Inventor

LUDWIG LESTER F

US198 patents

⚠️ This page may combine multiple inventors who share the name “LUDWIG LESTER F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LUDWIG LESTER F

LUDWIG LESTER F

Touch screen supporting continuous grammar touch gestures

Sensor array touchscreen recognizing finger flick gesture

Vignetted optoelectronic array for use in synthetic image formation via signal processing, lensless cameras, and integrated camera-displays

Sensor array touchscreen recognizing finger flick gesture from spatial pressure distribution profiles

Sensor array touchscreen recognizing finger flick gesture and other touch gestures

Mouse-based user interface device providing multiple parameters and modalities

Multiple-paramenter instrument keyboard combining key-surface touch and key-displacement sensor arrays

High-performance closed-form single-scan calculation of oblong-shape rotation angles from binary images of arbitrary size using running sums

Modular structures facilitating field-customized floor controllers

Layered signal processing for individual and group output of multi-channel electronic musical instruments

Strumpad and string array processing for musical instruments

Controlling and enhancing electronic musical instruments with video

Phase-staggered multi-channel signal panning

Generalized electronic music interface

Envelope-controlled time and pitch modification

Derivation of control signals from real-time overtone measurements

String array signal processing for electronic musical instruments

Transcending extensions of classical south Asian musical instruments

Storing and accessing media files

Signal processing for cross-flanged spatialized distortion

Low frequency oscillator providing phase-staggered multi-channel midi-output control-signals

Transcending extensions of traditional East Asian musical instruments

COLLABORATION PROPERTIES INC

Method for real-time communication between plural users

Participant display and selection in video conference calls

System for real-time communication between plural users

Multiple-editor authoring of multimedia documents including real-time video and time-insensitive media

Dedicated echo canceler for a workstation

Videoconferencing hardware

Video conferencing on existing UTP infrastructure

Method and system for log-in-based video and multimedia calls

Remote participant hold and disconnect during videoconferencing

Multimedia collaboration system

UTP based video and data conferencing

Multimedia mail, conference recording and documents in video conferencing

Synchronization in video conferencing

System for call request which results in first and second call handle defining call state consisting of active or hold for its respective AV device

System for providing a directory of AV devices and capabilities and call processing such that each participant participates to the extent of capabilities available

Two monitor videoconferencing hardware

System for teleconferencing in which collaboration types and participants by names or icons are selected by a participant of the teleconference

Multimedia services using central office

Multiplexing video and control signals onto UTP

VICOR INC

Teleconferencing system in which location video mosaic generator sends combined local participants images to second location video mosaic generator for displaying combined images

Call control in video conferencing allowing acceptance and identification of participants in a new incoming call during an active teleconference

Multimedia collaboration system arrangement for routing compressed AV signal through a participant site without decompressing the AV signal

Multimedia collaboration system with separate data network and A/V network controlled by information transmitting on the data network

AVISTAR COMM CORP

System for real-time communication between plural users

Method for real-time communication between plural users

Method for managing real-time communications

(unassigned)

Activity indication, external source, and processing loop provisions for driven vibrating-element environments

Extensions and generalizations of the pedal steel guitar