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Selected: Q

Quadrant switching method for phase shifter

Pulse or digital communications – Transmitters – Angle modulation
Reexamination Certificate

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Quadrant-based binding of pointer device buttons

Computer graphics processing and selective visual display system – Display peripheral interface input device
Patent

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Quadrant-based density detection for lead edge lightening

Image analysis – Image enhancement or restoration – Object boundary expansion or contraction
Patent

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Quadrant-based two-dimensional memory manager

Patent

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Quadrantal crib with canopy and sliding gate

Beds – Crib – Folding
Patent

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Quadrantal scaling of dot matrix data

Image analysis – Image transformation or preprocessing – Changing the image coordinates
Patent

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Quadraphase demodulation

Demodulators – Amplitude modulation demodulator – Having specific distortion – noise or other interference...
Patent

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Quadraphase modulator

Modulators – Phase shift keying modulator or quadrature amplitude modulator
Patent

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Quadraphase modulator

Modulators – Amplitude modulator – Nonlinear device controlled by modulating signal
Patent

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Quadraphonic compact disc system

Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Control of information signal processing channel
Reexamination Certificate

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Quadraphonic headphone with ambience programmer

Patent

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Quadraphonic passive four-channel decoder

Patent

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Quadraplex fluid pump

Pumps – Motor driven – Relatively movable pumping members driven by relatively...
Patent

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Quadrapod auger support

Boring or penetrating the earth – Bit or bit element – With helical-conveying portion
Patent

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Quadrapod safety support for fall protection systems

Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum
Patent

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Quadrate adjustable wall mirror

Design Patent

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Quadratic acid amide derivatives, their use as stabilizers, and

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent

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Quadratic amplitude control circuit for cosite interference...

Telecommunications – Receiver or analog modulated signal frequency converter – Noise or interference elimination
Reexamination Certificate

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Quadratic and cubic compensation of sigma-delta D/A and A/D...

Coded data generation or conversion – Converter calibration or testing
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Quadratic approximation for fast fourier transformation

Electrical computers: arithmetic processing and calculating – Electrical digital calculating computer – Particular function performed
Reexamination Certificate

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