H04Q 3/0012
In which the relays are arranged in a matrix configuration
Official title: {in which the relays are arranged in a matrix configuration}
H04Q3/0012 (In which the relays are arranged in a matrix configuration) appears on 31 US grants and 10 published applications in this corpus.
Search patents in H04Q- Granted patents
- 31
- Published applications
- 10
- Assignees
- 24
- Inventors
- 56
- Latest grant
- 20 Oct 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 5 |
| 2008 | 0 | 3 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 3 | 0 |
| 2014 | 0 | 0 |
| 2015 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for controlling a device for distribution of signals20 Oct 2015US 9,167,178 B2Gvbb Holdings S.A.R.L.
- Switch matrix system and method13 Oct 2015US 9,157,952 B2National Instruments Corporation
- Provision of telecommunication services6 Aug 2013US 8,503,668 B2Ericsson Inc.
- Telecommunication distribution device with multi-circuit board arrangement7 May 2013US 8,437,344 B2ADC Telecommunications, Inc.
- Provision of telecommunication services15 Jan 2013US 8,355,497 B2Telefonaktiebolaget LM Ericsson (publ)
- Switch matrix system and method18 Oct 2012US 2012/0262009 A1National Instruments Corporation
- Provision of Telecommunication Services28 Jan 2010US 2010/0020789 A1Telefonaktiebolaget LM Ericsson (publ)
- Provision of Telecommunication Services27 Nov 2008US 2008/0291898 A1Ericsson Inc.
- Provision of Telecommunication Services27 Nov 2008US 2008/0292089 A1Ericsson Inc.
- Provision of Telecommunication Services27 Nov 2008US 2008/0292090 A1Ericsson Inc.
Most cited
By later US patents
- Efficient rearrangeable multistage switching networks55US 4,038,638 ABell Telephone Laboratories, Incorporated · 1977
- Path-finding scheme for a multistage switching network15US 4,004,103 ABell Telephone Laboratories, Incorporated · 1977
- Line switching apparatus8US 5,185,784 ARicoh Company, Ltd. · 1993
- Switching matrix7US 4,245,214 AMitel Corporation · 1981
- Switch matrix system and method7US 9,157,952 B2National Instruments Corporation · 2015