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Patent Number Title Of Patent Date Issued
4468666 Apparatus for determining a reference position of a moving member Aug. 28, 1984
4468665 Downhole digital power amplifier for a measurements-while-drilling telemetry system Aug. 28, 1984
4468664 Non-home run zoning system Aug. 28, 1984
4468663 Electromechanical reflective display device Aug. 28, 1984
4468662 Display apparatus for displaying characters or graphics on a cathode ray tube Aug. 28, 1984
4468661 Matrix excitation circuit for an oscilloscope display screen comprising a liquid crystal Aug. 28, 1984
4468660 Electric light display apparatus of light blocking type Aug. 28, 1984
4468659 Electroluminescent display panel assembly Aug. 28, 1984
4468658 Simplified intruder detection module Aug. 28, 1984
4468657 Simplified intruder detector Aug. 28, 1984
4468656 Emergency signalling unit and alarm system for rescuing endangered workers Aug. 28, 1984
4468655 Multiplex security system using remote microprocessors Aug. 28, 1984
4468654 Charge redistribution a-law PCM decoder Aug. 28, 1984
4468653 Charge redistribution mu-law PCM decoder Aug. 28, 1984
4468652 Digital-to-analog converter having ladder network and improved interconnection therefor Aug. 28, 1984
4468651 Method for eliminating the zero point error in an iterative analog-digital converter Aug. 28, 1984
4468650 Low tire pressure alarm system Aug. 28, 1984
4468649 Switchable permanent magnetic chuck Aug. 28, 1984
4468648 Switchable permanent magnetic chuck Aug. 28, 1984
4468647 Activating magnet Aug. 28, 1984
4468646 Superconducting magnet device Aug. 28, 1984
4468645 Multipole circuit breaker with removable trip unit Aug. 28, 1984
4468644 Tunable reject filter for radar warning receiver Aug. 28, 1984
4468643 Magnetic circuit adjustable by tapered screws Aug. 28, 1984
4468642 Band pass filter device Aug. 28, 1984
4468641 Adaptive filter update normalization Aug. 28, 1984
4468640 Adaptive filter update normalization Aug. 28, 1984
4468639 Monolithic combined charge transfer and surface acoustic wave device Aug. 28, 1984
4468638 Linear sweep frequency modulator for FM/CW radio altimeter Aug. 28, 1984
4468637 Synchronizable oscillator Aug. 28, 1984
4468636 Low temperature coefficient wide band-width voltage controlled oscillator Aug. 28, 1984
4468635 Transmission line biased coherent array of Josephson oscillators Aug. 28, 1984
4468634 Crystal oscillator producing two frequencies by means of amplitude modulation and demodulation Aug. 28, 1984
4468633 Adjustable microwave power combiner for a plurality of coaxially mounted impatt diodes Aug. 28, 1984
4468632 Phase locked loop frequency synthesizer including fractional digital frequency divider Aug. 28, 1984
4468631 Amplitude control apparatus Aug. 28, 1984
4468630 Wide-band amplifier for driving capacitive load Aug. 28, 1984
4468629 NPN Operational amplifier Aug. 28, 1984
4468628 Differential amplifier with high common-mode rejection Aug. 28, 1984
4468627 RIAA Equalizer circuit Aug. 28, 1984
4468626 Polyphase PDM amplifier Aug. 28, 1984
4468625 Circuit for detecting synchronization pulses in a composite signal Aug. 28, 1984
4468624 Programmable synchronous digital delay line Aug. 28, 1984
4468623 Method and apparatus using pad carrying electrodes for electrically investigating a borehole Aug. 28, 1984
4468622 Gradient coil system for nuclear magnetic resonance apparatus Aug. 28, 1984
4468621 Investigation of samples by N.M.R. techniques Aug. 28, 1984
4468620 System for in situ checking of turbine engine blades with eddy current probe guidance apparatus Aug. 28, 1984
4468619 Non-destructive detection of the surface properties of ferromagnetic materials Aug. 28, 1984
4468618 System for generating a speed-proportional voltage Aug. 28, 1984
4468617 Velocity sensor and method of producing a velocity signal Aug. 28, 1984










 
 
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