H04R 1/34
By using a single transducer with sound reflecting, diffracting, directing or guiding
Official title: by using a single transducer with sound reflecting, diffracting, directing or guiding means {(specially adapted for hearing aids H04R25/402)}
H04R1/34 (By using a single transducer with sound reflecting, diffracting, directing or guiding) appears on 2,095 US grants and 2,242 published applications in this corpus.
Search patents in H04R- Granted patents
- 2,095
- Published applications
- 2,242
- Assignees
- 721
- Inventors
- 3,664
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 9 | 0 |
| 1978 | 8 | 0 |
| 1979 | 8 | 0 |
| 1980 | 10 | 0 |
| 1981 | 8 | 0 |
| 1982 | 8 | 0 |
| 1983 | 4 | 0 |
| 1984 | 10 | 0 |
| 1985 | 6 | 0 |
| 1986 | 13 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 17 | 0 |
| 1990 | 12 | 0 |
| 1991 | 9 | 0 |
| 1992 | 17 | 0 |
| 1993 | 17 | 0 |
| 1994 | 9 | 0 |
| 1995 | 10 | 0 |
| 1996 | 12 | 0 |
| 1997 | 10 | 0 |
| 1998 | 12 | 0 |
| 1999 | 22 | 0 |
| 2000 | 21 | 0 |
| 2001 | 7 | 4 |
| 2002 | 18 | 21 |
| 2003 | 22 | 21 |
| 2004 | 20 | 37 |
| 2005 | 8 | 29 |
| 2006 | 23 | 33 |
| 2007 | 16 | 37 |
| 2008 | 20 | 41 |
| 2009 | 20 | 36 |
| 2010 | 22 | 34 |
| 2011 | 28 | 48 |
| 2012 | 53 | 50 |
| 2013 | 50 | 66 |
| 2014 | 60 | 64 |
| 2015 | 65 | 76 |
| 2016 | 68 | 90 |
| 2017 | 107 | 139 |
| 2018 | 113 | 92 |
| 2019 | 129 | 130 |
| 2020 | 148 | 146 |
| 2021 | 126 | 201 |
| 2022 | 146 | 158 |
| 2023 | 160 | 184 |
| 2024 | 165 | 191 |
| 2025 | 144 | 156 |
| 2026 | 81 | 158 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electronic device including sound device6 Oct 2026US 12,756,973 B2Samsung Electronics Co., Ltd.
- Acoustic output devices29 Sep 2026US 12,750,616 B2Shenzhen Shokz Co., Ltd.
- Acoustic output devices8 Sep 2026US 12,732,744 B2Shenzhen Shokz Co., Ltd.
- Systems and methods for suppressing sound leakage8 Sep 2026US 12,732,760 B2Shenzhen Shokz Co., Ltd.
- Equine audio system with optimized signal processing1 Sep 2026US 12,726,753 B2
- Loudspeaker with phase plug8 Oct 2026US 2026/0313292 A1Ask Industries Societa' Per Azioni
- Acoustic output devices1 Oct 2026US 2026/0304029 A1Shenzhen Shokz Co., Ltd.
- Speaker enclosure with soundwave shaping1 Oct 2026US 2026/0304032 A1Danley Sound Labs, Inc.
- Cinema Light Emitting Screen and Sound System1 Oct 2026US 2026/0304033 A1IMAX Corporation
- Acoustic output devices24 Sep 2026US 2026/0292391 A1Shenzhen Shokz Co., Ltd.
Most cited
By later US patents
- Headset for electronic stethoscope956US 5,561,275 ADelstar Services Informatiques (1993) Inc. · 1996
- Unidirectional ear microphone and method273US 5,363,444 AJabra Corporation · 1994
- Submersible personal stereo239US 4,683,587 A1987
- Microphone with improved sound inlet port181US 7,072,482 B2Sonion Nederland B. V. · 2006
- Voice controlled assistant with coaxial speaker and microphone arrangement178US 9,060,224 B1Rawles LLC · 2015