Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7440412 | Link quality prediction A method and apparatus of predicting link quality of a link is disclosed. The method includes receiving multi-carrier modulated signals over a period of time, estimating an SNR for each received sub-carrier, constructing a sequence of the SNRs, and estimating link P... | 10/21/2008 |
| 7437139 | Method and apparatus for calibrating filtering of a transceiver A method and apparatus of calibrating filtering of receive and transmit signals is disclosed. The method of calibrating filtering of a received signal includes injecting an LO signal. The injected LO signal is filtered by a tunable filter. The filtered signal is fre... | 10/14/2008 |
| 7430163 | Data stream transmission preprocessing Embodiments of transmission data stream pre-processing are disclosed. A method includes receiving the data stream for transmission, forming blocks of samples from the data stream, inverse Fourier transforming the blocks of samples forming multi-carrier signal symbol... | 09/30/2008 |
| 7417500 | Control of an adjustable gain amplifier A method of controlling an adjustable gain of an amplifier is disclosed. The method includes setting an output of a replica amplifier to be equivalent to a precision reference with a control loop, summing an adjustable offset voltage into the control loop, adjusting... | 08/26/2008 |
| 7324794 | Phase combining diversity Embodiments of methods of receiving transmitted signals are disclosed. The methods include a first antenna receiving a second signal, a second antenna receiving a second signal, adjusting a phase relationship between the first signal and the second signal, combining... | 01/29/2008 |
| 7248217 | Average EIRP control of multiple antenna transmission signals A method of controlling multiple antenna signal transmission is disclosed. The method includes adjusting signal parameters so that transmission signals from a plurality of antennas combine to form a directional beam. A time duration in which the transmission signals... | 07/24/2007 |