Celebrity Inventors
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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| Application No. | Application Title | Issue Date |
| 20120082072 | SYSTEMS AND METHODS FOR COMBINING SIGNALS FROM MULTIPLE ACTIVE WIRELESS RECEIVERS Systems and methods for combining signals from multiple active wireless receivers are discussed herein. An exemplary system comprises a first downconverter, a phase comparator, a phase adjuster, and a second downconverter. The first downconverter may be configured to do... | 04/05/2012 |
| 20110201289 | ROTATING HARMONIC REJECTION MIXER In one embodiment, the present invention includes a mixer circuit to receive and generate a mixed signal from a radio frequency (RF) signal and a master clock signal, a switch stage coupled to an output of the mixer circuit to rotatingly switch the mixed signal to multi... | 08/18/2011 |
| 20070213020 | SIGNAL CONDITIONING CIRCUIT BETWEEN AN OPTICAL DEVICE AND A PROCESSING UNIT The invention concerns a conditioning circuit (10) for an external signal (IN) representative of a physiological quantity, arranged between an optical sensor (11) and a processing unit (12), the received external signal (IN) being broken down into a... | 09/13/2007 |
| 20070149157 | Method and apparatus for transmitting signals using multiple antennas in a wireless communication system A method and apparatus for transmitting a signal through multiple antennas in a wireless communication system. Channels from a Mobile Station (MS) are estimated. Channel variation and an electromagnetic wave of the estimated channels are measured and a polarization phas... | 06/28/2007 |
| 20060084405 | Circuitry for a receiving system with improved directivity and signal to noise ratio A receive system, including special integrated circuits, for providing enhanced directivity in the form of a narrowed receive beam and a relatively small antenna with performance comparable to a much larger antenna at similar frequencies. Received signals are converted ... | 04/20/2006 |
| 20050245217 | Method and system for controlling carrier leakage in a direct conversion wireless device According to one embodiment of the invention, a system for controlling carrier leakage in a communications device is provided. The system includes a first mixer unit operable to receive a first signal, to convert the first signal into a second signal having a higher fre... | 11/03/2005 |
| 20050227659 | Methods and systems for tracking signals with diverse polarization properties Methods and systems for tracking signals with diverse polarization properties address both sensitivity and antenna tracking performance issues. In one embodiment, complex weightings for matching a polarization of an incident signal on a data channel are determined, and ... | 10/13/2005 |
| 20050014479 | Apparatus and method for frequency generation in mobile communication system An apparatus and method for generating an intermediate frequency (IF) to be transferred to a single sideband (SSB) generator which generates carriers using one local oscillator (LO) signal and at least two IF signals that are received. A group signal is generated which ... | 01/20/2005 |
