G01R 23/175
By delay means
Official title: by delay means, e.g. tapped delay lines
G01R23/175 (By delay means) appears on 36 US grants and 12 published applications in this corpus.
Search patents in G01R- Granted patents
- 36
- Published applications
- 12
- Assignees
- 26
- Inventors
- 68
- Latest grant
- 25 Apr 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 3 |
| 2020 | 2 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Adjusting DFT coefficients to compensate for frequency offset during a sounding sequence used for fractional time determination25 Apr 2023US 11,638,116 B2Silicon Laboratories Inc.
- System and method for wideband spectral estimation using joint space-time array manifold vectors18 Apr 2023US 11,630,139 B2Raytheon Company
- Method of calibrating a setup30 Aug 2022US 11,428,770 B2Rohde & Schwarz GmbH & Co.KG
- Signal processing method and material testing machine17 Aug 2021US 11,092,630 B2Shimadzu Corporation
- Multi-signal instantaneous frequency measurement system24 Nov 2020US 10,848,191 B2Rohde & Schwarz GmbH & Co.KG
- Adjusting dft coefficients to compensate for frequency offset during a sounding sequence used for fractional time determination2 Jun 2022US 2022/0174453 A1Silicon Laboratories Inc.
- System and method for wideband spectral estimation using joint space-time array manifold vectors21 Apr 2022US 2022/0120673 A1Raytheon Company
- Method of calibrating a setup30 Sep 2021US 2021/0302526 A1Rohde & Schwarz GmbH & Co.KG
- Signal processing method and material testing machine20 Jun 2019US 2019/0187195 A1Shimadzu Corporation
- Multi-signal instantaneous frequency measurement system23 May 2019US 2019/0158134 A1Rohde & Schwarz GmbH & Co.KG
Most cited
By later US patents
- Wide band, complex microwave waveform receiver and analyzer, using distributed sampling techniques67US 4,866,441 AHer Majesty the Queen in right of Canada, as represented by the Minister of National Defence · 1989
- Methods and apparatuses for signal analysis40US 6,745,155 B1Huq Speech Technologies B.V. · 2004
- Passive interferometric imaging receiver system36US 4,794,395 AEnvironmental Research Institute of Mich. · 1988
- Multichannel coherent receiver17US 4,204,165 ATypoligics, Inc. · 1980
- Sampling spectrum analyzer15US 4,504,785 AHer Majesty the Queen in right of Canada, as represented by the Minister of National Defence of Her Majesty's Canadian Government · 1985