IT8667544A0 - Diffusore acustico - Google Patents

Diffusore acustico

Info

Publication number: IT8667544A0
Authority: IT; Italy
Prior art keywords: acoustic speaker; acoustic; speaker
Prior art date: 1985-07-05

Application number

IT8667544A

Other languages

English (en)

Other versions

IT1192819B (it

Inventor

Preben Jacobsen

Original Assignee

Jamo Hi Fi As

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.)

1985-07-05

Filing date

1986-07-04

Publication date

1986-07-04

1986-07-04 Application filed by Jamo Hi Fi As filed Critical Jamo Hi Fi As

1986-07-04 Publication of IT8667544A0 publication Critical patent/IT8667544A0/it

1988-05-12 Application granted granted Critical

1988-05-12 Publication of IT1192819B publication Critical patent/IT1192819B/it

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2873—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself for loudspeaker transducers
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
- H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding for loudspeaker transducers

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Manufacturing & Machinery (AREA)
Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Details Of Audible-Bandwidth Transducers (AREA)
Diaphragms For Electromechanical Transducers (AREA)
Communication Cables (AREA)

IT67544/86A 1985-07-05 1986-07-04 Diffusore acustico IT1192819B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DK309385A DK152159C (da)	1985-07-05	1985-07-05	Hoejttalerenhed med et kabinet og fremgangsmaade til fremstilling af en forplade til kabinettet.

Publications (2)

Publication Number	Publication Date
IT8667544A0 true IT8667544A0 (it)	1986-07-04
IT1192819B IT1192819B (it)	1988-05-12

Family

ID=8119010

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT67544/86A IT1192819B (it)	1985-07-05	1986-07-04	Diffusore acustico

Country Status (13)

Country	Link
US (1)	US4802551A (it)
AT (1)	AT386102B (it)
BE (1)	BE905054A (it)
CH (1)	CH672864A5 (it)
DE (1)	DE3622375C2 (it)
DK (1)	DK152159C (it)
FR (1)	FR2584558B1 (it)
GB (1)	GB2177569B (it)
IT (1)	IT1192819B (it)
NL (1)	NL192181C (it)
NO (1)	NO159829C (it)
PT (1)	PT82896B (it)
SE (1)	SE502747C2 (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3905562C1 (it) *	1989-02-02	1990-03-22	Prodan, Hans-Joachim, 4415 Sendenhorst, De
US4964482A (en) *	1989-02-23	1990-10-23	Meyer John E	Loudspeaker enclosure
US4924964A (en) *	1989-07-24	1990-05-15	Olsen Michael P	Loudspeaker enclosure
FR2653630B1 (fr) *	1989-10-23	1994-01-14	Di Carlo Gilles Scotto	Structure d'enceinte acoustique.
US5067583A (en) *	1990-08-06	1991-11-26	Hathaway Dana B	Polymer-filled audio loudspeaker cabinet
US5306880A (en) *	1991-06-25	1994-04-26	Eclipse Research Corporation	Omnidirectional speaker system
US5451726A (en) *	1991-06-25	1995-09-19	Eclipse Research Corporation	Omnidirectional speaker system
CA2090806C (en) *	1993-03-02	1997-12-30	Bruno Archambault	Sound dampening device for horns
USD360416S (en)	1993-10-08	1995-07-18	Yamaha Corporation	Speaker
USD369605S (en)	1994-11-04	1996-05-07	Lin Wen-Shun	Smoothly shaped speaker
US5866858A (en) *	1996-03-26	1999-02-02	Dewey; Jon Severen	Loudspeaker method and apparatus
USD401939S (en)	1997-02-20	1998-12-01	Jimmy Chi-Jen Chen	Surround-sound computer speaker enclosure
USD400537S (en)	1997-04-08	1998-11-03	Sony Corporation	Speaker box
USD401585S (en)	1997-04-08	1998-11-24	Sony Corporation	Speaker box
US20050167189A1 (en) *	2001-02-15	2005-08-04	Integral Technologies, Inc.	Low cost acoustical structures manufactured from conductive loaded resin-based materials
US20050167188A1 (en) *	2001-02-15	2005-08-04	Integral Technologies, Inc.	Low cost acoustical structures manufactured from conductive loaded resin-based materials
US6619424B2 (en)	2001-07-02	2003-09-16	Harman International Industries, Inc.	Speaker enclosure configured to minimize diffraction
US6913110B1 (en)	2002-08-05	2005-07-05	Southern California Sound Image	Lightweight speaker enclosure
US20060237259A1 (en) *	2005-04-07	2006-10-26	Mitsubishi Digital Electronics America, Inc.	Method of acoustic damping within electronic device cabinetry
AT508943B1 (de) *	2009-10-01	2011-05-15	Karl Dr Vorlicek	Lautsprechergehäuseelemente und lautsprechergehäuse
US8857559B2 (en) *	2011-06-14	2014-10-14	Chris Reviel	Speaker cabinet and method for fabrication
US8985268B2 (en) *	2013-05-31	2015-03-24	David A. Wilson	Speaker enclosure frame

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3424270A (en) *	1965-05-12	1969-01-28	Us Plywood Champ Papers Inc	Viscoelastic sound-blocking material with filler of high density particles
DE1512745B2 (de) *	1967-05-27	1971-08-19	Philips Patentverwaltung Gmbh, 2000 Hamburg	Lautsprecherbox mit einem kunststoffgehaeuse
ZA723011B (en) *	1972-05-03	1973-08-29	J Albertyn	A speaker enclosure
DE2913256A1 (de) *	1979-04-03	1980-10-23	Dressler Beteiligungs Gmbh	Lautsprechergehaeuse
JPS56169991A (en) *	1980-06-03	1981-12-26	Onkyo Corp	Member for acoustic device
SE426283B (sv) *	1981-12-07	1982-12-20	Tommy Jagborn	Hogtalarlada
DE3237547A1 (de) *	1982-10-09	1984-04-12	Georg 7841 Malsburg-Marzell Ignatius	Schwingkoerper, insbesondere resonanzkoerper, fuer klangerzeugungsgeraete und -vorrichtungen
DE3303511A1 (de) *	1983-02-03	1984-08-09	Ruthard 5630 Remscheid Marowsky	Klangkoerper fuer lautsprecher
US4592444A (en) *	1983-02-28	1986-06-03	Perrigo Stephen M	Low frequency speaker enclosure

1985
- 1985-07-05 DK DK309385A patent/DK152159C/da not_active IP Right Cessation
1986
- 1986-06-25 GB GB8615494A patent/GB2177569B/en not_active Expired
- 1986-06-30 NL NL8601708A patent/NL192181C/nl not_active IP Right Cessation
- 1986-07-01 PT PT82896A patent/PT82896B/pt not_active IP Right Cessation
- 1986-07-02 US US06/881,247 patent/US4802551A/en not_active Expired - Lifetime
- 1986-07-03 AT AT0180386A patent/AT386102B/de not_active IP Right Cessation
- 1986-07-03 CH CH2716/86A patent/CH672864A5/de not_active IP Right Cessation
- 1986-07-03 DE DE3622375A patent/DE3622375C2/de not_active Expired - Fee Related
- 1986-07-04 BE BE0/216880A patent/BE905054A/fr not_active IP Right Cessation
- 1986-07-04 FR FR8609757A patent/FR2584558B1/fr not_active Expired - Fee Related
- 1986-07-04 NO NO862706A patent/NO159829C/no not_active IP Right Cessation
- 1986-07-04 SE SE8602995A patent/SE502747C2/sv not_active IP Right Cessation
- 1986-07-04 IT IT67544/86A patent/IT1192819B/it active

Also Published As

Publication number	Publication date
CH672864A5 (it)	1989-12-29
BE905054A (fr)	1987-01-05
SE502747C2 (sv)	1995-12-18
FR2584558B1 (fr)	1994-03-25
DE3622375A1 (de)	1987-01-15
PT82896A (pt)	1986-08-01
AT386102B (de)	1988-07-11
US4802551A (en)	1989-02-07
IT1192819B (it)	1988-05-12
ATA180386A (de)	1987-11-15
PT82896B (pt)	1992-07-31
NL192181B (nl)	1996-10-01
SE8602995L (sv)	1987-01-06
NO159829C (no)	1989-02-08
NO159829B (no)	1988-10-31
GB2177569B (en)	1989-07-12
DK152159B (da)	1988-02-01
DE3622375C2 (de)	1995-02-23
DK309385D0 (da)	1985-07-05
NL8601708A (nl)	1987-02-02
NO862706D0 (no)	1986-07-04
DK309385A (da)	1987-01-06
NL192181C (nl)	1997-02-04
NO862706L (no)	1987-01-06
GB2177569A (en)	1987-01-21
SE8602995D0 (sv)	1986-07-04
FR2584558A1 (fr)	1987-01-09
DK152159C (da)	1988-06-20
GB8615494D0 (en)	1986-07-30

Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19950731

Publication	Publication Date	Title
DK26889A (da)	1989-03-22	Hoejttalersystem
DK54687A (da)	1987-02-03	Oeremikrofon
DK68386D0 (da)	1986-02-12	Hoejttaler
AT386102B (de)	1988-07-11	Lautsprechereinheit
NO174370C (no)	1994-04-20	Höyttaler-anordning
FR2580886B1 (fr)	1989-01-13	Enceinte acoustique multivoie
ES283883Y (es)	1986-05-01	Juguete sonoro
KR860014029U (ko)	1986-11-20	확성기
KR870019341U (ko)	1987-12-28	스피커
KR890005966U (ko)	1989-04-21	스피커
FR2577738B1 (fr)	1988-08-19	Enceinte acoustique
ES288560Y (es)	1987-03-01	Altavoz
KR870007647U (ko)	1987-05-13	스피커
KR870003173U (ko)	1987-03-19	스 피 커
KR870006051U (ko)	1987-04-25	스피커
KR860014031U (ko)	1986-11-20	스피커용 진동판
KR860014034U (ko)	1986-11-20	평면스피커
KR860015554U (ko)	1986-12-30	음향트랜스듀서
KR860015549U (ko)	1986-12-30	스피커 설치대
KR860014032U (ko)	1986-11-20	평면 진동판형 스피커
KR870017594U (ko)	1987-11-30	스피커
KR870019339U (ko)	1987-12-28	스피커
KR870017595U (ko)	1987-11-30	스피커
KR880001549U (ko)	1988-03-15	스피커
KR880023071U (ko)	1988-12-27	스피커