryan - US Patent 9,418,115, 2016 - Google Patents
In one aspect, the present disclosure relates to methods and apparatuses for performing a
location-based search from a mobile device in a given location including an imaging sensor …

Light positioning system using digital pulse recognition

A Ganick, D Ryan - US Patent 8,248,467, 2012 - Google Patents
7.309, 965 B2 12/2007 Dowling et al. 7,415,212 B2* 8/2008 Matsushita et al............ 398,130
7,583,901 B2 9/2009 Nakagawa et al. 7,683,954 B2* 3/2010 Ichikawa et al............... 348,308 …

Method and system for modulating a light source in a light based positioning system using a DC bias

A Ganick, D Ryan - US Patent 8,334,901, 2012 - Google Patents
G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR
VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE …

Device for dimming a beacon light source used in a light based positioning system

D Ryan, A Ganick - US Patent 8,432,438, 2013 - Google Patents
US 2013/0026942 A1 Jan. 31, 2013 OTHER PUBLICATIONS Video Davis, C.“VLCD-Light
LED Networking Takes on Wifi and GPS,< http://www. slashgear. com/vlc-d-light-led …

Self-identifying one-way authentication method using optical signals

A Ganick, D Ryan - US Patent 9,444,547, 2016 - Google Patents
In one aspect, the present disclosure relates to a self-identifying optical transmitter for
broadcasting a one-way authentication code using light-based communication. The …

Visible light communication method and apparatus

DY Kim, ET Won, YK Cho, TH Bae, GU Sun-Gi… - US Patent …, 2013 - Google Patents
A method and an apparatus are provided for guaranteeing terminal mobility in a time
division visible light communication system. In resource assignment in a position where the …

Method and system for determining the position of a device in a light based positioning system using locally stored maps

A Ganick, D Ryan - US Patent 8,994,799, 2015 - Google Patents
US8994799B2 - Method and system for determining the position of a device in a light based
positioning system using locally stored maps - Google Patents US8994799B2 - Method and …

Method and system for video processing to determine digital pulse recognition tones

P Staats, R Sumner, D Ryan - US Patent 8,520,065, 2013 - Google Patents
G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR
VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE …