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| Number | Title | Issue Date |
| 6144112 | Fuel pump immobilization The present invention relates to an apparatus and a method for a motor vehicle security system relating to immobilizing and enabling of a fuel pump for a motor vehicle engine. The system comprises data input means for receiving driver verification data, a... | 11/07/2000 |
| 6091317 | Temperature sensor assembly A temperature sensor assembly (10) including a pair of rigid lead frames (12, 14) having retention pockets (24, 26) thereon for retaining a sensor assembly (32). The sensor assembly (32) includes a surface mount device package (34) containing a thermistor... | 07/18/2000 |
| 6085260 | Method and circuit for multiplexing an input port and an output port of a microprocessor into a single external interface A method and circuit interface for multiplexing an input port and an output port of a microprocessor into a single external interface, wherein the input port and the output port never operate at the same time, is normally active upon a battery cycle, incl... | 07/04/2000 |
| 6011439 | Low power RF amplifier A radio frequency amplifier includes a first amplifier stage having a first transistor, and a second amplifier stage having a second transistor. The first transistor has a base input for receiving an input voltage, a collector output, and an emitter coupl... | 01/04/2000 |
| 6008723 | Vehicle message recording system A voice message system for motor vehicles includes an audio reproduction and recording system, and a control that interfaces the audio system with the vehicle function controls. Preferably, an ignition switch sensor signal received at the control initiate... | 12/28/1999 |
| 5936585 | Vehicle window glass antenna arrangement An FM signal antenna for window glass mounting in a motor vehicle includes an elongated conductor formed as a ladder to form a series of openings along its length. Preferably, the ladder is constructed of a pair of parallel conductors and cross member con... | 08/10/1999 |
| 5920013 | Silicon micromachine with sacrificial pedestal A protective coating is utilized to protect the silicon during a wet chemical etch step in the process of making a micromachine, thereby preventing the formation of etched holes or pits in the micromachine. In another embodiment, silicon sacrificial pedes... | 07/06/1999 |
| 5856932 | Method and system for performing quantitative sneak circuit analysis A method and system for determining bi-directional sneak current paths of an electrical/electronic circuit. The electrical/electronic circuit is converted into a corresponding schematic having a plurality of components and a plurality of line segments. A ... | 01/05/1999 |
| 5774823 | Method of generation correction tables for misfire detection using neural networks A method of automating the calibration of lookup tables containing correction values to be used in an on-board vehicle system is disclosed. The method includes training a neural network to model engine behavior by outputting cylinder specific crankshaft a... | 06/30/1998 |
| 5774559 | Method and apparatus for determining perceived roughness of powertrain sounds A powertrain roughness model is based on a structure comprising an auditory filterbank for spectral decomposition of the powertrain sound signals into a set of critical bandwidth channels, a model for predicting the specific roughness in each critical ban... | 06/30/1998 |
| 5732337 | Reconfigurable mixer-filter-decimator A digital mixer-filter-decimator (MFD) is disclosed which is reconfigurable so that it can be used in both modes of operation of a dual mode receiver such as an AM/FM receiver. In either mode of operation the MPD performs filtering and decimation operatio... | 03/24/1998 |
| 5731551 | Mounting assembly and method for mounting a loudspeaker in a vehicle A mounting assembly (10) and method for mounting a loudspeaker (40) in a vehicle (16) are disclosed. A vehicle body member (20) is provided to which a loudspeaker may be mounted. A support member (22), preferably made from a sound dampening material, is i... | 03/24/1998 |
| 5715528 | Converting capacitance to inductance in a floating resonant An improved tuner for a varactor-tuned local oscillator in a radio receiver includes a winding of a pair of magnetically coupled inductors, preferably constructed in the form of a transformer. Preferably, the first and second windings are magnetically cou... | 02/03/1998 |
| 5696410 | Override circuit for enabling internal combustion engine An enabling device for a motor vehicle having an electronic ignition system including an engine control circuit for controlling the electronic ignition system of the motor vehicle, a hardware limited operating system for controlling the electronic ignitio... | 12/09/1997 |
| 5671286 | Strategy for controlling FM stereo separation and frequency response in noisy reception environments A control for an FM receiver reduces multipath distortion by reducing stereo separation and high frequency response in the demultiplexed signal. The receiver includes an FM detector including a noise detector as well as the signal strength meter for intro... | 09/23/1997 |
| 5646637 | Slot antenna with reduced ground plane A slot antenna has a substantially reduced ground plane by defining the slot within a loop of a narrow conductive strip, for example a deposited metal, around a slot opening less than one half the wavelength of the intended signal frequency to be received... | 07/08/1997 |
| 5640167 | Vehicle window glass antenna arrangement An FM signal antenna for window glass mounting in a motor vehicle includes an elongated conductor formed as a ladder to form a series of openings along its length. Preferably, the ladder is constructed of a pair of parallel conductors and crossmember cond... | 06/17/1997 |
| 5628112 | Circuit board assembly system and method A peer-to-peer control system for a circuit board production line includes multiple processing stations, each of which has an adjustable width conveyor. Control means are provided at each station for controlling the width of the conveyor, receiving board ... | 05/13/1997 |
| 5617480 | DSP-based vehicle equalization design system A DSP-based vehicle equalization design system has been described, which allows the audio engineer to quickly and efficiently design an equalizer from an easy-to-use Graphic User Interface (GUI) computer interface. Vehicle equalizations, with high precisi... | 04/01/1997 |
| 5617011 | Method and system for limiting generator field voltage in the event of regulator failure in an automotive vehicle A method and system are disclosed for limiting the voltage provided by a generator in the event of a regulator or field coil short circuit failure in an automotive vehicle. The voltage provided by the generator is sensed and a corresponding voltage level ... | 04/01/1997 |
| 5613230 | AM receiver search tuning with adaptive control An AM radio receiver includes search tuning such as seek or scan tuning features whose stop thresholds for locking onto a received frequency are adapted to environmental conditions. In the preferred embodiment, wideband signal strength, preferably derived... | 03/18/1997 |
| 5610618 | Motor vehicle antenna systems A motor vehicle antenna system is disclosed for receiving electromagnetically radiated signals in the FM radio broadcast frequency range. The antenna system includes a magnetic current receiving, conformal, substantially rectangular truncated slot antenna... | 03/11/1997 |
| 5603107 | Switching system for diversity antenna FM receiver An FM radiowave receiver includes a diversity antenna system responsive to signal strength and noise levels. The signal strength and noise detectors generate representative signals that are compared with a threshold value for determining the input to a co... | 02/11/1997 |
| 5594199 | EMI baffle for electronic control An electronic control module includes an EMI baffle in the form of openings formed in laterally spaced portions of the cold plate supporting the electronic circuits. Preferably, upper and lower plates of the cold plate define a limited access baffle chamb... | 01/14/1997 |
| 5570114 | Control panel illumination A control panel includes controllers in the form of push buttons supported by an elastomeric switch pad over an electroluminescent lamp panel. The electroluminescent panel includes circuits formed by chargeable areas which register with optical indicia ca... | 10/29/1996 |
| 5553013 | Delay generation filter An Nth order infinite impulse response digital filter for long-delay filtering of signals representing a digital input sequence. The Nth order infinite impulse response digital filter is synthesized by cascading in series N first ord... | 09/03/1996 |
| 5542489 | Battery thermal chamber An arrangement for heating and cooling a vehicle battery includes a thermal chamber shaped to hold the vehicle battery. The thermal chamber includes a floor and three walls and is positioned against a fender of the vehicle so that the fender forms a fourt... | 08/06/1996 |
| 5541523 | System for detecting operability of an airbag squib resistor A circuit for determining the operability an airbag squib resistor. The circuit includes a current source, the squib resistor to be measured, a first resistor whose resistance is equal to the minimum acceptable resistance of the squib resistor, a second r... | 07/30/1996 |
| 5515832 | Method of controlling internal combustion engine exhaust hydrocarbons A method for reducing hydrocarbon emissions exhausted from an internal combustion engine includes timing the opening and closing of valved intake and exhaust ports to overlap for a predetermined time period, and introducing at least one of a pressure decr... | 05/14/1996 |
| 5508689 | Control system and method utilizing generic modules A control system and method for motor vehicles uses generic control modules which communicate over a vehicle trunkline to accommodate applications of varying functional content and complexity. The vehicle trunkline provides power distribution and a number... | 04/16/1996 |
| 5504661 | Translucent fluorescent filter for display panels In a display apparatus using projected illumination for display elements, a translucent fluorescent filter is disposed between the light source and the display element. The filter modifies the visible spectrum of light illuminating the display element. A ... | 04/02/1996 |
| 5492487 | Seal retention for an electrical connector assembly An electrical connector assembly including a first connector member, a second connector member, a seal disposed between the first and second connector members for sealing a joint between the first and second connector members, and a sleeve cooperating wit... | 02/20/1996 |
| 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 |
| 5489071 | Cassette tape player having circuit for detecting reverse rotation of take-up reel A system for preventing improper tape feed in a cassette tape player uses pulse width measurements from the take-up reel output signal to sense normal or aberrant tape feeding conditions. The pulse width of the output signal is compared with a predetermin... | 02/06/1996 |
| 5483221 | Seat belt usage indicating system Seat belts in a vehicle are monitored, and a reminder is initiated in response to a restraint sensor indicating the engaged or nonengaged state of a seat restraint, a vehicle sensor indicating when the vehicle is in use, an annunciator controllably produc... | 01/09/1996 |
| 5481885 | Ventilation system for an automotive vehicle instrument panel A ventilation system for circulating cooling air through the instrument panel of an automotive vehicle whereby electronic components within the instrument panel, such as the radio, tape deck and audio components which may include power transistors, are co... | 01/09/1996 |
| 5469510 | Arbitration adjustment for acoustic reproduction systems An acoustic production system having multiple signal sources and a power amplifier driving an acoustic transducer such as a loudspeaker includes an arbitrator in a power limiter circuit to selectively limit the input level of one of the sources to the pow... | 11/21/1995 |
| 5467399 | Coherent signal generation in digital radio receiver A digital radio receiver generates coherent signals for synchronous detection without use of a phase-locked loop by employing an adaptive notch filter to cancel the desired signal. The cancelling signal is employed as the coherent signal for synchronous d... | 11/14/1995 |
| 5465406 | Automatic gain control overshoot limiter for AM receiver A digital radio receiver avoids overshoot or undershoot of an AGC control loop by isolating a carrier signal using an adaptive narrow bandpass filter. The carrier strength signal is used to control either a full AGC loop or an AGC overshoot limiter to avo... | 11/07/1995 |
| 5430450 | Method and apparatus for automatically dimming motor vehicle headlights using radar signal The intensity of the headlights of a motor vehicle are modulated in response to pulsed Doppler radar signals which are used to distinguish between moving vehicles and other objects. The radar signals scan an area generally in front of the host vehicle. Re... | 07/04/1995 |
