Inventor
SPILKER JR JAMES J
US35 patents
⚠️ This page may combine multiple inventors who share the name “SPILKER JR JAMES J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROSUM CORP
23 patentsUS7042949B1May 9, 2006
Robust data transmission using broadcast digital television signals
ROSUM CORP159 citations99
US7126536B2Oct 24, 2006
Position location using terrestrial digital video broadcast television signals
ROSUM CORP77 citations98
US6952182B2Oct 4, 2005
Position location using integrated services digital broadcasting—terrestrial (ISDB-T) broadcast television signals
ROSUM CORP72 citations98
US6917328B2Jul 12, 2005
Radio frequency device for receiving TV signals and GPS satellite signals and performing positioning
ROSUM CORP92 citations98
US6914560B2Jul 5, 2005
Position location using broadcast digital television signals comprising pseudonoise sequences
ROSUM CORP79 citations98
US6753812B2Jun 22, 2004
Time-gated delay lock loop tracking of digital television signals
ROSUM CORP73 citations98
US6717547B2Apr 6, 2004
Position location using broadcast television signals and mobile telephone signals
ROSUM CORP87 citations98
US6559800B2May 6, 2003
Position location using broadcast analog television signals
ROSUM CORP93 citations98
US7372405B2May 13, 2008
Position location using digital video broadcast television signals
ROSUM CORP42 citations96
US7042396B2May 9, 2006
Position location using digital audio broadcast signals
ROSUM CORP57 citations96
US6970132B2Nov 29, 2005
Targeted data transmission and location services using digital television signaling
ROSUM CORP66 citations96
US6879286B2Apr 12, 2005
Position location using ghost canceling reference television signals
ROSUM CORP47 citations96
US6861984B2Mar 1, 2005
Position location using broadcast digital television signals
ROSUM CORP57 citations96
US6859173B2Feb 22, 2005
Position location using broadcast television signals and mobile telephone signals
ROSUM CORP65 citations96
US6727847B2Apr 27, 2004
Using digital television broadcast signals to provide GPS aiding information
ROSUM CORP81 citations96
US6522297B1Feb 18, 2003
Position location using ghost canceling reference television signals
ROSUM CORP56 citations96
US7463195B2Dec 9, 2008
Position location using global positioning signals augmented by broadcast television signals
ROSUM CORP28 citations92
US6963306B2Nov 8, 2005
Position location and data transmission using pseudo digital television transmitters
ROSUM CORP41 citations92
US6961020B2Nov 1, 2005
Position location using broadcast analog television signals
ROSUM CORP36 citations92
US6839024B2Jan 4, 2005
Position determination using portable pseudo-television broadcast transmitters
ROSUM CORP50 citations92
US7471244B2Dec 30, 2008
Monitor units for television signals
ROSUM CORP28 citations91
US7792156B1Sep 7, 2010
ATSC transmitter identifier signaling
ROSUM CORP8 citations84
US7733270B1Jun 8, 2010
Position location using global positioning signals augmented by broadcast television signals
ROSUM CORP4 citations63
LOCKHEED MISSILES SPACE
3 patentsUS4324002AApr 6, 1982
Delay-modulated random energy intelligence communication system
LOCKHEED MISSILES SPACE28 citations82
US4363130ADec 7, 1982
Binary digital communication system
LOCKHEED MISSILES SPACE8 citations69
US4326292AApr 20, 1982
Random energy communication system
LOCKHEED MISSILES SPACE6 citations58