Inventor
EGARA KOICHI
JP15 patents
Patents
15 patentsUS5708402AJan 13, 1998
Surface acoustic wave device improved in convolution efficiency, receiver using it, communication system using it, and method for producing surface acoustic wave device improved in convoluting efficiency
CANON KK55 citations96
US6020672AFeb 1, 2000
Surface acoustic wave converter with improved frequency characteristics, surface acoustic wave device using such converter, and communication system using such device
CANON KK22 citations92
US5815055ASep 29, 1998
Matched filter with improved synchronous characteristics, and reception device and communication system using the same
CANON KK43 citations92
US5539687AJul 23, 1996
Correlator and communication system using it
CANON KK25 citations92
US5477098ADec 19, 1995
Efficient surface acoustic wave device capable of excitation in plural frequency bands, and signal receiver and communication system utilizing the same
CANON KK35 citations92
US5011623AApr 30, 1991
Nonlinear optical material and nonlinear optical device
CANON KK47 citations92
US5760525AJun 2, 1998
Surface acoustic wave device and communication system using it
CANON KK19 citations84
US5962950AOct 5, 1999
Compact surface acoustic wave apparatus, spread spectrum signal receiver using the same apparatus for reception of spread spectrum signal, and spread spectrum signal communication system using the same spread spectrum signal receiver
CANON KK10 citations74
US5717274AFeb 10, 1998
Efficient surface acoustic wave device capable of excitation in plural frequency bands, and signal receiver and communication system utilizing the same
CANON KK13 citations74
US5367216ANov 22, 1994
Surface acoustic wave element and communication system using the same
CANON KK18 citations74
US5200663AApr 6, 1993
Surface acoustic wave device provided with output transducer split into a plurality of portions, and communication system using the same
CANON KK14 citations74
US5185548AFeb 9, 1993
Surface acoustic wave device with reflected wave at side edges on waveguide suppressed and communication system using the same
CANON KK9 citations74
US5164628ANov 17, 1992
Elastic surface wave convolva having wave width converting means and communication system using same
CANON KK14 citations73
US5003213AMar 26, 1991
Surface acoustic wave convolver with plural wave guide paths for generating convolution signals of mutually different phases
CANON KK11 citations68
US4882715ANov 21, 1989
Surface acoustic wave convolver with dielectric film of high non-linear effect
CANON KK5 citations63