GB2310969B - Bass sound projection system - Google Patents

Bass sound projection system

Info

Publication number: GB2310969B
Authority: GB; United Kingdom
Prior art keywords: projection system; bass sound; sound projection; bass; sound
Prior art date: 1996-03-08
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

GB9604938D0 (en

GB2310969A (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.)

1996-03-08

Filing date

1996-03-08

Publication date

2000-05-03

1996-03-08 Application filed by Martin Audio Ltd filed Critical Martin Audio Ltd

1996-03-08 Priority to GB9604938A priority Critical patent/GB2310969B/en

1996-05-08 Publication of GB9604938D0 publication Critical patent/GB9604938D0/en

1997-09-10 Publication of GB2310969A publication Critical patent/GB2310969A/en

2000-05-03 Application granted granted Critical

2000-05-03 Publication of GB2310969B publication Critical patent/GB2310969B/en

2016-03-08 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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

1996
- 1996-03-08 GB GB9604938A patent/GB2310969B/en not_active Expired - Lifetime

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

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Legal Events

Date	Code	Title	Description
2007-08-15	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2014-08-06	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
2016-03-30	PE20	Patent expired after termination of 20 years	Expiry date: 20160307