H04N 1/32795
Arrangements for keeping the communication line open
Official title: {Arrangements for keeping the communication line open}
H04N1/32795 (Arrangements for keeping the communication line open) appears on 84 US grants and 44 published applications in this corpus.
Search patents in H04N- Granted patents
- 84
- Published applications
- 44
- Assignees
- 43
- Inventors
- 147
- Latest grant
- 7 Feb 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 10 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 2 |
| 2002 | 6 | 4 |
| 2003 | 4 | 3 |
| 2004 | 1 | 2 |
| 2005 | 3 | 3 |
| 2006 | 2 | 1 |
| 2007 | 1 | 4 |
| 2008 | 1 | 1 |
| 2009 | 3 | 3 |
| 2010 | 3 | 2 |
| 2011 | 3 | 3 |
| 2012 | 2 | 2 |
| 2013 | 4 | 1 |
| 2014 | 2 | 0 |
| 2015 | 2 | 3 |
| 2016 | 1 | 1 |
| 2017 | 3 | 5 |
| 2018 | 3 | 1 |
| 2019 | 2 | 0 |
| 2020 | 0 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Communication apparatus and printer for performing wireless communication of image data representing image of print target7 Feb 2023US 11,575,802 B2Brother Kogyo Kabushiki Kaisha
- Communication apparatus and printer for performing wireless communication of image data representing image of print target23 Nov 2021US 11,184,503 B2Brother Kogyo Kabushiki Kaisha
- Information processing apparatus, recording medium, and image forming system for maintaining a communication with an image forming apparatus2 Nov 2021US 11,165,927 B2Ricoh Company, Ltd.
- Devices, systems, and methods for controlling a link with a storage server5 Nov 2019US 10,469,709 B2Ricoh Company, Ltd.
- Image forming apparatus capable of being set to power saving mode, method of controlling the same, and storage medium9 Apr 2019US 10,257,381 B2Canon Kabushiki Kaisha
- Image reading apparatus, control method therefor, and storage medium26 Mar 2026US 2026/0089284 A1Canon Denshi Kabushiki Kaisha
- Communication apparatus and printer17 Mar 2022US 2022/0086305 A1Brother Kogyo Kabushiki Kaisha
- Information processing apparatus, recording medium, and image forming system2 Jul 2020US 2020/0213471 A1Ricoh Company, Ltd.
- Device, device coordination system, and device coordination method17 May 2018US 2018/0139355 A1Ricoh Company, Ltd.
- Image forming apparatus capable of being set to power saving mode, method of controlling the same, and storage medium13 Jul 2017US 2017/0201646 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Facsimile radio communication system70US 5,282,238 ASilicon Engines, Inc. · 1994
- Telephone ring detector65US 5,544,241 A1996
- System and method for improving facsimile delay tolerances59US 5,790,641 ANorthern Telecom Limited · 1998
- Packet-switched facsimile network and method of operation49US 5,546,388 A1996
- Packet-switched data network and method of operation48US 5,881,064 A1999