G01J 2001/4426
With intensity to frequency or voltage to frequency conversion [ifc or vfc]
Official title: {with intensity to frequency or voltage to frequency conversion [IFC or VFC]}
G01J2001/4426 (With intensity to frequency or voltage to frequency conversion [ifc or vfc]) appears on 27 US grants and 17 published applications in this corpus.
Search patents in G01J- Granted patents
- 27
- Published applications
- 17
- Assignees
- 20
- Inventors
- 58
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
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| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 2 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 3 | 4 |
| 2020 | 1 | 3 |
| 2021 | 5 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical measuring device, optical measuring method, data processing device, and program15 Jul 2025US 12,359,965 B2Konica Minolta, Inc.
- Optical sensor arrangement including a dummy photodiode with a well that surrounds a well of a photodiode19 Sep 2023US 11,761,817 B2ams International AG
- Method for light-to-frequency conversion and light-to-frequency converter arrangement8 Mar 2022US 11,268,852 B2ams International AG
- Rapid sensing value estimation circuit and method thereof10 Aug 2021US 11,085,818 B1Anpec Electronics Corporation
- Optical sensor arrangement and method for light sensing8 Jun 2021US 11,029,197 B2Ams AG
- Optical measuring device, optical measuring method, data processing device, and program2 Feb 2023US 2023/0033014 A1Konica Minolta, Inc.
- Method for light-to-frequency conversion and light-to- frequency converter arrangement25 Mar 2021US 2021/0088380 A1ams International AG
- Optical sensor arrangement and method for optical sensing12 Nov 2020US 2020/0355549 A1ams International AG
- Optical sensor arrangement and method for light sensing16 Jul 2020US 2020/0225086 A1Ams AG
- Electromagnetic wave detecting apparatus and method of setting acquisition timing of detection signal11 Jun 2020US 2020/0182691 A1Pioneer Corporation
Most cited
By later US patents
- UV Exposure monitoring system111US 5,036,311 A1991
- Image sensor array with threshold voltage detectors and charged storage capacitors66US 5,214,274 APresident and Fellows of Harvard College · 1993
- Radiation detecting array including unit cells with periodic output signals each within a unique frequency band27US 4,982,080 ASanta Barbara Research Center · 1991
- Photometer12US 4,832,490 ALeybold-Heraeus GmbH · 1989
- Method and apparatus for measuring the illuminating power of incident light9US 4,643,568 ATelefonaktiebolaget LM Ericsson · 1987