GB9618190D0 - Loudspeaker - Google Patents

Loudspeaker

Info

Publication number
GB9618190D0
GB9618190D0 GBGB9618190.4A GB9618190A GB9618190D0 GB 9618190 D0 GB9618190 D0 GB 9618190D0 GB 9618190 A GB9618190 A GB 9618190A GB 9618190 D0 GB9618190 D0 GB 9618190D0
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.)
Granted
Application number
GBGB9618190.4A
Other versions
GB2316846A (en
GB2316846B (en
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.)
Harman International Industries Ltd
Harman International Industries Inc
Original Assignee
Harman International Industries Ltd
Harman International Industries Inc
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 Harman International Industries Ltd, Harman International Industries Inc filed Critical Harman International Industries Ltd
Priority to GB9618190A priority Critical patent/GB2316846B/en
Publication of GB9618190D0 publication Critical patent/GB9618190D0/en
Publication of GB2316846A publication Critical patent/GB2316846A/en
Application granted granted Critical
Publication of GB2316846B publication Critical patent/GB2316846B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
GB9618190A 1996-08-30 1996-08-30 Loudspeaker Expired - Fee Related GB2316846B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9618190A GB2316846B (en) 1996-08-30 1996-08-30 Loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9618190A GB2316846B (en) 1996-08-30 1996-08-30 Loudspeaker

Publications (3)

Publication Number Publication Date
GB9618190D0 true GB9618190D0 (en) 1996-10-09
GB2316846A GB2316846A (en) 1998-03-04
GB2316846B GB2316846B (en) 2000-07-26

Family

ID=10799219

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9618190A Expired - Fee Related GB2316846B (en) 1996-08-30 1996-08-30 Loudspeaker

Country Status (1)

Country Link
GB (1) GB2316846B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7177437B1 (en) 2001-10-19 2007-02-13 Duckworth Holding, Llc C/O Osc Audio Products, Inc. Multiple aperture diffraction device
US8718310B2 (en) 2001-10-19 2014-05-06 Qsc Holdings, Inc. Multiple aperture speaker assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB459242A (en) * 1934-08-08 1937-01-05 Hiroshi Miura Improvements in and relating to horns for gramophones or like sound reproducing machines
GB495594A (en) * 1936-11-13 1938-11-16 Standard Telephones Cables Ltd Loudspeaker horn
GB612618A (en) * 1942-11-16 1948-11-16 Brush Dev Co Improvements in or relating to telephone systems of the inter-office, two-way loud speaking type
GB1592246A (en) * 1976-09-23 1981-07-01 Isaac T P Sound projection system
US4390078A (en) * 1982-02-23 1983-06-28 Community Light & Sound, Inc. Loudspeaker horn
IE53117B1 (en) * 1982-05-14 1988-07-06 Sonic Tape Plc Improvements relating to focussing apparatus
US4776428A (en) * 1987-11-16 1988-10-11 Belisle Acoustique Inc. Sound projection system

Also Published As

Publication number Publication date
GB2316846A (en) 1998-03-04
GB2316846B (en) 2000-07-26

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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)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040830