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 |
| 20090002238 | INTER-NETWORK OPERATION OF MULTIPLE LOCATION NETWORKS The present invention discloses a system and method for allowing a position receiver to determine position solutions from positioning signals from a plurality of autonomous positioning networks, each of which is synchronized to a different timebase. Each of the pluralit... | 01/01/2009 |
| 20080129591 | System and Method for Providing Assistance Data Within a Location Network A system and method for providing assistance to a position receiver in a location network consisting of a Global Navigation Satellite System (GNSS) and a synchronized network of positioning-unit devices is disclosed. A positioning-unit device observes the time and frequ... | 06/05/2008 |
| 20070100548 | System & method for determining attitude using spatial shift key (ssk) modulation signatures An attitude system that includes a radiating means which moves predeterminately through three-dimensional space, such that a cyclic Doppler is superimposed upon a transmitted signal; receiving this transmitted signal through a receiving means which moves predeterminatel... | 05/03/2007 |
| 20070058591 | System and method for the mitigation of cdma cross-corrlation artifacts and the improvement of signal-to-noise ratios in tdma location networks A correlation system for Time Division Multiple Access (TDMA) positioning systems is disclosed, whereby a position receiver acquires, tracks, and demodulates a plurality of Code Division Multiple Access (CDMA) modulated positioning signals are pulsed in a Time Division ... | 03/15/2007 |
| 20070040739 | Locating a roving position receiver in a location network The present invention discloses a positioning system and method for enabling a roving position receiver to determinist own position. The positioning system comprises a specialized transceiver (hereinafter termed a positioning-unit device) that receives one or more refer... | 02/22/2007 |
| 20070041427 | Frequency coherence within a location network The present invention discloses a system and method of generating frequency coherence between a received reference positioning signal transmitted by at least one reference transmitter and a unique positioning signal generated by a positioning-unit device. A positioning-... | 02/22/2007 |
| 20060012521 | System and method for the mitigation of multipath and the improvement of signal-to-noise ratios in time division multiple access(tdma) location networks A positioning system that includes a plurality of chronologically synchronized Time Division Multiple Access (TDMA) Positioning-Unit Devices and a position receiver incorporating a TDMA Adaptive Directional Antenna Array is disclosed. The plurality of chronologically sy... | 01/19/2006 |