H03K 4/90
Linearisation of ramp
Official title: Linearisation of ramp (modifying slopes of pulses H03K6/04; scanning distortion correction for television receivers H04N3/23); Synchronisation of pulses
H03K4/90 (Linearisation of ramp) appears on 58 US grants and 33 published applications in this corpus.
Search patents in H03K- Granted patents
- 58
- Published applications
- 33
- Assignees
- 40
- Inventors
- 90
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 1 | 2 |
| 2012 | 3 | 2 |
| 2013 | 1 | 2 |
| 2014 | 3 | 3 |
| 2015 | 1 | 4 |
| 2016 | 6 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 4 |
| 2019 | 3 | 2 |
| 2020 | 2 | 1 |
| 2021 | 3 | 1 |
| 2022 | 0 | 2 |
| 2023 | 2 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ramp signal generator and image sensor and electronic device including the same24 Mar 2026US 12,587,767 B2Samsung Electronics Co., Ltd.
- Pulse width modulated amplifier5 Mar 2024US 11,923,813 B2Texas Instruments Incorporated
- Trimming control circuit for current integration ramp DAC settling assist circuit26 Sep 2023US 11,770,634 B1OmniVision Technologies, Inc.
- Current steering ramp compensation scheme and digital circuit implementation11 Apr 2023US 11,627,273 B2OmniVision Technologies, Inc.
- Pulse width modulated amplifier16 Nov 2021US 11,177,785 B1Texas Instruments Incorporated
- Buffer circuit and imaging device29 Jan 2026US 2026/0031801 A1Sony Semiconductor Solutions Corporation
- Ramp signal generator and image sensor and electronic device including the same10 Apr 2025US 2025/0119668 A1Samsung Electronics Co., Ltd.
- Trimming control circuit for current integration ramp dac settling assist circuit19 Oct 2023US 2023/0336889 A1OmniVision Technologies, Inc.
- Current steering ramp compensation scheme and digital circuit implementation6 Oct 2022US 2022/0321815 A1OmniVision Technologies, Inc.
- Pulse Width Modulated Amplifier24 Mar 2022US 2022/0094312 A1Texas Instruments Incorporated
Most cited
By later US patents
- Versatile video CRT display24US 4,361,785 AK&R Engineering Sales Corporation · 1982
- Sawtooth wave oscillator13US 4,413,237 ASony Corporation · 1983
- Deflection system12US 3,970,894 AMatsushita Electric Industrial Co., Ltd. · 1976
- Triangular wave generating circuit having synchronization with external clock12US 7,746,130 B2Elite Semiconductor Memory Technology Inc. · 2010
- Circuit for driving deflection coil10US 4,281,275 AElliott Brothers (London) Limited · 1981