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High capacity battery
Optimized computation of first and second divider values for a phase
locked loop system
Given a target frequency (F.sub.VE), a reference frequency (F.sub.R), an error limit (E.sub.L), and a first divider range (150), a first (R) and a second (N)...
Log converter utilizing offset and method of use thereof
A digital log converter is provided which includes a comparator (10) and a log signal generator (20). Upon receiving a digital input signal (12), the comparator...
Low complexity MBE synthesizer for very low bit rate voice messaging
A MBE synthesizer (2200) for generating speech from information received by a receiver (114) includes a voiced signal generator (2280) for generating voiced...
Portable radio telephone having improved speaker and housing assembly
for handsfree and private operation
A portable radio telephone is adapted to provide handsfree operation and adapted to be held against a user's ear to provide private operation. A housing of the...
Suppression of noise between phase lock loops in a selective call
receiver and method therefor
A synthesizer (100) is used for generating a plurality of synthesized clock signals (128, 156). The synthesizer includes a clock source (102) for generating a...
Transmit and receive payload pair and method for use in communication
Transmit, receive, and processing functions of a communication satellite are performed by two communication payload satellites. A transmit payload satellite (20)...
Interconnect substrate with a single contact accessible in an upper and
an end surface
An interconnect substrate is provided. The interconnect substrate has a first surface with a conductive path and an end surface. The first surface and the end...
Radio communication system
A radio communications system that utilizes multiple cells to provide radio communication services to a plurality of mobile stations. In the cells that service...
Method and system for allocating transmit power to subscriber units in a
wireless communications system
In a transceiver in a wireless communications system, data is transmitted from the transceiver to subscriber units, wherein each subscriber unit has a requested...
Bottom insert belt clip mount on battery
A belt clip (100) attaches to a battery housing of a communication device to be worn by a user. The belt clip (100) includes a base (104) and a flexible spring...
An antenna arrangement for a portable radiotelephone (100) is disclosed. In particular, the antenna arrangement generally includes a movable antenna element...
Power amplifier with variable input voltage source
A power amplifier circuit (10) utilizes a step-wise variable voltage source (22) to improve amplifier (14) operating efficiency. In one preferred embodiment, an...
Load limiting circuit and method for limiting the output impedance seen
by an amplifier
A load limiting circuit (56) and method for limiting the output impedance seen by an amplifier (12), wherein a load limiting impedance (64), preferably a...
Organic electroluminescent device with enhanced performance
An organic electroluminescent device with enhanced performance includes anode and cathode electrodes with organic material, single or multiple layers, positioned...
Semiconductor device having a sub-chip-scale package structure and
method for forming same
A semiconductor device (1) has a sub-chip-scale package structure, wherein the substrate (50) has at least one of an X dimension and a Y dimension smaller than a...
Method for manufacturing a high dielectric constant gate oxide for use
in semiconductor integrated circuits
A method for forming a gate dielectric (14b) begins by providing a substrate (12). A high K dielectric layer (14a) is deposited overlying the substrate (12). The...
Battery cell housing
A one-piece housing for a rectangular battery cell with circuitry disposed on its side is described. The top side of the housing is a protective ledge, covering...
Antenna coupling system
An antenna coupling system including an antenna stem (108) with a raised wall (206) having an opening (210) therethrough and defining a plurality of key...
Electronic device with dual card reader employing a drawer
To accommodate two different electronic cards, such as a subscriber identity card and a flash memory card, in an electronic device (100), such as a cellular...
Radio messaging unit
Method and apparatus in a wireless communication system for reducing
errors caused by intersymbol interference...
A controller (112) controls (706) at least two transmitters (302) to transmit at least two simulcast signals (502, 504) during a time period. The at least two...
Method and apparatus in a radio communication system for synchronizing
transmissions while maintaining full...
A base station (214) synchronizes a data stream of a second transmitter (202) with that of a first transmitter while maintaining full user traffic through a...
Method for wavelength division multiplexing utilizing donut mode
vertical cavity surface emitting lasers
A method for wavelength division multiplexing including the steps of providing at least two annular waveguide or spatially donut mode and spectrally single mode...
Multichannel time shared demodulator and method
A multichannel time shared demodulator (10) is implemented in an efficient ASIC architecture that provides routing-of user voice channels and access channels to...
Time domain source matched multicarrier quadrature amplitude modulation
(QAM) method and apparatus
A multicarrier transmission system (100) routes data symbols from a data source (142) to a multicarrier modulator (145). Each modulator (201, 202, 203) within...
Vertical cavity surface emitting laser with doped active region and
method of fabrication
VCSEL for high speed operation and method of fabrication including a substrate element, a first stack of distributed Bragg reflectors disposed on a surface of...
Overvoltage protection device and method for increasing shunt current
An overvoltage protection device (40) and a method for increasing the overvoltage current the device can carry. The overvoltage protection device (40) includes a...
In-situ endpoint detection for membrane formation
A method of in-situ endpoint detection for membrane formation including directing light from a light source onto one side of a membrane structure having at least...
Video overlay circuit and method for overlaying a video signal
A video overlay circuit (110) overlays a first video signal (COMPVID) with a second video signal (LUM2, CHROM2). The first video signal is partitioned by...
Method and apparatus for producing wide null antenna patterns
An enhanced digital beamformer (EDBF) (210, FIG. 2) is provided for use in a transceiver subsystem (200, FIG. 2) for mitigating interference and increasing the...
Selective call device and method for providing a stream of information
A selective call device (130) has a receiver (204) for receiving information at a first rate and a switch (229, 230) for selecting a streaming mode for providing...
Radio frequency filter and apparatus and method for cooling a heat
source using a radio frequency filter
The filter includes a housing (13) defining a cavity (14). The housing has a fluid inlet orifice (22) and a fluid ou let orifice (24) therein. At least one...
Method and control circuit for controlling an emission current in a
field emission display
A method for controlling an emission current (134) in a field emission display (100) includes performing at start-up the steps of providing at an anode (138) a...
Switching method using a frequency domain piezoelectric switch
A frequency domain switch (100) utilizes an array of cantilevered beams (108) laminated with a piezoelectric material (126). Each of the beams has a unique...
High pressure coaxial fuel cell
A fuel cell (20) can be constructed to be generally formed in the shape of a solid cylinder. The fuel cell has a porous central core (22) of reticulated vitreous...
Molecular sensing apparatus
A molecular sensing apparatus comprises a first electrode (10), a second electrode (12), a first molecule (20), a second molecule (22), and a third molecule...
Automatic scheduling of instructions to reduce code size
Scheduling instructions by eliminating COPY instructions to reduce code size and increase performance in a computer program compiler. According to one embodiment...
Method of providing uniform emission current
A method or providing uniform emission current from a plurality of electron emitters with a composite current voltage characteristic (620), which include surface...
Cellular telephone housing
Paged memory data processing system with overlaid memory control
A data processing system has a CPU (12) that accesses memory (16-18) through a memory management interface (14). The memory management interface (14) supports...
Fault tolerant serial arbitration system
A serial arbitration system utilizes an arbitration token containing a start bit, a request bit, a set of priority bits, and an error detection bit. The...
SIMD computation of rank based filters for M.times.N grids
One way of filtering graphics images to remove pixel dropout and shot noise while preserving overall image quality is to use non-linear filters based on rank...
Speaker assembly for a radiotelephone
A speaker (302) is arranged in an enclosure formed by a front housing portion (200) and a rear housing portion (202), so that an air-gap is between a diaphragm...
Communication method and apparatus utilizing protocol options
Originating and terminating units (32, 36) communicate through a network (22) containing satellites (46, 50, 52) and gateways (44, 48). The network (22) receives...
Method for updating forward power control in a communication system
A method for updating power control at a base transceiver station in a communication system is provided. A base transceiver station transmits a signal frame. A...
Network protocol method, access point device and peripheral devices for
providing for an efficient centrally...
A network protocol method (300), access point device (600) and peripheral devices (700, 800) provide an efficient centrally coordinated peer-to-peer wireless...
Molded housing with integral heatsink
A plastic housing assembly is constructed with a non-plateable plastic wall portion (101), and a plateable plastic wall portion (107) positioned abutting (109)...