H04B 14/062
Using delta modulation or one-bit differential modulation [1dpcm]
Official title: {using delta modulation or one-bit differential modulation [1DPCM]}
H04B14/062 (Using delta modulation or one-bit differential modulation [1dpcm]) appears on 85 US grants and 32 published applications in this corpus.
Search patents in H04B- Granted patents
- 85
- Published applications
- 32
- Assignees
- 53
- Inventors
- 127
- Latest grant
- 11 Apr 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 5 |
| 2003 | 2 | 2 |
| 2004 | 2 | 2 |
| 2005 | 3 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 2 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 3 | 5 |
| 2019 | 3 | 3 |
| 2020 | 2 | 2 |
| 2021 | 2 | 3 |
| 2022 | 2 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- System improving signal handling11 Apr 2023US 11,626,858 B2Mediatek Inc.
- Device comprising a sensor, controller and corresponding methods29 Nov 2022US 11,515,887 B2Infineon Technologies AG
- Systems and methods for performing analog-to-digital conversion across multiple, spatially separated stages4 Jan 2022US 11,218,162 B2Koninklijke Philips N. V.
- Method of error concealment, and associated device14 Sep 2021US 11,121,721 B2STMicroelectronics S,r.l.
- System improving signal handling13 Apr 2021US 10,979,030 B2Mediatek Inc.
- Device comprising a sensor, controller and corresponding methods30 Sep 2021US 2021/0305997 A1Infineon Technologies AG
- System improving signal handling26 Aug 2021US 2021/0265982 A1Mediatek Inc.
- Systems and methods for performing analog-to-digital conversion across multiple, spatially separated stages28 Jan 2021US 2021/0028793 A1Koninklijke Philips N. V.
- Method of error concealment, and associated device12 Nov 2020US 2020/0358453 A1STMicroelectronics S,r.l.
- Method of error concealment, and associated device7 May 2020US 2020/0145019 A1STMicroelectronics S,r.l.
Most cited
By later US patents
- Digital data converter166US 5,155,743 ANuance DesignWorks, Inc. · 1992
- Method and arrangement for a sigma delta converter for bandpass signals146US 4,857,928 AMotorola, Inc. · 1989
- Analog isolation system with digital communication across a capacitive barrier111US 5,870,046 ASilicon Laboratories Inc. · 1999
- Narrow-band filter including sigma-delta modulator implemented in a programmable logic device98US 6,600,788 B1Xilinx, Inc. · 2003
- Telephone subscriber line unit with sigma-delta digital to analog converter53US 4,270,027 AInternational Telephone and Telegraph Corporation · 1981