Recent U.S. patents related to Frequency conversion:
6,389,274: Subharmonic frequency converter for applications to millimetric radio waves
6,389,048: Detector with frequency converting coating
6,389,043: Efficient frequency-converted laser with single beam output
6,388,799: Optical device and imaging system
6,388,600: Asynchronous superconductor serial multiply-accumulator
6,388,502: Semiconductor integrated circuit
6,388,394: High-intensity discharge lamp lighting device and lighting system
6,388,189: Shield case
6,385,184: Base station apparatus and transmission power control method
6,385,181: Array antenna system of wireless base station
6,384,973: Convex brewster-cut crystal for nonlinear frequency conversion
6,384,773: Adaptive fragmentation and frequency translation of continuous spectrum waveform to make use of discontinuous unoccupied segments of communication bandwidth
6,384,701: Microwave and millimeter wave device mounted on a semiconductive substrate and comprised of different kinds of functional blocks
6,384,693: Frequency-switching oscillator and electronic device using the same
6,384,680: RF amplifier with plural combiners
6,384,677: Power amplifier having negative feedback circuit for transmitter
6,384,676: Signal processing semiconductor integrated circuit device
6,381,547: Tire defect detection system and method
6,381,449: Frequency converter
6,381,255: Solid state UV laser
6,381,251: Data transmission apparatus and receiving apparatus using orthogonal frequency division multiplex modulation system
6,381,236: Bi-directional digital transmission system and bi-directional digital transmission method
6,381,234: Communication method, base station and terminal apparatus
6,380,974: Digital video camera with electronic zoom
6,380,817: Oscillators with the multi-layer non-radiative dielectric waveguide structure
6,380,739: Multi-echo sequence based MR imaging for fluid in motion
6,377,879: System and methods for encoding, transmitting, and displaying engine operation data
6,377,874: Power distribution system including integrated power node control center
6,377,808: Method and apparatus for routing data in a communication system
6,377,617: Real-time signal analyzer
6,377,531: DVD-audio disk, and apparatus and method for recording data on and/or reproducing data from the same
6,377,481: Power supply including diode recovery current suppression circuit
6,377,315: System and method for providing a low power receiver design
6,376,664: Cyclic bis-benzimidazole ligands and metal complexes thereof
6,374,105: Method of allocating links between a set of areas and a set of satellites
6,373,902: Device and method for linearizing transmitter in digital communication system
6,373,868: Single-mode operation and frequency conversions for diode-pumped solid-state lasers
6,373,865: Pseudo-monolithic laser with an intracavity optical parametric oscillator
6,373,864: Sub-nanosecond passively q-switched microchip laser system
6,373,833: Cell expansion in a time division cellular system using frequency converting repeaters
6,373,523: CCD camera with two CCDs having mutually different color filter arrays
6,373,410: Apparatus for and method of converting sampling frequency of digital signals
6,373,398: Automobile tuner system
6,373,264: Impedance detection apparatus and method of physical variable
6,371,914: Single-shot phase cancellation ultrasound contrast imaging
6,370,499: Method of encoding digital data
6,370,365: Selective call radio having an integrated frequency conversion circuit
6,370,319: Digital recording apparatus and method
6,370,281: Apparatus and method for detecting enlarging ratio or reducing ratio of image data
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