H04B 14/02
Transmission systems not characterised by the medium used for transmission: characterised by
Official title: characterised by the use of pulse modulation (in radio transmission relays H04B7/17)
H04B14/02 (Transmission systems not characterised by the medium used for transmission: characterised by) appears on 853 US grants and 397 published applications in this corpus.
Search patents in H04B- Granted patents
- 853
- Published applications
- 397
- Assignees
- 392
- Inventors
- 1,442
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 16 | 0 |
| 1978 | 7 | 0 |
| 1979 | 10 | 0 |
| 1980 | 15 | 0 |
| 1981 | 10 | 0 |
| 1982 | 21 | 0 |
| 1983 | 9 | 0 |
| 1984 | 11 | 0 |
| 1985 | 28 | 0 |
| 1986 | 19 | 0 |
| 1987 | 15 | 0 |
| 1988 | 16 | 0 |
| 1989 | 22 | 0 |
| 1990 | 16 | 0 |
| 1991 | 13 | 0 |
| 1992 | 16 | 0 |
| 1993 | 10 | 0 |
| 1994 | 14 | 0 |
| 1995 | 21 | 0 |
| 1996 | 20 | 0 |
| 1997 | 32 | 0 |
| 1998 | 39 | 0 |
| 1999 | 24 | 0 |
| 2000 | 23 | 0 |
| 2001 | 22 | 7 |
| 2002 | 20 | 29 |
| 2003 | 21 | 22 |
| 2004 | 16 | 18 |
| 2005 | 15 | 18 |
| 2006 | 18 | 13 |
| 2007 | 15 | 19 |
| 2008 | 11 | 24 |
| 2009 | 13 | 14 |
| 2010 | 21 | 13 |
| 2011 | 22 | 13 |
| 2012 | 14 | 6 |
| 2013 | 10 | 16 |
| 2014 | 12 | 11 |
| 2015 | 13 | 11 |
| 2016 | 16 | 10 |
| 2017 | 14 | 14 |
| 2018 | 17 | 20 |
| 2019 | 29 | 37 |
| 2020 | 26 | 22 |
| 2021 | 24 | 16 |
| 2022 | 14 | 11 |
| 2023 | 13 | 8 |
| 2024 | 6 | 8 |
| 2025 | 10 | 10 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Modulation signal processing apparatus and method, and microcontroller unit and electronic device6 Oct 2026US 12,756,605 B2Zhejiang Geoforcechip Technology Co., Ltd.
- Resonating backscatter radio system with pulse position modulation17 Feb 2026US 12,554,957 B2Telefonaktiebolaget LM Ericsson (publ)
- Network transceiver with VGA channel specific equalization25 Nov 2025US 12,483,288 B2Microsoft Technology Licensing, LLC
- Methods and apparatuses for signaling with geometric constellations18 Nov 2025US 12,476,859 B2Constellation Designs, LLC
- Optical transmitter with encoder encoding processed data including concatenating parity bits to generate fec data blocks22 Jul 2025US 12,368,528 B2Marvell Asia Pte Ltd
- System including coding device for transceiving multi-level signal20 Aug 2026US 2026/0246670 A1Seoul National University R&Db Foundation
- Non-transitory storage medium storing a communication program and method of assigning pulse code train6 Aug 2026US 2026/0230104 A1National Institute of Information and Communicatins Technology
- Systems and methods for communication with bottom-hole assemblies30 Jul 2026US 2026/0218608 A1
- Unit cell-based dac26 Feb 2026US 2026/0058671 A1NXP B. V.
- Methods and Apparatuses for Signaling with Geometric Constellations19 Feb 2026US 2026/0052054 A1Constellation Designs, LLC
Most cited
By later US patents
- Node device, repeater and methods for use therewith461US 9,749,053 B2AT&T Intellectual Property I, L. P. · 2017
- Ultrawide-band communication system and method382US 5,677,927 APulson Communications Corporation · 1997
- Multiple-channel transmission over a single-wire bus305US 8,509,318 B2STMicroelectronics (Rousset) SAS · 2013
- Full duplex ultrawide-band communication system and method272US 5,687,169 ATime Domain Systems, Inc. · 1997
- Spread spectrum radio transmission system263US 4,641,317 A1987