Inventor
STANGER LEON J
18 patents
⚠️ This page may combine multiple inventors who share the name “STANGER LEON J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DIRECTV GROUP INC
8 patentsUS7926078B2Apr 12, 2011
Virtual video on demand using multiple encrypted video segments
DIRECTV GROUP INC60 citations98
US7212248B2May 1, 2007
Method and apparatus for lipsync measurement and correction
DIRECTV GROUP INC23 citations92
US7376159B1May 20, 2008
Exploitation of null packets in packetized digital television systems
DIRECTV GROUP INC21 citations90
US7817184B1Oct 19, 2010
Methods and apparatus to test receivers
DIRECTV GROUP INC12 citations83
US7948558B2May 24, 2011
Audio video timing measurement and synchronization
DIRECTV GROUP INC2 citations62
US7948559B2May 24, 2011
Method and apparatus for lipsync measurement and correction
DIRECTV GROUP INC0 citations51
US7848364B2Dec 7, 2010
Exploitation of null packets in packetized digital television systems
DIRECTV GROUP INC1 citations50
US9917564B2Mar 13, 2018
System and method to monitor audio loudness and provide audio automatic gain control
DIRECTV GROUP INC0 citations48
GRASS VALLEY GROUP
5 patentsUS4654696AMar 31, 1987
Video signal format
GRASS VALLEY GROUP133 citations95
US5440591AAug 8, 1995
Switching apparatus for digital signals
GRASS VALLEY GROUP17 citations72
US4254435AMar 3, 1981
Noise eliminator for television synchronizing signal separating circuits
GRASS VALLEY GROUP9 citations71
US5123032AJun 16, 1992
Analog "blue" signal detector
GRASS VALLEY GROUP4 citations62
US4799026AJan 17, 1989
Multifunction amplifier
GRASS VALLEY GROUP6 citations54