At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.
Vehicular adaptor station for a portable communication device
Method and system for reducing power consumption of a non-blocking cache
within a data processing system
A method and system for reducing power consumption of a non-blocking cache memory within a data processing system is disclosed. In accordance with a method and...
Method and system for coupling a selective call receiver to widely
distributed information sources
A communication system (10) for coupling a selective call transceiver (18) to a widely distributed information source (24) comprises a server (22) coupled to the...
Cellular radio system using common radio backbone
A communication system employs a method and apparatus for exchanging communicated signals between a communication unit (e.g., 17) and a central site (205). A...
Transmission and reception of signals in a communication systems
A dual-mode mobile station (125) transmits an AMPS signal (Td AMPS) concurrently during transmission of a DS CDMA signal (Td DS CDMA) for purposes of handoff of...
System and method for enhancing ring alert terminations
A communication system including a constellation of satellites and a multi-channel unit having a plurality of co-located transceivers operative for exchanging...
Method for state-based oriented testing
An object oriented test provides a hierarchy of classes under test, each of the classes under test having a predefined inheritance structure. The test provides a...
Data compression system, method, and apparatus
A data compression system 200, method, and apparatus 214 employs an encoder 210 optimized to decorrelate and make independent from the original signal 202, the...
Text compression transmitter and receiver
A text compression technique used in a transmitter subsystem (126, 148) and a receiver subsystem (132, 158) for compressively encoding and decoding a text...
Alphanumeric message composing method using telephone keypad
An interactive method for composing an alphanumeric message by a caller using a telephone keypad includes storing (215) a lexical database (135) from which...
Method and apparatus for multirate data communications
In one embodiment a system is provided for multirate communications allowing for different data rates for each data unit on a channel, including both data units...
Method and apparatus in a communication receiver for compensating for
channel amplitude and phase distortion
A radio signal is digitized and filtered to derive a digitized pilot signal (210) modulated by channel amplitude and phase distortion. A numerator and a...
Method and apparatus in a communication receiver for adjusting an
operating attribute at a predetermined...
A method (600) that adjusts, at a predetermined boundary of a protocol utilized in decoding information from a signal received by a receiver (122), a symbol rate...
Wireless modem and method therefor for routing data to an application or
An application registry (226) is programmed (504) into a wireless modem (124) and includes routing information for routing data, based upon data type, to an...
Method and apparatus for encoding rate determination in a communication
A method and apparatus of determining an encoding rate associated with a received signal (12), where the method including the steps of demodulating in a...
VCSEL with integrated photodetectors for automatic power control and
signal detection in data storage
A VCSEL with a vertically integrated photodetector and at least one laterally integrated photodetector, including first and second stacks of DBRs and an undoped...
Low cost, efficient vertical cavity surface emitting laser package,
method, bar code scanner and optical...
The present invention provides a low cost, efficient vertical cavity surface emitting laser package (300) and manufacturing method, the package having a head...
Method and apparatus for correcting a measured round-trip delay time in
a wireless communication system
Correction of a round-trip delay within a communication system (100) takes place by receiving an uplink communication signal (119) over uplink communication...
Method and apparatus in a radio messaging system for forming a current
frame of data while maintaining a...
A processor (208) selects a candidate message (214) from a message queue (212), and tests (306) whether an available space (216) in the current frame of data is...
Service detection circuit and method
A radiotelephone (121) employs a service detection circuit (125) comprising at least one chip-rate detector (109) that measures the energy of the autocorrelation...
Method and apparatus for adjusting data rate in a synchronous
A method and apparatus are for receiving a portion of a message by a call receiver (2). A radio signal is intercepted (910) which is modulated with a...
Comparison circuit utilizing a differential amplifier
A pipelined dual port integrated circuit memory (20) includes an array (30) of static random access memory (SRAM) cells. A control circuit (32) controls access...
Pager supported traffic signal controller
A local traffic signal controller (3) is interfaced to a conventional pager (16) to provide for centralized control of the traffic signals controlled by the...
Band centering frequency multiplier
A frequency multiplier (120) having a tunable resonant circuit (122), is anticipated for use with a frequency synthesizer (100) having a Voltage Controlled...
Power amplifier output module for dual-mode digital systems
A power amplifier output module 200 having low insertion loss and self-shielding properties for dual-mode digital systems is provided. Module 200 has a first...
Control circuit and method for a temperature sensitive device
An embodiment of the present invention is a switching power supply that includes a power switching device and a control circuit to control the power switching...
Leadframe, method of manufacturing a leadframe, and method of packaging
an electronic component utilizing the...
In order to package an electronic component, a leadframe is provided having at least one flag portion (2) and at least one lead portion (7) extending towards the...
Ferroelectric semiconductor device
A ferroelectric semiconductor device (10) and a method of manufacturing the ferroelectric semiconductor device (10). The ferroelectric semiconductor device (10)...
Ball grid device with optically transmissive coating
A semiconductor device (10) coupled to ball grid array substrate (11) and encapsulated by an optically transmissive material (29, 31). The ball grid array...
Process for forming a semiconductor device
A method for forming an oxynitride gate dielectric layer (202, 204) begins by providing a semiconductor substrate (200). This semiconductor substrate is cleaned...
Carbon electrode material for electrochemical cells and method of making
A method (50) of fabricating a carbon material for use as an electrode in an electrochemical cell (10) includes the steps of carbonizing (62, 66) a lignin...
Oven for reflowing circuit board assemblies and method therefor
An oven (100) for reflowing circuit board assemblies (102). Air is pumped into a heating chamber (104) from which the air is then communicated through one or...
Speaker microphone for a portable communication device
Provision of distributed call handling over a plurality of network nodes
The following describes an apparatus for and method of providing and supporting distributed call handling over a plurality of network nodes (401, 403, 405, 407,...
Method for a subscriber unit to compile message fragments transmitted
from different zones
Subscriber units (14) can roam from zone (A) to zone (B) and accurately compile fragments of a message that includes fragments transmitted from both zones....
Data processing system having a trace mechanism and method therefor
A data processing system (10) having an access protect unit (20) for tracing memory accesses. A trace bit (50) is associated with each page of memory and when...
Method and apparatus for freeing a frame to aid in handoff determination
in a code division multiple access...
A mobile station (106) in a code division multiple access (CDMA) communication system (100) implements scanning of pilot channels on a different frequency by...
Method of communication resource assignment
In a communication system, a method comprises the steps of receiving (401) at least one information bundle intended for subsequent outbound transmission,...
Method for manufacturing a semiconductor component and automatic machine
program generator therefor
An automated machine program generator (10) and a method for optimizing the manufacture of articles. The automated machine program generator (10) includes a data...
Method of improving viewing angle and contrast of liquid crystal displays
A novel method of driving an LCD simultaneously provides improved viewing angle and improved contrast. Multiple driving voltages are applied to the LC cell to...
Manually controllable cursor and control panel in a virtual image
Portable communication equipment having a virtual display including display electronics and optics for providing a virtual image in the display, a virtual...
Method and system for beamformer primary power reduction in a
nominally-loaded communications node
A communications node (FIG. 1, 5) communicating with an individual subscriber unit (80) determines that a nominal-load condition exists. The communications node...
Position locating rescue transceiver
A secure, portable position locating radio has a geolocation receiver providing local position and timing information from geolocation means (e.g. GPS...
Food storage apparatus and methods and systems for monitoring a food item
A food storage apparatus (22) comprises a container (26) to contain a food item (20), a humidity sensor (34) to sense a humidity within the container (26), and a...
Peak detector circuit
A peak detector circuit (100) includes an output transconductance amplifier (102), a current rectifier (104) and an averaging circuit (108). The current...
Apparatus and method for digital control of a power converter current
A digital control circuit is used for controlling the load current of a power converter circuit (102), and comprises a reference circuit (302), analog comparator...
Battery charging method using battery circuitry impedence measurement to
determine optimum charging voltage
A charging technique (200) charges a battery pack (102) by taking into account the additional internal circuit impedance of the battery pack. An optimum pack...
Inverter control method for electronic ballasts
A method (100) of controlling an inverter in an electronic ballast for at least one gas discharge lamp protects the inverter from damage due to lamp fault...
Power supply and electronic ballast with high efficiency voltage
An electronic power supply (10) comprising a rectifier circuit (100) and a voltage converter circuit (200). Voltage converter circuit (200) comprises a first...
Reaction propulsion motor and apparatus for using the same
A reaction propulsion motor (200) utilizes a taut armature reciprocating impulse transducer (100) having a motional mass (18) to generate an excitation force in...