H04B 7/0671
Using different delays between antennas
Official title: {using different delays between antennas}
H04B7/0671 (Using different delays between antennas) appears on 690 US grants and 709 published applications in this corpus.
Search patents in H04B- Granted patents
- 690
- Published applications
- 709
- Assignees
- 225
- Inventors
- 1,105
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 3 |
| 2002 | 6 | 8 |
| 2003 | 3 | 7 |
| 2004 | 14 | 19 |
| 2005 | 8 | 23 |
| 2006 | 5 | 22 |
| 2007 | 11 | 31 |
| 2008 | 15 | 44 |
| 2009 | 23 | 45 |
| 2010 | 22 | 60 |
| 2011 | 40 | 61 |
| 2012 | 70 | 57 |
| 2013 | 69 | 45 |
| 2014 | 68 | 46 |
| 2015 | 58 | 38 |
| 2016 | 34 | 22 |
| 2017 | 28 | 23 |
| 2018 | 27 | 18 |
| 2019 | 23 | 18 |
| 2020 | 25 | 19 |
| 2021 | 19 | 26 |
| 2022 | 28 | 17 |
| 2023 | 13 | 18 |
| 2024 | 12 | 14 |
| 2025 | 17 | 15 |
| 2026 | 7 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Transparent transmit diversity with bandwidth dependent delay15 Sep 2026US 12,739,008 B2Lenovo (Singapore) Pte. Ltd.
- Blind direction of arrival estimation systems and methods25 Aug 2026US 12,719,546 B2CesiumAstro, Inc.
- Phase alignment system and method18 Aug 2026US 12,712,556 B2QUALCOMM Incorporated
- Communication apparatus and communication method7 Jul 2026US 12,676,650 B2Panasonic Intellectual Property Corporation of America
- Cyclic shift diversity-based communication method and apparatus19 May 2026US 12,634,183 B2Huawei Technologies Co., Ltd.
- Network configuration of cyclic delay diversity for user equipment transmissions20 Aug 2026US 2026/0247373 A1QUALCOMM Incorporated
- Quasi-orthogonal spatially-coupled multiple-input, multiple-output6 Aug 2026US 2026/0230119 A1QUALCOMM Incorporated
- Srs enhancement for interference randomization7 May 2026US 2026/0128935 A1Samsung Electronics Co., Ltd.
- Sounding 8 antenna ports on multiple ofdm symbols2 Apr 2026US 2026/0095279 A1Lenovo (Beijing) Limited
- Cyclic shift diversity setting for multi-access point transmission and enhanced multi-link single-radio during coordinated beamforming exchange2 Apr 2026US 2026/0095903 A1
Most cited
By later US patents
- Low cost anvil assembly for a circular stapler760US 8,910,847 B2Ethicon Endo-Surgery, Inc. · 2014
- CDMA microcellular telephone system and distributed antenna system therefor661US 5,280,472 AQUALCOMM Incorporated · 1994
- Dual distributed antenna system415US 5,513,176 AQUALCOMM Incorporated · 1996
- Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system406US 5,265,119 AQUALCOMM Incorporated · 1993
- Modified preamble structure for IEEE 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, MIMO or otherwise extended devices252US 7,599,332 B2QUALCOMM Incorporated · 2009