H04B 17/402
Using different frequencies
Official title: {using different frequencies}
H04B17/402 (Using different frequencies) appears on 30 US grants and 12 published applications in this corpus.
Search patents in H04B- Granted patents
- 30
- Published applications
- 12
- Assignees
- 27
- Inventors
- 57
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 2 |
| 2023 | 3 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Harmonic-enhanced identification (ID) and device resolution for frequency modulating communication25 Feb 2025US 12,237,877 B2Microsoft Technology Licensing, LLC
- Harmonic-enhanced identification (ID) and device resolution for frequency modulating communication19 Dec 2023US 11,848,720 B2Microsoft Technology Licensing, LLC
- Calibration device, conversion device, calibration method, and non-transitory computer-readable medium having recorded thereon calibration program10 Oct 2023US 11,784,729 B2Advantest Corporation
- Non-terrestrial network link adaptation4 Jul 2023US 11,695,486 B2Dish Wireless L. L. C.
- Method and device for group delay variation compensation1 Mar 2022US 11,265,093 B2u-blox AG
- Harmonic-enhanced identification (id) and device resolution for frequency modulating communication8 Feb 2024US 2024/0048258 A1Microsoft Technology Licensing, LLC
- Calibration device, conversion device, calibration method, and non-transitory computer-readable medium having recorded thereon calibration program6 Apr 2023US 2023/0105908 A1Advantest Corporation
- Harmonic-enhanced identification (id) and device resolution for frequency modulating communication29 Sep 2022US 2022/0311526 A1Microsoft Technology Licensing, LLC
- Non-terrestrial network link adaptation17 Feb 2022US 2022/0052771 A1Dish Wireless L. L. C.
- Method and device for group delay variation compensation30 Dec 2021US 2021/0409131 A1u-blox AG
Most cited
By later US patents
- Apparatus and method for monitoring a communications system54US 4,207,431 ABroadband Technologies, Inc. · 1980
- Fault detection for subscriber loop repeaters42US 6,842,426 B2Symmetricom, Inc. · 2005
- Apparatus for monitoring a communications system38US 4,733,223 A1988
- Supervision of digital transmission systems24US 4,564,933 AInternational Standard Electric Corporation · 1986
- Optical repeater monitoring system21US 4,710,976 AKokusai Denshin Denwa Kabushiki Kaisha · 1987