H04L 27/2028
In which the phase changes are non-linear
Official title: {in which the phase changes are non-linear}
H04L27/2028 (In which the phase changes are non-linear) appears on 16 US grants and 6 published applications in this corpus.
Search patents in H04L- Granted patents
- 16
- Published applications
- 6
- Assignees
- 15
- Inventors
- 24
- Latest grant
- 15 Oct 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Communication system employing chaotic sequence based frequency shift keying spreading signals15 Oct 2019US 10,447,339 B2Chaos Prime Inc.
- Radio frequency drive level control system and method for an electro-optic phase modulator11 Feb 2014US 8,649,688 B2Ciena Corporation
- 8-PSK transmit filtering using reduced look up tables16 May 2006US 7,046,738 B1Ericsson Inc.
- Selectively controlled modulation distortion of an IQ-baseband signal28 Mar 2006US 7,020,070 B2Telefonaktiebolaget'l M Ericsson (Publ)
- Multiplier arrangement, signal modulator and transmitter6 Sep 2005US 6,940,920 B2Alcatel
- Communication system employing chaotic sequence based frequency shift keying spreading signals25 Oct 2018US 2018/0309477 A1Chaos Prime Inc.
- Radio frequency drive level control system and method for an electro-optic phase modulator2 Aug 2012US 2012/0194287 A1Ciena Corporation
- Methods and apparatus for multi-mode frequency shift keying3 Jul 2008US 2008/0159438 A1Custom One Design, Inc.
- Controlled modulation distortion16 Jan 2003US 2003/0012289 A1Telefonaktiebolaget'l M Ericsson (Publ)
- Multiplier arrangement, signal modulator and transmitter14 Feb 2002US 2002/0018534 A1Alcatel
Most cited
By later US patents
- Method of, and transmitter for, transmitting a digital signal50US 5,428,643 AU. S. Philips Corporation · 1995
- Gaussian frequency-shift keying transciever for ISM wideband communication36US 6,480,553 B1Winbond Electronics Corp. · 2002
- Method for transmitting digital data by means of continuous phase modulation18US 4,750,192 ABBC Brown, Boveri & Company, Limited · 1988
- Differential phase shift keying modulator14US 5,027,372 ANational Semiconductor Corporation · 1991
- Sinusoidal phase modulation method and system14US 5,822,362 AAironet Wireless Communications, Inc. · 1998