H04L 27/122
Using digital generation of carrier signals
Official title: {using digital generation of carrier signals (digital function generators G06F1/02, H04L17/10; generating pulses having stepped portions using digital techniques H03K4/026)}
H04L27/122 (Using digital generation of carrier signals) appears on 170 US grants and 123 published applications in this corpus.
Search patents in H04L- Granted patents
- 170
- Published applications
- 123
- Assignees
- 107
- Inventors
- 229
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 5 |
| 2005 | 0 | 3 |
| 2006 | 4 | 2 |
| 2007 | 2 | 2 |
| 2008 | 0 | 4 |
| 2009 | 1 | 4 |
| 2010 | 3 | 3 |
| 2011 | 8 | 7 |
| 2012 | 2 | 5 |
| 2013 | 4 | 2 |
| 2014 | 5 | 7 |
| 2015 | 10 | 8 |
| 2016 | 18 | 20 |
| 2017 | 16 | 14 |
| 2018 | 16 | 9 |
| 2019 | 12 | 7 |
| 2020 | 8 | 5 |
| 2021 | 6 | 2 |
| 2022 | 5 | 3 |
| 2023 | 5 | 2 |
| 2024 | 0 | 4 |
| 2025 | 2 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for modifying a signal using inverted mirror images of the signal9 Jun 2026US 12,652,203 B2TereWave, Inc.
- Device and method for transmitting data16 Dec 2025US 12,500,799 B2Sew-Eurodrive GmbH & Co. KG
- Systems and methods for modifying modulated signals for transmission1 Apr 2025US 12,267,192 B2Adeia Guides Inc.
- Systems and methods for modifying modulated signals for transmission28 Nov 2023US 11,831,478 B2Rovi Guides, Inc.
- Systems and methods for communicating by modulating data on zeros in the presence of channel impairments24 Oct 2023US 11,799,704 B2California Institute of Technology
- Voltage switching in a power management integrated circuit1 Oct 2026US 2026/0303421 A1Qorvo US, Inc.
- Data transmission circuit system and data reception circuit system using edge of pulse signal17 Jul 2025US 2025/0233783 A1Konkuk University Industrial Cooperation Corp.
- Systems and methods for modifying modulated signals for transmission19 Jun 2025US 2025/0202744 A1Adeia Guides Inc.
- Systems and Methods for Communicating by Modulating Data on Zeros in the Presence of Channel Impairments10 Apr 2025US 2025/0119330 A1California Institute of Technology
- Synthesizing composite signals19 Dec 2024US 2024/0421847 A1Textron Systems Corporation
Most cited
By later US patents
- Digital data transmission system130US 4,302,629 ATeltone Corporation · 1981
- Amplitude and frequency modulation system120US 4,170,764 ABell Telephone Laboratories, Incorporated · 1979
- Signaling system113US 4,866,771 AThe Analytic Sciences Corporation · 1989
- FSK or am modulator with digital waveform shaping107US 4,871,987 AKabushiki Kaisha Kenwood · 1989
- Digital signal processor transceiver55US 7,103,108 B1Cypress Semiconductor Corporation · 2006