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Air-blow solder ball loading system for micro ball grid arrays
In a ball grid array (BGA) station (50) having a robotic arm (60) with a vacuum head (70) containing a predetermined quantity of vacuum apertures (90), a method...
OBD calorimetric sensor system with offset error correction
An on-board catalytic monitoring system uses an intrusive technique to cause the vehicle's engine to cycle between first and second operating conditions. The...
Data processor with a privileged state firewall and method therefore
A data processor (20) includes a firewall circuit (50) that monitors privilege level changes or transitions between privilege modes, such as from user mode and...
Apparatus and methods for performing arithimetic operations on vectors
A multiply-multiply-accumulate (MMA) system (10) efficiently evaluates matrix products X=F*C. Matrix C is dissected into submatrices A and B taking advantage of...
Galois field arithmetic logic unit circuit
A Galois Field arithmetic logic unit (GF ALU) circuit (200) that generates a GF product of size M includes a first and a second input field element register...
Test system for verifying angle/time based systems and method therefor
A test system (10) for testing real-time angle/time based control systems includes a digital signal generator (16), a multi-channel pulse analyzer (22), and a...
Method and apparatus for radio system with mode based subscriber
A radio communication system (100) includes equipment (112) that manages communication initiated at a subscriber unit (122) and targeted at another subscriber...
Handheld device having an optical data reader
A handheld device comprises a housing and an optical reader supported by the housing. The housing can include a corner portion at which the optical reader is...
Method and apparatus for implementing a service in a wireless
In a wireless communication system (100, 200), at least one service building block (605-610 and 622) is used in a service creation environment (301) to create...
Method of and apparatus for communicating information signals
A mobile station (101) and a base station (103) coupled to a land line network (200) communicate over a radio frequency (RF) communication link (202). The mobile...
Method and apparatus for detecting communication signals
A unique method and apparatus for detecting the power level of communication signals, such as RF communication signals being transmitted from a wireless...
Processor power consumption estimator that using instruction and action
formulas which having average static...
A process (20) is presented for determining the total routine energy (78) consumed by a processor (22) during the execution of a code routine (36). This total...
Method for a receiver unit to determine a quality value for a received
A received signal (310) includes information symbols ("D's") including equidistant symbols that are equidistant from the origin of a complex plane. The D's and...
Method of handing-off a remote unit based on overhead information start
The present invention provides a method of handing-off a remote unit (113) from a first base station (101) to a second base station (102). The remote unit (113)...
Method and apparatus for selecting a resource in a communication system
with resources having unbalanced load...
The method of selecting one of the resources for servicing a call includes determining a load level and a relative load capacity for each of candidate resources....
Method for signal level monitoring
A cable access unit (CAU) (60) capable of monitoring power levels for a plurality of channels couples a television (80) and communication equipment (70) to an...
Multi-substrate radio-frequency circuit
A radio-frequency circuit (20) includes a hybrid integrated circuit (24) having a passive circuit element (38) and a d-c biasing circuit element (54) embedded...
Microstrip antenna and method of forming same
A microstrip antenna (300) provides improved bandwidth control by gap coupling first and second triangular patches (310, 312) over a ground plane (322). The...
Multi-mode pass-band planar antenna
An antenna (100) has a multi-mode resonating structure (110) that includes three electromagnetically coupled resonators (112, 114, 116) carried by a dielectric...
Communication system and device having unit locating feature
A communication system (700) comprises a plurality of base sites (702-708) which include a first antenna (712) for transmitting a synchronous communication...
Automated item coupling system and method therefor
A tracking device (100) issues an alert when an item (405) is separated from the device (100) according to programmable characteristics. The tracking device...
Oscillator circuit having a differential configuration and method of
An oscillator circuit (100) provides improved noise immunity by utilizing a differential common base configuration. The oscillator includes a differential...
Linear low noise phase-frequency detector
A phase-frequency detector (110) includes an output stage (300) and a control stage (200). The output stage includes a pump up switched current source (350), a...
Silicon carbide transistor and method
A silicon carbide MESFET (10) is formed to have a source (21) and a drain (22) that are self-aligned to a gate (16) of the MESFET (10). The gate (16) is formed...
Chemical mechanical polishing (CMP) slurry for polishing copper
interconnects which use tantalum-based barrier...
A method for forming a copper interconnect on an integrated circuit (IC) begins by forming a dielectric layer (20) having an opening. A tantalum-based barrier...
Method for using a conductive tungsten nitride etch stop layer to form
conductive interconnects and tungsten...
A method for forming a contact structure (10) which enables the use of ultra-shallow source/drain junctions begins by forming source and drain regions (14) and...
Selective metallization/deposition for semiconductor devices
A method of selective metallization/deposition including patterning a mask on the surface of a substrate structure to define contact areas, and utilizing a...
Integrated circuit interconnect method and apparatus
A method of packaging a semiconductor device (10) partitions a distribution substrate (20, 40) into regions (31-34) such that attachment points (22) for...
Method for forming a lithographic mask used for patterning semiconductor
A method of forming a lithographic mask, including exposing an energy beam on a first selected spot (118) on the patterning layer of a mask substrate, within a...
Substrate for transferring bumps and method of use
A first pattern of bumps and a second pattern of bumps are formed on a substrate (10) with bumps (14,15). During a transfer process, only the bumps (14) of the...
Method and system for performing an L.sub.11 norm operation
A method and system for an L.sub.1 norm operation are provided. A sequence of input signals is distributed through a data pipeline to a programmable accumulator....
Method of making coaxial transmission lines on a printed circuit board
A method of forming a coaxial transmission line on a high density PCB. A metal strip (102) on the PCB (104) forms the bottom part of the shield, and is covered...
Method and apparatus for encoding and decoding binary information using
restricted coded modulation and...
A restricted coded modulator apparatus (100, FIG. 1) is used to assign binary digits to symbols such that an error in one or more binary digits in an M-ary...
Method and apparatus for affecting subsequent instruction processing in
a data processor
A method and apparatus affects subsequent instruction processing in a data processor (10). In one embodiment, a delay interrupt recognition instruction (IDLY4)...
Communicator having reconfigurable resources
A communicator (10) includes a plurality of reconfigurable resource units (13) that can each be dynamically altered to perform any of a multitude of processing...
Devices for transmitter path weights and methods therefor
A receiving communication device (101) receives a reference signal transmitted through at least one of the antennas (106, 110, 112) of an antenna array of a...
Radiotelephone having a user interface module
A radiotelephone (100) comprises a user interface module (102) including a membrane sheet layer (302), user interface circuitry (304) and a flexible circuit...
Method and apparatus for implementing diversity for a dual-mode
The present invention provides a method for implementing diversity for a dual-mode communication unit in a communication system. The communication system...
Method and apparatus for providing private global networks in a
satellite communication system
Private Global Networks (PGNs) between communication terminals (110, 114, 116, 118) are established within a satellite communication system (100). Each PGN...
Method for performing model checking in integrated circuit design
A method is presented for performing model checking of an integrated circuit design that avoids the need for construction of an environment model by the use of...
Method for recovering a source signal from a composite signal and
Methods and apparatus for recovering a desired signal from a composite signal. In one method, sample-based information maximization techniques for blind...
Method and apparatus for determining hand-off candidates in a
A communication system provides wireless communication in a coverage area and includes a base station (100) and a mobile station (290). The base station (100)...
Method and apparatus for a global positioning data service
In a telecommunication system (15) with at least one gateway (1), subscriber units (2), system controller (3), at least one communication satellite (4) and...
Segmented DAC using PMOS and NMOS switches for improved span
A digital-to-analog converter with cascaded coarse and fine resistor divider strings. The fine resistor string contains 2.sup.N or more resistor segments...
Power combiner for use in a radio frequency system and a method of
constructing a power combiner
A power combiner including a plurality of phasing transmission lines (122) supporting a set of amplifiers (103-105) coupled thereto, and a plurality of matching...
CMOS implemented output buffer circuit for providing ECL level signals
A CMOS implemented output buffer (10) provides ECL level output signals. The output buffer (10) is implemented in two stages. The first stage (36) includes an...
Apparatus and method for reducing energy fluctuations in a portable data
A portable data device employs an integrated circuit having a signal processor that receives a power signal from an external source via a power node. A...
Electronic ballast with two-step boost converter and method
An electronic ballast (10) for fluorescent lamps includes a rectifier circuit (100), a boost converter (200), and an inverter (500). The boost converter (200)...
Active matrix OED array with improved OED cathode
An active matrix OED array with an improved device cathode includes a plurality of control transistors formed on a semiconductor substrate with insulating...
Electronic control module
An electronic control module (40) includes a base plate (12) bent about first and second major bend axis (27, 28). The base plate includes first and second...