H04M 1/6545
Mechanically actuating hook switch
Official title: {mechanically actuating hook switch, e.g. lifting handset}
H04M1/6545 (Mechanically actuating hook switch) appears on 19 US grants and 7 published applications in this corpus.
Search patents in H04M- Granted patents
- 19
- Published applications
- 7
- Assignees
- 11
- Inventors
- 41
- Latest grant
- 19 Nov 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Device for analyzing a disturbance of a facsimile communication device and non-transitory recording medium storing a computer readable program19 Nov 2019US 10,484,553 B2Konica Minolta, Inc.
- Online indicator adapter9 Sep 2014US 8,832,322 B2Plantronics, Inc.
- Adaptive ringtone detector15 Jul 2014US 8,781,108 B2GN Netcom A/S
- Adaptive ringtone detector25 Sep 2012US 8,275,122 B2GN Netcom A/S
- Wireless remote controlled handset lifter system using magnetically coupled ring detection14 Jun 2011US 7,961,870 B2GN Netcom A/S
- Communication disturbance analysis device and non-transitory recording medium storing a computer readable program21 Feb 2019US 2019/0058802 A1Konica Minolta, Inc.
- Adaptive Ringtone Detector19 Sep 2013US 2013/0243182 A1GN Netcom A/S
- Online Indicator Adapter25 Jul 2013US 2013/0191554 A1Plantronics, Inc.
- Adaptive Ringtone Detector22 Dec 2011US 2011/0312304 A1GN Netcom A/S
- Wireless remote controlled handset lifter system using magnetically coupled ring detection4 Oct 2007US 2007/0230685 A1GN Netcom, Inc.
Most cited
By later US patents
- Automatic headset hookswitch22US 6,735,453 B1Plantronics, Inc. · 2004
- Telephone handset lifting device13US 4,392,017 A1983
- Telephone system and bell sound detecting method thereof12US 5,758,289 AUniden America Corporation · 1998
- Telephone system11US 5,732,355 AUniden America Corporation · 1998
- Automatic answering pick-up device10US 5,930,354 AHello Direct, Inc. · 1999