G01N 2201/1244
Ambient light detector
Official title: Ambient light detector, e.g. for invalidating
G01N2201/1244 (Ambient light detector) appears on 21 US grants and 17 published applications in this corpus.
Search patents in G01N- Granted patents
- 21
- Published applications
- 17
- Assignees
- 12
- Inventors
- 51
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Pulse oximeter with improved accuracy and response time484US 5,190,038 ANovametrix Medical Systems, Inc. · 1993
- Method of measuring the oxygen saturation in pulsating blood flow260US 5,448,991 A1995
- Pulse oximeter with improved accuracy and response time188US 5,820,550 ANovametrix Medical Systems, Inc. · 1998
- Pulse oximeter with improved accuracy and response time152US 5,398,680 A1995
- System and method for attenuating the effect of ambient light on an optical sensor151US 7,227,156 B2Sensors for Medicine and Science, Inc. · 2007