Inventor
ERICSSON STAFFAN
US11 patents
⚠️ This page may combine multiple inventors who share the name “ERICSSON STAFFAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
REALNETWORKS INC
3 patentsUS6480541B1Nov 12, 2002
Method and apparatus for providing scalable pre-compressed digital video with reduced quantization based artifacts
REALNETWORKS INC257 citations98
US7075986B2Jul 11, 2006
Method and apparatus for providing scalable pre-compressed digital video with reduced quantization based artifacts
REALNETWORKS INC77 citations95
US6112219AAug 29, 2000
Method and apparatus for performing fast discrete cosine transforms and fast inverse discrete cosine transforms using look-up tables
REALNETWORKS INC32 citations92
VIVO SOFTWARE INC
3 patentsUS5587928ADec 24, 1996
Computer teleconferencing method and apparatus
VIVO SOFTWARE INC163 citations94
US5712809AJan 27, 1998
Method and apparatus for performing fast reduced coefficient discrete cosine transforms
VIVO SOFTWARE INC20 citations92
US5689592ANov 18, 1997
Parallel processing of digital signals in a single arithmetic/logic unit
VIVO SOFTWARE INC17 citations68
(unassigned)
3 patentsUS5917954AJun 29, 1999
Image signal coder operating at reduced spatial resolution
36 citations92
US5822003AOct 13, 1998
Method and apparatus for performing fast reduced coefficient discrete cosine transforms
42 citations92
US5854858ADec 29, 1998
Image signal coder operating at reduced spatial resolution
16 citations73