H04N 1/32734
Maintaining the detecting operation after an apparatus has been connected to the
Official title: {Maintaining the detecting operation after an apparatus has been connected to the line}
H04N1/32734 (Maintaining the detecting operation after an apparatus has been connected to the) appears on 10 US grants and 12 published applications in this corpus.
Search patents in H04N- Granted patents
- 10
- Published applications
- 12
- Assignees
- 8
- Inventors
- 19
- Latest grant
- 31 Dec 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 4 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 3 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Printing apparatus having direct wireless communication function, control method for printing apparatus, and storage medium31 Dec 2019US 10,523,841 B2Canon Kabushiki Kaisha
- Facsimile communication device, line disconnection judgment method and non-transitory recording medium storing a computer readable program2 Jul 2019US 10,341,526 B2Konica Minolta, Inc.
- Printing apparatus having direct wireless communication function, control method for printing apparatus, and storage medium22 Aug 2017US 9,742,956 B2Canon Kabushiki Kaisha
- Communication device16 Jul 2013US 8,488,206 B2Brother Kogyo Kabushiki Kaisha
- Facsimile device31 Aug 2010US 7,787,156 B2Brother Kogyo Kabushiki Kaisha
- Facsimile communication device, line disconnection judgment method and non-transitory recording medium storing a computer readable program3 May 2018US 2018/0124275 A1Konica Minolta, Inc.
- Printing apparatus having direct wireless communication function, control method for printing apparatus, and storage medium26 Oct 2017US 2017/0310847 A1Canon Kabushiki Kaisha
- Printing apparatus having direct wireless communication function, control method for printing apparatus, and storage medium28 Jan 2016US 2016/0028918 A1Canon Kabushiki Kaisha
- Communication device11 Nov 2010US 2010/0284042 A1Brother Kogyo Kabushiki Kaisha
- Communication Terminal Device, Communication Method, and Communication System19 Jul 2007US 2007/0165652 A1Murata Kikai Kabushiki Kaisha
Most cited
By later US patents
- Method and apparatus for discrimination between different kinds of data transmission35US 4,850,008 AExtel Corporation · 1989
- Apparatus and method for CNG detection with call waiting2US 7,184,537 B2Command Communications, Inc. · 2007
- Communication device2US 7,782,494 B2Brother Kogyo Kabushiki Kaisha · 2010
- Communication device2US 8,488,206 B2Brother Kogyo Kabushiki Kaisha · 2013
- Method and apparatus for validation of facsimile communication1US 7,688,956 B2Lexmark International, Inc. · 2010