Matches 101 - 139 out of 139 < 1 2 3
Match Document Document Title
3593165 COMB FILTER WITH MAXIMUM VALUE SIGNAL SELECTION CIRCUIT  
A maximum value signal selection circuit having a plurality of channels connected to receive signals from band-pass filters in a comb filter arrangement which rectifies and filters the signals and...
3585577 ULTRASONIC TRANSCEIVER  
Simplified ultrasonic transceiving apparatus preferably incorporating transducer means coupling ultrasonic vibrations into a medium, said means being bidirectional in operation to also convert...
3568141 ACOUSTIC METHOD AND APPARATUS  
Method and apparatus for scanning a plurality of channels to determine the azimuth of propagation of, and/or the Doppler shift in, acoustic waves which impinge on a receiver, where each channel...
3550070 FLUID FLOWMETER  
3525976 ULTRASONIC AMPLITUDE-DOPPLER DETECTOR  
3519985 RANDOM MODULATION OBSTACLE LOCATOR SYSTEM  
3498290 PULSED DOPPLER VOLUMETRIC BLOOD FLOWMETER  
3487409 REFLECTED-BEAM SYSTEM  
3474401 APPARATUS FOR IMPROVING THE RECOGNITION OF ECHOES IN SONAR SYSTEMS  
3443433 FLOWMETER  
3441905 VEHICLE DETECTION AND SPEED MEASURING APPARATUS  
3435677 SYSTEM FOR MEASURING DIRECTION AND VELOCITY OF CURRENTS IN A LIQUID MEDIUM  
3430625 ULTRASONIC FLOWMETER FOR MEASURING BLOOD FLOW  
3427617 SIGNAL TRANSMITTING AND RECEIVING SYSTEM  
3422396 TARGET INFORMATION DETERMINING SYSTEM  
3409838 Demodulator for frequency modulated waves  
3394583 Doppler shift systems and components therefor  
3384818 System for detecting and measuring doppler frequency variation in a single pulse of alternating current  
3341848 Method for the counting of vehicles the speed of which either exceeds or falls short of a predetermined value  
3302162 Doppler sonar apparatus  
3302161 Multiple-frequency ranging system  
3271765 Data compression processing system  
3267474 Doppler shift detector  
3231852 Combination radio receiver and underwater doppler acoustical device  
3202960 Ultrasonic doppler speed measurement device  
3199074 Automobile traffic flow analyzer  
3182283 Method of measuring the velocity of an underwater moving sound source  
3167738 Sequential matched filter  
3105192 Frequency trancking and deviation indicating system including signal storage means  
3034049 Muzzle velocity chronograph  
3005194 Anti-collision system  
2974304 Close-following vehicle warning system  
2914730 Apparatus for determining velocity of human body members  
2859435 Speed measuring system  
2791756 Target doppler indicator  
3555498 Title is not available  
3706096 Title is not available  
3554030 Title is not available  
3564488 Title is not available  
Matches 101 - 139 out of 139 < 1 2 3