Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 7242195 | Integral spark detector in fitting which supports igniter in gas turbine engine A system for detecting spark in an igniter for a gas turbine engine. An igniter generates a plasma, or spark, somewhat similar to an automotive spark plug. In the invention, an inductive pick-up is positioned adjacent the igniter, to detect current pulses in the ign... | 07/10/2007 |
| 7218117 | Handheld tester for starting/charging systems An improved hand held starting/charging system tester. According to one aspect of the present invention, the portable handheld tester includes a connector to which various test cables can be removably connected to the tester. Detection circuitry within the tester de... | 05/15/2007 |
| 7184899 | Energizable electrical test device for measuring current and resistance of an electrical circuit Provided is an electrical test device having multi-meter functionality and being adapted to provide current sourcing to an electrical system for selective measurement of a plurality of parameters. The electrical test device comprises a conductor probe element, a pow... | 02/27/2007 |
| 7082357 | Failure diagnosis method of vehicle communication network When a resistance value of a CAN bus main line is 60 Ω, the CAN bus main line is in a normal state. However, the resistance value thereof differs depending on an abnormality portion when an abnormality such as disconnection, short circuit, or the like has occurred ... | 07/25/2006 |
| 7071455 | Optical receiver The present invention provides an optical receiver in which a signal detection level is independent on whether a ammeter is connected to a current monitor terminal or not. The optical receiver comprises a photo diode, a first current mirror circuit connected to the ... | 07/04/2006 |
| 7015698 | Sensor for detection of spark in igniter in gas turbine engine An igniter for a gas turbine engine. An igniter generates a plasma, or spark, somewhat similar to an automotive spark plug. In the invention, an inductive pick-up is used to detect current which produces the spark, the thereby infer the presence of spark. Further, t... | 03/21/2006 |
| 6947817 | Non-intrusive diagnostic tool for sensing oxygen sensor operation A diagnostic testing system for a vehicle includes an oxygen sensor, an analyzer having a user interface, and a communications link between the analyzer and the vehicle to obtain data from the oxygen sensor. A diagnostic heuristic is used to analyze the data and con... | 09/20/2005 |
| 6941203 | Method and system for computer network implemented vehicle diagnostics A method of diagnosing a status of a vehicle. The vehicle has an on-board computer for generating a diagnostic trouble code signal related to a passed or problem status of the vehicle. A portable code reader is connected to the on-board computer. Diagnostic trouble ... | 09/06/2005 |
| 6937024 | Multiple system for inspecting the operation of an ignition system in vehicles Disclosed is a multiple test system for use in vehicles for inspecting the operation of an ignition system. A high voltage waveform is applied to an ignition plug and detected by a Hall sensor. The multiple test system compares the detected voltage waveform with a r... | 08/30/2005 |
| 6667622 | Vehicle engine pulse stream analyzer A low cost, easy to use, hand held pulse stream analyzer is designed to show, after an engine stops operating, which pulse stream, ignition or injection, quit first. Additionally, the analyzer is capable, using relative time domain analysis to comparative... | 12/23/2003 |
| 6664789 | Engine ignition timing device An ignition timing device for timing an engine having a timing port and a timing mark indicative of a position of a movable member. The ignition timing device includes a sensor adapted to be secured in the timing port to provide a timing mark signal indic... | 12/16/2003 |
| 6512375 | Method of detecting spark plug fouling and ignition system having means for carrying out the same A method of detecting spark plug fouling in an internal combustion engine is provided. The method comprises calculating an integration value of discharge current flowing between electrodes of a spark plug during a period of a spark discharge and judging i... | 01/28/2003 |
| 6462557 | System for the complete diagnosis of a driver A system for diagnosing a driver and detecting circuit anomalies therein includes: voltage comparator circuits for generating diagnostic logic signals, each of which indicates the existence of a corresponding type of anomaly; and a coding circuit to recei... | 10/08/2002 |
| 6429658 | Engine ignition timing device An ignition timing device for timing an engine having a timing port includes a sensor securable in the timing port to provide a timing mark signal. An ignition sensor is adapted to provide an ignition signal. A comparator receives the timing mark signal a... | 08/06/2002 |
| 6204770 | Master automotive sensor tester A sensor tester for testing multiple vehicle sensors is provided comprising: a circuit for testing a vehicle piezoelectric knock sensor; a circuit for testing a vehicle speed sensor; and a circuit for testing ignition coils. The circuit for testing piezoe... | 03/20/2001 |
| 5675257 | Diagnostic device for gas turbine ignition system A device for diagnosing the state of health of an ignition system is provided, where the system includes at least one spark producing channel comprising an exciter, output circuit and igniter plug. The device provides a diagnosis of the state of health fo... | 10/07/1997 |
| 5640093 | Automobile electronic circuit analyzer for detecting shorted ECM loads, including a pulsating power supply and load sensing cell An automotive electronic circuit analyzer that plugs into an automobile's electronic control module is disclosed. The disclosed analyzer includes positive and negative load sensing cells each having a series resistor coupled to an ECM load via the ECM con... | 06/17/1997 |
| 5635841 | Electronic ignition control module test system A method for testing an electronic ignition control module utilizes the steps of: placing the electronic ignition control module in electrical communication with an electronic ignition control module tester; the tester identifying the electronic ignition ... | 06/03/1997 |
| 5523691 | Diagnostic device for gas turbine ignition system A device for diagnosing the state of health of an ignition system is provided, where the system includes at least one spark producing channel comprising an exciter, output circuit and igniter plug. The device provides a diagnosis of the state of health fo... | 06/04/1996 |
| 5493496 | Cylinder number identification on a distributorless ignition system engine lacking CID An apparatus for identifying the power stroke of a particular cylinder in a multi-cylinder engine which utilizes a wasted spark electronic distributorless ignition system but lacks a camshaft driven cylinder identification sensor, wherein a single sensor ... | 02/20/1996 |
| 5394093 | Method and apparatus for testing vehicle engine sensors A multi-test, hand-held instrument and method for testing manifold absolute pressure (MAP) and mass air flow (MAF) sensors includes a housing enclosing a battery and an electrical circuit. The electrical circuit can test d.c. voltage output signals and fr... | 02/28/1995 |
| 5365438 | Audible and visual feedback for user stimulated self-test diagnostics A plurality of sensors, such as a door handle lift switch, a headlight switch, and an ignition switch, are normally provided in an automotive electrical system. A master microcontroller normally is coupled to each of these sensors for receiving a signal t... | 11/15/1994 |
| 5359290 | Method and apparatus using a pair of test circuits having LED indicators for testing engine sensors and ignition modules in vehicles A multi-test, hand-held instrument and method for testing engine sensors and ignition modules includes a housing enclosing a battery and an electrical circuit. The electrical circuit includes a first test circuit electrically interconnected with said batt... | 10/25/1994 |
| 5334938 | Method of monitoring an internal combustion engine ignition system by measuring spark duration or voltage and distinction between isolated errors and recurrent errors Monitoring apparatus is provided for the ignition system of an internal combustion engine such as is provided in a motor vehicle, which is capable of detecting a variety of malfunctions of ignition under a variety of engine operating ranges, so that the c... | 08/02/1994 |
| 5315252 | Automotive test system with input protection An input protection circuit protects a multiplexer used in an automotive breakout box for coupling to an electronic control module (ECM) of an automotive vehicle. The input protection circuit includes resistors connected between the input and the multiple... | 05/24/1994 |
| 5278508 | Diagnostic apparatus displaying engine operating characteristics in the parameters in which the characteristics are measured An auto diagnostic apparatus having jawed, needle-toothed clips for connection to variable output wires of engine sensors adjacent to the sensors, and a processor which converts the output voltages to output values in reader friendly units understandable ... | 01/11/1994 |
| 5177447 | Automated breakout box for automotive testing An automated test system makes voltage and resistance measurements. The breakout cable is connected between the vehicle electronic control module and the vehicle sensors and controls. Resistance measurements are made between a selected pair of connector p... | 01/05/1993 |
| 5160892 | Engine analyzer waveform display with a buffer region An engine analyzer for an internal combustion engine includes an analog-to-digital (A/D) converter which digitizes an analog input waveform representing, for example, a secondary or primary voltage waveform of the ignition coil of the internal combustion ... | 11/03/1992 |
| 5146168 | Variable sensitivity timing analyzer A timing analyzer for engine diagnostic testing includes a variable sensitivity knob for testing ignition timing for both a conventional four stroke engine and a DIS four stroke engine. The timing analyzer has a pickup which is adapted to be placed around... | 09/08/1992 |
| 5075627 | Circuit apparatus for measuring the primary voltage of an ignition coil The voltage developed by a primary winding of an ignition coil is supplied to a voltage divider for furnishing an analog signal of reduced amplitude for evaluation on an analog basis, which reduced amplitude analog signal is averaged by a capacitor connec... | 12/24/1991 |
| 5058443 | Process for testing operational components in heaters and testing device for this purpose A process for testing operational components in heaters, especially vehicle auxiliary heaters, in which the operational components are actuated and switched on sequentially, individually. Based on this, a corresponding evaluation is then performed. Furthe... | 10/22/1991 |
| 5001432 | Ignition test probe A self-contained handheld peak ignition breakdown voltage probe locates faulty sparkplugs in an internal combustion engine. The probe has a novel dual-polarity detection system suitable for all ignition systems, distributorless or distributor types. Each ... | 03/19/1991 |
| 4937527 | Lead assembly for a distributorless ignition interface A distributorless ignition interface unit for use with an engine analyzer for analyzing an internal combustion engine includes a processing circuit which responds to analog signals representing true and wasted firings for the cylinders of the engine under... | 06/26/1990 |
| 4901025 | Fault diagnosis system for electronic devices on automobiles A fault diagnosis system is provided for vehicles having a pluarlity of automotive electonic devices which output fault diagnoses according to one of a plurality of output signal schemes disposed thereon. A vehicle-side connector includes pins for carryin... | 02/13/1990 |
| 4884033 | Diagnostic test apparatus for electrical system of automotive vehicle A test module incorporating a unique diagnostic circuit for monitoring the magnitude of electrical parameters existing between an electrical driver such as the electronic control module (ECM) of an automotive vehicle and an electrical load in the vehicle'... | 11/28/1989 |
| 4847562 | Ignition coil primary winding signal processing system An ignition coil primary winding signal processing system that is suitable for use with cathode ray tube based instruments used in the troubleshooting, diagnosing, and servicing of spark ignition internal combustion engines. A primary trigger signal gnera... | 07/11/1989 |
| 4812768 | Digital engine analyzer A microprocessor controlled digital engine analyzer receives analog input signals from an engine being analyzed, engine parameter data entered via a keyboard, and function data, selecting one of several operating modes for the analyzer and which informati... | 03/14/1989 |
| 4812979 | Method and apparatus for analyzing the performance of the electronic ignition of an internal combustion engine A method and apparatus for the operational state analysis of internal combustion engines with electrical ignition systems wherein, following any deviation from normal engine operation, the cause of the deviation is determined and localized in the engine. ... | 03/14/1989 |
| 4783991 | Ignition and combustion engine performance monitor A semiautomated diagnostic apparatus primarily used with ignition systems on internal combustion engines is novel in that every firing is examined for peak breakdown voltage level in a synchronized sequential manner to create a display of abnormalities an... | 11/15/1988 |
| 4764727 | Circuit continuity and voltage tester A test module incorporating a unique diagnostic circuit for monitoring the magnitude of electrical parameters existing between an electrical driver such as the electronic control module (ECM) of an automotive vehicle and an electrical load in the vehicle'... | 08/16/1988 |