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External power source to main battery power sources switch
A switching circuit (30) in a portable telephone connects a gate of a field-effect transistor (Q1) to a voltage below the transistor's gate threshold voltage...
Communication services needs of a communication unit supplied through
simultaneous affiliation with multiple...
A radio communication system (100, 200) employs a method of providing communication services to a communication unit (104, 105) having a plurality of service...
Method and mobile station for activating a playback device in a
A controllable playback device is placed in a mobile station (125) which is capable of playing a recorded announcement to the user of the mobile station (125)...
Method and apparatus for allocating communication resources to support
priority communications in a...
A communication system (100) employs a method (300) and apparatus (118) for allocating communication resources (e.g., 127-128) to support priority communications...
Method and apparatus for managing service accessibility between
differing radio telecommunication networks
A method for a network in a multi-network system to obtain access information for a subscriber unit (104) (SU) involves requesting (1306) access information from...
Space-based communication system and method with continuous channel
The system (10) and method (100) adjust reuse units when nodes (e.g., satellites (20, 22)) move in a communication system (10), such as satellites (20,22) moving...
Power control circuit for a radio frequency transmitter
A gain controller (130) for a radio frequency (RF) transmitter (102) controls a power level of a signal (123) transmitted within a predetermined range of output...
Method and apparatus for power control in a communication system using
Power control in a spread-spectrum communication system takes place by determining origination power of a traffic channel based on a number of active...
Method, access point device and peripheral devices for low complexity
dynamic persistence mode for random...
A method, access point device and a perpherical device provide low complexity dynamic persistence for random access in a wireless communication system. The...
Channel quality management in a cable telephony system
A method and apparatus in a communication system (100) for allocating and controlling data transmissions to and from communications unit (134) in communications...
Satellite traffic reporting system and methods
With a constellation of low-earth orbiting satellites, instantaneous photographs of all large cities can be made available in real-time or near real-time. Those...
Method and apparatus for decoding an encoded signal
A decoder (215) implemented in a receiver of a wireless communication system employs an improved method and apparatus for decoding an encoded signal. The...
Hierarchically managed boundary-scan testable module and method
A JTAG module (12) includes a master component (20) and any number of slave components (22). The master component (20) includes a TAP controller (24) and related...
System and method for multiple access short message communications
The present invention describes a communications system that utilizes frequency division multiple access (FDMA), code division multiple access (CDMA), and time...
Switched mode power supply controller and method
A switched mode power supply has a transformer and a power switch to switch a primary current for operation in a critical conduction mode. The switched mode...
Methods and systems for processing video signal pixel data
In a video processing system (14), a method of detecting and compensating for motion of an image which includes the steps of: detecting a first pixel value, a...
Integrated test and measurement means employing a graphical user
Multiple testing elements (26) are coupled to a bus (25) operated under the control of a graphically programmed computer (12). The computer (12) interrogates the...
Current balanced balun network with selectable port impedances
A half-wave balun network balanced for at least current is provided by a conductor section having contiguous conductor portions 130 and 140. A balanced port 110...
Antenna assembly for use with a portable two-way communications device
and method of using same
An antenna assembly (100) for use in a portable two-way radio communications device includes a radio housing (101) including one or more boss (103) used for...
Method and apparatus for compensation of phase distortion in power
A method and apparatus for efficient power amplification with low phase distortion includes an envelope detector (30), a scaling amplifier (40), a driver...
Method for detecting closure of a solenoid coil from the rise time of
each of the current peaks of the solenoid...
A method for detecting closure of a solenoid coil in a solenoid arrangement in a solenoid arrangement having first (4) and second (40) solenoid coils and a...
Low-profile axial-flow single-blade piezoelectric fan
A low-profile, axial-flow, single-blade piezoelectric fan is provided. The fan is in the form of a piezoelectric fan assembly (300) which contains a housing...
Method for forming a high voltage gate dielectric for use in integrated
A method for form an integrated circuit device begins by growing a tunnel oxide (22). The tunnel oxide is exposed to a nitrogen containing ambient whereby...
Method of fabricating GMR devices
A method of fabricating GMR devices on a CMOS substrate structure with a semiconductor device formed therein. The method includes forming a dielectric system...
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...
Evaporative cooling vessel for controlling the temperature of a portion
of an electronic part during solder reflow
An evaporative cooling vessel (100) for controlling the temperature of a predetermined portion of an electronic part during the solder reflow process. The...
Method of manufacturing an electronic component
An electronic component includes a substrate (11) having a device surface (13) and opposite ends (14, 15) adjacent to the device surface (13), an electronic...
Hang up cup for a portable communication device
Housing for battery charging device
Data processing system for writing an external device and method therefor
A data processing system (10) provides flexibility in interfacing with both a variety of memory devices (56, 58) and external peripheral devices (58). A control...
Processor and method for store gathering through merged store operations
First and second store instructions that target one or more locations in a cache memory are identified. A determination is made whether the cache memory is busy....
Method and apparatus for routing signals through a communication system
having multiple destination nodes
A method and apparatus for routing signals through a system (10) which has multiple destination nodes (12, 14) assigns one or more unique carrier frequencies to...
Dual modulus prescaler
A dual-modulus prescaler (100) has improved performance for high-speed operation. A timing signal is developed from a flip flop circuit (106) two and one-half...
Modular switch element for shared memory switch fabric
A modular switch element (12) is programmable to operate in conjunction with varying numbers of other modular switch elements in a shared memory switch fabric...
Method for automatically selecting channel powers in a wireless
The method operates in a wireless communication system serving a geographic area. The system includes first and second communication units within the geographic...
Power conversion integrated circuit and method for programming
A single input pin (48) provides multi-functional features for programming a power supply (10). By connecting the appropriate interface circuit (92, 100, or 112)...
Data processing system having display controller with bursting direct
A data processing system (20) has a display controller (28) that uses bus arbitration and data bursting to supply display data for refreshing an LCD screen (49),...
Display driver having a low power mode
A display driver circuit (100) includes N scanning drivers (150) for driving a scanning set of display electrodes of a display panel (160) with a set of scanning...
Selective call receiver having selectable displays
A selective call receiver (100) comprises a receiver (104) for receiving a message and a controller (112) having the capability of determining the length of a...
Power amplifier circuit with temperature compensating level shifter
A power amplifier circuit (200) for amplifying a radio frequency (RF) signal received at an input (208) into an amplified RF signal at an output (210) includes a...
Data processor having an output terminal with selectable output
A data processor has at least one output terminal which a user of the data processor can vary the output impedance thereof depending upon the application...
Accessory identification apparatus and method
An accessory identification apparatus (195) used in an electronic device (102) includes a connector (122) to couple to an accessory (104) and a controller (108)...
Stand-alone spacer for a flat panel display
A stand-alone spacer for use in a flat-panel display includes a plurality of members being joined at a common axis. A first one of the members is a load-bearing...
Ceramic composition with low dielectric constant and method of making
Multiphase ceramic materials for use in electronic applications such as patch antennas and multilayered ceramic devices may be fabricated by providing a novel...
Modified noble metal catalyst based calorimetric sensor and method
A modified noble metal catalyst based calorimetric sensor for sensing non-methane hydrocarbons in an automotive exhaust gas stream includes a first sensing...
Device for manipulating a wound coil
A device (10) for manipulating a wound coil (18) includes a mechanism for grabbing a wound coil (18), a first pair of opposed fingers (12), and a second pair of...
Quality control system employing bi-directional messaging using empty
A quality control system (104) comprises at least one test system (107) and a host computer (122) having a database (130), coupled via a communication link...
Pronunciation measurement device and method
Upon selection of an expression for pronunciation training, a look-up operation is performed in a speaker database (15) to obtain a predetermined model for...
Method and apparatus for geographic based control in a communication
A selective call transceiver (20) in a messaging system (100) having a plurality of transmitters (90, 94, 99), comprises a receiver module (26), a transmitter...