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Apparatus and method for spectrum management in a multipoint communication
The apparatus (101) and method for spectrum management in a multipoint communication system controls upstream channel usage for secondary stations (110)...
MTJ stacked cell memory sensing method and apparatus
Apparatus and method of reading the state of each cell in a stacked memory comprising stacks of cells in an addressable array with each stack including MTJ...
Methods and devices for controlling a head position actuator of a disk
A data storage apparatus includes a servo controller (160) coupled to an actuator (190). The servo controller (160) provides control command signals to the...
Automatic modulation control of sync suppressed television signals
The depth of modulation and the absolute RF carrier level of an amplitude-modulated video signal are automatically adjusted. For adjustment of the depth of...
Method and apparatus for implementing a graphical user interface keyboard
and a text buffer on electronic devices
A method and apparatus for implementing a graphical user interface keyboard (10) and a text buffer (12) on an electronic device. A character that is active upon...
Combined mechanical scanning and digital beamforming antenna
A mechanical scanning and digital beamforming antenna (20, FIG. 2) uses a receive and transmit digital beamforming network (FIG. 3, 410, 320) to provide...
Remote keyless entry user-transparent auto re-synchronization apparatus and
A method of user-transparent auto re-synchronization for a remote keyless entry system includes assigning a default challenge-count window (101). A first data...
Variable delay module
Variable delay module (100) includes a clock generator (110), input A/D converter (120), buffering circuit (190), and output D/A converter (160). Clock generator...
An output buffer (200) having a protection circuit (228, 230, 232) which adjusts control of an output drive circuit (224,226) in response to external voltages on...
Method and apparatus for testing an integrated circuit with a pulsed
Amplitude modulated optical beam induced current (AMOBIC) created by irradiating an internal PN junction of an integrated circuit (IC) (20) is used to determine...
Battery pack for a portable communication device
Method and apparatus for leveraging history bits to optimize memory
A method and apparatus that improves either power savings and/or DRAM system access bandwidth in an embedded DRAM device. The apparatus (200, 800, or 900)...
Method and apparatus utilizing a flash memory device to maintain
accurate unit timing
A method for re-programming a memory device in a micro-controller system is provided. The method includes the steps of installing a software RTC service routine...
System for communicating with and initializing a computer peripheral
utilizing a masked value generated by...
A system, device, and method allowing a host device to communicate with, and initialize, an uninitialized peripheral device includes, on the peripheral device,...
Method and apparatus for updating site ranking factors in a wireless
A subscriber unit (300) receives an inbound transmission feedback message regarding at least one inbound transmission made by the subscriber unit (401). Based on...
Method and system for initiating a data transfer in a cellular
In a wireless telecommunications system (40), a subscriber unit (44) transmits a request for a data connection (10) to cellular infrastructure equipment (46),...
Method and apparatus for determining a location of a communication unit
in a wireless communication system
A wireless communication system (100) that includes a plurality of base sites (101-103) employs a method and apparatus for determining a location of a...
Method and apparatus for controlling scanning of a subscriber unit
A location is determined (402) at which a subscriber unit (122, 300) communicating with a first wireless system is positioned. A distance between the location...
Method for demand channel change for a radio telephone
A radiotelephone system (100) includes a radiotelephone (102) and a central device (104) that communicate via radio frequency (RF) signals. The radiotelephone...
Method and apparatus for providing additional information to a selective
call device about a broadcast
A technique is used in a selective call communication system (100) and in a broadcast communication system (106) to provide additional information about a...
Method and apparatus for global message monitoring
A method and apparatus for providing global message monitoring in a paging system includes a message origination and delivery device (MODD) (20). The MODD (20)...
Multi-channel digital transceiver and method
A multi-channel digital transceiver (400) receives uplink radio frequency signals and converts these signals to digital intermediate frequency signals. Digital...
Dynamic bit allocation for statistical multiplexing of compressed and
uncompressed digital video signals
The present invention relates to a method and apparatus for allocating bits in a statistical multiplexing system (stat mux). A statistical multiplexer (stat mux)...
Conservation of power in a serial modem
A serial modem (14) having a phase-locked loop (22), a central processing unit (20), a serial buffer (26) and a universal asynchronous receiver transmitter...
Apparatus and method for transmitting data
A communication system (100) comprises a processor (150), a channel memory (160), a communication line (180), a transmit connect table (146), a transmit...
Methods and apparatus for facilitating transmission of cells having
multiple priorities in a cell relay network
A cell relay network (38, FIG. 2) transmits cells having different priorities through a single virtual connection using several methods (100, FIG. 4; 200, FIG....
Optical display device having prismatic film for enhanced viewing
The display device includes an optical cell having a cell front with at least one cell region being capable of an optically transmissive mode and an optically...
Sensing circuit for capturing a pixel signal
A sensing circuit (202) uses correlated double sampling to sample a first pixel signal of a pixel stream (V.sub.PIXEL) at two different times to produce a dark...
High-persistence display circuit and method to therefor
A display circuit, and associated method, including a high-persistence display element, such as a liquid crystal display device, which visually displays...
Antenna shroud for a portable communications device
An antenna shroud (100) used for covering an antenna element includes a hollow non-conductive sheath (101) attached to a base (103). The base (103) is used for...
Antenna detent and latching mechanism for a radiotelephone
An antenna detent and latching mechanism for use in a radiotelephone to provide a robust connection of an antenna to the radiotelephone. When the mechanism and...
Method and apparatus for providing DC offset correction and hold
A direct current (DC) offset correction loop (200) for determining the required amount of DC offset to an analog input signal includes a digital integrator (211)...
Method and apparatus for displaying a message which has been received
A communication device such as pager (100) includes a controller (110) which helps decode an incoming message having important information and stores it in...
Power amplifying circuit with supply adjust to control adjacent and
alternate channel power
A power amplifying circuit with supply adjust for control of adjacent and alternate channel power. A power amplifier amplifies an input signal to produce an...
Integrated circuit and method therefor
A temperature sensor having a process compensated current generator (37) for use in a temperature sensing circuit (35) and a current comparator (40). The current...
Circuit arrangement to compensate non-linearities in a resistor, and
A circuit arrangement (100) is coupled to a resistor (150) having at least two portions (110, 120). The arrangement (100) provides a substantially linear...
Method for testing a semiconductor device and semiconductor device
A test substrate (30) including a plurality of solder bumps (38) is used to test a die (10) which can be used as either a wire-bonded device or a flip-chip...
Method and apparatus for testing a semiconductor wafer
A probing apparatus includes a prober (210) and a test head (130) that includes a test head mother board (132). A load board 218 and a probe card (216) are...
Battery conditioning scheme
A portable radio (306) provides a selectable and/or automatic battery conditioning mode of operation (400). Battery conditioning is achieved by discharge state...
Distributed airbag firing system and interface circuit therefor
A distributed airbag firing system (10) includes a controller (12) receiving sensor signals from a sensor (20) over a two-wire bus (18). The controller provides...
Two step wire bond process
A two step wire bonding process is used to ultrasonically attach a wire (18) to a contact pad (13) on a semiconductor device (10). A first step is used to...
Magnetic random access memory and fabricating method thereof
An improved and novel fabrication method for a magnetic element, and more particularly its use in a magnetoresistive random access memory (MRAM) is provided. An...
Method and apparatus for making internal connections within a battery
A battery pack which provides for the making of internal connections within the battery pack includes a plurality of apertures (206) having battery pack contacts...
Process of forming a semiconductor device
A film is formed over a substrate using a physical vapor deposition method. When using ionized metal plasma physical vapor deposition, the deposition chamber...
Method of making electrochemical cells with self-imposed stack pressure
A method of fabricating a wound cell that retains its shape includes the steps of employing a heat-shrinkable porous membrane as the cell separator, and heating...
System for providing a removable high density electrical interconnect
for flexible circuits
A high density electrical interconnect is achieved by incorporating a flexible circuit (140) that is removably connected to a low insertion force, ball grid...
User interface card for use with a device
A card (922) comprises a body (909). A connector (522) is carried on the body for coupling to a communication device (900). A user interface including a keypad...
Method and apparatus for transferring data over a processor interface bus
A method of transferring data between a slave device (20) in communication with a processor interface bus (34) where the processor interface bus is in...
Adaptive rate system and method for wireless communications
A system and method for determining operating parameters to control a communication rate for an adaptive rate communication system includes a transmitter (101)...