Abstract: An electronic control unit (20) comprising a cooling module (36) having at least one fluid channel (32) therein, a substrate (50) configured to define an interior region (52) and having an electronic component (54) mounted thereto, such that the electronic component (54) faces the interior region (52), and a cooling fluid (34) within the fluid channel (32), the cooling fluid (34) having a temperature below an operating temperature of the electronic component (54), wherein the cooling module (36) is positioned within the interior region (52), such that the heat generated by the electronic component (54) is convectively transferred to the cooling module (36). By integrating the cooling module (36) with the substrate (50) and by positioning the cooling module (36) in the interior region (52), the cooling module (36) is able to convectively cool the substrate (50).

Abstract: A method and system for checking continuity of a motor 104, motor drive, motor relay 110, dc relay 108 and interconnections 122a-c thereof for a power steering system 204. The method and system of the invention produce minimal torque on a motor shaft 426 of the power steering system 204. The position of the motor shaft 426 is located using a Hall effect current sensor 114, a resolver and the like, depending on the type of motor. Thereafter, it is determined which switches 106a-f of an inverter circuitry 100 to switch to produce a minimal torque on the motor shaft 426. The inverter circuit 100 converts dc voltage from a power source 102 to ac voltage required by the motor 104. Thereafter, the switches 106a-f that produce the minimal torque on the motor shaft 426 are switched and current flow is checked to determine the continuity of the circuitry. To produce minimal torque on the motor shaft 426, the complementary pair of switches 106a-f to the first pair is then switched.

Abstract: A method for forming a metallic contact and manufacturing a product having an electronic component 101 and a printed circuit board 100 (PCB) includes dispensing a slurry solder paste mixture 104 including a metallic powder 105 and an acidic fluid 106, placing electronic component 101 over solder paste dispensed over a surface area of PCB 100, and applying pressure on at least a section of electronic component 101 such that at least a portion of slurry solder paste mixture 104 dispensed on the surface area and in contact with the section of electronic component 101 consolidates into at least one of an inter-metallic compound of hardened solder and a hardened alloy of solder forming the metallic contact between electronic component 101 and said PCB 100.

Abstract: A user-friendly controller provides a special dynamic interconnect which reliably connects terminals of electronic device, such as solenoids, to a circuit board to enhance vehicle performance and help obtain a smoother more comfortable ride. The special interconnect comprises a coil spring contact. The coiled spring contact can have an enlarged head which can be soldered to a contact on the circuit board. The central portion of the spring contact provides a terminal-receiving opening to slidably receive the terminal of the electronic device. The smaller end portion of the spring contact can compressively engage and dynamically contact the terminal of the electronic device. A cover can be provided to environmentally protect and cover the circuitry and circuit board. The cover can have chambers for receiving and engaging the spring contacts.

Abstract: A method and system (102) for providing criterion based adaptive power allocation with selective determination of modulation and coding is provided. A method is presented which consists of providing adaptive power allocation with a target signal quality for each link based on a system criterion, and a modulation/coding rate for each link based on a signal quality associated with the transmit power of each link. A further method is provided which may alternatively, or additionally, consist of APA in which the transmit power for each link is assigned in an attempt to obtain a signal quality for each link within a range between or equal to a minimum and maximum. An additional method is disclosed consisting of APA in which the transmit power for each link is assigned in an attempt to obtain a signal quality for each link as close as possible to a common signal quality, when the power allocation method has a limited dynamic range.

Abstract: In a method in a transceiver for selecting a communication parameter for communicating with a concentrated subscriber unit, wherein the concentrated subscriber unit includes a plurality of subscriber terminals, a subscriber terminal identification number of one of the subscriber terminals is determined. Next, N number of selected digits in the subscriber terminal identification number are set equal to predetermined values to produce a modified subscriber terminal identification number. the modified subscriber terminal identification number is then hashed using a hashing function to produce a communication parameter indicator. Finally the communication parameter is selected in response to the communication parameter indicator, wherein groups of subscriber terminal identification numbers having non-selected digits with the same value are hashed to produce the same communication parameter indicator. The communication parameter selected may be a carrier frequency used by the communications system.

Abstract: A communication system (100) having packet and circuit switched networks (102 and 101) provides connection between at least a first and a second end users by establishing a call connection via a radio access network (105), establishing a control channel associated the call connection between radio access network (105) and packet switched network (102) through a first packet switched connection, selecting one of packet and circuit switched networks (101 and 102) for establishing a traffic channel associated with the call connection, and routing the traffic channel through said selected network while maintaining the control channel through packet switched network (102).

Abstract: The invention relates, in general, to electrical connector assemblies, and more particularly to plastic electrical connectors that employ metal plated plastic contacts. According to an aspect of the invention, an electrical connector is provided comprising a plastic shell having an open cavity that defines an internal surface, and an electrical connector contact that comprises a metal coated area of the internal surface.

Abstract: A method and apparatus provides for a subscriber device (106) to signal changing from a first network to a second network including receiving via a transceiver (120) at the subscriber device (106) a time value from another network and generating from a clock (124) at the subscriber device (106) a current time value and then using a controller (126) deriving a delta time value between the time value and the current time value. The controller (126) signals the user when the delta time value between the time value and the current time value changes.

Abstract: A multi-part reactive device preferably includes a substrate with a first conductive area and a second conductive area. A first conductive element with a first terminal is connected to the first conductive area. The first conductive element has a second terminal connected to the second conductive area. A current loop is formed extending from the first conductive area, through the first terminal, through the second terminal, to the second conductive area. A magnetically-effective core member is captivated by the first conductive element to the substrate between the first conductive area and the second conductive area and encircles the current loop. The first conductive area, the first conductive element, the magnetically-effective core member, and the second conductive area form a first magnetic circuit. Additional magnetic circuits can be formed by adding additional conductive patterns and additional conductive elements.

Abstract: The present invention provides a method and an apparatus for controlling mobile access to a wireless communication system. A base station (145) in a communication cell (165) monitors a plurality of mobile access parameters. The base station (145) generates control information based on the plurality of mobile access parameters. The base station (145) provides mobile stations (185, 190) within the communication cell (165) with the control information to control access to the communication system by mobile stations (185, 190) based on the mobile access overload class of the mobile stations (185, 190) and the type of mobile access attempted by the mobile stations (185, 190).

Abstract: A system and method for controlling echo using zero echo path, ringing, and off-hook detection. When conditions for zero echo path are detected, the present embodiment bypasses echo cancellation by replacing the output signal with the input to the echo canceller. In addition, the present embodiment also provides ringing and off-hook detection which additionally evaluate when the output signal should be replaced by the input to the echo canceller. The system and method provides additional detection and control benefits to echo cancellers and can be implemented in echo cancellation systems without substantial change to the existing echo canceller.

Abstract: A system and method for controlling the interior temperature within a vehicle. In a preferred embodiment of the system, the system responds to increases in exterior temperature by reducing the interior temperature of the vehicle passenger compartment. The system preferably includes a temperature sensor within the passenger compartment and a microprocessor programmed to respond to signals from the temperature sensor. The microprocessor operates to roll down windows and/or engage a fan or air conditioning unit until a desired and comfortable temperature is achieved within the passenger compartment. The user can pre-program the system with settings that are stored in a memory or use factory default settings. A moisture sensor can also be coupled to the microprocessor to respond to rainy conditions. In one alternate embodiment, a two-way paging and cellular network module is included to contact the vehicle operator when the system is engaged.

Abstract: A regulating circuit for a transformer is provided. The circuit includes at least a primary stage in association with a primary coil of a transformer and a secondary stage in association with a secondary coil of the transformer. Switching means are circuited to control current through the primary stage and a comparing means is provided in communication with the switching means. The comparing means compares voltage in the secondary stage with a desired value, and operates to open and close the switching means in accordance with this determination to result in a desired output voltage. Alternatively, the comparing means compares the voltage at the secondary stage with the voltage input to the primary stage. The comparing means operates to open the switching means when the voltage of the primary stage exceeds the input voltage. A method is also disclosed that includes the steps of determining a voltage at the primary stage circuit, determining a voltage at the secondary input, and comparing the voltages.

Abstract: A communication device (101) includes multiple antennas (201-203), multiple receivers (222-224), and a processor (225). The communication device receives a first radio frequency (RF) signal via a first antenna (201) of the multiple antennas and a second RF signal via a second antenna (202) of the multiple antennas. The communication device determines a signal metric for the first RF signal and a signal metric for the second RF signal, compares the determined signal metrics to produce a signal metric comparison, and generates an error signal based on the signal metric comparison. The error signal may be remotely monitored for prompt corrective action.

Abstract: A multiple element sensor for sensing pressure, the sensor has a substrate 201 with a diaphragm portion 203. Multiple sensing elements 205, 207, 209, 211 are each disposed on the diaphragm portion 203 of the substrate 201. These sensing elements 205, 207, 209, 211 each have output terminals 231, 232, 233, 234, 235, 236, 237, 238 providing signals 371, 373, 375, 377 indicative of the pressure. A combining circuit 217 has input terminals 337, 339, 341, 343 each coupled to the output terminals 231, 232, 233, 234, 235, 236, 237, 238 of each of the sensing elements 205, 207, 209, 211 respectively. The combining circuit 217 has a combined output terminal 219 for providing an output signal 345 dependent on the plurality of signals 371, 373, 375, 377. By fabricating this structure different pressure sensor ranges can be selected depending on how many of the sensing elements 205, 207, 209, 211 are selected by the combining circuit 217.

Abstract: The invention provides a method of interleaving information units in order to provide improved error control. A communication device codes the information units, subdivides the coded information units into multiple subsets, reorders each of the multiple subsets, and interlaces the multiple reordered subsets to produce a set of interleaved coded information units. By reordering and interlacing the subsets, the impact of burst errors is diminished and the coded information units are formatted to take advantage of the different levels of error protection provided to the various bits underlying a symbol assigned by a symbol mapper.

Abstract: An apparatus (100), comprising multiple modular electrical devices (102, 104, 504) and an optical signal source (106), all coupled to an optical communication resource (108), and method for the interconnection of the multiple modular electrical devices (102, 104, 504) provides for a first modular electrical device (102) of the multiple modular electrical devices to locate a second modular electrical device (104) of the multiple modular electrical devices and to selectively address a communication among multiple modular electrical devices (102, 504).

Abstract: A generic structure of Hybrid ARQ using Turbo Codes is provided which requires the function of a) channel coding, b) redundancy selection, c) buffering and max-ratio diversity combining, d) channel decoding, e) error detection and f) sending back an acknowledgement to the transmitter. The functions (a) and (b) are performed at the transmitter while functions (c) to (f) are performed at the receiver. The initial code rate can be explicitly communicated to the receiver or blindly detected.

Abstract: A pump and motor unit 100 and method for pumping fluid is provided. The pump and motor unit 100 has a rotor element 102 which provides both pumping force and motor force. The rotor element 102 contains a fluid flow channels 200 which pump the fluid through the pump and motor 100 when rotated using centrifugal pump principles. The rotor element 102 further includes magnets 108, preferably permanent magnets, which generate a rotor magnetic field. First and second stator seconds 104 and 106 generate a stator magnetic field using coils 300-314. The rotor and stator magnetic fields interact and generate a torque which rotates the rotor element 102 using brushless DC motor principles.