DK574474A - - Google Patents
Info
- Publication number
- DK574474A DK574474A DK574474A DK574474A DK574474A DK 574474 A DK574474 A DK 574474A DK 574474 A DK574474 A DK 574474A DK 574474 A DK574474 A DK 574474A DK 574474 A DK574474 A DK 574474A
- Authority
- DK
- Denmark
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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
- H04R3/14—Cross-over networks
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB51482/73A GB1487176A (en) | 1973-11-06 | 1973-11-06 | Loudspeaker systems |
| GB5148273 | 1973-11-06 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK574474A true DK574474A (enExample) | 1975-07-07 |
| DK150058B DK150058B (da) | 1986-11-24 |
| DK150058C DK150058C (da) | 1987-05-11 |
Family
ID=10460203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK574474A DK150058C (da) | 1973-11-06 | 1974-11-05 | Hoejttalersystem |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4031321A (enExample) |
| JP (1) | JPS597277B2 (enExample) |
| DE (1) | DE2452358C2 (enExample) |
| DK (1) | DK150058C (enExample) |
| GB (1) | GB1487176A (enExample) |
| SE (1) | SE391625B (enExample) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50153923A (enExample) * | 1974-06-03 | 1975-12-11 | ||
| JPS5539621Y2 (enExample) * | 1975-04-16 | 1980-09-17 | ||
| US4237340A (en) * | 1977-06-02 | 1980-12-02 | Klipsch And Associates, Inc. | Crossover network for optimizing efficiency and improving response of loudspeaker system |
| JPS5545210A (en) * | 1978-09-27 | 1980-03-29 | Hitachi Ltd | Speaker system |
| US4315102A (en) * | 1979-03-21 | 1982-02-09 | Eberbach Steven J | Speaker cross-over networks |
| US4282402A (en) * | 1979-04-23 | 1981-08-04 | Liontonia Harry D | Design of crossover network for high fidelity speaker system |
| US4475233A (en) * | 1981-10-08 | 1984-10-02 | Watkins William H | Resistively damped loudspeaker system |
| US4597100A (en) * | 1984-05-15 | 1986-06-24 | Rg Dynamics, Inc. | Ultra high resolution loudspeaker system |
| DE3443690A1 (de) * | 1984-11-30 | 1986-06-12 | Rainer Hase | Uebertragungsanordnung fuer audiosignale |
| US5568560A (en) * | 1995-05-11 | 1996-10-22 | Multi Service Corporation | Audio crossover circuit |
| US5937072A (en) * | 1997-03-03 | 1999-08-10 | Multi Service Corporation | Audio crossover circuit |
| AU764595B2 (en) * | 1999-09-03 | 2003-08-21 | Immersion Technology Property Limited | Improved crossover filters and method |
| AUPQ260899A0 (en) * | 1999-09-03 | 1999-09-23 | Techstream Pty Ltd | Improved crossover networks & method |
| US6707919B2 (en) | 2000-12-20 | 2004-03-16 | Multi Service Corporation | Driver control circuit |
| US8139797B2 (en) * | 2002-12-03 | 2012-03-20 | Bose Corporation | Directional electroacoustical transducing |
| US7676047B2 (en) * | 2002-12-03 | 2010-03-09 | Bose Corporation | Electroacoustical transducing with low frequency augmenting devices |
| US7688992B2 (en) * | 2005-09-12 | 2010-03-30 | Richard Aylward | Seat electroacoustical transducing |
| US8194886B2 (en) | 2005-10-07 | 2012-06-05 | Ian Howa Knight | Audio crossover system and method |
| US8724827B2 (en) * | 2007-05-04 | 2014-05-13 | Bose Corporation | System and method for directionally radiating sound |
| US20080273722A1 (en) * | 2007-05-04 | 2008-11-06 | Aylward J Richard | Directionally radiating sound in a vehicle |
| US8325936B2 (en) * | 2007-05-04 | 2012-12-04 | Bose Corporation | Directionally radiating sound in a vehicle |
| EP2752096A4 (en) * | 2011-09-02 | 2015-07-29 | Quantum Electro Opto Sys Sdn | OPTOELECTRONICS CIRCUITS AND TECHNIQUES |
| US9113257B2 (en) | 2013-02-01 | 2015-08-18 | William E. Collins | Phase-unified loudspeakers: parallel crossovers |
| RU2702417C1 (ru) * | 2018-10-23 | 2019-10-08 | Виктор Николаевич Холодов | Фильтр для трёхполосной акустической системы |
| CN112511966B (zh) * | 2020-11-06 | 2021-12-17 | 华南理工大学 | 一种车载立体声重放的自适应主动分频方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3838215A (en) * | 1973-04-23 | 1974-09-24 | E Haynes | Speakers and crossover circuit |
-
1973
- 1973-11-06 GB GB51482/73A patent/GB1487176A/en not_active Expired
-
1974
- 1974-11-05 SE SE7413865A patent/SE391625B/xx not_active IP Right Cessation
- 1974-11-05 DK DK574474A patent/DK150058C/da not_active IP Right Cessation
- 1974-11-05 DE DE2452358A patent/DE2452358C2/de not_active Expired
- 1974-11-06 JP JP49127942A patent/JPS597277B2/ja not_active Expired
-
1976
- 1976-02-17 US US05/658,526 patent/US4031321A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| SE7413865L (enExample) | 1975-05-07 |
| DK150058B (da) | 1986-11-24 |
| JPS50113218A (enExample) | 1975-09-05 |
| JPS597277B2 (ja) | 1984-02-17 |
| DE2452358C2 (de) | 1983-09-15 |
| DE2452358A1 (de) | 1975-05-07 |
| DK150058C (da) | 1987-05-11 |
| SE391625B (sv) | 1977-02-21 |
| GB1487176A (en) | 1977-09-28 |
| US4031321A (en) | 1977-06-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |