HUT40529A - Acoustic radiator, acoustic column or horn radiator to the purpose - Google Patents

Acoustic radiator, acoustic column or horn radiator to the purpose

Info

Publication number
HUT40529A
HUT40529A HU852116A HU211685A HUT40529A HU T40529 A HUT40529 A HU T40529A HU 852116 A HU852116 A HU 852116A HU 211685 A HU211685 A HU 211685A HU T40529 A HUT40529 A HU T40529A
Authority
HU
Hungary
Prior art keywords
acoustic
radiator
column
horn
horn radiator
Prior art date
Application number
HU852116A
Other languages
Hungarian (hu)
Other versions
HU193767B (en
Inventor
Geza Balogh
Jozsef Suranyi
Istvan David
Kalman Fehervary
Emil Sesztak
Original Assignee
Elektroakusztikai Gyar
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 Elektroakusztikai Gyar filed Critical Elektroakusztikai Gyar
Priority to HU852116A priority Critical patent/HU193767B/en
Priority to AT0113386A priority patent/AT389201B/en
Priority to GB08613087A priority patent/GB2176370B/en
Publication of HUT40529A publication Critical patent/HUT40529A/en
Publication of HU193767B publication Critical patent/HU193767B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/32—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed at least two layers being foamed and next to each other
    • 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 
    • H04R1/227—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  using transducers reproducing the same frequency band
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • 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
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
    • H04R1/2857—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line for loudspeaker transducers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0278—Polyurethane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • 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
    • H04R1/2884—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure
    • H04R1/2888—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
HU852116A 1985-05-31 1985-05-31 Loudspeaker, favourably sound column or horn loudspeaker HU193767B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
HU852116A HU193767B (en) 1985-05-31 1985-05-31 Loudspeaker, favourably sound column or horn loudspeaker
AT0113386A AT389201B (en) 1985-05-31 1986-04-28 SOUND HEADER, ESPECIALLY TONE COLUMN AND FUNNEL HEADER
GB08613087A GB2176370B (en) 1985-05-31 1986-05-29 Loudspeaker, preferably sound column or horn loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU852116A HU193767B (en) 1985-05-31 1985-05-31 Loudspeaker, favourably sound column or horn loudspeaker

Publications (2)

Publication Number Publication Date
HUT40529A true HUT40529A (en) 1986-12-28
HU193767B HU193767B (en) 1987-11-30

Family

ID=10957832

Family Applications (1)

Application Number Title Priority Date Filing Date
HU852116A HU193767B (en) 1985-05-31 1985-05-31 Loudspeaker, favourably sound column or horn loudspeaker

Country Status (3)

Country Link
AT (1) AT389201B (en)
GB (1) GB2176370B (en)
HU (1) HU193767B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2688971A1 (en) * 1992-03-17 1993-09-24 Almonacid Thyerrie Cabinets of acoustic enclosures with high specific rigidity
GB9901187D0 (en) * 1999-01-21 1999-03-10 Fenson & Company Ltd Apparatus for and a method of improving the sound quality of loudspeakers
FR2803480B1 (en) * 1999-12-31 2002-11-29 Patrick Lobry BATTERY POWERED MOBILE SPEAKER

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1229451A (en) * 1968-01-18 1971-04-21
DE2930069C2 (en) * 1979-07-25 1983-03-31 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5300 Bonn Loudspeaker arrangement
SE426283B (en) * 1981-12-07 1982-12-20 Tommy Jagborn HOGTALARLADA
GB2123250A (en) * 1982-06-15 1984-01-25 Psycho Acoustic Res Loudspeaker enclosures
EP0111408A1 (en) * 1982-12-02 1984-06-20 Celestion International Limited Loudspeaker cabinets

Also Published As

Publication number Publication date
HU193767B (en) 1987-11-30
GB8613087D0 (en) 1986-07-02
GB2176370B (en) 1989-01-11
AT389201B (en) 1989-11-10
GB2176370A (en) 1986-12-17
ATA113386A (en) 1989-03-15

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Legal Events

Date Code Title Description
HU90 Patent valid on 900628
HPC4 Succession in title of patentee

Owner name: BALOGH, GEZA, HU

Owner name: SESZTAK, EMIL, HU

HMM4 Cancellation of final prot. due to non-payment of fee