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| Number | Title | Issue Date |
| 7328719 | Valve state sensing module A sensing module for a fluid valve utilizes a sensor body having a sensing chamber. An extension member is fixedly coupled to a main valve element, is slidable within the sensing chamber along a first axis, and has an inclined cam surface. A plunger has a cam follow... | 02/12/2008 |
| 7114521 | Double valve constructed from unitary single valves A double valve is constructed from first and second unitary valve assemblies each having a respective inlet port, a respective outlet port, a respective exhaust port, a respective first cross-mirror port, and a respective second cross-mirror port. A first plate is c... | 10/03/2006 |
| 6834661 | Dual mode solenoid valve with pressure regulation A control valve system includes a housing having an inlet port, a first output port, a second output port, and a valve chamber. A primary spool and a secondary spool are independently slidable in the valve chamber. The secondary spool has a first end for abutting ag... | 12/28/2004 |
| 6830066 | Valve with positively driven sensing switch connection A monitored fluid control valve is provided having a valve body with an elongated bore. A movable valve element is slidably received in the bore. A switch assembly has an aperture aligned with the bore. The switch assembly includes an electrical switch having a swit... | 12/14/2004 |
| 6303992 | Interposer for mounting semiconductor dice on substrates An interposer 10 for electrically coupling a semiconductor die 50 to a substrate 70, comprising: an interposer body 12 made of a dielectric material and having a contact surface 14 and an opposed bonding surface 16; a plurality of contact pads 18 arranged... | 10/16/2001 |
| 6257903 | Self-docking electrical connector An electrical connector 100 for drop-in connection of an electronic module 50 (such as an audio speaker assembly) having at least two lead wires 52, to a flex circuit 70 having a like number of circuit traces 72 arranged on a mounting surface 60, comprisi... | 07/10/2001 |
| 6259287 | Regulated voltage supply with low voltage inhibit reset circuit A regulated voltage supply contains a zener diode controlled by a constant current generator to maintain the zener voltage at a constant level regardless of the swings of the voltage input to the diode. A current amplifier responds to the constant current... | 07/10/2001 |
| 6256358 | Digital signal processing architecture for multi-band radio receiver A digital signal processing architecture for an audio system combines multiple functions in programmable and reconfigurable blocks to achieve an efficient use of hardware and chip area. AM, FM, and audio functions can be performed using the same reconfigu... | 07/03/2001 |
| 6250541 | Method of forming interconnections on electronic modules A method which utilizes flip chip technology to provide interconnection between printed circuit boards and integrated circuits is disclosed. The method involves metallization of the bond pad and multiple, novel bump compositions and coating compositions t... | 06/26/2001 |
| 6253153 | Vehicle navigation system and method A vehicle navigation system and method indicates highly recognizable information relating to the next intersection to be turned at for a vehicle operator. The system and method determine a route between the present position and the destination, identify a... | 06/26/2001 |
| 6243329 | Method of enhanced compression rate for a multi-disc CD player A method of enhanced compression rate for a multi-disc CD player includes the step of determining a last data position on a CD being played by the CD player. The method also includes the steps of determining a last playable data position and whether the l... | 06/05/2001 |
| 6210102 | Regenerative fuel pump having force-balanced impeller A pump (10) has a housing containing an internal pumping chamber (30). A fluid inlet (32) and a fluid outlet (34) are spaced arcuately apart about an axis (12), and an impeller (20) within the housing rotates about the axis to pump fluid from the inlet to... | 04/03/2001 |
| 6173166 | Detection and correction of multipath in an FM receiver An FM radio receiver predicts the onset of a multipath event based on a derivative of a noise detection signal and then further monitors the multipath event as it progresses. During multipath, an audio output pans between a normal signal path and a multip... | 01/09/2001 |
| 6140935 | Audio device security system An audio device 1 is installed in a motor vehicle with a vehicle security system 2, 3, 4. The radio 1 has circuitry 21 to detect a connection to the vehicle power supply, a microprocessor 11 to inhibit the operation of the radio after an interruption of t... | 10/31/2000 |
| 6085413 | Multilayer electrical interconnection device and method of making same A multilayer, monolithic electrical interconnection device includes a substrate and a plurality of overlaying, alternating conducting and insulating layers deposited atop the substrate and one another. The layers are deposited by thermal spraying of respe... | 07/11/2000 |
| 6067007 | Method and apparatus for detection, notification and location of vehicle theft A security system for an automotive vehicle including a positioning device which, in cooperation with a Global Positioning System ("GPS") satellite network provides location information regarding the vehicle's position. The security system further include... | 05/23/2000 |
| 6064865 | Proportional diversity radio receiver system with dynamic noise-controlled antenna phasers A space diversity, multiple-tuner radio receiver obtains substantially noise free reception under most signal conditions. The tuner outputs are mixed in proportion with the signal quality as determined by detecting noise in each tuner output signal. Long-... | 05/16/2000 |
| 6061455 | Audio system An audio system for a vehicle comprises an audio amplifier 14 and a manually adjustable volume control 18 for setting the output level of the sound generated by a loudspeaker 20 connected to the output of the amplifier 14. The amplifier 14 includes distor... | 05/09/2000 |
| 6055318 | Adaptive noise reduction filter with low modulation disabling An infinite impulse response (IIR) lowpass filter is placed in the audio path of an audio system wherein the upper cutoff frequency of the filter is adaptively controlled based on a comparison between the average audio signal entering the filter and the a... | 04/25/2000 |
| 6040638 | Immobilization system for motor vehicles A vehicle immobilization system has an electronically controlled locking mechanism which requires interconnection with an electrical supply for it to be switched between a locked state and an unlocked state. The locking mechanism remains in the state to w... | 03/21/2000 |
| 6005488 | User control interface architecture for automotive electronic systems The software and hardware resources of an electronic system are organized in an architecture which creates a single data table in program memory for the assignment of user controls to system functions. User controls can be reassigned through appropriate m... | 12/21/1999 |
| 5999104 | Method of producing customizable automotive electronic systems The software and hardware resources of an electronic system are organized in an architecture which creates a single data table in program memory for the assignment of user controls to system functions. User controls can be reassigned through appropriate m... | 12/07/1999 |
| 5999092 | Antenna cluster for a motor road vehicle collision warning system A motor vehicle collision warning system 1 comprises an obstacle sensing system 3 including a plurality of sensors 5 together capable of sensing obstacles around the vehicle 7 and generating obstacle of concern signals when obstacles are sensed, and a war... | 12/07/1999 |
| 5996727 | Exterior noise absorbing cover for automotive loudspeaker A noise absorbing cover is provided for an automotive loudspeaker to prevent exterior noise from being coupled through a loudspeaker to the interior of the automobile. An air gap is provided around the cover to provide a vent to static pressure for the lo... | 12/07/1999 |
| 5958081 | Energy efficient remote control protocol with improved reliability An energy efficient remote control protocol uses a start bit which has a variable length which corresponds to the parity of the transmitted symbol, a guard time which is fixed at a predetermined length, and a data transmission time which corresponds to th... | 09/28/1999 |
| 5940003 | Magnetic field sensor for a keyless access system for motor vehicles A magnetic field sensor for a keyless access system, particularly for motor vehicles, wherein the direction of incidence of electromagnetic radiation emitted by a transmitter in the short-range field can be detected. The magnetic field sensor has at least... | 08/17/1999 |
| 5934950 | Electrical contact with multiple points of contact An electrical contact includes a lead-in barrel section enclosing a pin receiving cavity having a generally longitudinally uniform cross section extending a predetermined length and an electrically conducting rib cage portion adjacent to and extending fro... | 08/10/1999 |
| 5936438 | Digital oscillator using lookup table with multiple cycles A digital waveform oscillator generates digitized waveforms without distortion using a lookup table. The frequencies which may be generated using direct lookup tables at their fundamental table frequencies are increased according to this invention by incl... | 08/10/1999 |
| 5930693 | Radio receiver with underpass detector A radio receiver avoids overshoot or undershoot of its audio output caused by inadequate AGC loop response when driving under an underpass and then back into an unobstructed environment. The AGC loop response time is changed upon detection of the sudden d... | 07/27/1999 |
| 5923298 | Multiband reception antenna for terrestrial digital audio broadcast bands The invention combines a loop antenna and a dipole antenna in a conformal antenna on the rear window glass of an automotive vehicle above the defogging heater grid. The loop and dipole are adapted to receive Digital Audio Broadcasting (DAB) signals in bot... | 07/13/1999 |
| 5892692 | Method for generating a lookup table for a digital oscillator A digital waveform oscillator generates digitized waveforms without distortion using a lookup table. The frequencies which may be generated using direct lookup tables at their fundamental table frequencies are increased according to this invention by incl... | 04/06/1999 |
| 5892834 | Audio level dynamic range compression An audio level dynamic range compression circuit 1 comprises a variable gain amplifier 6, an audio signal level averaging stage 8, an analog-to-digital converter 10, and a digital processor 12. The output from the averaging stage 8 is passed to the analog... | 04/06/1999 |
| 5890061 | Vehicular emergency message system with call restriction defeating A vehicle user can request emergency or roadside assistance from a response center by activating a button in the vehicle. The global positioning system is used to continuously store the vehicle location. A cellular telephone network is used to contact a r... | 03/30/1999 |
| 5856759 | Audio output amplifier with parallel class AB stages A high output power is obtained for an audio power amplifier using an amplifier circuit topology wherein channels or stages of a multi-channel class AB monolithic integrated circuit are paralleled in order to drive a low impedance dual voice coil speaker.... | 01/05/1999 |
| 5826836 | Self-aligned retaining clip for automotive components The present invention relates to a retaining clip, and in particular to a clip that may be used to mount a component 1 such as a radio through an aperture in a motor vehicle dashboard 54. A spring clip 75 has a base 70 with screw 51 for affixing the clip ... | 10/27/1998 |
| 5815584 | Automatic detection of shorted loudspeakers in automotive audio systems The connections of speakers in an automotive audio system are automatically checked during the assembly process to determine whether any speakers are shorted or have wires incorrectly connected to battery voltage or to ground. A signal diagnostic line can... | 09/29/1998 |
| 5812095 | Mounting structure for combined automotive trim accessory and antenna A vehicular radio reception antenna is concealed within a body trim piece such as a spoiler or a luggage rack. A supporting body panel is utilized as a ground plane and a conductive loop is concealed within the trim piece. A transmission line connects two... | 09/22/1998 |
| 5794171 | Process for deriving predictive model of crankshaft rotation of a combustion engine A predictive model is derived for subsequent use in a misfire detector in an internal combustion engine. Data collected using a test engine is curve-fitted using NARMAX techniques to obtain a computational formula for the predictive model which relates de... | 08/11/1998 |
| 5790065 | Remote control for vehicular audio systems The remote entry system of an automotive vehicle is used to transfer remote control messages to an audio system thereby providing a low cost remote control feature for the audio system. In response to reception of uniquely coded RF control signals, the re... | 08/04/1998 |
| 5790014 | Charging a transponder in a security system A security system utilizing a key-mounted transponder achieves fast and accurate charging of the transponder by using a frequency search and acquisition phase which attempts partial charging pulses at a plurality of spaced frequencies. After a successful ... | 08/04/1998 |
