H04Q 3/542
Logic circuits or arrangements therefor
Official title: {Logic circuits or arrangements therefor}
H04Q3/542 (Logic circuits or arrangements therefor) appears on 35 US grants and 3 published applications in this corpus.
Search patents in H04Q- Granted patents
- 35
- Published applications
- 3
- Assignees
- 11
- Inventors
- 19
- Latest grant
- 23 Mar 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 10 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus and method for communications control23 Mar 2010US 7,684,386 B2Plant Equipment, Inc.
- Universal switch11 Sep 2007US 7,268,642 B2National Instruments Corporation
- Method and apparatus for managing telecommunications8 Apr 2003US 6,545,589 B1Aspect Communications Corporation
- Intelligent telephone control system which allows subscribers to remotely control a plurality of call handling utilities17 Sep 2002US 6,453,164 B1Aspect Communications Corporation
- Personal communicator telephone system18 Dec 2001US 6,332,082 B1Aspect Telecommunications Corporation
Most cited
By later US patents
- Telephone control system with branch routing343US 5,375,161 AAccessLine Technologies, Inc. · 1994
- Remote access telephone control system221US 4,893,335 AFuller Research and Development Company · 1990
- Telephone control system which connects a caller with a subscriber AT A telephone address178US 5,752,191 AAccessLine Technologies, Inc. · 1998
- Enhanced call waiting161US 5,825,867 AAspect Telecommunications Corporation · 1998
- Telephone system with scheduled handling of calls149US 5,610,970 AAccessLine Technologies, Inc. · 1997