Inventor
MARSHALL CHRISTOPHER B
GB24 patents
⚠️ This page may combine multiple inventors who share the name “MARSHALL CHRISTOPHER B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILIPS CORP
11 patentsUS4768187AAug 30, 1988
Signal transmission system and a transmitter and a receiver for use in the system
PHILIPS CORP158 citations99
US4723318AFeb 2, 1988
Active polyphase filters
PHILIPS CORP64 citations96
US4696055ASep 22, 1987
RF tuning circuit which provides image frequency rejection
PHILIPS CORP72 citations96
US4488119ADec 11, 1984
FM Demodulator
PHILIPS CORP92 citations96
US4523324AJun 11, 1985
Direct modulation FM data receiver
PHILIPS CORP41 citations92
US4864643ASep 5, 1989
Radio transmission system providing adjacent channel and image frequency rejection
PHILIPS CORP44 citations90
US4713563ADec 15, 1987
d.c. Block capacitor circuit for rejection of d.c. offset
PHILIPS CORP39 citations90
US5852634ADec 22, 1998
Data coding system
PHILIPS CORP10 citations74
US4994994AFeb 19, 1991
Apparatus performing modulo p addition, where operands are expressed as powers of a generator, using a reduced size zech look-up table
PHILIPS CORP10 citations69
US4672636AJun 9, 1987
AFC circuit for direct modulation FM data receivers
PHILIPS CORP17 citations69
US5008849AApr 16, 1991
Apparatus adding values represented as residues in modulo arithmetic
PHILIPS CORP8 citations65
KONINKL PHILIPS ELECTRONICS NV
6 patentsUS6618671B2Sep 9, 2003
Method of determining the position of a mobile unit
KONINKL PHILIPS ELECTRONICS NV91 citations98
US7089112B2Aug 8, 2006
Method of determining the position of a mobile unit
KONINKL PHILIPS ELECTRONICS NV5 citations74
US7103340B2Sep 5, 2006
Antenna diversity arrangement
KONINKL PHILIPS ELECTRONICS NV9 citations73
US7065329B2Jun 20, 2006
Half duplex radio transceiver with low IF receiver
KONINKL PHILIPS ELECTRONICS NV2 citations63
US6597900B1Jul 22, 2003
Circuit arrangement providing impedance translation filtering
KONINKL PHILIPS ELECTRONICS NV4 citations62
US6590365B2Jul 8, 2003
Method of powering-up battery powered apparatus
KONINKL PHILIPS ELECTRONICS NV2 citations62