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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Delco Electronics Corporation Patents
Assignee:
Delco Electronics Corporation
Address:
Kokomo, IN
No. of patents:
563
Patents:


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Patent Number Title Of Patent Date Issued
6338010 Multi-sensor module for communicating sensor information over a vehicle data bus January 8, 2002
A multi-sensor module (10) includes a housing (12) with a plurality of vehicle operating condition sensors (S.sub.1 -S.sub.N) mounted therein and a signal processing circuit (20, 26, 30) also mounted therein which receives sensor signals provided by the plurality of sensors (S.sub.1
6233159 Bracket for supporting and aligning a circuit component with respect to a circuit board May 15, 2001
A bracket for supporting and aligning a circuit component, such as a voltage regulator, on a circuit board during assembly. The bracket frictionally engages the component to restrain the component's movement and raised dimples position the component so that a hole in the component is
6201427 Circuitry for protecting a N-channel load driving device from reverse voltage condition March 13, 2001
The invention relates to circuitry for protecting n-channel load driving devices from reverse voltage conditions and for inhibiting the flow of destructive currents through such devices under reverse voltage conditions. According to one embodiment of the invention, a circuit is provi
6193812 Flux solution for soldering containing borneol February 27, 2001
A soldering flux containing borneol, which is also referred to as bornyl alcohol. A method soldering using such a flux is also disclosed. Even minor proportions of borneol in the flux help reduce ionic residue from the flux after soldering. Larger proportions of borneol can give the flux
6192305 Vehicle rollover sensing using yaw rate estimation February 20, 2001
A rollover sensing apparatus and method are provided for predicting rollover or pitchover conditions of a vehicle. The apparatus and method sense angular roll rate, angular pitch rate, longitudinal acceleration, lateral acceleration, and vertical acceleration of the vehicle and produce
6185163 Vehicle audio system having random access player with play list control February 6, 2001
A method is provided for altering a play list of a Random Access Player without interrupting the generation of output by the Player. The method includes initiating a reproduction mode that activates the Random Access Player, commencing the generating of output by the Random Access Player
6184581 Solder bump input/output pad for a surface mount circuit device February 6, 2001
A surface mount circuit device (110), such as a flip chip, of the type which is attached to a conductor pattern (126) with solder bump connections (120). The solder bump connections (120) are formed by reflowing solder on shaped input/output pads (112) on the device (110), with the s
6180436 Method for removing heat from a flip chip semiconductor device January 30, 2001
A method and assembly (10) for conducting heat from a semiconductor device, such as a power flip chip (12). The assembly (10) is generally constructed to dissipate heat from the chip (12) when mounted to a flexible substrate (16). Heat is conducted from the chip (12) with a heat-conducti
6180265 Flip chip solder bump pad January 30, 2001
A method for forming a solder bump pad (22), and more particularly converting a wire bond pad (12) of a surface-mount IC device (10) to a flip chip solder bump pad (22), such that the IC device (10) can be flip-chip mounted to a substrate. The process generally entails an aluminum wi
6180164 Method of forming ruthenium-based thick-film resistors January 30, 2001
A method for forming a ruthenium-based thick-film resistor having copper terminations, in which the thick-film resistor is fired in a non-oxidizing atmosphere so as not to oxidize the copper terminations yet without reducing the thick-film resistor to metallic ruthenium. A ruthenium-base
6180045 Method of forming an overmolded electronic assembly January 30, 2001
An overmolded electronic assembly (10) and method for forming the assembly (1) that entails enclosing a circuit board (12) having one or more circuit devices (16) mounted to its surface. The assembly (10) includes a heat-conductive member (18) in thermal contact with one or more of the
6178916 Compact, low-cost, rotary knob with indicator January 30, 2001
In a preferred embodiment, a compact, low-cost, rotary control knob assembly, including: an indicator portion having disposed thereon indicia representing selectable settings of the control knob assembly; a knob portion disposed over the indicator portion, such that the indicia are c
6175299 Analog signal processing system for determining airbag deployment January 16, 2001
An analog signal processing system for determining airbag deployment includes a first low pass filter receiving a conditioned analog accelerometer signal and providing an analog acceleration signal therefrom. A first comparator/latch circuit receives the analog acceleration signal an
6170735 Soldering method using a flux containing borneol January 9, 2001
A soldering flux containing borneol, which is also referred to as bornyl alcohol. A method soldering using such a flux is also disclosed. Even minor proportions of borneol in the flux help reduce ionic residue from the flux after soldering. Larger proportions of borneol can give the flux
6138067 Adaptive pressure based weight estimation system for a vehicle occupant October 24, 2000
An improved pressure-based weight estimation system that includes an adaptive technique for reliably and accurately determining the vacant, or unoccupied, seat pressure. The vacant seat pressure is initially determined by a factory calibration procedure, and is thereafter suitably up
6138047 Low frequency PWM generation method for a microprocessor-based controller October 24, 2000
An improved method of operation for a microprocessor-based controller wherein a frequency limited counter can be used to generate low frequency PWM signals having on and/or off periods that exceed the period of the microprocessor's free-running counter. The improved method of operation
6133728 Current mode differential to single-ended conversion circuit for a magnetic wheel speed sensor October 17, 2000
A variable reluctance sensor interface module having a variable attenuation circuit and a rectifier and differential single-ended conversion circuit for operating in a current mode to attenuate a differential input voltage. The variable attenuation circuit receives an input differential
6130582 Amplifier circuit including compensation circuitry for canceling variations in an amplifier feed October 10, 2000
An amplifier circuit (14') for canceling variations in an amplifier feedback signal includes compensation circuitry (50) defining a replica of the feedback current therethrough. The replicated feedback current is drawn from a circuit node (N1) which directs the feedback signal to a d
6128954 Spring for a resonance ring of an angular rate sensor October 10, 2000
A motion sensor having a sensing ring and electrodes formed on or in a surface region of a substrate, such as a silicon chip. The sensing ring is supported above the substrate by a number of spring members extending radially from a hub, so that the ring has an axis of rotation through th
6127701 Vertical power device with integrated control circuitry October 3, 2000
A process for integrating a vertical power device, such as an IGBT device, with suitable control circuitry, such as circuitry that provides self-protection from over-temperature (OT), over-voltage (OV) and over-current (OC) conditions. The process yields a vertical power device that
6088639 Method of enabling and disabling occupant restraints July 11, 2000
A controller for airbags and seat belt pretensioners stores a digital flag for each restraint to enable or disable the corresponding deployment loop. A diagnostic tester is coupled by a communications link to the controller to selectively set the flags as desired. The controller stores a
6081996 Through hole circuit board interconnect July 4, 2000
In a preferred embodiment, a through hole connector pin for a circular through hole defined through a printed circuit board substrate, including: a vertical cylindrical portion of the connector pin for insertion in the circular through hole, the vertical cylindrical portion having a diam
6078622 Distributed digital radio system June 20, 2000
A central digital signal radio processor (DRSP) is separated from all analog inputs and outputs by digital data links. Each end of a data link couples to an interface which has transmit and receive capability using cancellation techniques to allow full duplex transmission. An antenna
6078154 Circuitry for determining actuator position June 20, 2000
Circuitry (100, 100') for determining actuator position includes four MOS transistors (T1-T4) connected to each side of a bi-directional motor (10). The current flowing through the motor (10) at any given time is proportional to voltages developed across the internal impedances of the
6073312 Collapsible knob assembly and retaining spring therefor June 13, 2000
A D-shaped retaining spring couples a knob to a shaft. The spring has a flange abutting the end face of the knob to fix the spring position in a cavity of the knob. Alternatively, instead of the flange, the inner end of the spring abuts a shoulder in the cavity to fix the spring position
6071371 Method of simultaneously attaching surface-mount and chip-on-board dies to a circuit board June 6, 2000
A process is provided for simultaneously attaching surface-mount (SM) integrated circuit (IC) devices (12) and chip-on-board (COB) IC devices (22) to a circuit board (10) using a combined solder reflow and adhesive cure thermal cycle. The process generally entails placing SM and COB
6064646 Data communication apparatus and method May 16, 2000
In a first controller that runs a first control algorithm and a first interrupt service, wherein the first control algorithm includes a first series of commands repeatedly executed in sequence, wherein the first interrupt service performs a second series of commands when the first in
6062903 High power surface mount interconnect apparatus for electrical power control module May 16, 2000
An improved interconnect apparatus for high power circuits that is low in cost and amenable for integration with low power circuits in a single electronic package. The interconnect apparatus includes serially connected surface mount bus bars bridging two or more metal pads or traces form
6054765 Parallel dual switch module April 25, 2000
A parallel dual switch module that is characterized by improved mechanical and electrical packaging efficiency and low cost. The module includes a common terminal defined by a first stamped elongate metal plate insert molded into the module housing, and positive and negative terminals
6046511 Fault tolerant power supply and bus topology for a distributed architecture supplemental restrai April 4, 2000
An improved distributed architecture SIR system wherein the idle voltage of the power and communications bus is regulated by a fault tolerant power supply circuit, and portions of the bus coupled to devices located in a crush zone of the vehicle may be de-coupled from other portions of t
6038495 Vehicle rollover sensing using short-term integration March 14, 2000
A rollover sensing apparatus and method are provided for predicting rollover and/or pitchover conditions of a vehicle. An angular rate sensor senses attitude rate of the vehicle and an accelerometer measures vertical acceleration of the vehicle. A current attitude angle is estimated by
6034561 Integrated inductive load snubbing device March 7, 2000
A transient suppressor comprises a self-triggered silicon control rectifier (SCR) that forms a drive circuit for an NPN power transistor. The SCR and the NPN power transistor are combined, along with other elements, into an integrated circuit (IC) by a junction isolated BiCMOS process. T
6021320 Broadcast receiver providing selectable categories of available broadcast signals February 1, 2000
A Broadcast receiver system includes a SNAPSHOT feature which searches one or more broadcast bands for currently receivable broadcast signals. Supplemental information accompanying each of the received broadcast signals are processed to determine a program type thereof, e.g. country,
6018131 Switch pad with integrated squeak and rattle eliminator and method of manufacture and use January 25, 2000
In a preferred embodiment, a control assembly, including: a housing; a control element assembly disposed in the housing; a pushbutton assembly disposed in the housing; a switch pad disposed between the control element assembly and the pushbutton assembly; a faceplate covering an end of t
6011280 IGBT power device with improved resistance to reverse power pulses January 4, 2000
A semiconductor power device (100) that includes active cells in an interior region of an epitaxial layer (16) on a semiconductor substrate (12), and an edge termination structure that surrounds the cells and separates the cells from the die edge (48). A polysilicon layer (26) overli
6010577 Multifunctional soldering flux with borneol January 4, 2000
A soldering flux containing borneol, which is also referred to as bornyl alcohol. A method soldering using such a flux is also disclosed. Even minor proportions of borneol in the flux help reduce ionic residue from the flux after soldering. Larger proportions of borneol can give the flux
6002975 Vehicle rollover sensing December 14, 1999
A rollover sensing apparatus and method are provided for predicting rollover and/or pitchover conditions of a vehicle. An angular rate sensor senses attitude rate of the vehicle, a first accelerometer measures horizontal acceleration of the vehicle, and a second accelerometer measure
6002974 Vehicle rollover sensing using extended kalman filter December 14, 1999
A rollover sensing apparatus and method are provided for predicting rollover or pitchover conditions of a vehicle. The apparatus and method sense angular roll rate, angular pitch rate, longitudinal acceleration, lateral acceleration, and vertical acceleration of the vehicle and produce
6000952 Interconnect system for intergrating a bussed electrical distribution center with a printed circ December 14, 1999
An integrated BEDC and PCB provided through a low cost, highly reliable interconnect system. The upper and/or lower half of the main insulation assembly of a BEDC is provided with a recess for accommodating at least an edge portion of the substrate of a PCB. The PCB is provided with aper
5995512 High speed multimedia data network November 30, 1999
A low cost, high speed multimedia data network is disclosed. The network preferably includes a fiber optic data bus arranged in a star topology configuration. Various types of devices or nodes may be placed in communication with the bus via a specially designed interface. The interfa
5994188 Method of fabricating a vertical power device with integrated control circuitry November 30, 1999
A process for integrating a vertical power device, such as an IGBT device, with suitable control circuitry, such as circuitry that provides self-protection from over-temperature (OT), over-voltage (OV) and over-current (OC) conditions. The process yields a vertical power device that
5993019 Molded two part button with illuminated graphic November 30, 1999
A backlighted button or knob made by multi-shot molding has a translucent part and an opaque part. At the front of the button the translucent part contains a ridge shaped in the form of a symbol which is illuminated. The opaque part surrounds the ridge to mask light to surrounding areas.
5991609 Low cost digital automatic alignment method and apparatus November 23, 1999
A technique for the automatic alignment and tuning of the front end of a vehicle radio. A tuning voltage is applied to a multiplying digital-to-analog converter before being applied to a front end tuning circuitry of the radio. A tuning voltage antenna number is applied to the tuning
5989372 Sol-gel bonding solution for anodic bonding November 23, 1999
A method of bonding two electrically conductive substrates together includes the steps of forming a dielectric layer between the substrates, with the layer being formed from a sol-gel solution. Through the application of a constant voltage an ionic depletion region is created in the
5987160 Method and apparatus for inspecting a photoresist material by inducing and detecting fluorescenc November 16, 1999
A method and apparatus for inspecting a substrate having a surface on which a photoresist material has been deposited. The apparatus preferably includes a device for transporting substrates through an illumination beam such that the edges of the substrates are sequentially irradiated by
5986979 Play list control method and system for November 16, 1999
A method is provided for altering a play list of a Random Access Player without interrupting the generation of output by the Player. The method includes initiating a reproduction mode that activates the Random Access Player, commencing the generating of output by the Random Access Player
5983827 Tip to tail illuminated pointer assembly November 16, 1999
A pointer assembly illuminated by a rear circular light source surrounding a pointer axis includes a pointer having an inner portion surrounding the axis and a tip extending radially from the inner portion, a stem for supporting the pointer on a gauge spindle and including a plate for
5983087 Distributed digital signal processing for vehicle audio systems November 9, 1999
A radio with a tuner and other program sources uses a digital signal processor (DSP) to enhance the audio signal and to generate a stream of digital data including audio data and control data corresponding to loudness functions. A fiber optic data link couples the data stream to a pl
5969382 EPROM in high density CMOS having added substrate diffusion October 19, 1999
A method of making an EPROM transistor in a high density CMOS integrated circuit having a substrate to gate electrode material capacitor. The EPROM transistor is made using only the steps used to make the other components of the high density CMOS integrated circuit. The EPROM transistor
5967301 Popout control assembly for radios October 19, 1999
A radio keyboard supports a potentiometer on its rear surface and a popout control in the front surface. The control includes a housing between the keyboard and the radio trim plate, inner and outer stationary cams, and a rotatable cam follower on a shaft which controls the potentiometer
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