Inventor
CHALMERS HARVEY
US19 patents
⚠️ This page may combine multiple inventors who share the name “CHALMERS HARVEY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBIQUITY DIGITAL CORP
9 patentsUS8027419B2Sep 27, 2011
Method for alignment of analog and digital audio in a hybrid radio waveform
IBIQUITY DIGITAL CORP12 citations83
US9876592B2Jan 23, 2018
Systems and methods for detection of signal quality in digital radio broadcast signals
IBIQUITY DIGITAL CORP7 citations80
US8351843B2Jan 8, 2013
Digital radio broadcast receiver, broadcasting methods and methods for tagging content of interest
IBIQUITY DIGITAL CORP13 citations80
US9178740B1Nov 3, 2015
Peak-to-average power ratio reduction for QAM modulation with HD radio signals
IBIQUITY DIGITAL CORP4 citations73
US10581539B2Mar 3, 2020
Systems and methods for detection of signal quality in broadcast signals
IBIQUITY DIGITAL CORP1 citations69
US10256931B2Apr 9, 2019
Systems and methods for detection of signal quality in digital radio broadcast signals
IBIQUITY DIGITAL CORP1 citations69
US8676114B2Mar 18, 2014
Digital radio broadcast receiver, broadcasting methods and methods for tagging content of interest
IBIQUITY DIGITAL CORP5 citations69
US7957478B2Jun 7, 2011
Radio signal generator
IBIQUITY DIGITAL CORP4 citations54
US12574133B2Mar 10, 2026
Mobile hybrid radio receiver service following source selection
IBIQUITY DIGITAL CORP0 citations41
COMSAT CORP
4 patentsUS5640416AJun 17, 1997
Digital downconverter/despreader for direct sequence spread spectrum communications system
COMSAT CORP201 citations98
US5375146ADec 20, 1994
Digital frequency conversion and tuning scheme for microwave radio receivers and transmitters
COMSAT CORP324 citations98
US6141372AOct 31, 2000
Digital downconverter/despreader for direct sequence spread spectrum CDMA communications system
COMSAT CORP77 citations96
US6052364AApr 18, 2000
CDMA system architecture for satcom terminals
COMSAT CORP141 citations96
JOHNSON STEVEN ANDREW
3 patentsUS8144612B2Mar 27, 2012
Systems and methods for transmitting media content via digital radio broadcast transmission for synchronized rendering by a receiver
JOHNSON STEVEN ANDREW22 citations87
US8660479B2Feb 25, 2014
Digital radio broadcast receiver, broadcasting methods and methods for tagging content of interest
JOHNSON STEVEN ANDREW4 citations70
US8804037B2Aug 12, 2014
Systems and methods for transmitting media content via digital radio broadcast transmission for synchronized rendering by a receiver
JOHNSON STEVEN ANDREW4 citations65