G01B 7/287
Using a plurality of fixed, simultaneously operating transducers
Official title: using a plurality of fixed, simultaneously operating transducers (G01B7/293 takes precedence)
G01B7/287 (Using a plurality of fixed, simultaneously operating transducers) appears on 149 US grants and 70 published applications in this corpus.
Search patents in G01B- Granted patents
- 149
- Published applications
- 70
- Assignees
- 126
- Inventors
- 337
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 8 | 0 |
| 1981 | 3 | 0 |
| 1982 | 8 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 8 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 8 | 4 |
| 2003 | 4 | 1 |
| 2004 | 1 | 3 |
| 2005 | 2 | 2 |
| 2006 | 4 | 2 |
| 2007 | 2 | 3 |
| 2008 | 1 | 3 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 3 |
| 2013 | 0 | 0 |
| 2014 | 2 | 2 |
| 2015 | 2 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 2 |
| 2018 | 0 | 2 |
| 2019 | 5 | 7 |
| 2020 | 8 | 9 |
| 2021 | 5 | 5 |
| 2022 | 3 | 4 |
| 2023 | 9 | 6 |
| 2024 | 4 | 2 |
| 2025 | 1 | 5 |
By publication year. Applications have been published since 2001.
Recent patents
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Most cited
By later US patents
- Fingerprint sensing device and recognition system having predetermined electrode activation397US 5,325,442 AU. S. Philips Corporation · 1994
- Capacitive fingerprint sensor327US 4,353,056 ASiemens Aktiengesellschaft · 1982
- Surface shape sensor, identification device using this sensor, and protected system using this device202US 5,559,504 AKabushiki Kaisha Toshiba · 1996
- Fingerprint sensor having spoof reduction features and related methods163US 5,953,441 AHarris Corporation · 1999
- Enhanced fingerprint detection128US 6,512,381 B2STMicroelectronics S.r. l. · 2003