G11B 3/40

Driving of heads relatively to stationary record carriers for transducing

G11B3/40 (Driving of heads relatively to stationary record carriers for transducing) appears on 19 US grants and 3 published applications in this corpus.

Search patents in G11B

Granted patents: 19
Published applications: 3
Assignees: 8
Inventors: 22
Latest grant: 22 Dec 2020

Filings by year

G11B 3/40: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	1	0
1977	0	0
1978	1	0
1979	1	0
1980	4	0
1981	3	0
1982	1	0
1983	1	0
1984	1	0
1985	2	0
1986	0	0
1987	1	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	0
2010	0	0
2011	0	0
2012	0	0
2013	0	0
2014	0	0
2015	0	0
2016	0	0
2017	1	1
2018	0	0
2019	0	2
2020	2	0

By publication year. Applications have been published since 2001.

Recent patents

Phonograph playing vehicle22 Dec 2020US 10,872,621 B2
Systems and methods for reading phonographic record data4 Feb 2020US 10,553,246 B2
Portable turntable device, system, and method6 Jun 2017US 9,672,844 B2Love Turntable, Inc.
Simplified sound reproducing device capable of reproducing a plurality of recorded items3 Mar 1987US 4,648,086 AOzen Corporation
Simplified record player capable of automatically housing reproducing stylus upon removal of record disc from the record player5 Feb 1985US 4,498,160 AOzen Corporation

Most cited

By later US patents