H03H 17/0411
Using delta modulation
Official title: {using DELTA modulation}
H03H17/0411 (Using delta modulation) appears on 13 US grants and 4 published applications in this corpus.
Search patents in H03H- Granted patents
- 13
- Published applications
- 4
- Assignees
- 11
- Inventors
- 26
- Latest grant
- 12 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 3 |
| 2020 | 5 | 0 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- SDM encoder and related signal processing system12 Apr 2022US 11,303,295 B1xMEMS Labs, Inc.
- Digital filter16 Mar 2021US 10,951,229 B1Dialog Semiconductor GmbH
- Analog-to-digital converter correcting frequency characteristics and semiconductor device including the same24 Nov 2020US 10,848,173 B2Seoul National University R&Db Foundation
- Digital filter24 Nov 2020US 10,848,174 B1Dialog Semiconductor GmbH
- Delta-sigma loop filters with input feedforward22 Sep 2020US 10,784,891 B2Microchip Technology Incorporated
- Analog-to-digital converter correcting frequency characteristics and semiconductor device including the same19 Dec 2019US 2019/0386675 A1Seoul National University R&Db Foundation
- Delta-sigma loop filters with input feedforward14 Nov 2019US 2019/0348995 A1Microchip Technology Incorporated
- Programmable receivers including a delta-sigma modulator14 Nov 2019US 2019/0348996 A1Microchip Technology Incorporated
- Signal conditioning system with a sigma-delta modulator17 Nov 2011US 2011/0279162 A1IPGoal Microelectronics (SiChuan) Co., Ltd.
Most cited
By later US patents
- Recursive digital filter with reset78US 6,167,415 ALucent Technologies Inc. · 2000
- Distributed gain for audio codec36US 6,215,429 B1Lucent Technologies Inc. · 2001
- Signal processors8US 6,057,792 ASony Corporation · 2000
- Second order digital filter requiring only one sigma delta modulator7US 6,232,900 B1Lucent Technologies Inc. · 2001
- Transversal digital filter for delta coded signals4US 3,968,354 AT.R.T. Telecommunications Radioelectriques · 1976