H04N 1/031
The photodetectors having a one-to-one and optically positive correspondence with the scanned
Official title: the photodetectors having a one-to-one and optically positive correspondence with the scanned picture elements, e.g. linear contact sensors
H04N1/031 (The photodetectors having a one-to-one and optically positive correspondence with the scanned) appears on 655 US grants and 417 published applications in this corpus.
Search patents in H04N- Granted patents
- 655
- Published applications
- 417
- Assignees
- 160
- Inventors
- 1,068
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 11 | 0 |
| 1985 | 8 | 0 |
| 1986 | 2 | 0 |
| 1987 | 15 | 0 |
| 1988 | 25 | 0 |
| 1989 | 12 | 0 |
| 1990 | 26 | 0 |
| 1991 | 15 | 0 |
| 1992 | 25 | 0 |
| 1993 | 23 | 0 |
| 1994 | 16 | 0 |
| 1995 | 13 | 0 |
| 1996 | 9 | 0 |
| 1997 | 8 | 0 |
| 1998 | 13 | 0 |
| 1999 | 16 | 0 |
| 2000 | 21 | 0 |
| 2001 | 12 | 9 |
| 2002 | 25 | 23 |
| 2003 | 15 | 26 |
| 2004 | 19 | 20 |
| 2005 | 17 | 33 |
| 2006 | 18 | 26 |
| 2007 | 17 | 21 |
| 2008 | 14 | 19 |
| 2009 | 22 | 26 |
| 2010 | 27 | 27 |
| 2011 | 22 | 18 |
| 2012 | 19 | 24 |
| 2013 | 18 | 9 |
| 2014 | 22 | 14 |
| 2015 | 15 | 12 |
| 2016 | 14 | 7 |
| 2017 | 8 | 20 |
| 2018 | 17 | 17 |
| 2019 | 15 | 10 |
| 2020 | 7 | 3 |
| 2021 | 6 | 8 |
| 2022 | 5 | 7 |
| 2023 | 4 | 13 |
| 2024 | 17 | 14 |
| 2025 | 6 | 7 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 1/0318Integral pick-up heads, i.e. self-contained heads whose basic elements are a light-source223
- H04N 1/0311Using an array of elements to project the scanned image elements onto210
- H04N 1/0315Using photodetectors and illumination means mounted on separate supports or substrates or201
- H04N 1/0313Direct contact pick-up heads, i.e. heads having no array of elements to114
- H04N 1/0314Using photodetectors and illumination means mounted in the same plane on a36
Recent patents
- Image reading device, adjustment method and non-transitory computer-readable recording medium encoded with adjustment program1 Sep 2026US 12,726,578 B2Konica Minolta, Inc.
- Optical line sensor3 Feb 2026US 12,541,096 B2Vienex Corporation
- Device and method for improving the reproducibility of recordings20 Jan 2026US 12,531,956 B2CI Tech Sensors AG
- Rod lens array, optical device, image sensor, printer, inspection apparatus, base glass composition for gradient-index rod lens, and method of manufacturing gradient-index rod lens30 Dec 2025US 12,510,694 B2Nippon Sheet Glass Co., Ltd.
- Device housing, image reading device, and electrostatic capacitance detection device including a ground auxiliary conductor disposed over a level difference existing between a plane including an electrically conductive surface and a plane including a ground conductor19 Aug 2025US 12,395,595 B2Mitsubishi Electric Corporation
- Imager and non-transitory recording medium8 Oct 2026US 2026/0313061 A1Pfu Limited
- Device and Method for Image Recording26 Feb 2026US 2026/0059062 A1CI Tech Sensors AG
- Rod lens array, optical device, image sensor, printer, inspection apparatus, base glass composition for gradient-index rod lens, and method of manufacturing gradient-index rod lens29 Jan 2026US 2026/0029560 A1Nippon Sheet Glass Co., Ltd.
- Optical device, image sensor, and method for manufacturing optical device15 Jan 2026US 2026/0016619 A1Nippon Sheet Glass Co., Ltd.
- Contact Image Sensor25 Dec 2025US 2025/0392808 A1Weihai Hualing Opto-Electronics Co., Ltd.
Most cited
By later US patents
- Electronic microcopier apparatus189US 4,523,235 A1985
- Waveguide type compact optical scanner and manufacturing method thereof139US 5,747,796 ASharp Kabushiki Kaisha · 1998
- Contact type image sensor, producing method of the same, and information processing apparatus133US 5,489,995 ACanon Kabushiki Kaisha · 1996
- Contact-type image sensor126US 6,166,832 ARohm Co., Ltd. · 2000
- Document reading apparatus, having a body unit for holding apparatus components116US 5,399,850 AKYOCERA Corporation · 1995