GB2310969B - Bass sound projection system - Google Patents

Bass sound projection system

Info

Publication number
GB2310969B
GB2310969B GB9604938A GB9604938A GB2310969B GB 2310969 B GB2310969 B GB 2310969B GB 9604938 A GB9604938 A GB 9604938A GB 9604938 A GB9604938 A GB 9604938A GB 2310969 B GB2310969 B GB 2310969B
Authority
GB
United Kingdom
Prior art keywords
projection system
bass sound
sound projection
bass
sound
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 - Lifetime
Application number
GB9604938A
Other versions
GB2310969A (en
GB9604938D0 (en
Inventor
William Webb
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.)
Martin Audio Ltd
Original Assignee
Martin Audio Ltd
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 Martin Audio Ltd filed Critical Martin Audio Ltd
Priority to GB9604938A priority Critical patent/GB2310969B/en
Publication of GB9604938D0 publication Critical patent/GB9604938D0/en
Publication of GB2310969A publication Critical patent/GB2310969A/en
Application granted granted Critical
Publication of GB2310969B publication Critical patent/GB2310969B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

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)
GB9604938A 1996-03-08 1996-03-08 Bass sound projection system Expired - Lifetime GB2310969B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9604938A GB2310969B (en) 1996-03-08 1996-03-08 Bass sound projection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9604938A GB2310969B (en) 1996-03-08 1996-03-08 Bass sound projection system

Publications (3)

Publication Number Publication Date
GB9604938D0 GB9604938D0 (en) 1996-05-08
GB2310969A GB2310969A (en) 1997-09-10
GB2310969B true GB2310969B (en) 2000-05-03

Family

ID=10790069

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9604938A Expired - Lifetime GB2310969B (en) 1996-03-08 1996-03-08 Bass sound projection system

Country Status (1)

Country Link
GB (1) GB2310969B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5635883A (en) * 1995-08-28 1997-06-03 Motorola, Inc. Acoustic wave filter with filter-shaping element and method
US20040003961A1 (en) * 2002-07-05 2004-01-08 Mackie Designs Inc. Low frequency horn

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4157741A (en) * 1978-08-16 1979-06-12 Goldwater Alan J Phase plug
GB1598310A (en) * 1977-11-04 1981-09-16 Andrews A J Bass sound projection system
WO1985001176A1 (en) * 1983-09-06 1985-03-14 Henry Oliver Wolcott Loudspeaker structure
US4923031A (en) * 1986-02-26 1990-05-08 Electro-Voice, Incorporated High output loudspeaker system
US5187333A (en) * 1990-12-03 1993-02-16 Adair John F Coiled exponential bass/midrange/high frequency horn loudspeaker

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1598310A (en) * 1977-11-04 1981-09-16 Andrews A J Bass sound projection system
US4157741A (en) * 1978-08-16 1979-06-12 Goldwater Alan J Phase plug
WO1985001176A1 (en) * 1983-09-06 1985-03-14 Henry Oliver Wolcott Loudspeaker structure
US4923031A (en) * 1986-02-26 1990-05-08 Electro-Voice, Incorporated High output loudspeaker system
US5187333A (en) * 1990-12-03 1993-02-16 Adair John F Coiled exponential bass/midrange/high frequency horn loudspeaker

Also Published As

Publication number Publication date
GB2310969A (en) 1997-09-10
GB9604938D0 (en) 1996-05-08

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20140710 AND 20140716

PE20 Patent expired after termination of 20 years

Expiry date: 20160307