Matches 1 - 16 out of 16
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5363341 Level measuring device which can be assembled from components  
The invention discloses a level measuring device which can be made up from components. It comprises a sonic or ultrasonic transducer which is arranged in a first housing and forms a self-contained...
4945520 Hydro-acoustic device for warning sea mammals  
A passive hydro-acoustic device for warning sea mammals away from shallow areas consisting of an anchor linearly arranged in front of a shallow area and a plurality of cables attached to the anchor...
4943119 Height control device and method for a fixture for machining an object essentially defined by a single plane  
A height control device for a fixture which comprises at least a pair of gauging devices each having an ultrasonic transceiver for gauging a certain distance. A signal generator is connected to...
4939703 Transducer baffle and sensor using same  
A baffle for enlarging the field of view of and enhancing collection of radiation for a sensor apparatus having a transducer for receiving radiation within its field of view. The baffle includes a...
4796726 Ultrasonic rangefinder  
An ultrasonic rangefinder capable of detecting a distance between a vehicle and an object with high accuracy is shown. The measure of microphones for transmitting and receiving ultrasonic waves is...
4635240 Sonar navigation system  
A forward look sonar system in which speed and direction of a sonar platform is obtained. Each acoustic transmission towards the target area over which the platform is traveling is comprised of a...
3914754 Machine element position detection system  
A positional detection system employs a transmitter of a stream of coded fluid pressure wave pulses connected by a waveguide to a plurality of outlets arranged adjacent various operative machine...
3729702 ACOUSTIC SENSING DEVICE  
A sensing device having a high frequency sonic wave source that generates an acoustic beam is supplied by a fluid source at above ambient pressure serially connected through a normally open fluidic...
3500952 ACOUSTICAL SENSING DEVICE  
3500951 ACOUSTICAL INTERFEROMETRIC SENSING DEVICE  
3396366 Ultrasonic wave directive assembly  
3382480 Method of detecting traffic  
3212437 Explosive sound source for underwater echo ranging techniques  
3154013 Sonic pulse generator  
3112699 Sonic pulse generator  
3102474 Sonic pulse generating device  
Matches 1 - 16 out of 16