H04B 1/0089
Using a first intermediate frequency higher that the highest of any band
Official title: {using a first intermediate frequency higher that the highest of any band received}
H04B1/0089 (Using a first intermediate frequency higher that the highest of any band) appears on 69 US grants and 53 published applications in this corpus.
Search patents in H04B- Granted patents
- 69
- Published applications
- 53
- Assignees
- 56
- Inventors
- 168
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 6 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 2 |
| 2004 | 1 | 1 |
| 2005 | 2 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 2 |
| 2010 | 4 | 6 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 2 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 3 |
| 2018 | 6 | 4 |
| 2019 | 1 | 4 |
| 2020 | 5 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 3 |
| 2023 | 3 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 4 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Load modulated radio-frequency amplifier with digital predistortion27 Jan 2026US 12,537,548 B2Apple Inc.
- Mobile devices with dual conversion of multiple frequency bands using a shared intermediate frequency25 Feb 2025US 12,237,858 B2Skyworks Solutions, Inc.
- Signal receiver including digital image signal separation26 Dec 2023US 11,855,664 B2Keysight Technologies, Inc.
- Apparatus for radio-frequency matching networks and associated methods5 Sep 2023US 11,750,167 B2Silicon Laboratories Inc.
- Apparatus for receiver with concurrent detection and associated methods21 Mar 2023US 11,611,360 B2Silicon Laboratories Inc.
- Differentiated ultra-wideband sensing architecture13 Aug 2026US 2026/0238237 A1Infineon Technologies AG
- Systems and techniques for performing data transfers at a distance6 Aug 2026US 2026/0230334 A1Apple Inc.
- Communication method and apparatus16 Jul 2026US 2026/0205859 A1Huawei Technologies Co., Ltd.
- Uwb communication method, uwb device, and medium28 May 2026US 2026/0149471 A1Calterah Semiconductor Technology (Shanghai) Co., Ltd.
- Load Modulated Radio-frequency Amplifier with Digital Predistortion28 May 2026US 2026/0149472 A1Apple Inc.
Most cited
By later US patents
- Wideband communication intercept and direction finding device using hyperchannelization299US 6,898,235 B1Argon ST, Inc. · 2005
- Digitally programmable multifunction radio system architecture271US 6,072,994 ANorthrop Grumman Corporation · 2000
- Wideband multi-protocol wireless radio transceiver system156US 6,526,264 B2Cognio, Inc. · 2003
- Broadband low-noise low-intermodulation receiver97US 5,930,696 A1999
- Multi-band digital receiving apparatus and method with bandwidth reduction73US 5,280,636 AHughes Aircraft Company · 1994