218915 ⎘
Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas using semiconductor devices
Sub-classes:DISPLAY SCREEN AND WIRELESS COMMUNICATION DEVICE
#2SOLID-STATE, ELECTRONICALLY CONTROLLED BROADBAND THZ MODULATOR VIA ORGANIC ELECTROCHEMICAL DEVICE
#3ELECTROMAGNETIC WAVE MODULATION MODULE
#4Variable capacitor comprised of first and second comb structures having first and second sets of switchably connected fingers, a reflection phase shifter, and a semiconductor device
#5High-electron mobility transistor terahertz wave modulator loaded in waveguide
#6Terahertz-wave detector and terahertz unit
#7RF diffractive element with dynamically writable sub-wavelength pattern spatial definition
#8Tri-phase digital polar modulator
#9MODULATION CIRCUIT AND WIRELESS COMMUNICATION APPARATUS
#10REDUCING LOCALIZED HIGH ELECTRIC FIELDS IN PHOTOCONDUCTIVE WIDE BANDGAP SEMICONDUCTORS
#11High frequency modulation circuits based on photoconductive wide bandgap switches
#12Electromagnetic wave generation device and detection device
#13Millimeter wave transmitter using optical heterodyning