"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"
David Sarnoff, American radio pioneer ; 1921
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| Number | Title | Issue Date |
| 7234350 | Unbalance measuring apparatus A bearing 41 of a support portion 4 for rotatably supporting a shaft 11 of a rotating body 10 to be measured with respect to the magnitude of unbalance thereof is formed into a hollow U-shape and has formed therein an injection port 41... | 06/26/2007 |
| 6655208 | Method and apparatus for balancing a vehicular driveshaft A method and apparatus for quickly and efficiently balancing an article, such as a tube for use in a vehicular drive shaft assembly, for rotation about an axis is provided. Initially, a balance ring is press fit or otherwise mounted onto the article to be... | 12/02/2003 |
| 4475393 | Method and device for positioning workpieces to be balanced A workpiece to be balanced, which during a measuring run is driven or rotating in the coupling-free mode and is provided with a mark for contact-free pick-off to generate a reference signal, is to be positioned subsequently, that the unbalance is at a pre... | 10/09/1984 |
| 4467649 | Apparatus for balancing rotatable bodies An apparatus for balancing a body to correct for unbalance determined during a measurement run on a balancing machine. The body to be balanced is rotated at a measuring speed by compressed air and the unbalance is determined. A braking device then is appl... | 08/28/1984 |
| 4464934 | Procedure for transferring measured angle of unbalance position to a rotor and mechanism for implementing same A procedure for determining the magnitude and angular position of the unbalance of a rotor is described together with an apparatus for accomplishing same. A series of impulses are generated as the rotor rotates, and these impulses relate to the periphery ... | 08/14/1984 |
| 4062242 | Machine for balancing vehicle wheels In this machine, an optical coding device furnishes a plurality of code numbers one of which is stored upon each rotation of the wheel to be balanced when the latter rotates at a stable measuring speed. This stored number corresponds to the passage of the... | 12/13/1977 |
| 4046017 | Wheel balancing apparatus A wheel balancing apparatus for balancing an out-of-balance wheel that is mounted on a rotatable shaft includes force transducers positioned in a horizontal plane against resiliently supported bearings for the shaft to thereby detect horizontal components... | 09/06/1977 |