Quotables
"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 |
| 6907334 | Electric power steering apparatus An electric power steering apparatus for assisting the steering force of a steering member by an electric motor (18) driven by a driving circuit (13) connected to a power supply (P) by power connecting means (15a). The electric power stee... | 06/14/2005 |
| 5914581 | Information recording device In order to raise the drive efficiency of a spindle motor that drives a recording disk for information recording and hence to achieve power saving/lowering of noise level of the information recording device as a whole, in an information recording device w... | 06/22/1999 |
| 4771221 | Apparatus for ensuring synchronism in lifting jacks The apparatus positively induces synchronism in at least two lifting jacks. It has an upwardly and downwardly movable carriage, on the lifting jack, a column, a lifting device extending along the column, a first control device to control the lifting devic... | 09/13/1988 |
| 4661749 | Apparatus for ensuring synchronism in lifting jacks The apparatus positively induces synchronism in at least two lifting jacks. It has an upwardly and downwardly movable carriage on the lifting jack, a column, a lifting device extending along the column, a first control device to control the lifting device... | 04/28/1987 |
| 4520279 | Series transistor chopper A transistor chopper for controlling the power delivered to a DC load from a DC source includes two or more transistors connected in series between the DC source and the load and means for controlling the voltage across each transistor so that the transis... | 05/28/1985 |
