LexDanaLexDanabeta
Inventor

Charles W. K. Gritton

Inventor
Sterling, VA, US

Overview

51→
Patents
1984–2020
Patent span
Physics
Primary field (CPC G)

Patents· 51 as inventor

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

G06Fprimary
G06FElectric digital data processing21%
H04NPictorial communication, e.g. television19%
H04LTransmission of digital information, e.g. telegraphic communication6%
H04BTransmission6%
G06VImage or video recognition or understanding5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
G08CTransmission systems for measured values, control or similar signals4%
G10LSpeech analysis techniques or speech synthesis4%
H04MTelephonic communication4%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use4%
PatentTitleYear
10,873,718Systems and methods for touch screens associated with a display202010,514,7763D pointing devices and methods20199,946,731Methods and systems for analyzing parts of an electronic file20189,575,570'3D pointing devices and methods'20179,503,769'Metadata brokering server and methods'20169,459,783'Zooming and panning widget for internet browsers'20169,436,359'Methods and systems for enhancing television applications using 3D pointing'20169,377,876'Visual whiteboard for television-based social network'20169,261,978'3D pointing devices and methods'20169,250,716'Real-time dynamic tracking of bias'20169,239,859'Metadata brokering server and methods'20169,100,716'Augmenting client-server architectures and methods with personal computers to support media applications'20159,043,369'Metadata brokering server and methods'20159,007,396'Methods and systems for analyzing parts of an electronic file'20158,994,657'Methods and devices for identifying users based on tremor'20158,924,889'Scene transitions in a zoomable user interface using a zoomable markup language'20148,850,478'Multimedia systems, methods and applications'20148,766,917'3D pointing devices and methods'20148,683,850'Real-time dynamic tracking of bias'20148,601,396'Systems and methods for node tracking and notification in a control framework including a zoomable graphical user interface'20138,521,587'Systems and methods for placing advertisements'20138,432,358'Methods and systems for enhancing television applications using 3D pointing'20138,412,748'Metadata brokering server and methods'20138,407,022'Real-time dynamic tracking of bias'20138,180,672'Systems and methods for placing advertisements'20128,169,405'Methods and systems for enhancing television applications using 3D pointing'20128,161,082'Metadata brokering server and methods'20127,860,676'Real-time dynamic tracking of bias'20107,839,385'Methods and systems for enhancing television applications using 3D pointing'20107,634,793'Client-server architectures and methods for zoomable user interfaces'20097,493,341'Metadata brokering server and methods'20097,489,298'3D pointing devices and methods'20097,478,247'Methods and systems for securing data processing devices'20097,471,696'System and associated method for the synchronization and control of multiplexed payloads over a telecommunications network'20087,239,301'3D pointing devices and methods'20077,236,156'Methods and devices for identifying users based on tremor'20077,236,586'Synchronization of echo cancellers in a voice processing system'20077,039,181'Consolidated voice activity detection and noise estimation'20067,003,097'Synchronization of echo cancellers in a voice processing system'20066,526,140'Consolidated voice activity detection and noise estimation'20036,526,139'Consolidated noise injection in a voice processing system'20036,522,746'Synchronization of voice boundaries and their use by echo cancellers in a voice processing system'20036,167,062'System and associated method for the synchronization and control of multiplexed payloads over a telecommunications network'20005,857,167'Combined speech coder and echo canceler'19995,457,684'Delay-less signal processing arrangement for use in an ATM network'19955,311,512'Multiple-master digital communication technique utilizing a dedicated contention bus'19944,574,166'Tandem adaptive filter arrangement'19864,468,640'Adaptive filter update normalization'19844,468,641'Adaptive filter update normalization'19844,467,441'Adaptive filter including controlled tap coefficient leakage'19844,426,729'Partial band - whole band energy discriminator'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1995Based in North Brunswick, NJ, US· patent location history
1999–2020Based in Sterling, VA, US· patent location history
2000–2008Patents assigned to TELLABS OPERATIONS INC (8)· patent assignee history
2007–2017Patents assigned to HILLCREST LAB INC (32)· patent assignee history
2012–2016Patents assigned to GRITTON CHARLES W K (15)· patent assignee history
2012–2016Patents assigned to SIMPKINS DANIEL S (9)· patent assignee history
2012–2016Patents assigned to HUNLETH FRANK A (8)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HILLCREST LAB INC322007–2017
GRITTON CHARLES W Kself152012–2016
SIMPKINS DANIEL S92012–2016
HUNLETH FRANK A82012–2016
TELLABS OPERATIONS INC82000–2008
Locations
LocationPatentsSpan
Sterling, Virginia, US441999–2020
North Brunswick, New Jersey, US71984–1995