PT8107Y - Caixa acustica para amplificar o som - Google Patents

Caixa acustica para amplificar o som

Info

Publication number
PT8107Y
PT8107Y PT8107U PT810789U PT8107Y PT 8107 Y PT8107 Y PT 8107Y PT 8107 U PT8107 U PT 8107U PT 810789 U PT810789 U PT 810789U PT 8107 Y PT8107 Y PT 8107Y
Authority
PT
Portugal
Prior art keywords
acoustic box
amplify sound
amplify
sound
acoustic
Prior art date
Application number
PT8107U
Other languages
English (en)
Other versions
PT8107U (pt
Original Assignee
Gadea Veses Javier
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gadea Veses Javier filed Critical Gadea Veses Javier
Publication of PT8107U publication Critical patent/PT8107U/pt
Publication of PT8107Y publication Critical patent/PT8107Y/pt

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
    • H04R1/22—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)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Pinball Game Machines (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
PT8107U 1988-11-07 1989-11-06 Caixa acustica para amplificar o som PT8107Y (pt)

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
PT8107U PT8107U (pt) 1990-05-31
PT8107Y true PT8107Y (pt) 1992-10-30

Family

ID=8258687

Family Applications (1)

Application Number Title Priority Date Filing Date
PT8107U PT8107Y (pt) 1988-11-07 1989-11-06 Caixa acustica para amplificar o som

Country Status (8)

Country Link
AU (1) AU4441489A (pt)
CA (1) CA2002034A1 (pt)
DE (1) DE3937090A1 (pt)
ES (1) ES1008181Y (pt)
FR (1) FR2638929B3 (pt)
GB (1) GB2226214A (pt)
IT (1) IT1238108B (pt)
PT (1) PT8107Y (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
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
AU8723991A (en) * 1990-10-17 1992-05-20 Canon Research Centre Europe Ltd Sound output device
GB2248996A (en) * 1990-10-17 1992-04-22 Canon Res Ct Europe Ltd Speaker assembly
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
US6055320A (en) * 1998-02-26 2000-04-25 Soundtube Entertainment Directional horn speaker system
US6574344B1 (en) 1998-02-26 2003-06-03 Soundtube Entertainment, Inc. Directional horn speaker system
DE10015751B4 (de) * 1999-03-31 2005-11-17 Matsushita Electric Industrial Co., Ltd., Kadoma Lautsprecherbox
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
CN208353584U (zh) * 2017-07-17 2019-01-08 宁波升亚电子有限公司 等化器装置以及等化器扬声装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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
US4635749A (en) * 1981-08-31 1987-01-13 Alan M Tattersall Speaker enclosure
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

Also Published As

Publication number Publication date
DE3937090A1 (de) 1990-05-10
CA2002034A1 (en) 1990-05-07
AU4441489A (en) 1990-05-10
ES1008181Y (es) 1989-09-01
FR2638929B3 (fr) 1991-03-15
IT8967951A0 (it) 1989-11-06
PT8107U (pt) 1990-05-31
GB2226214A (en) 1990-06-20
ES1008181U (es) 1989-03-16
FR2638929A1 (fr) 1990-05-11
GB8924669D0 (en) 1989-12-20
IT1238108B (it) 1993-07-07

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Legal Events

Date Code Title Description
MM3K Annulment or lapse (utility model)

Effective date: 19931031