Inventor
MUTO HIROYASU
JP15 patents
⚠️ This page may combine multiple inventors who share the name “MUTO HIROYASU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
12 patentsUS5933424AAug 3, 1999
Transmitter capable of preventing interruption on occurrence of a fault
NEC CORP29 citations92
US5630218AMay 13, 1997
Radio receiving device for measuring an electric field level of a receiving channel and adjacent channels using common components
NEC CORP41 citations92
US5065411ANov 12, 1991
Diversity receiving system for use in digital radio communication with means for selecting branch by estimating propagation path property
NEC CORP36 citations92
US5157672AOct 20, 1992
Interference detection apparatus for use in digital mobile communications system
NEC CORP54 citations89
US5079512AJan 7, 1992
Quadrature demodulation of a data sequence following a particular signal sequence with a local reference carrier signal having a frequency different from a received carrier signal
NEC CORP21 citations81
US6044117AMar 28, 2000
Peak clipping circuit provided in a quadrature modulator and a method of clipping peak levels of in-phase and quadrature signals
NEC CORP7 citations73
US5363414ANov 8, 1994
Method for detecting a signal sequence
NEC CORP13 citations73
US5359628AOct 25, 1994
Channel impulse response estimator for use in an adaptive maximum likelihood sequence estimation receiver which is applicable to a communication system having a channel characteristic with rapid fluctuation
NEC CORP15 citations73
US5146223ASep 8, 1992
Analog-to-digital converter circuit
NEC CORP12 citations73
US5533068AJul 2, 1996
Frequency error detecting device capable of correctly detecting a frequency error between a carrier frequency and a standard frequency
NEC CORP4 citations62
US5438691AAug 1, 1995
Receiver using a plurality of amplifiers and analog-to-digital converters for demodulating and decoding a signal
NEC CORP5 citations62
US5113415AMay 12, 1992
Detection of a particular signal sequence with no adverse influence of multipath transmission
NEC CORP5 citations62