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 …

Illumination devices and related systems and methods

DJ Knapp - US Patent 8,773,336, 2014 - Google Patents
G09G3/20—Control arrangements or circuits, of interest only in connection with visual
indicators other than cathode-ray tubes for presentation of an assembly of a number of …

System and method for navigation using visible light communications

JH Ann, JS Son, ET Won - US Patent 7,970,537, 2011 - Google Patents
A navigation system and a navigation method inside of a building using Visible Light
Communications (VLC) are pro vided. The navigation system includes a map server, in …

Illumination device and method for controlling an illumination device over changes in drive current and temperature

DJ Knapp, JA Savage - US Patent 9,392,663, 2016 - Google Patents
An illumination device and method is provided herein for controlling individual light emitting
diodes (LEDs) in an LED illumination device, so that a desired luminous flux and a desired …