| 摘要 |
<p>An approximate impulse signal producing device of the pneumatic pressure type comprising a casing, a rotor supported in said casing and formed on its outer peripheral surface with a surface inclined with respect to the direction of rotation of the rotor, a pressure supply duct provided in said casing for ejecting an air jet under pressure to said inclined surface of the rotor, a drain provided in said casing in a position substantially symmetrical to the position of said pressure supply duct, and an output duct provided in said casing and disposed substantially midway between said pressure supply duct and said drain.</p> |
