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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| Number | Title | Issue Date |
| 6595193 | Method and arrangement at a multiple cylinder four-stroke cycle internal combustion engine In a multiple cylinder four-stroke engine with fuel injection, an interference oscillation is generated briefly on the flywheel on starting by varied fuel supply to different cylinders. After oscillation analysis of the resultant oscillation of the flywhe... | 07/22/2003 |
| 5199394 | Circuit arrangement for electronic control of an internal combustion engine The invention provides a circuit for electronic control of an internal combustion engines including injection valves that can be activated electrically as a function of regulated variables such as crankshaft position, engine speed, exhaust-gas composition... | 04/06/1993 |
| 5133329 | Ignition system for combustion-powered tool For a combustion-powered tool, an ignition system is powered by a battery and is arranged so that a sudden discharge of a capacitor, as charged via an oscillator, produces a spark at a spark gap of a spark plug, so that the oscillator is enabled if a trig... | 07/28/1992 |
| 4718395 | Ignition control system for internal combustion engine An ignition control system for an internal combustion engine has an oscillator for generating a clock signal, ignition timing signal generator means for generating an ignition timing signal synchronized with the ignition timing of the engine, a defect det... | 01/12/1988 |
| 4690122 | Ignition control system for internal combustion engines In an ignition control system for the internal combustion engine, a reference angle sensor detects the rotational speed of the internal combustion engine, and detects a point near the top dead center, and generates a reference angle signal. An angle senso... | 09/01/1987 |
| 4561411 | Ignition system for internal combustion engine A breakerless ignition system includes a resonant circuit whose oscillation is controlled by the relative position between a detector coil 2a embodied therein and a magnetically permeable rotor 1 driven by the engine, and a threshold detector 3 responsive... | 12/31/1985 |
| 4499888 | Ignition system for internal combustion engine An ignition system includes a signal generator unit 1 comprising a sensor core/coil, and an electronic circuit unit 2 including various components mounted on a substrate board. Both units are accommodated within a unitary casing comprising a frame 5 and a... | 02/19/1985 |
| 4494519 | Ignition system for internal combustion engine A breakerless ignition system includes a resonant circuit whose oscillation is controlled by the relative position between a detector coil 2a embodied therein and a magnetically permeable rotor 1 driven by the engine, and a threshold detector 3 responsive... | 01/22/1985 |
| 4334509 | Electronic ignition with step advance A circuit for selecting between two or more detecting elements, such as magnetic pickups or resonant sensors (10, 12, 14) or (132, 134) spaced around a rotating member (15a, 157) to generate timing signals for an ignition system for an engine (15, 156) is... | 06/15/1982 |
| 4164706 | Rotational position detector utilizing an FET blocking oscillator A rotation detecting apparatus detects the angular position of an engine by rotating from the engine an electrically conductive rotating member having a plurality of equally spaced projections and notches formed on the periphery thereof and arranging a de... | 08/14/1979 |
| 4126112 | Breakerless electronic ignition system Ignition pulses are supplied to an internal combustion engine from a breakerless electronic ignition system wherein the ignition pulses are produced in response to the movement of teeth on an electrically conductive trigger wheel past an inductive sensor.... | 11/21/1978 |
| 4109630 | Breakerless electronic ignition system An electronic ignition system for an internal combustion engine having a timing signal source comprising an oscillator for providing a carrier signal; an electronic network connected to the oscillator and including a sensor means for providing a reactance... | 08/29/1978 |
