NO813458L - Trakthoeyttaler med avkjoelingsanordning - Google Patents
Trakthoeyttaler med avkjoelingsanordningInfo
- Publication number
- NO813458L NO813458L NO813458A NO813458A NO813458L NO 813458 L NO813458 L NO 813458L NO 813458 A NO813458 A NO 813458A NO 813458 A NO813458 A NO 813458A NO 813458 L NO813458 L NO 813458L
- Authority
- NO
- Norway
- Prior art keywords
- tractor
- speakers
- cooling device
- cooling
- tractor speakers
- Prior art date
Links
- 238000001816 cooling Methods 0.000 title 1
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
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/022—Cooling arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56022526A JPS57136897A (en) | 1981-02-18 | 1981-02-18 | Horn speaker |
Publications (3)
Publication Number | Publication Date |
---|---|
NO813458L true NO813458L (no) | 1982-08-19 |
NO152355B NO152355B (no) | 1985-06-03 |
NO152355C NO152355C (no) | 1985-09-11 |
Family
ID=12085226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO813458A NO152355C (no) | 1981-02-18 | 1981-10-14 | Trakthoeyttaler med avkjoelingsanordning |
Country Status (7)
Country | Link |
---|---|
US (1) | US5166982A (no) |
JP (1) | JPS57136897A (no) |
DE (1) | DE3141313C2 (no) |
GB (1) | GB2094099B (no) |
NL (1) | NL8104838A (no) |
NO (1) | NO152355C (no) |
SE (1) | SE450865B (no) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2122841A (en) * | 1982-06-18 | 1984-01-18 | Superior Electronics Corp | Loudspeakers |
JPS59139794A (ja) * | 1983-01-31 | 1984-08-10 | Ibuki Kogyo Kk | 漏洩磁場を打消したホ−ンスピ−カ− |
GB2145905B (en) * | 1983-08-31 | 1987-05-07 | Kobishi Electric Co Ltd | Audible warning device |
US4963855A (en) * | 1990-02-21 | 1990-10-16 | Kobishi Electric Co., Inc. Ltd. | Warning sound generating device |
GB2305809B (en) | 1995-09-28 | 1997-11-05 | Harman Int Ind | Power amplifier and loudspeaker frame integration |
JP3985987B2 (ja) * | 1999-09-27 | 2007-10-03 | パイオニア株式会社 | スピーカ装置およびスピーカ装置用冷却装置 |
US6373957B1 (en) | 2001-05-14 | 2002-04-16 | Harman International Industries, Incorporated | Loudspeaker structure |
CN108513237B (zh) * | 2018-05-10 | 2023-07-18 | 惠州迪芬尼声学科技股份有限公司 | 一种具有热电转换装置的扬声器系统 |
CN108616795B (zh) * | 2018-05-10 | 2023-12-22 | 惠州迪芬尼声学科技股份有限公司 | 一种包括主动制冷的扬声器的音箱 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5234977U (no) * | 1975-09-04 | 1977-03-11 | ||
US4017694A (en) * | 1976-02-18 | 1977-04-12 | Essex Group, Inc. | Method for making loudspeaker with magnetic fluid enveloping the voice coil |
DE2607390C2 (de) * | 1976-02-24 | 1982-09-23 | Braun Ag, 6000 Frankfurt | Dynamischer Lautsprecher mit hoher Nennbelastbarkeit |
DE2756301A1 (de) * | 1976-12-16 | 1978-06-22 | Rank Organisation Ltd | Elektroakustischer wandler |
DE2740661C3 (de) * | 1977-09-09 | 1980-06-12 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Dynamischer Wandler mit einer Schwingspule in einem mit einer magnetischen Flüssigkeit gefüllten Luftspalt |
DE2842999A1 (de) * | 1978-10-03 | 1980-04-24 | Braun Ag | Vorrichtung zur waermeableitung bei dynamischen lautsprechern |
DE2900427B1 (de) * | 1979-01-08 | 1979-08-02 | Licentia Gmbh | Dynamischer Wandler mit einer Schwingspule in einem mit einer magnetischen Fluessigkeit gefuellten Luftspalt |
-
1981
- 1981-02-18 JP JP56022526A patent/JPS57136897A/ja active Granted
- 1981-10-14 NO NO813458A patent/NO152355C/no unknown
- 1981-10-16 SE SE8106131A patent/SE450865B/sv not_active IP Right Cessation
- 1981-10-17 DE DE3141313A patent/DE3141313C2/de not_active Expired
- 1981-10-19 US US06/312,904 patent/US5166982A/en not_active Expired - Fee Related
- 1981-10-19 GB GB8131483A patent/GB2094099B/en not_active Expired
- 1981-10-26 NL NL8104838A patent/NL8104838A/nl not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JPS6335157B2 (no) | 1988-07-13 |
NO152355C (no) | 1985-09-11 |
US5166982A (en) | 1992-11-24 |
NO152355B (no) | 1985-06-03 |
GB2094099B (en) | 1984-12-05 |
SE450865B (sv) | 1987-08-03 |
DE3141313C2 (de) | 1983-12-15 |
GB2094099A (en) | 1982-09-08 |
SE8106131L (sv) | 1982-08-19 |
NL8104838A (nl) | 1982-09-16 |
DE3141313A1 (de) | 1982-09-09 |
JPS57136897A (en) | 1982-08-24 |
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