H04N 2201/0456
For maintaining a predetermined distance between the scanning elements and the picture-bearing
Official title: for maintaining a predetermined distance between the scanning elements and the picture-bearing surface
H04N2201/0456 (For maintaining a predetermined distance between the scanning elements and the picture-bearing) appears on 137 US grants and 142 published applications in this corpus.
Search patents in H04N- Granted patents
- 137
- Published applications
- 142
- Assignees
- 62
- Inventors
- 263
- Latest grant
- 24 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 2 |
| 2002 | 0 | 3 |
| 2003 | 7 | 9 |
| 2004 | 3 | 8 |
| 2005 | 2 | 16 |
| 2006 | 5 | 13 |
| 2007 | 7 | 22 |
| 2008 | 6 | 4 |
| 2009 | 11 | 8 |
| 2010 | 12 | 10 |
| 2011 | 8 | 6 |
| 2012 | 10 | 6 |
| 2013 | 14 | 11 |
| 2014 | 11 | 10 |
| 2015 | 8 | 1 |
| 2016 | 2 | 5 |
| 2017 | 4 | 2 |
| 2018 | 2 | 4 |
| 2019 | 4 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Multi-sheet handling for document digitization24 May 2022US 11,339,019 B2Ripcord Inc.
- Portable image capturing electronic device and image capturing system therewith2 Nov 2021US 11,165,939 B2Avision Inc.
- Optical flatbed scanner with rigid transparent plate fixing21 Jan 2020US 10,542,174 B2Global Scanning Denmark A/S
- In line color monitoring system10 Dec 2019US 10,506,107 B2QuadTech, Inc.
- Image reading apparatus26 Nov 2019US 10,488,748 B2Pfu Limited
- Multi-sheet handling for document digitization12 Mar 2020US 2020/0079608 A1Ripcord Inc.
- Portable image capturing electronic device and image capturing system therewith4 Jul 2019US 2019/0204715 A1Avision Inc.
- Image reading apparatus and image reading method8 Nov 2018US 2018/0324315 A1Pfu Limited
- Image reading apparatus30 Aug 2018US 2018/0246401 A1Pfu Limited
- Optical flatbed scanner with rigid transparent plate fixing30 Aug 2018US 2018/0249034 A1Global Scanning Denmark A/S
Most cited
By later US patents
- Floating light source module for film scanners50US 6,654,149 B1Avision Inc. · 2003
- Image scanner having contact-type image sensor movable under automatic document feeder47US 5,610,731 ARicoh Company, Ltd. · 1997
- Scanner having a variable object plane45US 6,603,580 B1Xerox Corporation · 2003
- Constant distance contactless device42US 6,119,536 AXerox Corporation · 2000
- Image scanner having contact-type image sensor41US 5,734,483 ARicoh Company, Ltd. · 1998