H04J 1/20
In which at least one carrier is angle-modulated
Official title: in which at least one carrier is angle-modulated (H04J1/02 takes precedence; FM without multiplex H04B1/00, H04B14/006, H04B15/00; PSK H04L5/12; impulse-modulation without multiplex H04B14/02; time-division multiplexing for data transmission H04L5/22; telemetry G08C15/06 - G08C15/12; telephony H04Q11/00, H04Q11/04, H04Q11/0407)
H04J1/20 (In which at least one carrier is angle-modulated) appears on 9 US grants and 4 published applications in this corpus.
Search patents in H04J- Granted patents
- 9
- Published applications
- 4
- Assignees
- 7
- Inventors
- 16
- Latest grant
- 16 May 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and methods for signal frequency division in wireless communication systems16 May 2017US 9,654,241 B2Aviat U.S., Inc.
- Systems and methods for signal frequency division in wireless communication systems24 May 2016US 9,350,437 B2Aviat U.S., Inc.
- Transmitter5 Apr 2016US 9,306,690 B2Samba Holdco Netherlands B.V.
- Systems and methods for signal frequency division in wireless communication systems14 Apr 2015US 9,008,162 B2Aviat U.S., Inc.
- Signal multiplexer and multiplexing method4 Aug 1998US 5,790,555 ANTT Mobile Communications Network, Inc.
- Systems and methods for signal frequency division in wireless communication systems1 Sep 2016US 2016/0254874 A1Aviat U.S., Inc.
- Systems and Methods For Signal Frequency Division In Wireless Communication Systems25 Jun 2015US 2015/0180564 A1Aviat U.S., Inc.
- Transmitter26 Dec 2013US 2013/0343173 A1NXP B. V.
- Systems and Methods for Signal Frequency Division in Wireless Communication Systems18 Apr 2013US 2013/0094554 A1Aviat U.S., Inc.
Most cited
By later US patents
- Simultaneous transmission of speech and data over an analog channel170US 4,512,013 AAT&T Bell Laboratories · 1985
- Simultaneous transmission of speech and data over an analog channel68US 4,523,311 AAT&T Bell Laboratories · 1985
- Signal multiplexer and multiplexing method35US 5,790,555 ANTT Mobile Communications Network, Inc. · 1998
- Improved signalling method and apparatus21US 4,881,245 AHarris Corporation · 1989
- System for multiplexing information channels adjacent to a video spectrum14US 4,078,245 ACoastcom · 1978