Matches 351 - 400 out of 426 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
3292013 Divider circuit providing quotient of amplitudes of pair of input signals  
3260966 Bias controlled amplitude modulator  
3260954 Fader amplifier including a differential gain control mechanism  
3259758 Sum and difference circuit  
3255305 System for modifying selected colors in additive color reproducing signal processingsystem  
3255417 Combining circuit  
3254231 Frequency changer employing a moving sonic-energy-reflecting boundary in a semiconductor medium  
3248663 High efficiency linear amplifier system  
3242797 Ratio-recording spectrophotometer  
3231819 Intermodulation distortion correction of angle modulated transmission system by use of nonlinear cancellation circuit  
3227955 Frequency converter  
3207993 Frequency synthesizer employing plural input sources and plural switching-means producing wide range of output frequencies  
3204118 Voltage control apparatus  
3181075 Signal reproducing system  
3177378 Transistor amplifier and frequency multiplier  
3168655 Pulse averaging device  
3165675 Apparatus for producing a magnetic field  
3147444 Sweep integrator with pulse inversion  
3145297 Means for averaging a variable function  
3117239 Device to combine separate signals utilizing synchronized switching means  
3105877 Circuit for canceling oscillating in public address systems  
3094629 Pulse rate to amplitude converter  
3090000 High impedance voltage comparator  
3084863 Analogue computer  
3081434 Multibranch circuits for translating frequency characteristics  
3070308 Handicap computer  
3058057 Ionization manometer circuit  
3056890 Keyed integrate and dump filter having crystal as integrator  
3049671 Variable transconductance electron tube  
3043516 Time summing device for division, multiplication, root taking and interpolation  
3021069 Statistical analyzing system  
3018323 Color television matrix systems  
3017508 Automatic gain control system  
3010069 Multiplication of two functions  
3005113 Electronic computer circuits  
3004708 Vacuum tube attenuator  
2999209 Slow attack-fast release averaging circuit  
2999206 Method and apparatus for measuring the ratio of electric potentials  
2996649 Motor control system  
2979717 Voltage comparison circuit  
2975303 Differentiator and mixer circuit  
2974289 Matrix amplifier for combining colordiffering signals  
2968717 Coupling network for split transducers  
2962217 System of producing curve from pulse data  
2959380 Instrument control system for aircraft  
2958043 Measurement and elimination of flutter associated with periodic pulses  
2948473 Static analogue divider  
2947807 Chrominance-signal selection system  
2946942 Thyratron control system  
2946048 Sweep generator for quadrantscanning radar  
Matches 351 - 400 out of 426 < 1 2 3 4 5 6 7 8 9 >