G08B 13/1627
Using doppler shift detection circuits
Official title: {using Doppler shift detection circuits}
G08B13/1627 (Using doppler shift detection circuits) appears on 55 US grants and 22 published applications in this corpus.
Search patents in G08B- Granted patents
- 55
- Published applications
- 22
- Assignees
- 40
- Inventors
- 102
- Latest grant
- 4 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 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 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 4 |
| 2008 | 2 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 2 | 1 |
| 2012 | 2 | 3 |
| 2013 | 3 | 0 |
| 2014 | 1 | 2 |
| 2015 | 3 | 0 |
| 2016 | 0 | 1 |
| 2017 | 3 | 1 |
| 2018 | 1 | 2 |
| 2019 | 3 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Environment-based-threat alerting to user via mobile phone4 Jun 2024US 12,002,345 B2Wipro Limited
- Burglar sensor arrangement structure6 Jul 2021US 11,052,871 B2Mazda Motor Corporation
- Occupancy based lighting control technology and its application thereof8 Oct 2019US 10,438,471 B2
- Occupancy based lighting control technology and its application thereof11 Jun 2019US 10,319,205 B2
- Presence detection using wireless signals confirmed with ultrasound and/or audio4 Jun 2019US 10,310,079 B1Amazon Technologies, Inc.
- Method and apparatus for alerting threats to users25 Nov 2021US 2021/0366269 A1Wipro Limited
- Burglar sensor arrangement structure4 Feb 2021US 2021/0031723 A1Mazda Motor Corporation
- Occupancy based lighting control technology and its application thereof15 Aug 2019US 2019/0251813 A1
- Occupancy based lighting control technology and its application thereof8 Nov 2018US 2018/0322752 A1
- Occupancy based lighting control technology and its application thereof11 Jan 2018US 2018/0012467 A1
Most cited
By later US patents
- Ultrasonic respiration/convulsion monitoring apparatus and method for its use162US 4,197,856 A1980
- Detection method and apparatus for a user device or automatic teller bank machine57US 4,420,751 ANCR Corporation · 1983
- Intrusion detection50US 9,551,784 B2Honeywell International Inc. · 2017
- Doppler intrusion detector with dual phase processing33US 4,225,858 AI.E.I. Proprietary Limited · 1980
- Ultrasonic compliance zone system26US 8,547,220 B1The General Hospital Corporation · 2013