Patents--from SFX2000 om RB
Patent roll since 1/1/2001 for QCOM (jeez they've been busy group of engineers)
sfx
6,246,885 - Digital FM audio processing in a dual-mode communication system
6,246,673 - Method and system for handoff between an asynchronous CDMA base
station and a synchronous CDMA base station
6,243,561 - Offline page monitoring
6,243,430 - Noise cancellation circuit in a quadrature downconverter
6,240,387 - Method and apparatus for performing speech frame encoding mode
selection in a variable rate encoding system
6,240,143 - Method and apparatus for the reflection and transmission of quasi
orthogonal vectors
6,240,142 - Quadrature modulator and demodulator
6,240,071 - Subchannel control loop
6,239,755 - Balanced, retractable mobile phone antenna
6,239,748 - Method for use with analog FM cellular telephones
6,233,554 - Audio CODEC with AGC controlled by a VOCODER
6,233,549 - Low frequency spectral enhancement system and method
6,233,464 - Power on/off in combined PDA/telephone
6,233,456 - Method and apparatus for adjacent coverage area handoff in
communication systems
6,230,012 - IP mobility support using proxy mobile node registration
6,229,998 - Method and system for detecting in-band jammers in a spread spectrum
wireless base station
6,229,892 - System and method for detecting unauthorized access to a portable
electronic device
6,229,841 - Method and apparatus for energy estimation in a wireless receiver
capable of receiving multiple instances of a common signal
6,229,839 - Method and apparatus for time tracking
6,229,795 - System for allocating resources in a communication system
6,226,607 - Method and apparatus for eighth-rate random number generation for
speech coders
6,222,830 - Communication system using repeated data selection
6,222,741 - Mounting arrangement for microwave power amplifier
6,216,004 - Cellular communication system with common channel soft handoff and
associated method
6,215,779 - Distributed infrastructure for wireless data communications
6,215,777 - Method and apparatus for transmitting and receiving data multiplexed
onto multiple code channels, frequencies and base stations
6,215,454 - Multi-layered shielded substrate antenna
6,215,337 - Linear sampling switch
6,215,282 - Battery charging system employing multi-mode low power fast charge
process
6,212,659 - Method and apparatus for providing error protection for over the air file
transfer
6,212,412 - System and method for character case control in a wireless
communication device
6,211,820 - Call maintainance during position location
6,208,873 - Method and apparatus for transmitting reverse link power control
signals based on the probability that the power control command is in error
6,208,858 - System and method for reducing call dropping rates in a multi-beam
communication system
6,208,857 - Method and apparatus for performing position-and preference-based
service selection in a mobile telephone system
6,208,841 - Environmental simulator for a wireless communication device
6,208,699 - Method and apparatus for detecting zero rate frames in a
communications system
6,208,292 - Position location with low tolerance oscillator
6,208,202 - High efficiency switched gain power amplifier
6,205,339 - Method and apparatus for establishing TDD/TTY service over vocoded
channels
6,205,190 - System and method for reducing interference generated by a CDMA
communications device
6,205,186 - Decoding with partial state information on a convolutionally encoded
channel
6,205,130 - Method and apparatus for detecting bad data packets received by a
mobile telephone using decoded speech parameters
6,205,129 - Method and apparatus for variable and fixed forward link rate control in
a mobile radio communications system
D439,245 - Cradle for a cellular telephone
6,201,964 - Method and apparatus for fast and random access of variable sized
records stored in a partitioned format
6,201,954 - Method and system for providing an estimate of the signal strength of a
received signal
6,201,871 - Secure processing for authentication of a wireless communications
device
6,201,827 - System and method for probability based lock detection
6,201,802 - Method and apparatus for analyzing base station timing
6,198,929 - System and method for mobile switching center initiated service
negotiation
6,195,041 - Reliable position location in memory limited environment
6,194,976 - Multiple band voltage controlled oscillator using impedance scaling
6,192,249 - Method and apparatus for reverse link loading estimation
6,192,041 - Transmission of data packets over CDMA type cellular telephone
6,189,126 - Efficient trellis state metric normalization
6,188,892 - System and method for base station initiated call setup
6,188,678 - Method and apparatus for adaptive closed loop power control using
open loop measurements
6,188,354 - Method and apparatus for determining the location of a remote station
in a CDMA communication network 6,185,432 - System and method for selecting
power control modes
6,185,246 - System and method for orthogonal spread spectrum sequence
generation in variable data rate systems
6,185,199 - Method and apparatus for data transmission using time gated frequency
division duplexing
6,185,195 - Methods for preventing and detecting message collisions in a
half-duplex communication system
6,184,844 - Dual-band helical antenna
6,184,833 - Dual strip antenna
6,184,812 - Method and apparatus for eliminating clock jitter in continuous-time
Delta-Sigma analog-to-digital converters
6,182,261 - Efficient iterative decoding
6,181,942 - Method and apparatus for providing an alert with information signal
between a mobile switching center and a base station
6,181,931 - Method and apparatus for dynamic address allocation in a wireless
communication system
6,181,926 - Integrated voice mail system for CDMA network
6,181,912 - System and method for user terminal clock error measurement and
correction
6,181,911 - Simplified receiver with rotator for performing position location
6,181,201 - Automatic gain control circuit for controlling multiple variable gain
amplifier stages while estimating received signal power
6,178,506 - Wireless subscription portability
6,178,388 - Method and apparatus for calibrating a resistive ladder switching matrix
6,178,338 - Communication terminal apparatus and method for selecting options
using a dial shuttle
6,178,337 - Wireless telecommunications system utilizing CDMA radio frequency
signal modulation in conjuction with the GSM A-interface telecommunications
network protocol
6,178,164 - Method and apparatus for performing idle handoff in a multiple access
communication system
6,175,590 - Method and apparatus for determining the rate of received data in a
variable rate communication system
6,175,279 - Amplifier with adjustable bias current
6,175,215 - System and method for efficiently charging a battery over a linear or
nonlinear interface
6,173,007 - High-data-rate supplemental channel for CDMA telecommunications
system
6,172,481 - Method and apparatus for rapid charging batteries under sub-optimal
interconnect conditions
6,169,763 - Characterizing a communication system using frame aligned test signals |
