H03J 5/0245
Discontinuous tuning using an electrical variable impedance element
Official title: {Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form (microprocessor tuning H03J1/0008)}
H03J5/0245 (Discontinuous tuning using an electrical variable impedance element) appears on 482 US grants and 53 published applications in this corpus.
Search patents in H03J- Granted patents
- 482
- Published applications
- 53
- Assignees
- 144
- Inventors
- 550
- Latest grant
- 5 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 34 | 0 |
| 1977 | 33 | 0 |
| 1978 | 45 | 0 |
| 1979 | 36 | 0 |
| 1980 | 49 | 0 |
| 1981 | 46 | 0 |
| 1982 | 33 | 0 |
| 1983 | 22 | 0 |
| 1984 | 22 | 0 |
| 1985 | 15 | 0 |
| 1986 | 8 | 0 |
| 1987 | 8 | 0 |
| 1988 | 9 | 0 |
| 1989 | 8 | 0 |
| 1990 | 12 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 10 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 2 | 2 |
| 2002 | 5 | 5 |
| 2003 | 3 | 3 |
| 2004 | 1 | 4 |
| 2005 | 1 | 3 |
| 2006 | 4 | 4 |
| 2007 | 4 | 1 |
| 2008 | 2 | 1 |
| 2009 | 2 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 18 |
| 2016 | 6 | 1 |
| 2017 | 3 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 1 |
| 2020 | 2 | 4 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- FET capacitor circuit architectures for tunable load and input matching5 Jul 2022US 11,380,679 B2Intel Corporation
- Semiconductor device and wireless communication apparatus15 Jun 2021US 11,038,462 B2Sony Semiconductor Solutions Corporation
- Redundant DCO tuning with overlapping fractional regions8 Sep 2020US 10,771,071 B1Apple Inc.
- Reconfigurable allocation of VNCAP inter-layer vias for co-tuning of L and C in LC tank19 May 2020US 10,658,973 B2International Business Machines Corporation
- Communication apparatus and method13 Aug 2019US 10,382,070 B2Huawei Technologies Co., Ltd.
- Semiconductor device and wireless communication apparatus8 Oct 2020US 2020/0321914 A1Sony Semiconductor Solutions Corporation
- Redundant dco tuning with overlapping fractional regions1 Oct 2020US 2020/0313681 A1Intel Corporation
- Frequency synthesizer and method thereof18 Jun 2020US 2020/0195262 A1Industrial Technology Research Institute
- Fet capacitor circuit architectures for tunable load and input matching26 Mar 2020US 2020/0098746 A1Intel Corporation
- Reconfigurable Allocation of VNCAP Inter-layer Vias for Co-Tuning of L and C in LC Tank31 Oct 2019US 2019/0334477 A1International Business Machines Corporation
Most cited
By later US patents
- Tuning mode arrangement useful for restricting channel selection to certain channels315US 4,355,415 ARCA Corporation · 1982
- Television channel lockout273US 4,510,623 AGeneral Electric Company · 1985
- Channel assignment for CATV system266US 4,527,194 AZenith Electronics Corporation · 1985
- Television system scheduler261US 4,162,513 ARCA Corporation · 1979
- Transmitting and receiving apparatus for permitting the transmission and reception of multi-tier subscription programs215US 4,430,669 APayview Limited · 1984