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A vibrating source will produce sound only when its frequency lies within the audible range (20 Hz to kHz).
some metal objects or equipment including above-ground or buried metal piping may respond to 60-cycle electrical field-induced vibration where piping passes below electrical power lines. Field example: in the 1970's we found that stopping our dirt-bike motorcycle below the Fishkill N.Y. power ...
Step-by-Step Solution:1. Identify the Requirement: The question asks for two musical instruments that produce sound by vibrating strings.2. Recall Knowledge of Musical Instruments: Think
Systems are described for the acoustic levitation of objects, which enable the use of a sealed rigid chamber to avoid contamination of the levitated object. The apparatus includes a housing forming a
Such objects of the present invention can be accomplished by providing a device (20,100) for vibrating a string instrument (1) provided with a bridge (13), comprising: a base member (22,102) provided with a load point member (24,156) that engages the bridge (13); and a vibration gene...
Other objects and features of the present invention will be obvious to those skilled in the art, upon contemplation of the disclosure herein in connection with the accompanying drawings. It is to be understood, however, that the drawing is designed for the purpose of illustration only and not ...
These structures are slender objects, that is, their cross-sectional dimensions are much smaller than their length. The DGSM formulation was designed to analyze assemblages of beam-like structures connected together by "welded" joints, where welded simply means the joint is in force balance and ...
are pointed out with particularity in the claims annexed to and forming a part of this disclosure. For a better understanding of the invention, its operating advantages and the specific objects attained by its uses, reference should be had to the accompanying drawings and descriptive matter in whi...
Other and incidental objects of the invention will be apparent to those skilled in the art from a reading of the following specification and an inspection of the accompanying drawing in which Figure 1 is an end view of the mechanism of an electric carillon constructed substantially in accordance ...