Inventor
SCARPA CARL
US39 patents
⚠️ This page may combine multiple inventors who share the name “SCARPA CARL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIRIUS XM RADIO INC
21 patentsUS10903974B2Jan 26, 2021
Maintaining repeater accuracy for satellite signal delivery systems
SIRIUS XM RADIO INC5 citations84
US12028439B2Jul 2, 2024
Maintaining repeater accuracy for satellite signal delivery systems
SIRIUS XM RADIO INC1 citations73
US12021677B2Jun 25, 2024
Method and apparatus for advanced OFDM triggering techniques
SIRIUS XM RADIO INC1 citations73
US11463234B2Oct 4, 2022
Maintaining repeater accuracy for satellite signal delivery systems
SIRIUS XM RADIO INC3 citations73
US11336497B2May 17, 2022
Method and apparatus for advanced OFDM triggering techniques
SIRIUS XM RADIO INC1 citations73
US10812310B1Oct 20, 2020
Method and apparatus for advanced OFDM triggering techniques
SIRIUS XM RADIO INC4 citations73
US11973492B2Apr 30, 2024
Universal automatic frequency control for multi-channel receivers
SIRIUS XM RADIO INC2 citations71
US11444602B2Sep 13, 2022
Universal automatic frequency control for multi-channel receivers
SIRIUS XM RADIO INC3 citations71
US10693442B1Jun 23, 2020
Universal automatic frequency control for multi-channel receivers
SIRIUS XM RADIO INC3 citations71
US12166617B2Dec 10, 2024
Dynamic trigger compensation in OFDM systems
SIRIUS XM RADIO INC0 citations62
US11689408B2Jun 27, 2023
Dynamic trigger compensation in OFDM systems
SIRIUS XM RADIO INC0 citations62
US10999116B1May 4, 2021
Dynamic trigger compensation in OFDM systems
SIRIUS XM RADIO INC0 citations62
US12537513B2Jan 27, 2026
Universal automatic frequency control for multi-channel receivers
SIRIUS XM RADIO INC0 citations60
US11108460B2Aug 31, 2021
System and methods to reclaim unused throughput in an SDARS system
SIRIUS XM RADIO INC0 citations57
US7742750B2Jun 22, 2010
Systems and methods for antenna diversity combining for satellite radio signals
SIRIUS XM RADIO INC5 citations55
US9037939B2May 19, 2015
Method and apparatus for interleaving low density parity check (LDPC) codes over mobile satellite channels
SIRIUS XM RADIO INC0 citations52
US8983364B2Mar 17, 2015
Methods and apparatus for interoperable satellite radio receivers
SIRIUS XM RADIO INC0 citations52
US8910015B2Dec 9, 2014
Efficient implementation to perform iterative decoding with large iteration counts
SIRIUS XM RADIO INC0 citations52
US10063398B2Aug 28, 2018
Overlay modulation technique of COFDM signals based on amplitude offsets
SIRIUS XM RADIO INC0 citations51
US8923429B2Dec 30, 2014
Overlay modulation of COFDM using phase and amplitude offset carriers
SIRIUS XM RADIO INC0 citations50
US10110296B2Oct 23, 2018
Methods to reclaim unused throughput in an SDARS system
SIRIUS XM RADIO INC0 citations46
SCARPA CARL
11 patentsUS8260192B2Sep 4, 2012
Methods and apparatus for interoperable satellite radio receivers
SCARPA CARL6 citations83
US8184743B2May 22, 2012
Overlay modulation technique for COFDM signals based on amplitude offsets
SCARPA CARL8 citations82
US8650450B2Feb 11, 2014
Method and apparatus for interleaving low density parity check (LDPC) codes over mobile satellite channels
SCARPA CARL2 citations62
US8630578B2Jan 14, 2014
Methods and apparatus for interoperable satellite radio receivers
SCARPA CARL0 citations51
US8457037B2Jun 4, 2013
Method to minimize interference into legacy SDARS reception by varying overlay modulation as a function of satellite position
SCARPA CARL0 citations51
US8332718B2Dec 11, 2012
Efficient implementation to perform iterative decoding with large iteration counts
SCARPA CARL1 citations51
US8139689B2Mar 20, 2012
Hierarchical offset compensation to improve synchronization and performance
SCARPA CARL0 citations51
US9473335B2Oct 18, 2016
Overlay modulation technique for COFDM signals based on amplitude offsets
SCARPA CARL0 citations50
US8306145B2Nov 6, 2012
Overlay modulation of COFDM using phase and amplitude offset carriers
SCARPA CARL0 citations50
US8391132B2Mar 5, 2013
Slow speed mute resistance via selective COFDM bin loading
SCARPA CARL0 citations49
US9036720B2May 19, 2015
Systems and methods for transmitting and receiving additional data over legacy satellite digital audio radio signals
SCARPA CARL0 citations41
HITACHI AMERICA LTD
3 patentsUS6668027B1Dec 23, 2003
Self adjusting automatic gain control (AGC) power reference level circuit
HITACHI AMERICA LTD66 citations96
US7633441B2Dec 15, 2009
Steerable antenna and receiver interface for terrestrial broadcast
HITACHI AMERICA LTD1 citations63
US7425920B2Sep 16, 2008
Steerable antenna and receiver interface for terrestrial broadcast
HITACHI AMERICA LTD0 citations52