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 |
| 4103332 | Mile post location display system The specification discloses a mile post location system which can be adjusted in accordance with a particular vehicle having a citizens band radio. The system includes circuitry for generating a distance signal in response to rotation of a wheel of the ve... | 07/25/1978 |
| 4084241 | System for processing movement information of vehicle A system for generating the data concerning the position of a moving vehicle comprising paired independently rotatable wheels provided at the opposite sides of the moving direction of the vehicle, the system comprising first and second pulse generators in... | 04/11/1978 |
| 4068208 | Marine streamer position determination system In marine seismic exploration, it is common for a vessel to tow a streamer, which includes a plurality of pressure sensitive detectors or hydrophones, for the purpose of acquiring seismic signals representative of the underlying structure of the earth. To... | 01/10/1978 |
| 4068307 | Mile post location display system This specification discloses a mile post location system particularly useful with a vehicle having a citizens band radio. The system includes a keyboard having switches which are representative of numbered digits, such that the vehicle operator may input ... | 01/10/1978 |
| 4060718 | Geodetic survey method The present method involves the detection of variations of the direction of gravity from the mathematical model of the earth, which may be caused by the presence of a discontinuity in the earth's surface, with relatively heavy materials in the earth's cru... | 11/29/1977 |
| 4051350 | Position measuring device The invention concerns a position measuring device used for measuring the position of a vessel equipped with three hydrophones arranged at the apexes of a triangle in relation to a transmitting beacon on the sea bed. Measuring of the differences in the tr... | 09/27/1977 |
| 4041285 | Bi-directional motion sensing and clocking system An electrical bi-directional motion sensing and clocking system is disclosed for identifying the relative sense and magnitude of movement experienced by a moving body. The corresponding relative motion of a target past a pair of sensor units produces a pa... | 08/09/1977 |
| 4028531 | System for displaying information aboard a moving object A plurality of vehicles which move along a route with predetermined transit points are equipped each with a display device on which the transit points as well as the termini of the route are visualized by lights. These lights are generally turned off exce... | 06/07/1977 |
| 3996590 | Method and apparatus for automatically detecting and tracking moving objects and similar applications This invention relates to an improvement in the art of navigating, detecting and tracking moving objects, position finding, mapping and such subjects employing a plurality of stations and variational measurements.... | 12/07/1976 |
| 3988713 | Aircraft ground proximity warning instrument An aircraft instrument for warning the pilot that the aircraft is in an unsafe condition in proximity to the ground. The instrument has inputs representing aircraft configuration, flight condition with respect to the ground, and glide slope. Detector circ... | 10/26/1976 |
| 3974792 | Semi-submersible, directionally controlled drilling unit A drilling unit is disclosed which incorporates a submersible streamlined hull supporting a streamlined upper hull above the surface of the water by support columns and trusses. The unit is directionally controlled by transverse thrusters and in-line prop... | 08/17/1976 |
| 3965840 | Methods and apparatus for controlling the propulsion of aquatic vessels incorporating such apparatus For the purpose of controlling the position of an oil rig or other vessel, it is provided with a plurality of steerable thrusters, one pair being located at the bow and one pair at the stern. The two thrusters of each pair are arranged to exert thrust at ... | 06/29/1976 |