Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7495607 | Method and apparatus for adaptive processing of signals received from satellite navigation systems Disclosed is an adaptive receiver configured to receive signals from satellite navigation systems to determine receiver coordinates and configured to use a co-op tracking system to evaluate full phases of carrier phases for N navigation satellites in view. The adapt... | 02/24/2009 |
| 7471531 | Programmable feedback voltage pulse sampling for switched power supplies Disclosed is a method and apparatus that includes a power supply having a primary coil and a secondary coil. The secondary coil generates an output voltage and a feedback voltage related to the output voltage. The feedback voltage is sampled at a time instant that i... | 12/30/2008 |
| 7456943 | Laser positioning measurement system and method The position of an apparatus moving along a surface is determined by calculating a plurality of vertical angles between the apparatus and a known location, where the vertical angles vary only within a range having a largest expected maximum angle. A plurality of hor... | 11/25/2008 |
| 7439908 | Method and apparatus for determining smoothed code coordinates of a mobile rover Disclosed is a method for determining coordinates of a mobile rover. The method includes determining a vector of one-shot code coordinates of the mobile rover. The method also includes determining a vector of phase increments by determining full phase differences fo... | 10/21/2008 |
| D570715 | Sonic sensor | 06/10/2008 |
| 7382313 | Method for absolute calibration of global navigation satellite system antennas Disclosed is an antenna calibration technique for performing absolute antenna calibration. An antenna to be calibrated is positioned in a first position, called a home position, and records data samples from received satellite signals. The antenna is then moved to a... | 06/03/2008 |
