H04B 1/69
Spread spectrum techniques
H04B1/69 (Spread spectrum techniques) appears on 13,970 US grants and 12,425 published applications in this corpus.
Search patents in H04B- Granted patents
- 13,970
- Published applications
- 12,425
- Assignees
- 2,556
- Inventors
- 15,588
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 12 | 0 |
| 1981 | 11 | 0 |
| 1982 | 12 | 0 |
| 1983 | 6 | 0 |
| 1984 | 21 | 0 |
| 1985 | 18 | 0 |
| 1986 | 24 | 0 |
| 1987 | 35 | 0 |
| 1988 | 13 | 0 |
| 1989 | 33 | 0 |
| 1990 | 49 | 0 |
| 1991 | 47 | 0 |
| 1992 | 78 | 0 |
| 1993 | 79 | 0 |
| 1994 | 99 | 0 |
| 1995 | 102 | 0 |
| 1996 | 139 | 0 |
| 1997 | 142 | 0 |
| 1998 | 263 | 0 |
| 1999 | 300 | 0 |
| 2000 | 312 | 0 |
| 2001 | 326 | 197 |
| 2002 | 359 | 692 |
| 2003 | 462 | 719 |
| 2004 | 504 | 777 |
| 2005 | 458 | 816 |
| 2006 | 692 | 645 |
| 2007 | 583 | 659 |
| 2008 | 599 | 672 |
| 2009 | 575 | 639 |
| 2010 | 632 | 562 |
| 2011 | 617 | 423 |
| 2012 | 630 | 392 |
| 2013 | 649 | 417 |
| 2014 | 558 | 465 |
| 2015 | 557 | 424 |
| 2016 | 430 | 378 |
| 2017 | 394 | 358 |
| 2018 | 346 | 375 |
| 2019 | 426 | 442 |
| 2020 | 501 | 495 |
| 2021 | 430 | 383 |
| 2022 | 375 | 351 |
| 2023 | 349 | 355 |
| 2024 | 302 | 310 |
| 2025 | 252 | 278 |
| 2026 | 161 | 201 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04B 1/707Using direct sequence modulation9,170
- H04B 1/713Using frequency hopping2,772
- H04B 1/7163Using impulse radio1,649
- H04B 2001/6912Using chirpIndexing code246
- H04B 2001/6908Using time hoppingIndexing code232
- H04B 1/692Hybrid techniques using combinations of two or more spread spectrum techniques186
- H04B 2001/6904Using code hoppingIndexing code31
- H04B 2001/6916Related theoryIndexing code1
Recent patents
- Transporting sampled analog signals over multiple electromagnetic pathways6 Oct 2026US 12,756,421 B2HYPHY USA Inc.
- Measurement device and a measurement interface having a radio communications module6 Oct 2026US 12,756,422 B2Renishaw PLC
- Ultra-wideband method and apparatus6 Oct 2026US 12,756,423 B2DecaWave, Ltd.
- Ultra-wideband location systems and methods6 Oct 2026US 12,756,996 B2Be Spoon
- Information determination method and apparatus, and storage medium6 Oct 2026US 12,757,218 B2Datang Mobile Communications Equipment Co., Ltd.
- Method for activating a vehicle function and associated activation device8 Oct 2026US 2026/0307621 A1Continental Automotive Technologies GmbH
- Methods and apparatus for increasing capability of reduced capability user equipment with frequency hopping8 Oct 2026US 2026/0312617 A1Nokia Technologies Oy
- Frequency hopping of reference signal8 Oct 2026US 2026/0312618 A1Nokia Technologies Oy
- Independent sequence processing to facilitate security between nodes in wireless networks8 Oct 2026US 2026/0312619 A1Texas Instruments Incorporated
- Method and apparatus for round hopping in hyper block for ultra-wideband communication8 Oct 2026US 2026/0312620 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Analyte monitoring device and methods of use1,821US 6,560,471 B1TheraSense, Inc. · 2003
- System and method for generating signal waveforms in a CDMA cellular telephone system1,721US 5,103,459 AQUALCOMM Incorporated · 1992
- Interference protection1,018US 7,239,657 B1Tagmaster AB · 2007
- Diversity receiver in a CDMA cellular telephone system825US 5,109,390 AQUALCOMM Incorporated · 1992
- Embedded signalling739US 5,319,735 ABolt Beranek and Newman Inc. · 1994