H04M 1/2155
Acoustic coupling
Official title: {Acoustic coupling}
H04M1/2155 (Acoustic coupling) appears on 91 US grants and 61 published applications in this corpus.
Search patents in H04M- Granted patents
- 91
- Published applications
- 61
- Assignees
- 63
- Inventors
- 173
- Latest grant
- 23 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 8 |
| 2003 | 5 | 0 |
| 2004 | 0 | 5 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 0 |
| 2008 | 2 | 1 |
| 2009 | 1 | 4 |
| 2010 | 2 | 6 |
| 2011 | 0 | 3 |
| 2012 | 4 | 5 |
| 2013 | 2 | 6 |
| 2014 | 6 | 4 |
| 2015 | 3 | 3 |
| 2016 | 3 | 1 |
| 2017 | 0 | 3 |
| 2018 | 2 | 2 |
| 2019 | 0 | 2 |
| 2020 | 3 | 0 |
| 2021 | 2 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Telephone based tele-health apparatus23 Jan 2024US 11,881,319 B2
- Systems and methods for content delivery and management21 Sep 2021US 11,126,394 B2Lisnr, Inc.
- Access control and validation using sonic tones27 Jul 2021US 11,074,033 B2Lisnr, Inc.
- Stationery storage capable of sound amplification of mobile phone6 Oct 2020US 10,798,234 B1E-Package Creation & Solution Manufacturing Corp.
- Mobile device with ultrasound ranging4 Aug 2020US 10,735,106 B2Apple Inc.
- Telephone based tele-health apparatus21 Mar 2024US 2024/0096507 A1
- Telephone based tele-health apparatus3 Mar 2022US 2022/0068505 A1
- System and method for detection of middle ear fluids24 Jun 2021US 2021/0186426 A1Seattle Children's Hospital (dba Seattle Children's Research Institute)
- System for text assisted telephony5 Dec 2019US 2019/0373093 A1Ultratec, Inc.
- Long distance wireless control for emergency vehicles equipment8 Aug 2019US 2019/0244514 A1
Most cited
By later US patents
- Information storage device for storing personal identification information232US 5,825,871 ASmart Tone Authentication, Inc. · 1998
- System and method using personal identification numbers and associated prompts for controlling unauthorized use of a security device and unauthorized access to a resource230US 5,745,555 ASmart Tone Authentication, Inc. · 1998
- Portable automated teller machine220US 5,050,207 ANational Transaction Network, Inc. · 1991
- Portable automated teller machine214US 5,157,717 ANational Transaction Network, Inc. · 1992
- Method and apparatus for the secure communication of data178US 5,583,933 A1996