H04N 1/32717
A calling tone
Official title: {a calling tone, e.g. CI}
H04N1/32717 (A calling tone) appears on 117 US grants and 24 published applications in this corpus.
Search patents in H04N- Granted patents
- 117
- Published applications
- 24
- Assignees
- 35
- Inventors
- 165
- Latest grant
- 31 Jul 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 10 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 17 | 0 |
| 1997 | 9 | 0 |
| 1998 | 8 | 0 |
| 1999 | 10 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 3 |
| 2009 | 2 | 1 |
| 2010 | 1 | 3 |
| 2011 | 1 | 1 |
| 2012 | 3 | 4 |
| 2013 | 4 | 0 |
| 2014 | 2 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Image forming apparatus31 Jul 2018US 10,038,817 B2KYOCERA Document Solutions Inc.
- Communicating apparatus, control method therefor, and storage medium storing program16 Feb 2016US 9,264,576 B2Canon Kabushiki Kaisha
- Facsimile device performing off-hook in preset specified number of rings without ring apparatus26 May 2015US 9,041,983 B2KYOCERA Document Solutions Inc.
- Image processing apparatus, method for controlling the same, and storage medium6 May 2014US 8,718,247 B2Canon Kabushiki Kaisha
- Improper connection determination method and communication apparatus4 Feb 2014US 8,644,456 B2Brother Kogyo Kabushiki Kaisha
- Image forming apparatus30 Mar 2017US 2017/0094106 A1KYOCERA Document Solutions Inc.
- Communicating apparatus, control method therefor, and storage medium storing program10 Sep 2015US 2015/0256711 A1Canon Kabushiki Kaisha
- Facsimile Device Performing Off-Hook in Preset Specified Number of Rings without Ring Apparatus5 Mar 2015US 2015/0062665 A1KYOCERA Document Solutions Inc.
- Image processing apparatus, method for controlling the same, and storage medium15 Nov 2012US 2012/0288076 A1Canon Kabushiki Kaisha
- Facsimile communication apparatus and control method thereof2 Aug 2012US 2012/0194856 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Communication system for transmitting to a portable receiver data indicative of received image or voice signals154US 5,159,624 ASharp Kabushiki Kaisha · 1992
- Communication apparatus recognizing speech and automatically switching from data to speech transmission127US 4,815,121 ACanon Kabushiki Kaisha · 1989
- Multi-function telecommunications instrument78US 5,631,745 ACurrent Logic · 1997
- Data communication apparatus adapted to perform data communication and speech communication76US 4,800,439 ACanon Kabushiki Kaisha · 1989
- Automated attendant76US 5,206,900 A1993