H01Q 19/20
Producing pencil beam by two cylindrical focusing devices with their focal lines
Official title: Producing pencil beam by two cylindrical focusing devices with their focal lines orthogonally disposed
H01Q19/20 (Producing pencil beam by two cylindrical focusing devices with their focal lines) appears on 10 US grants and 7 published applications in this corpus.
Search patents in H01Q- Granted patents
- 10
- Published applications
- 7
- Assignees
- 11
- Inventors
- 22
- Latest grant
- 8 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 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 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 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 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 2 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual-band antenna array with both fan beam and pencil beam8 Oct 2024US 12,113,306 B2Chongqing University
- Antenna apparatus and search apparatus7 Mar 2023US 11,600,928 B2Kabushiki Kaisha Toshiba
- Transmitter3 Aug 2021US 11,081,811 B2Hitachi, Ltd.
- Multi-beam Yagi-based MIMO antenna system12 Jan 2021US 10,892,562 B1King Fahd University of Petroleum and Minerals
- Antenna system6 Dec 2005US 6,972,730 B2Denso Corporation
- Antenna measurement device14 May 2026US 2026/0135627 A1Mitsubishi Electric Corporation
- Dual-band antenna array with both fan beam and pencil beam8 Jun 2023US 2023/0178897 A1Chongqing University
- Antenna apparatus and search apparatus15 Jul 2021US 2021/0218146 A1Kabushiki Kaisha Toshiba
- Multi-beam yagi-based mimo antenna system14 Jan 2021US 2021/0013629 A1King Fahd University of Petroleum and Minerals
- Transmitter27 Feb 2020US 2020/0067204 A1Hitachi, Ltd.
Most cited
By later US patents
- Antenna having two crossed cylindro-parabolic reflectors12US 4,665,405 AThomson-CSF · 1987
- Variable beamwidth antenna11US 3,938,162 AThe United States of America as represented by the United States National Aeronautics and Space Administration Office of General Counsel-Code GP · 1976
- Antenna with two orthogonally disposed parabolic cylindrical reflectors8US 4,208,661 A1980
- Antenna feed arrangement for correcting for astigmatism4US 4,482,898 AAT&T Bell Laboratories · 1984
- Parabolic antenna2US 4,024,543 A1977