G01J 1/34
Using separate light paths used alternately or sequentially
Official title: using separate light paths used alternately or sequentially, e.g. flicker
G01J1/34 (Using separate light paths used alternately or sequentially) appears on 51 US grants and 10 published applications in this corpus.
Search patents in G01J- Granted patents
- 51
- Published applications
- 10
- Assignees
- 38
- Inventors
- 108
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 3 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 3 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Display device and method of setting driving firmware of the same2 Sep 2025US 12,405,159 B2Samsung Display Co., Ltd.
- Radiation sensor with an integrated mechanical optical modulator and related manufacturing process20 Aug 2024US 12,066,324 B2STMicroelectronics S,r.l.
- Flicker measurement device, flicker measurement method, flicker measurement program, flicker evaluation assistance device, flicker evaluation assistance method, and flicker evaluation assistance program13 Feb 2024US 11,902,672 B2Konica Minolta, Inc.
- Device for measuring two-dimensional flicker6 Feb 2024US 11,892,350 B2Konica Minolta, Inc.
- Flame detection system and received light quantity measuring method30 Aug 2022US 11,428,575 B2Azbil Corporation
- Sensor integrated circuit for spatial light flicker detection25 Sep 2025US 2025/0297891 A1Apple Inc.
- Display device and method of setting driving firmware of the same11 Jan 2024US 2024/0011827 A1Samsung Display Co., Ltd.
- Radiation sensor with an integrated mechanical optical modulator and related manufacturing process26 May 2022US 2022/0163383 A1STMicroelectronics S,r.l.
- Device for Measuring Two-Dimensional Flicker18 Nov 2021US 2021/0356327 A1Konica Minolta, Inc.
- Flicker measurement device, flicker measurement method, flicker measurement program, flicker evaluation assistance device, flicker evaluation assistance method, and flicker evaluation assistance program11 Nov 2021US 2021/0352202 A1Konica Minolta, Inc.
Most cited
By later US patents
- Apparatus for determining the diffuse reflectivity of a sample surface of small dimensions95US 4,676,653 ABoehringer Mannheim GmbH · 1987
- Self-calibrating carbon dioxide analyzer52US 4,578,762 ATri-Med, Inc. · 1986
- High pressure fluorescence flow-through cuvette22US 4,088,407 ASchoeffel Instrument Corporation · 1978
- Fluorescence intensity compensation method and device20US 4,622,468 ASequoia-Turner Corporation · 1986
- Apparatus for intermitting beam of light for use in gas analyzer17US 4,719,352 AHoriba, Ltd. · 1988