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Faceplate for a radio telephone or similar articles
Method and apparatus for generating parity-check bits from a symbol set
The present invention encompasses a method for determining values for parity check bits (p.sub.1, . . . , p.sub.m) based on a current symbol set (s.sub.1, . . ....
Chart parsing using compacted grammar representations
A chart parser and a method for generating a parse chart for a sequence of input symbols in accordance with an abbreviated representation of a grammar. According...
Speaker configuration for a portable electronic device
A portable device includes a speaker with an active vent fed by a front of a speaker diaphragm and a larger passive vent fed by a rear of the speaker diaphragm....
Method and apparatus for providing speech quality based packet enhancement
in packet switched networks
An apparatus (200) checks voice quality when in a vocoder bypass mode. If the voice quality level is beyond an acceptable range, the apparatus (200) ends the...
Apparatus and method for estimating the time of arrival of a spread
spectrum signal in a wireless communication...
A threshold tracking loop (TTL) (400) for detecting the time of arrival of a spread spectrum wireless communication signal includes a pseudo-noise (PN) generator...
Wireless communication system incorporating multicast addressing and method
A Packet Network for use in association with a wireless communication system employs packet distribution and call set-up methods optimized to select from a...
Method and apparatus for delivering a subscriber-customized group message
in a selective call messaging system
A selective call messaging system delivers (602, 604, 606) a master message (324) addressed to a first group of subscriber units (102) and a corresponding...
Thermal dissipation package for an electrical surface mount component
An electronic component (202), such as a power transistor, is formed of a molded plastic package having top (206), bottom (204) and side (208) surfaces and...
Network control having selective reverse mobile frame biasing
Selective reverse mobile frame biasing is provided for improved network control between a mobile unit (102) and a base station (132) responsive to power control...
Method of wireless communication in restricted wireless zones
A method of wireless communication in restricted wireless zones (102) includes providing a restricted wireless zone communication system (104) having one or more...
Method and apparatus for operating a lost mobile communication device
An apparatus and method of operating a lost mobile communication device. A lost mobile communication device message can be received at the receiver of the mobile...
Wireless communication device and method having coordinated primary and
A wireless communication device (10) includes a radio frequency transceiver (22) adapted for burst transmission responsive to a control signal in accordance with...
Multiple format secure voice apparatus for communication handsets
Multiple format secure voice apparatus for communication handsets includes a core unit with a speaker, a microphone, a keypad, and a display. The core unit also...
Speaker-phone base for a portable telephone
A speaker-phone base for supporting a portable telephone electrical interface, in which the interface having an interface electrical power connector and an...
Method and apparatus for radio communications
A method (and apparatus) of receiving (and/or transmitting) a wanted modulated radio frequency signal with reduced locally generated noise. In the case of...
Method for transmitting collision-free messages in a communication system
and apparatus therefor
A plurality of wireless transceivers (114) for communicating messages to SCRs (Selective Call Radios) (116) include a radio transceiver (402, 404, 406, 408), and...
Preemptive power-up method for protecting system users from sudden high
A method is provided for preemptively protecting mobile units within a wireless communication system from interference caused by sudden high speed data...
Method of minimizing facsimile image corruption in CDMA systems
The present invention is for transmitting facsimile data over a wireless interface in a manner that minimizes the occurrence of time outs caused by wireless...
Methods and apparatus for filtering electromagnetic interference from a
signal in an input/output port
Methods and apparatus are provided for filtering electromagnetic interference (EMI) in an input/output port such as a uniform serial bus (USB) port. An...
Display and method of manufacture
A field emissive display (40) having an anode plate (10) coupled to a cathode plate (20) and a method for manufacturing the field emissive display (40). A...
Heater for temperature control integrated in circuit board and method of
Circuit boards (1100, 1500, 1600, 1700) and methods for fabricating circuit boards that include heaters for maintaining temperature sensitive components at an...
Thinned semiconductor wafer and die and corresponding method
A wafer (10) having integrated circuit elements formed therein is thinned and a first carrier (41) is adhered thereto. The first carrier (41) facilitates...
Cradle for a communication device
Handover determination and power control adjustment in mobile
communications systems with frequency hopping
A device (5) for triggering a handover or for adjusting transmit power levels in a cellular communications system distinguishes between the use of a frequency...
Method for indicating unusable sites to communication units in a
From an unusable site, one or more communication units selects a usable site, thereby reducing missed communications. First, a manager determines (201, 401, 601)...
Communication system that provides extra protection when transmitting
According to the present invention, different frequency reuse patterns are used when scheduling critical and non-critical data transmissions. More specifically,...
Flexural plate wave systems
An exemplary system and method for providing an acoustic plate wave apparatus is disclosed as comprising inter alia: a monocrystalline silicon substrate (200);...
Micro electro-mechanical system with one or more moving parts method and
A meso-scale MEMS device having a movable member (51) is formed using standard printed wiring board and high density interconnect technologies and practices. In...
Wireless accessory for a communication device
Dual rate periodic ranging system to reduce time to ascertain cable modem
In a cable modem system, a method and apparatus is provided to reduce the time to ascertain modem failure by sensing ranging nonresponses and increasing the...
High availability redundant array of data storage elements that bridges
In a high availability redundant array of data storage elements, one of a plurality of storage element controllers (FIG. 1, 110, 120) is interfaced to a...
Fault detection system having audio analysis and method of using the same
A fault detection method for determining whether a fault exists with a rotating element of a vehicle that includes a transduce, a diagnosis sampler, and a...
Method and apparatus for controlling data rates to preserve voice quality
in a CDMA system
A method of protecting voice calls in danger of being dropped from a cell of a wireless communication system due to high speed data users. The method including...
Method for validating an application for use in a mobile communication
A wireless domain (602) sets a security policy for all mobile communication devices (606) within the domain by use of a system entry proxy server (604). A...
Time recovery circuit and method for synchronizing timing of a signal in a
receiver to timing of the signal in...
The present invention is a time recovery circuit and method for synchronizing timing of a signal in a receiver to timing of the signal in a transmitter. A...
Spread spectrum receiver architectures and methods therefor
Methods and architectures for code phase searching spread spectrum signals having a repeating sequence of bits. The signals are searched virtually in parallel by...
Packet scheduler and method therefor
This invention relates to a packet scheduler and method therefor and in particular a scheduler for a Code Division Multiple Access cellular mobile communication...
Electromagnetic baffle for printed circuit boards
An electromagnetic baffle arrangement includes a lid (22) having a trough or air gap (30) in the side walls of each cavity (23) of lid (22). Conductive strips...
A master authenticator (10) is worn by a user and wirelessly transmits information associated with the user to a remotely located electronic device. The master...
High Q resonator circuit
A resonator circuit (10) has a pair of varactor diodes (13, 14), a capacitor (15), and a transformer (20) coupled in parallel with the capacitor and varactor...
System and method for coarse tuning a phase locked loop (PLL) synthesizer
using 2-PI slip detection
A system for coarsely tuning at least one voltage controlled oscillator (VCO) (211) in a phase locked loop (PLL) synthesizer (200) that includes a ...
Radio frequency power amplifier active self-bias compensation circuit
An active bias compensation circuit for use with a radio frequency ("RF") power amplifier, the RF amplifier having an input (112), an output (116), a first...
Method of separating and handling a thin semiconductor die on a wafer
A method of separating a thin die (20, 60) from a support body (72) of a semiconductor wafer (70). The thin die (20, 60) being initially attached to the support...