H03K 4/52
Using two semiconductor devices so coupled that the input of each one
Official title: using two semiconductor devices so coupled that the input of each one is derived from the output of the other, e.g. multivibrator
H03K4/52 (Using two semiconductor devices so coupled that the input of each one) appears on 8 US grants and 5 published applications in this corpus.
Search patents in H03K- Granted patents
- 8
- Published applications
- 5
- Assignees
- 6
- Inventors
- 14
- Latest grant
- 21 Jul 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 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 | 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 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Resistance circuit, oscillation circuit, and in-vehicle sensor apparatus21 Jul 2020US 10,720,418 B2Hitachi Automotive Systems, Ltd.
- Quadrature relaxation oscillator using frequency error compensation loop26 May 2020US 10,666,236 B2Postech Academy-Industry Foundation
- Circuit and method to generate frequency proportional current24 Mar 2020US 10,601,412 B2Texas Instruments Incorporated
- Circuit and method to generate frequency proportional current26 Jun 2018US 10,009,019 B2Texas Instruments Incorporated
- Voltage or current controlled current-feedback operational-amplifier based multivibrator10 Nov 2015US 9,184,734 B1King Fahd University of Petroleum and Minerals
- Resistance circuit, oscillation circuit, and in-vehicle sensor apparatus9 Jan 2020US 2020/0013769 A1Hitachi Automotive Systems, Ltd.
- Quadrature phase relaxation oscillator using frequency error compensation loop17 Oct 2019US 2019/0319611 A1Postech Academy-Industry Foundation
- Circuit and method to generate frequency proportional current13 Sep 2018US 2018/0262185 A1Texas Instruments Incorporated
- Circuit and method to generate frequency proportional current5 Apr 2018US 2018/0097513 A1Texas Instruments Deutschland GmbH
- Circuit for generating clock of semiconductor memory apparatus12 Jun 2008US 2008/0136486 A1Hynix Semiconductor Inc.
Most cited
By later US patents
- Voltage or current controlled current-feedback operational-amplifier based multivibrator5US 9,184,734 B1King Fahd University of Petroleum and Minerals · 2015
- Circuit and method to generate frequency proportional current1US 10,009,019 B2Texas Instruments Incorporated · 2018
- Voltage-controlled sweep multivibrator1US 3,956,642 A1976
- Exponential sweep multivibrator1US 3,982,139 A1976