NL267133A - - Google Patents
Info
- Publication number
- NL267133A NL267133A NL267133DA NL267133A NL 267133 A NL267133 A NL 267133A NL 267133D A NL267133D A NL 267133DA NL 267133 A NL267133 A NL 267133A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
- H04R2205/022—Plurality of transducers corresponding to a plurality of sound channels in each earpiece of headphones or in a single enclosure
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US43040A US3105113A (en) | 1960-07-15 | 1960-07-15 | Stereophonic loudspeaker system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL267133A true NL267133A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=21925133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL267133D NL267133A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1960-07-15 |
Country Status (4)
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1368070A (en) * | 1971-12-13 | 1974-09-25 | Borisenko A V | Sterophonic sound-reproducing system |
| DE2908349A1 (de) * | 1979-03-03 | 1980-09-04 | Braun Ag | Stereo-kompaktgeraet |
| JP2651383B2 (ja) * | 1989-03-14 | 1997-09-10 | パイオニア株式会社 | 指向性を有するスピーカ装置 |
| JP2001025080A (ja) | 1999-07-06 | 2001-01-26 | Matsushita Electric Ind Co Ltd | 映像機器用音響レンズ付きスピーカ装置 |
| ITBS20020063A1 (it) * | 2002-07-09 | 2004-01-09 | Outline Di Noselli G & S N C | Guida d'onda a singola e multipla riflessione |
| 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 |
| USRE49437E1 (en) | 2014-09-30 | 2023-02-28 | Apple Inc. | Audio driver and power supply unit architecture |
| CN111405418B (zh) | 2014-09-30 | 2022-11-04 | 苹果公司 | 具有减小的由来自表面的反射导致的音频染色的扬声器 |
| US10771890B2 (en) | 2016-09-23 | 2020-09-08 | Apple Inc. | Annular support structure |
| US10631071B2 (en) | 2016-09-23 | 2020-04-21 | Apple Inc. | Cantilevered foot for electronic device |
| CN109769181B (zh) * | 2019-01-28 | 2020-08-25 | 努比亚技术有限公司 | 一种扬声器出音孔、终端及扬声器出音孔控制方法 |
| WO2022221582A1 (en) * | 2021-04-14 | 2022-10-20 | Dolby Laboratories Licensing Corporation | Narrow aperture waveguide loudspeaker for use with flat panel display devices |
Family Cites Families (11)
| 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 |
| BE430974A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 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 (fr) * | 1943-10-07 | 1942-01-14 | Haut-parleur anti-tourbillonnaire | |
| US2580439A (en) * | 1949-09-07 | 1952-01-01 | Bell Telephone Labor Inc | Directional acoustic system |
| DE1683212U (de) * | 1954-01-23 | 1954-09-16 | Blaupunkt Werke Gmbh | Rundfunk- oder fernsehgeraet mit raeumlicher tonwiedergabe. |
| US2750245A (en) * | 1954-02-08 | 1956-06-12 | B & M Mills Inc | Panel for radio or television cabinet |
| DE943598C (de) * | 1954-02-21 | 1956-05-24 | Max Grundig | Rundfunk- oder Nachrichtengeraet mit raeumlich wirkender Tonwiedergabe |
-
0
- NL NL267133D patent/NL267133A/xx unknown
-
1960
- 1960-07-15 US US43040A patent/US3105113A/en not_active Expired - Lifetime
-
1961
- 1961-06-22 GB GB22690/61A patent/GB968480A/en not_active Expired
- 1961-07-05 DE DER30685A patent/DE1159028B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1159028B (de) | 1963-12-12 |
| GB968480A (en) | 1964-09-02 |
| US3105113A (en) | 1963-09-24 |