H04L 2027/0048
Frequency multiplication
Official title: {Frequency multiplication}
H04L2027/0048 (Frequency multiplication) appears on 67 US grants and 33 published applications in this corpus.
Search patents in H04L- Granted patents
- 67
- Published applications
- 33
- Assignees
- 58
- Inventors
- 139
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 1 | 2 |
| 2004 | 5 | 0 |
| 2005 | 2 | 1 |
| 2006 | 2 | 3 |
| 2007 | 0 | 3 |
| 2008 | 0 | 2 |
| 2009 | 3 | 1 |
| 2010 | 2 | 0 |
| 2011 | 1 | 1 |
| 2012 | 2 | 0 |
| 2013 | 1 | 3 |
| 2014 | 2 | 3 |
| 2015 | 4 | 2 |
| 2016 | 0 | 1 |
| 2017 | 3 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 0 |
| 2020 | 2 | 4 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electronic device and operation method therefor18 Feb 2025US 12,231,271 B2Samsung Electronics Co., Ltd.
- System and method for high-entropy gaussian minimum shift keying (HE-GMSK) modulation7 Feb 2023US 11,575,550 B2Rockwell Collins, Inc.
- Method and apparatus for transmitting information to avoid in-device interference12 Apr 2022US 11,304,191 B2Beijing Xiaomi Mobile Software Co., Ltd.
- IQ mismatch correction module16 Feb 2021US 10,924,320 B2Texas Instruments Incorporated
- Frequency-converted self-injection-locked radar1 Sep 2020US 10,763,872 B1Sil Radar Technology Inc.
- Electronic device and operation method therefor9 Nov 2023US 2023/0362043 A1Samsung Electronics Co., Ltd.
- System and method for high-entropy gaussian minimum shift keying (he-gmsk) modulation4 Aug 2022US 2022/0247607 A1Rockwell Collins, Inc.
- Frequency-converted self-injection-locked radar17 Sep 2020US 2020/0295770 A1Sil Radar Technology Inc.
- Iq mismatch correction filter14 May 2020US 2020/0153675 A1Texas Instruments Incorporated
- Method and apparatus for transmitting information16 Apr 2020US 2020/0120678 A1Beijing Xiaomi Mobile Software Co., Ltd.
Most cited
By later US patents
- Carrier wave recovery system apparatus using synchronous detection93US 4,143,322 ANippon Electric Co., Ltd. · 1979
- Synchronization method and apparatus for modems based on jointly iterative turbo demodulation and decoding87US 6,968,021 B1Rockwell Collins, Inc. · 2005
- TDMA/PSK Carrier synchronization without preamble73US 4,466,108 ACommunications Satellite Corporation · 1984
- Digitally implemented fast frequency estimator/demodulator for low bit rate maritime and mobile data communications without the use of an acquisition preamble58US 5,272,446 AComsat Corporation · 1993
- Carrier tracking loop for QPSK demodulator42US 5,579,345 AWestinghouse Electric Corp. · 1996