H03H 17/0614
Using delta-modulation
Official title: {using Delta-modulation}
H03H17/0614 (Using delta-modulation) appears on 47 US grants and 11 published applications in this corpus.
Search patents in H03H- Granted patents
- 47
- Published applications
- 11
- Assignees
- 26
- Inventors
- 65
- Latest grant
- 2 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 8 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 4 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
| 2016 | 2 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 4 | 0 |
| 2021 | 1 | 1 |
| 2022 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical communication apparatus and correcting method2 Aug 2022US 11,405,049 B2Fujitsu Optical Components Limited
- 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
- Optical communication apparatus and correcting method26 Aug 2021US 2021/0266009 A1Fujitsu Optical Components Limited
- Analog-to-digital converter correcting frequency characteristics and semiconductor device including the same19 Dec 2019US 2019/0386675 A1Seoul National University R&Db Foundation
- Mixed-mode Millimeter-wave Transmitter12 Dec 2019US 2019/0379408 A1Mitsubishi Electric Research Laboratories, Inc.
- Asynchronous sample rate converter7 Jan 2016US 2016/0006445 A1Actiwave AB
- Noise shaped interpolator and decimator apparatus and method26 Nov 2015US 2015/0341159 A1STMicroelectronics S.r.l.
Most cited
By later US patents
- Narrow-band filter including sigma-delta modulator implemented in a programmable logic device98US 6,600,788 B1Xilinx, Inc. · 2003
- Arithmetic-free digital interpolation filter architecture75US 5,541,864 ACrystal Semiconductor Corporation · 1996
- Low precision finite impulse response filter for digital interpolation73US 5,212,659 ACrystal Semiconductor Corporation · 1993
- Variable sample-rate DAC/ADC/converter system65US 5,786,778 AAnalog Devices, Inc. · 1998
- Decimation filter as for a sigma-delta analog-to-digital converter50US 5,027,306 A1991