Inventor

James B. Piket

Inventor
Gilbert, AZ, US

Overview

19→
Patents
1996–2014
Patent span
Electricity
Primary field (CPC H)

Patents· 19 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Mprimary
H04MTelephonic communication35%
H04BTransmission32%
H03HImpedance networks, e.g. resonant circuits13%
H04WWireless communication networks6%
G10LSpeech analysis techniques or speech synthesis3%
H04JMultiplex communication3%
H04KSecret communication3%
H04LTransmission of digital information, e.g. telegraphic communication3%
PatentTitleYear
8,811,603'Echo canceler circuit and method'20148,467,521'Echo canceler circuit and method'20138,238,546'Echo canceler circuit and method'20127,787,613'Method and apparatus for double-talk detection in a hands-free communication system'20107,734,466'Reduced complexity recursive least square lattice structure adaptive filter by means of limited recursion of the backward and forward error prediction squares'20107,702,711'Reduced complexity recursive least square lattice structure adaptive filter by means of estimating the backward and forward error prediction squares using binomial expansion'20107,680,265'Echo canceler circuit and method'20107,599,483'Echo canceler circuit and method'20097,099,458'Downlink activity and double talk probability detector and method for an echo canceler circuit'20067,046,794'Double talk activity detector and method for an echo canceler circuit'20066,799,062'Full-duplex hands-free transparency circuit and method therefor'20046,707,912'Method and apparatus for setting a step size for an adaptive filter coefficient of an echo canceller'20046,618,701'Method and system for noise suppression using external voice activity detection'20036,415,029'Echo canceler and double-talk detector for use in a communications unit'20026,104,726'Simultaneous transfer of voice and data information using multi-rate vocoder and bit control protocol'20005,926,756'Method and system for programming a cellular phone'19995,856,970'Multi-channel echo cancellation method and apparatus'19995,721,782'Partitioned echo canceler utilizing decimation echo location'19985,506,889'Digital voice privacy apparatus and method'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2010Patents assigned to MOTOROLA INC (14)· patent assignee history
1996–2014Based in Gilbert, AZ, US· patent location history
2010–2014Patents assigned to CONTINENTAL AUTOMOTIVE SYSTEMS (4)· patent assignee history
2012–2014Patents assigned to PIKET JAMES B (3)· patent assignee history
2012–2014Patents assigned to OWENS KEITH L (2)· patent assignee history
2012–2014Patents assigned to SPRINGFIELD CHRISTOPHER W (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MOTOROLA INC141996–2010
CONTINENTAL AUTOMOTIVE SYSTEMS42010–2014
PIKET JAMES Bself32012–2014
OWENS KEITH L22012–2014
SPRINGFIELD CHRISTOPHER W22012–2014
Locations
LocationPatentsSpan
Gilbert, AZ, US191996–2014