H03K 4/04
Generating pulses having essentially a finite slope or stepped portions: having parabolic
Official title: having parabolic shape
H03K4/04 (Generating pulses having essentially a finite slope or stepped portions: having parabolic) appears on 24 US grants and 5 published applications in this corpus.
Search patents in H03K- Granted patents
- 24
- Published applications
- 5
- Assignees
- 16
- Inventors
- 41
- Latest grant
- 19 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 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 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 2 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sinusoidal wave formation for reduction of oscillations, harmonics and distortion using short pulses to reduce the number of required impedance injection units19 Jul 2022US 11,394,375 B2Smart Wires Inc.
- Waveform generator and waveform generating method22 Mar 2022US 11,283,457 B2Nuvoton Technology Corporation
- Rapid and high voltage pulse generation circuits3 Aug 2021US 11,082,033 B2Texas Instruments Incorporated
- Frequency converter based on non-linear transmission line including dispersion control elements4 May 2021US 10,998,891 B2Oxford University Innovation Limited
- Waveform generator11 Jul 2000US 6,088,015 AMatsushita Electric Industrial Co., Ltd.
- Pulse power supply device, dielectric barrier discharge device, and induction heating device6 Aug 2026US 2026/0231300 A1NISSIN lnc.
- Sinusoidal Wave Formation for Reduction of Oscillations, Harmonics and Distortion Using Short Pulses to Reduce the Number of Required Impedance Injection Units14 Apr 2022US 2022/0116028 A1Smart Wires Inc.
- Waveform generator and waveform generating method1 Jul 2021US 2021/0203335 A1Nuvoton Technology Corporation
- Rapid and high voltage pulse generation circuits29 Apr 2021US 2021/0126629 A1Texas Instruments Incorporated
- Frequency converter based on non-linear transmission line including dispersion control elements12 Nov 2020US 2020/0358430 A1Oxford University Innovation Limited
Most cited
By later US patents
- Parabola generators with auxiliary reset function18US 5,034,664 AThomson Consumer Electronics, Inc. · 1991
- Generator for producing a sawtooth and a parabolic signal13US 4,064,406 AU. S. Philips Corporation · 1977
- Circuit for producing a periodic parabolic signal8US 4,216,392 AU. S. Philips Corporation · 1980
- Horizontal deflector apparatus8US 5,113,122 AMitsubishi Kenki Kabushiki Kaisha · 1992
- Circuit arrangement for supplying a periodic, substantially parabolic signal7US 5,051,608 AU. S. Philips Corporation · 1991