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Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
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| Number | Title | Issue Date |
| 5293129 | Ionic current sensing apparatus for engine spark plug with negative ignition voltage and positive DC voltage application A direct current power supply applies a positive voltage between the center electrode and the ground electrode of a spark plug in an internal combustion engine after discharge of the spark plug. Ionic current flowing between the electrodes due to the posi... | 03/08/1994 |
| 5184080 | Test apparatus for opto-electronic time based generator of an ignition system A test and maintenance method and apparatus for an ignition system of an internal combustion engine, such as an outboard marine engine, which includes an advanced timing schedule, a nonadvanced timing schedule, and a circuit for switching between the two ... | 02/02/1993 |
| 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 |
| 4950996 | Method of and apparatus for adjusting ignition timing by rotating the crankshaft with the coil and spark plug terminals disconnected from the ignition circuit Ignition timing of an internal combustion engine of an automotive vehicle is automatically adjusted by idling the engine with a distributor whose coil terminal and spark plug terminals are disconnected from ignition circuit and detecting an spurious ignit... | 08/21/1990 |
| 4333054 | Apparatus for use in testing an internal combustion engine ignition system An apparatus for testing an i.c.e. ignition system of the kind including an ignition coil and a semi-conductor switch means controlling current interruption in the coil primary, includes a voltage comparator connected to compare the voltage across the swi... | 06/01/1982 |
| 4331921 | Test apparatus for testing internal combustion engine electronic spark ignition systems A test apparatus for testing electronic ignition systems includes a circuit for detecting the interruption of ignition coil primary current and triggering a 100 μS monostable. A coil current detector detects when coil current flow is recommenced and the ... | 05/25/1982 |
| 4312043 | Apparatus and method for determining the integrity of a distributor for an engine An apparatus and method for detecting a defective distributor is shown. The apparatus includes an input system providing the time of each cylinder firing after an initial firing of cylinder #1. A processor then determines the deviation between the actual ... | 01/19/1982 |
| 4178541 | Apparatus for testing the operation of a device controlling the ignition of an internal combustion engine The apparatus for testing a device controlling the ignition of an engine comprises rotary driving means for driving the device and simulating the driving of the device in normal operation; an angular encoder mechanically coupled to the driving means for p... | 12/11/1979 |
| 4006403 | Engine performance analyzer An internal combustion engine performance analyzer is described for providing a numerical value representing certain operating characteristics such as spark plug ionization voltage, points closed voltage drop, alternator ripple output voltage and voltage ... | 02/01/1977 |
