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.
Method for indicating availability of updated software to portable
wireless communication units
In a wireless communication system (100), updated software is downloaded to a server (104). In response to a software update query sent by the server, a portable...
Multi-channel echo canceler and method using convolution of two training
A two-wire line and a four-wire line telephone system interface with each other through a hybrid (12). After a connection between the two and four-wire line...
Network node for packet switching with selective data processing and
A packet switching communication network (10) includes a number of switching nodes (16). The switching nodes include a switch (18) and at least one data...
Method and apparatus for reducing power dissipation in a
precharge/discharge memory system
Method and apparatus for selectively inverting memory bits (41-49) in a memory (14). In one embodiment a master reversion bit (75) is used to indicate if all...
Slidable cover for a battery housing
A wraparound battery cover (10) which slidably attaches to the lower portion (24) of a housing (20) is provided. The radio cover comprises a front side (12) and...
Power down protection circuit for an electronic device
An electronic device (102) includes a power supply (114), an amplifier circuit (132), and a power down protection circuit (160). The power supply (114) supplies...
A clock driver circuit (100) comprises an input (102) for a reference clock signal. A filter (106) is connected to the input to receive the reference signal and...
Microelectronic assembly including polymeric reinforcement on an
integrated circuit die, and method for forming...
A microelectronic assembly (10) includes an integrated circuit die (12) mounted onto a substrate (14) by solder bump interconnections (32). The die (12) and the...
Low subthreshold leakage current HFET
A low subthreshold leakage current, p-channel HFET including a GaAs supporting substrate with a first GaAs buffer layer and a first Al.sub.0.75 Ga.sub.0.25 As...
Battery latch assembly for two-way radio
A removable battery package (120) has a latch assembly (200) for attaching to a latch coupler (700) of an electronic device (110). The removable battery package...
Method of fabricating semiconductor devices and the devices
Fabricating a device including a Schottky diode by growing a dielectric film on a SiC substrate structure and forming an ohmic contact on the opposite surface of...
Method of forming a high performance, high voltage non-epi bipolar
A high performance, high voltage non-epi bipolar transistor including a substrate (12) with an n-type conductivity well (13) and an insulative layer (14) with...
Microelectronic package including a polymer encapsulated die, and method
for forming same
A microelectronic package (10) is formed and includes an integrated circuit die (12) attached to a substrate (14) by a plurality of solder bump interconnections...
Method for inspecting lead frames in a tape lead bonding system
In a tape lead bonding system, lead frames (3) are moved on a tape substrate (2) from a first station, where a first camera (12) takes an image of one half of...
Telephone handset hang-up device and card reader
Cellular telephone housing
Radiotelephone housing portion
Housing for a two-way radio communications device
Communication device for different sized cards
A communication device (100) includes a card reader (102). The card reader includes a card support (104) for a first sized subscriber card (101). The card reader...
Method and apparatus for enhancing the detection of the presence of an
FM signal using a coded pattern
Enhanced detection of an FM signal is provided through the use of a coded pattern signal which is processed at a receiver (120) non-linearly to facilitate...
Independent satellite-based communications systems sharing common
frequency spectrum and method of operation...
Multiple, different, independent constellations (10, 20) of satellites (2, 21-23) share a portion of a common frequency spectrum such as a single carrier...
Interactive image display system
An interactive image display system includes a user interface to select a portion of a wide-angle image sequence. An image processor processes the portion of the...
Method and apparatus for controlling bus arbitration in a data
A method of controlling bus arbitration using an arbitration bit to lock ownership of the bus and prevent bus grants pending completion of a predetermined...
Method and apparatus for canceling signals in a spread-spectrum
A subscriber's signal (117) is removed from a composite signal (120) received in a serving base station (100), where the subscriber (113) is not in communication...
Method and apparatus for analyzing a composite carrier signal
A communication system receives and codes a plurality of information signals according to coding assignments to produce a plurality of coded baseband signals....
Data processing system having an auto-ranging low voltage detection
A Voltage Range Detection Circuit (VRDC) (8) determines the supply voltage range of the integrated circuit. In general, voltage detector (10) determines the...
Antenna assembly for a portable communications device
An antenna assembly (100) includes a substrate (101) having a notched portion (103) and one or more attachment apertures (105). An antenna (107) includes a...
Method and apparatus to sense aircraft pilot ejection for rescue radio
A sensor apparatus to sense when an aircraft pilot has ejected is provided for safe actuation of a rescue locator radio. The ejection sensor apparatus (20) has a...
Common-mode output sensing circuit
A common-mode sensing circuit (504) of a clocked differential amplifier (602) includes a refresh circuit (604) which precharges a capacitance during a first...
Communication device with programmable function button and method of
A communication device (100) incorporates a programmable function button (105) that operates in conjunction with a display (102). The button (105) operates in an...
Automatically tuning a voltage controlled oscillator for minimum side
A VCO (Voltage Controlled Oscillator) (10) operates in a phase-locked loop at a desired frequency. One input to the VCO is a variable control signal (24) that...
Field emission display with getter frame and spacer-frame assembly
A field emission display (400) includes a cathode plate (410), an anode plate (430), and a mechanical support/getter assembly (300) being disposed between the...
Device and method for multiplying capacitance
A semiconductor device (400) and method are provided for multiplying a capacitance. A contact region (402) is formed in an island in a semiconductor substrate...
Process for forming a semiconductor device
A semiconductor device comprises a substrate (100), first conductive film (22 and 32) over the substrate (100), and a second conductive film (54 and 64) over the...
Method of manufacture of active matrix LED array
A method of fabricating an active matrix LED array includes forming layers of material on a substrate, which layers cooperate to emit light when activated. Row...
Housing for a portable communication device
Battery pack for a portable communication device
Data processing system having a cache and method therefor
A data processing system (20) has a cache (26) that does not use a TAG array for storing a TAG address as in a conventional cache. The cache (26), according to...
Apparatus and method for implementing a content addressable memory
circuit with two stage matching
A circuit and method is provided for implementing a content addressable memory circuit (100) in which at least one output word is produced which corresponds to...
Method and system for encoding a book for reading using an electronic
A method and system for encoding a book for reading by an electronic book having an internal machine-readable dictionary includes receiving data representative...
Method of reconstructing a managed information tree
A method of rebuilding a managed information tree includes steps of retrieving a unique key (304); testing to determine if a parent of the unique key exists...
Real time clock apparatus for fast acquisition or GPS signals
An apparatus for improving the acquisition time of GPS signals includes a GPS receiver (21) and a real-time clock circuit (30). The GPS receiver receives GPS...
Transmission power control method
A transmission power control method subdivides one or more transmission power steps as defined in a system specification into multiple sub-steps. A base station...
Baseband phase-locked direct conversion receiver with frequency offset
To generate a fixed frequency offset in a direct conversion receiver (200) a phase ramp representing the frequency offset if generated. This phase ramp is...
Fully integrated two-way radio transmitter utilizing current mode
transmit buffer and method of using same
A wideband fully integrated two-way radio transmitter (100) includes a voltage controlled oscillator (VCO) (101) for providing a voltage at a radio frequency. A...
Data communication apparatus and method thereof
A method and apparatus for reducing ingress noise (304) in the upstream frequency band and reducing power consumption in a cable communication system (200) by...
Method and apparatus for microprocessor debugging
A trailer microprocessor in a debugging tool runs code a known number of cycles behind a master and shadow pair of processors. A pipeline queues up bus activity...
Data processor with flexible data encryption
A data processor (20) which flexibly encrypts data within different address ranges includes an encryption determination circuit (50) to monitor an address...
Radio telecommunication network and method for unobtrusive call
interception via transcoder bypass
A digital cellular telecommunication network (30) uses transcoders (50) which vocode voice using a maximal lossy compression algorithm which conserves spectrum...
Apparatus and method for observing the mode of a memory device
A method and apparatus observes a mode register (102) in a synchronous memory device. A multiplexer (306) selects the value of the mode register (102) or the...