H04Q 1/56

Balancing circuitry switched-on automatically in dependence on automatically-selected lines

H04Q1/56 (Balancing circuitry switched-on automatically in dependence on automatically-selected lines) appears on 3 US grants and 2 published applications in this corpus.

Search patents in H04Q

Granted patents: 3
Published applications: 2
Assignees: 3
Inventors: 4
Latest grant: 20 Jan 2015

Filings by year

H04Q 1/56: granted patents and published applications per publication year
Year	Granted patents	Published applications
1984	1	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	0	0
1997	0	0
1998	0	0
1999	0	0
2000	0	0
2001	0	0
2002	0	0
2003	0	0
2004	0	0
2005	0	0
2006	0	0
2007	0	0
2008	0	0
2009	0	1
2010	0	0
2011	1	0
2012	0	1
2013	0	0
2014	0	0
2015	1	0

By publication year. Applications have been published since 2001.

Recent patents

Storage system comprising function for migrating virtual communication port added to physical communication port20 Jan 2015US 8,937,965 B2Hitachi, Ltd.
Storage system comprising function for migrating virtual communication port added to physical communication port13 Dec 2011US 8,078,690 B2Hitachi, Ltd.
Adaptive equalizer3 Jan 1984US 4,424,498 AInternational Standard Electric Corporation

Most cited

By later US patents