Bats aren't blind. They're not even a little nearsighted. What they do have is exceptionally acute hearing. They also possess sonar so sophisticated, it tops that used by the U.S. military [source:Science Daily]. This sonar, or echolocation ability, involves the bats producing ultrasonic ...
Translator for iron colada (Machine-translation by Google Translate, not legally binding)Translator for iron casting whose purpose is the detection of impurities in the process of obtaining steel, consisting of a sonar system composed of two translators, one that acts as an emitter and another as...
a maneuvering device for driving the machine connected thereto through the cigarette holder, in such a way that in a disturbance of the production of the machine, it is emitted a signal to reduce the production speed of the ma linked machine (Machine-translation by Google Translate, not ...
Acoustic wave system to measure depths with accuracy (Machine-translation by Google Translate, not legally binding)Acoustic sonar system means for initiating a signal wave f means for receiving said signal wave after reflection thereof from a surface for determination of the distance as indicative of...
Sonar Signal Processing.Stiglitz, Martin RCallahan, JulieNielsen, R. O., Sonar Signal Processing, Artech House, Inc., Norwood, MA, ISBN 0- 89006-453-9Nielsen R.O., Sonar Signal Processing (Artech House, 1991) p94.
A device (6) of the computer (4) compares information received with the one previously stored in the memory (5), corresponding to the pattern sonar signal. If both signals are equal, the salad doors (7) activate the electromechanical system (8). Of application in the unlocking of the ...