| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US43040AUS3105113A (en) | 1960-07-15 | 1960-07-15 | Stereophonic loudspeaker system |
| Publication Number | Publication Date |
|---|---|
| NL267133Atrue NL267133A (en) |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL267133DNL267133A (en) | 1960-07-15 |
| Country | Link |
|---|---|
| US (1) | US3105113A (en) |
| DE (1) | DE1159028B (en) |
| GB (1) | GB968480A (en) |
| NL (1) | NL267133A (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1368070A (en)* | 1971-12-13 | 1974-09-25 | Borisenko A V | Sterophonic sound-reproducing system |
| DE2908349A1 (en)* | 1979-03-03 | 1980-09-04 | Braun Ag | STEREO COMPACT DEVICE |
| JP2651383B2 (en)* | 1989-03-14 | 1997-09-10 | パイオニア株式会社 | Speaker device with directivity |
| JP2001025080A (en) | 1999-07-06 | 2001-01-26 | Matsushita Electric Ind Co Ltd | Speaker device with acoustic lens for video equipment |
| ITBS20020063A1 (en)* | 2002-07-09 | 2004-01-09 | Outline Di Noselli G & S N C | SINGLE AND MULTIPLE REFLECTION WAVE GUIDE |
| US7483543B2 (en)* | 2003-01-06 | 2009-01-27 | Motorola, Inc. | Stereo imaging manifold and method for use in a portable electronic device |
| GB2425436B (en)* | 2005-04-21 | 2007-06-06 | Martin Audio Ltd | Acoustic loading device for loudspeakers |
| US10609473B2 (en) | 2014-09-30 | 2020-03-31 | Apple Inc. | Audio driver and power supply unit architecture |
| USRE49437E1 (en) | 2014-09-30 | 2023-02-28 | Apple Inc. | Audio driver and power supply unit architecture |
| JP6526185B2 (en) | 2014-09-30 | 2019-06-05 | アップル インコーポレイテッドＡｐｐｌｅ Ｉｎｃ． | Loudspeaker with reduced audio coloration caused by surface reflections |
| US10631071B2 (en) | 2016-09-23 | 2020-04-21 | Apple Inc. | Cantilevered foot for electronic device |
| CN109769181B (en)* | 2019-01-28 | 2020-08-25 | 努比亚技术有限公司 | Loudspeaker sound outlet hole, terminal and loudspeaker sound outlet hole control method |
| WO2022221582A1 (en)* | 2021-04-14 | 2022-10-20 | Dolby Laboratories Licensing Corporation | Narrow aperture waveguide loudspeaker for use with flat panel display devices |
| WO2023286325A1 (en)* | 2021-07-15 | 2023-01-19 | ソニーグループ株式会社 | Sound reproduction device |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2102212A (en)* | 1935-09-30 | 1937-12-14 | Rca Corp | Sound reproducing apparatus |
| US2002390A (en)* | 1932-08-15 | 1935-05-21 | Crosley Radio Corp | Acoustic device |
| US2145318A (en)* | 1936-07-14 | 1939-01-31 | Telefunken Gmbh | Loudspeaker arrangement |
| NL52281C (en)* | 1937-11-10 | |||
| US2272937A (en)* | 1941-06-11 | 1942-02-10 | Zenith Radio Corp | Radio receiving apparatus |
| US2463762A (en)* | 1941-11-14 | 1949-03-08 | Automatic Elect Lab | Electroacoustical transducer |
| FR868717A (en)* | 1943-10-07 | 1942-01-14 | Anti-swirl speaker | |
| US2580439A (en)* | 1949-09-07 | 1952-01-01 | Bell Telephone Labor Inc | Directional acoustic system |
| DE1683212U (en)* | 1954-01-23 | 1954-09-16 | Blaupunkt Werke Gmbh | RADIO OR TV WITH SPATIAL SOUND REPRODUCTION. |
| US2750245A (en)* | 1954-02-08 | 1956-06-12 | B & M Mills Inc | Panel for radio or television cabinet |
| DE943598C (en)* | 1954-02-21 | 1956-05-24 | Max Grundig | Radio or news equipment with sound reproduction that appears spacious |
| Publication number | Publication date |
|---|---|
| GB968480A (en) | 1964-09-02 |
| US3105113A (en) | 1963-09-24 |
| DE1159028B (en) | 1963-12-12 |