H04N 1/00755
Detecting an interruption of light
Official title: {Detecting an interruption of light}
H04N1/00755 (Detecting an interruption of light) appears on 110 US grants and 105 published applications in this corpus.
Search patents in H04N- Granted patents
- 110
- Published applications
- 105
- Assignees
- 50
- Inventors
- 242
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 3 |
| 2003 | 2 | 4 |
| 2004 | 1 | 2 |
| 2005 | 3 | 1 |
| 2006 | 2 | 3 |
| 2007 | 0 | 6 |
| 2008 | 1 | 5 |
| 2009 | 2 | 5 |
| 2010 | 6 | 3 |
| 2011 | 3 | 8 |
| 2012 | 3 | 5 |
| 2013 | 10 | 3 |
| 2014 | 1 | 6 |
| 2015 | 11 | 6 |
| 2016 | 4 | 3 |
| 2017 | 4 | 4 |
| 2018 | 2 | 7 |
| 2019 | 4 | 1 |
| 2020 | 5 | 5 |
| 2021 | 8 | 14 |
| 2022 | 8 | 1 |
| 2023 | 5 | 3 |
| 2024 | 2 | 2 |
| 2025 | 1 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Sheet conveyance apparatus and image forming apparatus6 Aug 2024US 12,054,353 B2Canon Kabushiki Kaisha
- Medium feeding device and image reading apparatus11 Jun 2024US 12,006,182 B2Seiko Epson Corporation
- Document placement detecting device, image reading device, image forming apparatus, method, and non-transitory recording medium5 Dec 2023US 11,838,467 B2Ricoh Company, Ltd.
- Image reading device, image reading method, non-transitory recording medium storing computer readable program, and image formation device5 Sep 2023US 11,745,497 B2Konica Minolta, Inc.
- Sheet-sensing system1 Jan 2026US 2026/0006139 A1Kinpo Electronics, Inc.
- Sheet identification device, image processing apparatus, and sheet identification method11 Sep 2025US 2025/0286971 A1KYOCERA Document Solutions Inc.
- Systems and methods relating to document and fastener identification12 Jun 2025US 2025/0193325 A1Ripcord Inc.
- Document scanner with dynamic adjusting function29 May 2025US 2025/0175564 A1Avision Inc.
- Image forming device17 Apr 2025US 2025/0126217 A1Sharp Kabushiki Kaisha
Most cited
By later US patents
- Two dimensional object position sensor145US 6,476,376 B1Xerox Corporation · 2002
- Sensing apparatus for detecting and determining the width of media along a feed path145US 9,219,836 B2Datamax-O'Neil Corporation · 2015
- Sheet conveying apparatus85US 6,059,285 ACanon Kabushiki Kaisha · 2000
- Media edge sensor utilizing a laser beam scanner50US 5,252,991 AHewlett-Packard Company · 1993
- Automatic document presence, skew and width detection method and apparatus for a document scanner37US 5,568,281 AHewlett-Packard Company · 1996