Inventor · Oberhaching, DE

Andrew Schaefer

30Patents
3h-index
24Co-inventors
59Inventor score

Filing activity: Jul 8, 2005 → Feb 8, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US7418401B2 Secure internet transactions on unsecured computers Physics 11 Active
US7565540B2 Fully electronic identity authentication Physics 11 Active
US10852323B2 Measurement apparatus and method for analyzing a waveform of a signal Physics 8 Active
US9755754B2 Electro-absorption modulator adaptive equalizer systems and methods Electricity 3 Active
US9698911B2 Systems, devices, and methods for photonic to radio frequency downconversion Electricity 3 Active
US11443137B2 Method and apparatus for detecting signal features Electricity 2 Active
US11415602B2 Method for operating an oscilloscope as well as oscilloscope Physics 2 Active
US11143679B2 Method and apparatus for processing a measurement signal Physics 1 Active
US10425125B2 Test arrangement, device and method for measuring a directed signal Electricity 1 Active
US11502759B2 Circuitry distortion corrector, measurement device, correction data generator, and correction method Physics 1 Active
US9658477B2 Systems, devices, and methods for photonic to radio frequency upconversion Electricity 1 Active
US10763976B1 Digital low frequency correction circuit and method for reducing low frequency disturbances within a digital signal Electricity 1 Active
US9958479B2 Digital oscilloscope and a method with parallel acquisition and signal post-processing Physics 1 Active
US9759747B2 Method and a device for determining a trigger condition for a rare signal event Physics 1 Active
US11307061B2 Electrical measurement device Electricity 0 Active
US11671185B2 Main measurement device, secondary measurement device, measurement system and method Electricity 0 Active
US9831955B2 Systems, devices, and methods for photonic to radio frequency downconversion Electricity 0 Active
US12411823B2 Computer-implemented data processing method, and measurement system Physics 0 Active
US10581527B2 Systems, devices, and methods for photonic to radio frequency conversion Electricity 0 Active
US11700008B2 Phase-shifted sampling module and method for determining filter coefficients Electricity 0 Active
US11316506B1 Signal analysis method and signal analysis module Electricity 0 Active
US11402430B2 Signal analyzer and method of analyzing a signal Electricity 0 Active
US10281494B2 Digital oscilloscope and a method with parallel acquisition and signal post-processing Physics 0 Active
US9705280B2 Systems and methods for adaptively controlling a thermoelectric cooler Mechanical Engineering; Lighting; Heating 0 Active
US12136930B2 Analog-to-digital converter system and method Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.