LandOfFree - US Patents

Electricity: measuring and testing – Electrical speed measuring – Including speed-related frequency generator

Quadrature output sensor system

Pulse or digital communications – Transmitters – Quadrature amplitude modulation

Quadrature overlapping modulation system

Demodulators – Phase modulation demodulator

Quadrature phase demodulator capable of operating under a wide i

Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – By phase

Quadrature phase detector

Pulse or digital communications – Spread spectrum – Direct sequence

Quadrature phase modulation receiver for spread spectrum...

Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – By phase

Quadrature phase processing

Optics: measuring and testing – By light interference

Quadrature phase shift interferometer (QPSI) decoder and...

Optics: measuring and testing – By light interference – Having polarization

Quadrature phase shift interferometer with unwrapping of phase

Modulators – Phase shift keying modulator or quadrature amplitude modulator

Quadrature phase shift keyed/bi-phase shift keyed modulator

Modulators – Phase shift keying modulator or quadrature amplitude modulator

Quadrature phase shift keying modulating apparatus

Communications: electrical – Audible indication – Percussion-type sound producer

Quadrature phase signal processor

Optical waveguides – With optical coupler – Plural

Quadrature phase-shift keying modulator and phase shift...

Electricity: measuring and testing – Particle precession resonance – Spectrometer components

Quadrature probe for nuclear magnetic resonance

Optics: measuring and testing – Velocity or velocity/height measuring – With light detector

Quadrature processed LIDAR system

Pulse or digital communications – Systems using alternating or pulsating current – Plural channels for transmission of a single pulse train

Quadrature product subcarrier modulation system

Communications: directive radio wave systems and devices (e.g. – With particular circuit – Complex signal

Quadrature radar apparatus

Electricity: measuring and testing – Particle precession resonance – Spectrometer components

Quadrature radio frequency coil for magnetic resonance imaging

Miscellaneous active electrical nonlinear devices – circuits – and – Specific input to output function – Combining of plural signals

Quadrature radio frequency mixer with low noise and low...

Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency

Quadrature receiver