Inventor
STUMFALL DAVID M
US6 patents
⚠️ This page may combine multiple inventors who share the name “STUMFALL DAVID M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
4 patentsUS6011322AJan 4, 2000
Apparatus and method for providing power to circuitry implementing two different power sources
SONY CORP103 citations96
US6031299AFeb 29, 2000
Apparatus and method of providing EMI filtering
SONY CORP39 citations91
US5942811AAug 24, 1999
Apparatus and method for extending the supply of reserved power during a line power interruption
SONY CORP41 citations91
US6160591ADec 12, 2000
Apparatus and method of providing switching frequency synchronization
SONY CORP15 citations72