H03M 3/412
Characterised by the number of quantisers and their type and resolution
Official title: {characterised by the number of quantisers and their type and resolution}
H03M3/412 (Characterised by the number of quantisers and their type and resolution) appears on 1,578 US grants and 1,175 published applications in this corpus.
Search patents in H03M- Granted patents
- 1,578
- Published applications
- 1,175
- Assignees
- 511
- Inventors
- 2,061
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 12 | 0 |
| 1990 | 6 | 0 |
| 1991 | 21 | 0 |
| 1992 | 18 | 0 |
| 1993 | 19 | 0 |
| 1994 | 15 | 0 |
| 1995 | 16 | 0 |
| 1996 | 14 | 0 |
| 1997 | 12 | 0 |
| 1998 | 31 | 0 |
| 1999 | 20 | 0 |
| 2000 | 21 | 0 |
| 2001 | 35 | 6 |
| 2002 | 44 | 26 |
| 2003 | 36 | 25 |
| 2004 | 39 | 30 |
| 2005 | 55 | 56 |
| 2006 | 52 | 37 |
| 2007 | 48 | 57 |
| 2008 | 62 | 58 |
| 2009 | 59 | 49 |
| 2010 | 55 | 59 |
| 2011 | 67 | 57 |
| 2012 | 39 | 48 |
| 2013 | 43 | 34 |
| 2014 | 48 | 43 |
| 2015 | 65 | 43 |
| 2016 | 57 | 52 |
| 2017 | 72 | 51 |
| 2018 | 59 | 43 |
| 2019 | 61 | 76 |
| 2020 | 87 | 58 |
| 2021 | 62 | 50 |
| 2022 | 49 | 49 |
| 2023 | 52 | 59 |
| 2024 | 56 | 48 |
| 2025 | 37 | 31 |
| 2026 | 16 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Delta-sigma modulators with downsampled digital integrators25 Aug 2026US 12,719,495 B2NXP B. V.
- High gain detector techniques for low bandwidth low noise phase-locked loops18 Aug 2026US 12,712,551 B2Texas Instruments Incorporated
- Sigma-delta modulator and a class D amplifier18 Aug 2026US 12,712,566 B1Renesas Design Netherlands B.V.
- Apparatus for generating a digital signal dependent on a current slope4 Aug 2026US 12,700,789 B2Renesas Design (UK) Limited
- Second order audio continuous time delta sigma modulator with resonator16 Jun 2026US 12,658,936 B2Skyworks Solutions, Inc.
- Quantized amplification with reduced number of passband modulators10 Sep 2026US 2026/0269846 A1QDAComm LLC
- Current-mode analog-to-digital converter systems, devices and methods for multi-sensing20 Aug 2026US 2026/0246479 A1Cypress Semiconductor Corporation
- Adc with noise-shaping sar and digitization of quantization error13 Aug 2026US 2026/0238216 A1
- A/d converter13 Aug 2026US 2026/0238222 A1Sony Semiconductor Solutions Corporation
- Flat spot suppression in sigma delta converters13 Aug 2026US 2026/0238223 A1Cypress Semiconductor Corporation
Most cited
By later US patents
- CMOS image sensor with pixel level A/D conversion381US 5,461,425 AStanford University · 1995
- Method and apparatus for multiplexed oversampled analog to digital modulation228US 5,248,971 A1993
- On-focal-plane analog-to-digital conversion for current-mode imaging devices221US 5,886,659 ACalifornia Institute of Technology · 1999
- Multi-loop .SIGMA. .DELTA. analog to digital converter153US 5,982,315 AQUALCOMM Incorporated · 1999
- Method and arrangement for a sigma delta converter for bandpass signals146US 4,857,928 AMotorola, Inc. · 1989