H04J 1/14
Arrangements providing for calling or supervisory signals
H04J1/14 (Arrangements providing for calling or supervisory signals) appears on 52 US grants and 31 published applications in this corpus.
Search patents in H04J- Granted patents
- 52
- Published applications
- 31
- Assignees
- 32
- Inventors
- 86
- Latest grant
- 12 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 7 |
| 2015 | 3 | 3 |
| 2016 | 5 | 3 |
| 2017 | 9 | 2 |
| 2018 | 0 | 2 |
| 2019 | 2 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Techniques and apparatuses for tertiary synchronization signal design for new radio12 Jul 2022US 11,387,927 B2QUALCOMM Incorporated
- Wireless communication method, network device and terminal device18 Jan 2022US 11,229,019 B2Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Techniques and apparatuses for tertiary synchronization signal design for new radio12 Nov 2019US 10,476,623 B2QUALCOMM Incorporated
- Methods and systems for frequency multiplexed communication in dense wireless environments5 Feb 2019US 10,200,115 B2QUALCOMM Incorporated
- Methods and systems for frequency multiplexed communication in dense wireless environments12 Dec 2017US 9,843,382 B2QUALCOMM Incorporated
- Use of frequency division multiplexing for optical cardiac signals24 Oct 2024US 2024/0350043 A1Garmin International, Inc.
- Multiband fdd (frequency division duplex) radio configuration for reduction in transmit and receive path resources25 Aug 2022US 2022/0271907 A1Meta Platforms, Inc.
- Techniques and apparatuses for tertiary synchronization signal design for new radio12 Mar 2020US 2020/0083975 A1QUALCOMM Incorporated
- Wireless Communication Method, Network Device and Terminal Device3 Oct 2019US 2019/0306845 A1Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Techniques and apparatuses for tertiary synchronization signal design for new radio4 Oct 2018US 2018/0287728 A1QUALCOMM Incorporated
Most cited
By later US patents
- Simultaneous transmission of two information signals within a band-limited communications channel414US 4,425,642 AApplied Spectrum Technologies, Inc. · 1984
- Method of and system for transmitting two different messages on a carrier wave over a single transmission channel of predetermined bandwidth246US 4,238,849 AInternational Standard Electric Corporation · 1980
- System for simultaneous analog and digital communications over an analog channel241US 5,410,541 AIvon International, Inc. · 1995
- Data under voice communications system217US 4,425,661 AApplied Spectrum Technologies, Inc. · 1984
- Peripheral power sequencer based on peripheral susceptibility to AC transients99US 4,674,031 ACara Corporation · 1987