Inventor
RITCHIE JR JOHN A
US10 patents
⚠️ This page may combine multiple inventors who share the name “RITCHIE JR JOHN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCIENTIFIC ATLANTA
6 patentsUS5594726AJan 14, 1997
Frequency agile broadband communications system
SCIENTIFIC ATLANTA403 citations98
US5499241AMar 12, 1996
Broadband communications system
SCIENTIFIC ATLANTA267 citations97
US7218901B1May 15, 2007
Automatic frequency control of multiple channels
SCIENTIFIC ATLANTA93 citations96
US7336680B2Feb 26, 2008
Multi-carrier frequency-division multiplexing (FDM) architecture for high speed digital service
SCIENTIFIC ATLANTA45 citations95
US5790523AAug 4, 1998
Testing facility for a broadband communications system
SCIENTIFIC ATLANTA201 citations95
US6995806B1Feb 7, 2006
Amplifier with a universal automatic gain control circuit
SCIENTIFIC ATLANTA6 citations59