Assignee
LEGERITY INC
US115 patents
Top patents by PatentIndex Score
US6320943B1Nov 20, 2001
Electronic directory system and method
LEGERITY INC252 citations99
US7190784B2Mar 13, 2007
Method and apparatus for adaptive DC level control
LEGERITY INC73 citations98
US7006445B1Feb 28, 2006
Device and method for determining characteristics of a digital subscriber line
LEGERITY INC67 citations98
US6728546B1Apr 27, 2004
Computer peripheral base station for a cordless telephone
LEGERITY INC178 citations97
US6711239B1Mar 23, 2004
System and method for identifying a callee of an incoming telephone call
LEGERITY INC56 citations96
US6711667B1Mar 23, 2004
Microprocessor configured to translate instructions from one instruction set to another, and to store the translated instructions
LEGERITY INC67 citations96
US6535550B1Mar 18, 2003
Transceiver with variable width cyclic prefix
LEGERITY INC60 citations96
US6418412B1Jul 9, 2002
Quantization using frequency and mean compensated frequency input data for robust speech recognition
LEGERITY INC53 citations96
US6347297B1Feb 12, 2002
Matrix quantization with vector quantization error compensation and neural network postprocessing for robust speech recognition
LEGERITY INC65 citations96
US6337877B1Jan 8, 2002
Method and apparatus for scaling modem transfer capacity in a multi-channel communications system
LEGERITY INC70 citations96
US6269086B1Jul 31, 2001
Arrangement and method for selectable time/frequency division multiplex communication
LEGERITY INC127 citations96
US6226356B1May 1, 2001
Method and apparatus for power regulation of digital data transmission
LEGERITY INC70 citations96
US6633894B1Oct 14, 2003
Signal processing arrangement including variable length adaptive filter and method therefor
LEGERITY INC67 citations95
US6343217B1Jan 29, 2002
Digital cordless telephony with PCM coding
LEGERITY INC67 citations95
US6711540B1Mar 23, 2004
Tone detector with noise detection and dynamic thresholding for robust performance
LEGERITY INC42 citations93
US6385303B1May 7, 2002
System and method for identifying and announcing a caller and a callee of an incoming telephone call
LEGERITY INC80 citations93
US6178241B1Jan 23, 2001
Switch hook status determination in a communication system
LEGERITY INC25 citations93
US7088835B1Aug 8, 2006
Wavetable audio synthesizer with left offset, right offset and effects volume control
LEGERITY INC39 citations92
US6816723B1Nov 9, 2004
Telephony device with integrated messaging
LEGERITY INC28 citations92
US6728325B1Apr 27, 2004
Method and apparatus for mixing down and spectrum folding frequency diverse modulated carrier
LEGERITY INC24 citations92
US6621831B1Sep 16, 2003
Method and apparatus for verifying and correcting connectivity
LEGERITY INC31 citations92
US6590893B1Jul 8, 2003
Adaptive transmission system in a network
LEGERITY INC46 citations92
US6556965B1Apr 29, 2003
Wired and cordless telephone systems with extended frequency range
LEGERITY INC53 citations92
US6519280B1Feb 11, 2003
Method and apparatus for inserting idle symbols
LEGERITY INC29 citations92
US6501791B1Dec 31, 2002
Method and apparatus for allocating tones to a plurality of users in a multi-tone modem communications system
LEGERITY INC23 citations92
US6434188B1Aug 13, 2002
Differential encoding arrangement for a discrete multi-tone transmission system
LEGERITY INC39 citations92
US6424674B1Jul 23, 2002
Multi-tone transciever for multiple users
LEGERITY INC20 citations92
US6307480B1Oct 23, 2001
Integrated circuit reset incorporating battery monitor and watchdog timer
LEGERITY INC33 citations92
US6272465B1Aug 7, 2001
Monolithic PC audio circuit
LEGERITY INC26 citations92
US6219377B1Apr 17, 2001
Method and apparatus for generating tones in a multi-tone modem
LEGERITY INC32 citations92
US6219642B1Apr 17, 2001
Quantization using frequency and mean compensated frequency input data for robust speech recognition
LEGERITY INC42 citations92
US6792286B1Sep 14, 2004
Apparatus for transmitting and receiving signals
LEGERITY INC28 citations91
US6560652B1May 6, 2003
Method and apparatus for accessing variable sized blocks of data
LEGERITY INC23 citations91
US6657496B2Dec 2, 2003
Amplifier circuit with regenerative biasing
LEGERITY INC19 citations90
US6373925B1Apr 16, 2002
Telephone calling party announcement system and method
LEGERITY INC60 citations90
US6256383B1Jul 3, 2001
IIR filter of adaptive balance circuit for long tail echo cancellation
LEGERITY INC25 citations90
US7180098B2Feb 20, 2007
Optical isolator device, and method of making same
LEGERITY INC16 citations89
US6424274B1Jul 23, 2002
Keypad scanning with few pins
LEGERITY INC27 citations89
US6304756B1Oct 16, 2001
Channel arbitration between handset and base station in a cordless telephone system
LEGERITY INC52 citations89
US6198318B1Mar 6, 2001
Power-on-reset circuit
LEGERITY INC19 citations89
US6487418B1Nov 26, 2002
Free channel selection method
LEGERITY INC16 citations88
US6430661B1Aug 6, 2002
Method and apparatus for accessing variable sized data with prioritization
LEGERITY INC51 citations86
US6208517B1Mar 27, 2001
Heat sink
LEGERITY INC63 citations86
US6771767B1Aug 3, 2004
Signal detector with coefficient swapping transform unit
LEGERITY INC15 citations84
US6714589B1Mar 30, 2004
Communication device with primitive synchronization signal
LEGERITY INC17 citations84
US6611564B1Aug 26, 2003
Method for conserving power in transceivers
LEGERITY INC15 citations84
US6587559B1Jul 1, 2003
Cross-frame dual tone multifrequency detector
LEGERITY INC18 citations84
US6370555B1Apr 9, 2002
Method and system for improved detection of analog signals
LEGERITY INC15 citations84
US6778663B1Aug 17, 2004
Method and apparatus for sensing current
LEGERITY INC16 citations83
US6990191B2Jan 24, 2006
Method and apparatus for handling voice and data signals
LEGERITY INC14 citations82
Showing the top 50 of 115 patents by PatentIndex Score.