H04B 7/0894
Using different delays between antennas
Official title: {using different delays between antennas}
H04B7/0894 (Using different delays between antennas) appears on 152 US grants and 130 published applications in this corpus.
Search patents in H04B- Granted patents
- 152
- Published applications
- 130
- Assignees
- 87
- Inventors
- 299
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 1 |
| 2002 | 7 | 11 |
| 2003 | 3 | 5 |
| 2004 | 2 | 9 |
| 2005 | 6 | 10 |
| 2006 | 7 | 13 |
| 2007 | 7 | 9 |
| 2008 | 8 | 5 |
| 2009 | 5 | 8 |
| 2010 | 7 | 6 |
| 2011 | 6 | 6 |
| 2012 | 4 | 5 |
| 2013 | 11 | 3 |
| 2014 | 5 | 6 |
| 2015 | 11 | 7 |
| 2016 | 6 | 9 |
| 2017 | 4 | 3 |
| 2018 | 6 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 2 |
| 2021 | 2 | 3 |
| 2022 | 1 | 3 |
| 2023 | 3 | 0 |
| 2024 | 3 | 3 |
| 2025 | 3 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for selecting cyclic shift diversity sequence, and related apparatus12 Aug 2025US 12,388,509 B2Huawei Technologies Co., Ltd.
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- Spatial multiplexing with single transmitter on wideband channels8 Oct 2024US 12,113,593 B2Koninklijke Philips N. V.
- Multiple receiver combining for wireless communications9 Oct 2025US 2025/0317192 A1Apple Inc.
- Adaptive operation to mitigate specular reflections27 Mar 2025US 2025/0105908 A1Apple Inc.
- Method for selecting cyclic shift diversity sequence, and related apparatus15 Feb 2024US 2024/0056157 A1Huawei Technologies Co., Ltd.
- Multiple receiver combining for wireless communications25 Jan 2024US 2024/0030998 A1Apple Inc.
- Adaptive operation to mitigate specular reflections18 Jan 2024US 2024/0022313 A1Apple Inc.
Most cited
By later US patents
- CDMA microcellular telephone system and distributed antenna system therefor661US 5,280,472 AQUALCOMM Incorporated · 1994
- System and method for equalizing the delay time for transmission paths in a distributed antenna network457US 5,805,983 AEricsson Inc. · 1998
- Dual distributed antenna system415US 5,513,176 AQUALCOMM Incorporated · 1996
- Channels estimation for multiple input—multiple output, orthogonal frequency division multiplexing (OFDM) system227US 6,850,481 B2Nortel Networks Limited · 2005
- Dual distributed antenna system151US 5,533,011 AQUALCOMM Incorporated · 1996