IT1238108B - Cassa acustica per la trasduzione del suono. - Google Patents
Cassa acustica per la trasduzione del suono.Info
- Publication number
- IT1238108B IT1238108B IT06795189A IT6795189A IT1238108B IT 1238108 B IT1238108 B IT 1238108B IT 06795189 A IT06795189 A IT 06795189A IT 6795189 A IT6795189 A IT 6795189A IT 1238108 B IT1238108 B IT 1238108B
- Authority
- IT
- Italy
- Prior art keywords
- sound
- transduction
- sound system
- sound transduction
- Prior art date
Links
- 230000026683 transduction Effects 0.000 title 1
- 238000010361 transduction 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
- 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
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/283—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm
- H04R1/2834—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm for loudspeaker transducers
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Pinball Game Machines (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Circuit For Audible Band Transducer (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES19888803269U ES1008181Y (es) | 1988-11-07 | 1988-11-07 | Caja acustica para transduccion de sonido. |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8967951A0 IT8967951A0 (it) | 1989-11-06 |
IT1238108B true IT1238108B (it) | 1993-07-07 |
Family
ID=8258687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT06795189A IT1238108B (it) | 1988-11-07 | 1989-11-06 | Cassa acustica per la trasduzione del suono. |
Country Status (8)
Country | Link |
---|---|
AU (1) | AU4441489A (it) |
CA (1) | CA2002034A1 (it) |
DE (1) | DE3937090A1 (it) |
ES (1) | ES1008181Y (it) |
FR (1) | FR2638929B3 (it) |
GB (1) | GB2226214A (it) |
IT (1) | IT1238108B (it) |
PT (1) | PT8107Y (it) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2245450A (en) * | 1990-06-19 | 1992-01-02 | Canon Kk | Speaker for use in a sound output system |
GB2248996A (en) * | 1990-10-17 | 1992-04-22 | Canon Res Ct Europe Ltd | Speaker assembly |
AU8723991A (en) * | 1990-10-17 | 1992-05-20 | Canon Research Centre Europe Ltd | Sound output device |
FR2676322B1 (fr) * | 1991-05-10 | 1994-06-10 | Charlet Francois | Dispositif acoustique pour amortir et filtrer les emetteurs de son en general et les enceintes en particulier. |
GB2256773A (en) * | 1991-06-12 | 1992-12-16 | Canon Res Ct Europe Ltd | Loudspeaker uinit |
JP3358836B2 (ja) * | 1992-12-25 | 2002-12-24 | 株式会社東芝 | 反射型スピーカシステム |
JP3200497B2 (ja) * | 1993-03-19 | 2001-08-20 | 三菱電機株式会社 | 電気的に情報の書込および消去が可能な半導体記憶装置およびその製造方法 |
US6574344B1 (en) | 1998-02-26 | 2003-06-03 | Soundtube Entertainment, Inc. | Directional horn speaker system |
US6055320A (en) * | 1998-02-26 | 2000-04-25 | Soundtube Entertainment | Directional horn speaker system |
US7151836B1 (en) | 1999-03-31 | 2006-12-19 | Matsushita Electric Industrial Co., Ltd. | Speaker apparatus and sound reproduction apparatus |
GB0202284D0 (en) | 2002-01-31 | 2002-03-20 | Martin Audio Ltd | Directional loudspeaker |
US6981570B2 (en) * | 2002-05-09 | 2006-01-03 | Dalbec Richard H | Loudspeaker system with common low and high frequency horn mounting |
DE10346637B4 (de) * | 2003-05-20 | 2005-09-22 | Wolfram Hacklinger | Breit abstrahlendes Mehrwege-Lautsprecherchassis |
GB2511145B (en) | 2013-05-31 | 2015-07-01 | Cerberus Black Ltd | Acoustic apparatus and operation |
CN208094773U (zh) * | 2017-07-17 | 2018-11-13 | 宁波升亚电子有限公司 | 带有声波转向结构的扬声器及其声波转向结构 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB327759A (en) * | 1928-12-17 | 1930-04-17 | Philips Nv | Improved method of and apparatus for directing sound |
GB1069758A (en) * | 1963-09-18 | 1967-05-24 | Frank Bruno Smolarczyk | Sound amplification using foamed thermoplastics |
EP0086801A1 (en) * | 1981-08-31 | 1983-08-31 | TATTERSALL, Alan Maxwell | Loudspeaker horn |
US4474258A (en) * | 1982-01-11 | 1984-10-02 | Westlund James R | Loudspeaker enclosure and waveform energy reflector |
GB2211377B (en) * | 1987-10-16 | 1990-12-19 | Adamson Acoustic Design Corp | Loudspeaker |
-
1988
- 1988-11-07 ES ES19888803269U patent/ES1008181Y/es not_active Expired
-
1989
- 1989-11-01 CA CA002002034A patent/CA2002034A1/en not_active Abandoned
- 1989-11-02 GB GB8924669A patent/GB2226214A/en not_active Withdrawn
- 1989-11-06 IT IT06795189A patent/IT1238108B/it active IP Right Grant
- 1989-11-06 AU AU44414/89A patent/AU4441489A/en not_active Abandoned
- 1989-11-06 PT PT8107U patent/PT8107Y/pt not_active IP Right Cessation
- 1989-11-06 FR FR898914501A patent/FR2638929B3/fr not_active Expired - Lifetime
- 1989-11-07 DE DE3937090A patent/DE3937090A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CA2002034A1 (en) | 1990-05-07 |
PT8107Y (pt) | 1992-10-30 |
GB8924669D0 (en) | 1989-12-20 |
FR2638929B3 (fr) | 1991-03-15 |
GB2226214A (en) | 1990-06-20 |
DE3937090A1 (de) | 1990-05-10 |
IT8967951A0 (it) | 1989-11-06 |
FR2638929A1 (fr) | 1990-05-11 |
ES1008181Y (es) | 1989-09-01 |
PT8107U (pt) | 1990-05-31 |
ES1008181U (es) | 1989-03-16 |
AU4441489A (en) | 1990-05-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |