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GB2211377B - Loudspeaker - Google Patents

Loudspeaker

Info

Publication number
GB2211377B
GB2211377B GB8824239A GB8824239A GB2211377B GB 2211377 B GB2211377 B GB 2211377B GB 8824239 A GB8824239 A GB 8824239A GB 8824239 A GB8824239 A GB 8824239A GB 2211377 B GB2211377 B GB 2211377B
Authority
GB
United Kingdom
Prior art keywords
loudspeaker
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB8824239A
Other versions
GB8824239D0 (en
GB2211377A (en
Inventor
Alan Brock Adamson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ADAMSON ACOUSTIC DESIGN CORP
Original Assignee
ADAMSON ACOUSTIC DESIGN CORP
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
Priority claimed from GB878724299A external-priority patent/GB8724299D0/en
Application filed by ADAMSON ACOUSTIC DESIGN CORP filed Critical ADAMSON ACOUSTIC DESIGN CORP
Priority to GB8824239A priority Critical patent/GB2211377B/en
Publication of GB8824239D0 publication Critical patent/GB8824239D0/en
Publication of GB2211377A publication Critical patent/GB2211377A/en
Application granted granted Critical
Publication of GB2211377B publication Critical patent/GB2211377B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • B32B5/02—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 structural features of a fibrous or filamentary layer
    • B32B5/12—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 structural features of a fibrous or filamentary layer characterised by the relative arrangement of fibres or filaments of different layers, e.g. the fibres or filaments being parallel or perpendicular to each other
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • 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
    • B32B5/24—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 one layer being a fibrous or filamentary layer
    • B32B5/26—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 one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
    • 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
    • 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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
GB8824239A 1987-10-16 1988-10-17 Loudspeaker Expired - Fee Related GB2211377B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8824239A GB2211377B (en) 1987-10-16 1988-10-17 Loudspeaker

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB878724299A GB8724299D0 (en) 1987-10-16 1987-10-16 Loudspeaker design
GB8824239A GB2211377B (en) 1987-10-16 1988-10-17 Loudspeaker

Publications (3)

Publication Number Publication Date
GB8824239D0 GB8824239D0 (en) 1988-11-23
GB2211377A GB2211377A (en) 1989-06-28
GB2211377B true GB2211377B (en) 1990-12-19

Family

ID=26292908

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8824239A Expired - Fee Related GB2211377B (en) 1987-10-16 1988-10-17 Loudspeaker

Country Status (1)

Country Link
GB (1) GB2211377B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106375917A (en) * 2016-11-02 2017-02-01 深圳市音沃仕科技有限公司 Voice diaphragm assembly of loudspeaker and manufacturing method thereof

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES1008181Y (en) * 1988-11-07 1989-09-01 Gadea Veses Javier ACOUSTIC BOX FOR SOUND TRANSDUCTION.
DE19603002C1 (en) * 1996-01-27 1997-05-22 Martin Kling Loudspeaker with phase correction device
GB0202284D0 (en) 2002-01-31 2002-03-20 Martin Audio Ltd Directional loudspeaker
GB2451259B (en) * 2007-07-25 2011-07-20 Gp Acoustics Loudspeaker
CN109286881B (en) * 2017-07-21 2023-08-25 惠州迪芬尼声学科技股份有限公司 Combined phase plug and application thereof in compression driver and loudspeaker
EP4070567A1 (en) * 2019-12-02 2022-10-12 Harman International Industries, Incorporated Compression driver with dome diaphragm and annular exit
US11445303B2 (en) 2020-10-16 2022-09-13 Harman International Industries, Incorporated Omnidirectional loudspeaker and compression driver therefor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1063062A (en) * 1962-10-23 1967-03-30 Albert Joseph Large Improvements in sound producing devices such as loudspeakers
US4152552A (en) * 1977-02-01 1979-05-01 Meyer John D Horn speaker and method for producing low distortion sound
US4525604A (en) * 1983-06-07 1985-06-25 Electro-Voice, Incorporated Horn loudspeaker with convex diaphragm

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1063062A (en) * 1962-10-23 1967-03-30 Albert Joseph Large Improvements in sound producing devices such as loudspeakers
US4152552A (en) * 1977-02-01 1979-05-01 Meyer John D Horn speaker and method for producing low distortion sound
US4525604A (en) * 1983-06-07 1985-06-25 Electro-Voice, Incorporated Horn loudspeaker with convex diaphragm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106375917A (en) * 2016-11-02 2017-02-01 深圳市音沃仕科技有限公司 Voice diaphragm assembly of loudspeaker and manufacturing method thereof

Also Published As

Publication number Publication date
GB8824239D0 (en) 1988-11-23
GB2211377A (en) 1989-06-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19931017