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| Number | Title | Issue Date |
| 5309888 | Ignition system The present invention encompasses an ignition system with an ignition dwell signal (207) having charge and discharge states for driving at least one energy storage device (105) and at least one spark plug (103). This system applies an essentially periodic... | 05/10/1994 |
| 5291872 | Ignition apparatus for an internal combustion engine An ignition apparatus for providing energy to a spark plug (601) is described including electromagnetic means (121, 103, 133, 119) having a north pole (137) and an opposing south pole (139). A piezoelectric crystal (129) is located between the north pole ... | 03/08/1994 |
| 5287295 | Method and apparatus for calibrating an electronic compass to account for alignment errors in the compass windings An electronic compass (10) having at least two sense windings (11, 12) is mounted in a vehicle. The outputs (x(h), y(h)) of the windings are measured for a number of compass directions (headings). From this data an error difference angle ($c;), from a ... | 02/15/1994 |
| 5287053 | Power supply with a battery disconnect A power supply with a battery disconnect has battery power terminals (105, 109), and a charging terminal (121). The battery power terminals are for receiving battery power from a to be provided battery (111, 119). External power terminals (103, 107) are a... | 02/15/1994 |
| 5285676 | Air-fuel ratio measurement apparatus and method therefor An apparatus, and corresponding method, for directly measuring air-fuel ratio of a combustion process, in an internal combustion engine is described. The apparatus includes a first electromagnetic wave sensor (105) that provides a first signal (107), repr... | 02/15/1994 |
| 5276418 | Flexible substrate electronic assembly A unitary flexible substrate has three planar areas with components and conductors carried thereon. The substrate is folded to provide a subassembly with a compact packaging factor such that each planar area is in a different parallel plane. Two conductor... | 01/04/1994 |
| 5270937 | Vehicle map position determining apparatus A vehicle navigation/position system (10) investigates road segments having start and end coordinates stored in a road map data memory (13). The system determines what road segments have at least a portion inside a rectangle of interest (ROI-100) about an... | 12/14/1993 |
| 5258650 | Semiconductor device having encapsulation comprising of a thixotropic fluorosiloxane material In a semiconductor device encapsulation assembly (50; 60), a semiconductor device (21), preferably a pressure transducer, is mounted on a base (11) in a cavity (20) formed by the base and surrounding walls (15). Electrical connections, preferably wire bon... | 11/02/1993 |
| 5247440 | Location influenced vehicle control system The present invention provides for automatic control of the performance of a transportation vehicle based on the vehicle's geographic location. This is accomplished by determining the geographic location of the vehicle by employing a navigation system (10... | 09/21/1993 |
| 5243528 | Land vehicle navigation apparatus with visual display Land vehicle navigation apparatus (10) with a visual display (16, 20) is provided. The apparatus provides a visual display of a calculated navigation route (22) with a visual indication (23) of the direction of desired travel along the navigation route. A... | 09/07/1993 |
| 5241261 | Thermally dependent self-modifying voltage source A thermally dependent self-modifying voltage source (115) is constructed with a first reference circuit (301) having a control input (311), a primary output (117) dependent on the control input, and a thermally dependent secondary output (303). The therma... | 08/31/1993 |
| 5220507 | Land vehicle multiple navigation route apparatus Land vehicle multiple navigation route apparatus (10) includes a computer (11) for calculating at least first and second navigation routes (1, 2, or 3) between start (72) and destination (73) locations. Both routes are preferably visible to the vehicle op... | 06/15/1993 |
| 5220319 | Adaptable key holder for a remote control transmitter The present invention provides an adaptable key holder for a remote control transmitter. This includes a remote control transmitter (101) with buttons (102) for activating functions typically located on one surface, and a detachable ring (200) encompassin... | 06/15/1993 |
| 5212627 | Electronic module housing and assembly with integral heatsink An electronic module housing (30) with an integral heatsink (32) is provided as part of an electronic module assembly (31). The heatsink (32) has a general U-shape formed by a pair of opposing sidewalls (33, 34) rising upward from a central intermediate p... | 05/18/1993 |
| 5184303 | Vehicle route planning system Vehicle route planning system (10) uses a route planning apparatus (13, 19) to calculate a desired route between start and destination locations. Apparatus (16, 17) provides route information based on the calculated route. The route is calculated in accor... | 02/02/1993 |
