Inventor
Richard E. Schreier
Inventor
Toronto, CA
Overview
Patents· 29 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Mprimary
H03MCoding68%
G01RMeasuring electric variables5%
H04LTransmission of digital information, e.g. telegraphic communication5%
G06FElectric digital data processing3%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems3%
H03FAmplifiers3%
H03GControl of amplification3%
H03HImpedance networks, e.g. resonant circuits3%
H03KPulse technique3%
H04MTelephonic communication3%
PatentTitleYear
10,056,914Frequency-domain ADC flash calibration20189,912,342'Flash analog-to-digital converter calibration'20189,843,337'Background flash offset calibration in continuous-time delta-sigma ADCS'20179,768,793'Adaptive digital quantization noise cancellation filters for mash ADCs'20179,733,306'Remote evaluation tool'20179,425,816'Generating comparator thresholds using a rotating ring of resistors'20169,407,283'Delta-sigma modulator having sensor front-end'20169,350,371'Electrical signal conversion with reduced-distance element rotation'20169,312,840'LC lattice delay line for high-speed ADC applications'20169,219,410'Charge pump supply with clock phase interpolation'20159,209,827'Digital tuning engine for highly programmable delta-sigma analog-to-digital converters'20159,203,426'Estimation of digital-to-analog converter static mismatch errors'20159,178,529'Multi-stage noise shaping analog-to-digital converter'20159,054,731'Integrator output swing reduction'20159,030,342'Digital tuning engine for highly programmable delta-sigma analog-to-digital converters'20158,912,936'Electric signal conversion'20148,536,939'Cross-coupled multipath feedforward operational amplifiers'20138,410,962'Active RC resonators with enhanced Q factor'20137,439,890'ΔΣ analog to digital converter system with automatic gain control responsive to out-of-band interferers'20087,425,909'Low-noise programmable current source'20087,420,494'Mismatch shaping Δ-Σ analog to digital converter system'20087,358,879'ΔΣ modulator system with start up transient suppression'20087,342,614'Methods and apparatus for tuning signals'20087,315,269'Continuous time ΔΣ modulator system with automatic timing adjustment'20087,262,726'Quadrature bandpass ΔΣ converter'20077,079,063'System and method for tri-level logic data shuffling for oversampling data conversion'20066,737,999'Mismatch-shaping for a quadrature digital-to-analog converter'20046,590,515'Mixing digital to analog converter'20036,567,025'Multi-bit sigma-delta analog to digital converter with a variable full scale'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2015Patents assigned to ANALOG DEVICES INC (14)· patent assignee history
2003–2008Based in North Andover, MA, US· patent location history
2008Based in Andover, MA, US· patent location history
2013Patents assigned to SCHREIER RICHARD (2)· patent assignee history
2013Patents assigned to SHIBATA HAJIME (2)· patent assignee history
2013–2018Based in Toronto, CA· patent location history
2014–2016Patents assigned to ANALOG DEVICES TECHNOLOGY (6)· patent assignee history
2015–2018Patents assigned to ANALOG DEVICES GLOBAL (14)· patent assignee history
2017–2018Based in New Castle, CA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ANALOG DEVICES GLOBAL | 14 | 2015–2018 |
| ANALOG DEVICES INC | 14 | 2003–2015 |
| ANALOG DEVICES TECHNOLOGY | 6 | 2014–2016 |
| SCHREIER RICHARDself | 2 | 2013 |
| SHIBATA HAJIME | 2 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Toronto, CA | 15 | 2013–2018 |
| North Andover, Massachusetts, US | 7 | 2003–2008 |
| Andover, Massachusetts, US | 4 | 2008 |
| New Castle, CA | 3 | 2017–2018 |