Inventor

RAMASWAMY KUMAR

US123 patents

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

RAMASWAMY KUMAR

THOMSON LICENSING SA

Auxiliary data insertion in a transport datastream

Power saving protocol for TDMA multi-line wireless telephone handsets

Clock synchronization over a powerline modem network for multiple devices

Output symbol rate control in a packet transport rate conversion system

Opposite polarization interference cancellation in satellite communication

Initialization of handsets in a multi-line wireless phone system for secure communications

Fade resistant digital transmission and reception system

Transport packet rate conversion

Time synchronization for data over a powerline modem network

HDTV channel equalizer

System and method of responding to an incoming call while conferencing

Carrier tracking loop for direct sequence spread spectrum systems

Receiver with parallel correlator for acquisition of spread spectrum digital transmission

Digital variable symbol rate modulation

Base to handset epoch synchronization in multi-line wireless telephone

THOMSON LICENSING

Error detection/correction coding for hierarchical QAM transmission systems

Messaging services for digital subscriber loop

System and method for providing POTS services in DSL environment in event of failures

Hierarchical QAM transmission system with varying grouping factor

Gray encoding for hierarchical QAM transmission systems

Robust mode staggercasting user controlled switching modes

Robust mode staggercasting without artifacts

Video on demand server system and method

Robust mode staggercasting fast channel change

Technique for video broadcasting in wireless LAN

Method and an apparatus for mapping an MPEG transport stream into IP packets for WLAN broadcast

Ever-decreasing network QOS requirements for stored video streaming in a mobile wireless interworking environment

THOMSON CONSUMER ELECTRONICS

Apparatus and method for processing a Quadrature Amplitude Modulated (QAM) signal

Digital variable symbol timing recovery system for QAM

Receiver signal processing system for cap signals

Multi-mode equalizer in a digital video signal processing system

Branch metric computer for a Viterbi decoder of a punctured and pragmatic trellis code convolutional decoder suitable for use in a multi-channel receiver of satellite, terrestrial and cable transmitted FEC compressed-digital television data

System for acquiring, processing, and storing video data and program guides transmitted in different coding formats

System for acquiring and processing video data and program guides transmitted in different coding formats

System for forming program guides and video data for storage and transmission in different coding formats

Timing recovery system for a digital signal processor

Trellis demapper of a convolutional decoder for decoding pragmatic trellis codes suitable for use in a multi-channel receiver of satellite, terrestrial and cable transmitted FEC compressed-digital television data

SUN MICROSYSTEMS INC

User-level dedicated interface for IP applications in a data packet switching and load balancing system

Software interface between switching module and operating system of a data packet switching and load balancing system

Computer data packet switching and load balancing system using a general-purpose multiprocessor architecture

Pseudo-interface between control and switching modules of a data packet switching and load balancing system

LIU HANG

Method and apparatus for reliably delivering multicast data

Recovery from burst packet loss in internet protocol based wireless networks using staggercasting and cross-packet forward error correction

Seamless handover of multicast sessions in internet protocol based wireless networks using staggercasting

THOMAS LICENSING

Method and system for providing emergency shutdown of a malfunctioning device

RICHARDSON JOHN WILLIAM

Quality of service setup on a time reservation basis

RAMASWAMY KUMAR

Multiple closed captioning flows and customer access in digital networks

HAN LIQIAO

Cross-layer optimization for scalable video multicast over IEEE 802.11 wireless local area networks

VID SCALE INC

Bit depth remapping based on viewing parameters

GUO YANG

Performance aware peer-to-peer content-on-demand