H04N 5/148
Video amplifiers
Official title: {Video amplifiers (amplifiers in general H03F)}
H04N5/148 (Video amplifiers) appears on 98 US grants and 38 published applications in this corpus.
Search patents in H04N- Granted patents
- 98
- Published applications
- 38
- Assignees
- 59
- Inventors
- 142
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 7 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 0 |
| 2004 | 6 | 6 |
| 2005 | 2 | 1 |
| 2006 | 2 | 6 |
| 2007 | 4 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 6 |
| 2010 | 5 | 2 |
| 2011 | 3 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 2 | 2 |
| 2016 | 0 | 2 |
| 2017 | 3 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus and method for visualizing periodic motions in mechanical components13 May 2025US 12,300,273 B2Rdi Technologies, Inc.
- Apparatus and method for visualizing periodic motions in mechanical components18 Apr 2023US 11,631,432 B1Rdi Technologies, Inc.
- Apparatus and method for visualizing periodic motions in mechanical components5 May 2020US 10,643,659 B1Rdi Technologies, Inc.
- Operational amplifier, load driving apparatus and grayscale voltage generating circuit14 Apr 2020US 10,621,905 B2Novatek Microelectronics Corp.
- Apparatus and method for visualizing periodic motions in mechanical components28 Aug 2018US 10,062,411 B2
- Apparatus and method for visualizing periodic motions in mechanical components21 Apr 2022US 2022/0122638 A1Rdi Technologies, Inc.
- Infinitely adjustable active digital television (dtv) amplifier with timing and displaying functions15 Jul 2021US 2021/0218953 A1Jiangxi Innovation Technology Co., Ltd.
- Operational amplifier, load driving apparatus and grayscale voltage generating circuit4 Jan 2018US 2018/0005554 A1Novatek Microelectronics Corp.
- Method and apparatus for locally sharpening a video image using a spatial indication of blurring10 Aug 2017US 2017/0230546 A1
- Apparatus and Method for Visualizing Periodic Motions in Mechanical Components13 Oct 2016US 2016/0300341 A1
Most cited
By later US patents
- Drive circuit for a cathode ray tube51US 5,604,404 ASony Corporation · 1997
- Audio/video amplifier with the function of automatic turning on/off49US 6,690,431 B1MG International (Zhong Shan) Co., Ltd. · 2004
- Signal amplifier, signal amplifier circuit, signal line drive circuit and image display device36US 6,054,976 ASharp Kabushiki Kaisha · 2000
- Complementary push-pull CMOS source follower analog video buffer29US 5,959,475 AXerox Corporation · 1999
- On-screen display/video signal processor for a monitor28US 5,724,104 ADaewoo Electronics Co., Ltd. · 1998