Inventor

SCHIFF LEONARD N

US51 patents

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

SCHIFF LEONARD N

QUALCOMM INC

Method and apparatus for paging a user terminal within the “sweet spot” of a satellite

Method and apparatus for providing variable rate data in a communications system using statistical multiplexing

Method and apparatus for cross polarized isolation in a communication system

Feeder link spatial multiplexing in a satellite communication system

System and method for reducing call dropping rates in a multi-beam communication system

System and method for reducing call dropping rates in a multi-beam communication system

Variable loop gain in double loop power control systems

Method and apparatus for reducing frame error rate through signal power adjustment

Method and apparatus for adjacent coverage area handoff in communication systems

Method and apparatus for measuring nonlinear effects in a communication system

Method and apparatus for adjacent service area handoff in communication systems

Apparatus and method for paging a user terminal in a satellite communication system

High data rate aircraft to ground communication antenna system

Satellite-based programmable allocation of bandwidth for forward and return links

Synchronization on reverse link of mobile mode communications systems

Satellite diversity system, apparatus and method

Satellite communication system constituted with primary and back-up multi-beam satellites

Method for deep paging

Orthogonal code division multiple access on return link of satellite links

Method for deep paging

Wireless broadband communications network using message diffusion architecture

Reducing interference between users in a communications system through time scattering

RCA CORP

Fast acquisition burst mode spread spectrum communications system with pilot carrier

Synchronization system for a regenerative subtransponder satellite communication system

Clock rate spread spectrum

Speakerphone with adaptive cancellation of room echoes

Apparatus for synchronizing spread spectrum transmissions from small earth stations used for satellite transmission

Synchronizing system for spread spectrum transmissions between small earth stations by satellite via an intermediate hop to a large earth station

Demodulator for sampled chrominance signals including a Nyquist filter for recovering wideband I color difference signals

FM/TV Transmission system

Sampled color difference signal processing system having a quadrature distortion reduction differentiator

Digital FIR filters with enhanced tap weight resolution

FM/TV Automatic gain control system

Compandor for group of FDM signals

Time window key system for video scrambling

Logic for calculating bit error rate in a data communication system

Noise reduction system for a single sideband multiplex signal

Distortion reducer for companded analog systems

System for limiting intermodulation distortion of talkspurt signals

JALALI AHMAD

Interference mitigation techniques for air to ground systems

High data rate aircraft to ground communication antenna system

Real-time calibration of an air to ground communication system

Overlaying an air to ground communication system on spectrum assigned to satellite systems

Internet radio broadcast using cellular

SCHIFF LEONARD N

Satellite communication system constituted with primary and back-up multi-beam satellites

Noise compensation in satellite communications

Satellite diversity system, apparatus and method

GEN ELECTRIC

Enhanced TV system using transmitted error signals

Two resolution level DPCM system

Communications system utilizing a pilot signal and a modulated signal