H04N 2201/0452
Indicating the scanned area
Official title: Indicating the scanned area, e.g. by projecting light marks onto the medium
H04N2201/0452 (Indicating the scanned area) appears on 40 US grants and 39 published applications in this corpus.
Search patents in H04N- Granted patents
- 40
- Published applications
- 39
- Assignees
- 37
- Inventors
- 93
- Latest grant
- 8 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 2 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 0 |
| 2006 | 1 | 3 |
| 2007 | 0 | 1 |
| 2008 | 1 | 4 |
| 2009 | 2 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 6 |
| 2012 | 3 | 2 |
| 2013 | 5 | 4 |
| 2014 | 4 | 3 |
| 2015 | 3 | 4 |
| 2016 | 3 | 1 |
| 2017 | 4 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Image reading device8 Apr 2025US 12,273,492 B2Pfu Limited
- Pattern projection depth value 3D scanning device and method1 Jun 2021US 11,022,435 B2Kallion, Inc.
- Scan area indication3 Oct 2017US 9,781,301 B2Hewlett-Packard Development Company, L. P.
- Image recording method having adaptive marking light emission and such an image recording device11 Jul 2017US 9,706,129 B2
- Electronic device28 Feb 2017US 9,581,435 B2Funai Electric Co., Ltd.
- Image reading device21 Sep 2023US 2023/0300271 A1Pfu Limited
- 3d scanning device and method30 May 2019US 2019/0162529 A1Kallion, Inc.
- Image reading apparatus18 Jan 2018US 2018/0020123 A1Canon Kabushiki Kaisha
- Scan area indication16 Mar 2017US 2017/0078526 A1Hewlett-Packard Development Company, L. P.
- Electronic device22 Sep 2016US 2016/0273910 A1Funai Electric Co., Ltd.
Most cited
By later US patents
- Method and apparatus for indicating a field of view for a document camera135US 6,463,220 B1Xerox Corporation · 2002
- Hand-held optical scanner and highlighter70US 5,142,161 A1992
- Curled surface imaging system29US 6,885,479 B1Hewlett-Packard Development Company, L. P. · 2005
- Document reading apparatus with area recognizing sensor and obstacle detection18US 5,194,729 AMinolta Camera Kabushiki Kaisha · 1993
- PDA compatible text scanner12US 7,364,077 B22008