Inventor
MIYASHITA ATSUSHI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “MIYASHITA ATSUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI ELECTRONICS
13 patentsUS6512798B1Jan 28, 2003
Digital communication system of orthogonal modulation type
HITACHI ELECTRONICS78 citations98
US6304611B1Oct 16, 2001
OFDM modulator and OFDM modulation method for digital modulated wave having guard interval
HITACHI ELECTRONICS104 citations96
US5828784AOct 27, 1998
Data coding method and apparatus using a plurality of blocks of different length
HITACHI ELECTRONICS85 citations94
US6381251B1Apr 30, 2002
Data transmission apparatus and receiving apparatus using orthogonal frequency division multiplex modulation system
HITACHI ELECTRONICS51 citations92
US6246735B1Jun 12, 2001
Synchronization detection method for data transmission apparatus and data transmission apparatus using the same
HITACHI ELECTRONICS44 citations92
US6201570B1Mar 13, 2001
Digital television camera apparatus provided with camera head unit and camera control unit, independently
HITACHI ELECTRONICS27 citations92
US6611493B1Aug 26, 2003
Communication, transmission and receiving method and apparatus using orthogonal frequency division multiplexing modulation system
HITACHI ELECTRONICS27 citations91
US6381236B1Apr 30, 2002
Bi-directional digital transmission system and bi-directional digital transmission method
HITACHI ELECTRONICS15 citations84
US6046629AApr 4, 2000
Method of an apparatus for demodulating amplitude-modulated signals in an amplitude phase shift keying (APSK) system
HITACHI ELECTRONICS20 citations83
US5557540ASep 17, 1996
Coding and transmitting system
HITACHI ELECTRONICS9 citations74
US6473466B1Oct 29, 2002
Data transmitting method and data transmitting apparatus accompanied with a plurality of transmitting of receiving antennas
HITACHI ELECTRONICS8 citations72
US5815600ASep 29, 1998
Image data signal compression/transmission method and image data signal compression/transmission system
HITACHI ELECTRONICS12 citations71
US6813326B1Nov 2, 2004
Data transmission system, data transmission communication station, and data transmission method
HITACHI ELECTRONICS8 citations69
HITACHI INT ELECTRIC INC
9 patentsUS6912247B2Jun 28, 2005
Digital signal transmission system and method of displaying transmission condition in digital signal transmission system
HITACHI INT ELECTRIC INC19 citations90
US6836518B1Dec 28, 2004
Synchronization control method for receiver apparatus of data transmission system utilizing orthogonal frequency division multiplex, and data transmission system
HITACHI INT ELECTRIC INC20 citations90
US10356419B2Jul 16, 2019
Encoding device and encoding method
HITACHI INT ELECTRIC INC3 citations71
US10587823B2Mar 10, 2020
Encoding device comprising video switching device, encoding method including video switching detection method
HITACHI INT ELECTRIC INC1 citations61
US7301969B2Nov 27, 2007
OFDM transmitting apparatus, receiving apparatus and transmitting system and signal structure of transmission signal for use in the same
HITACHI INT ELECTRIC INC3 citations61
US7170929B2Jan 30, 2007
Digital signal transmission system and method of displaying transmission condition in digital signal transmission system
HITACHI INT ELECTRIC INC2 citations60
US7330515B2Feb 12, 2008
Method and apparatus capable of restricting resending operation
HITACHI INT ELECTRIC INC0 citations52
US7492792B2Feb 17, 2009
Apparatus for receiving digital data
HITACHI INT ELECTRIC INC1 citations51
US7983326B2Jul 19, 2011
Digital transmission system and its transmission status recognition method
HITACHI INT ELECTRIC INC0 citations42