GB2464512B - A sound source - Google Patents

A sound source

Info

Publication number
GB2464512B
GB2464512B GB0819100A GB0819100A GB2464512B GB 2464512 B GB2464512 B GB 2464512B GB 0819100 A GB0819100 A GB 0819100A GB 0819100 A GB0819100 A GB 0819100A GB 2464512 B GB2464512 B GB 2464512B
Authority
GB
United Kingdom
Prior art keywords
sound source
sound
source
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
GB0819100A
Other versions
GB2464512A (en
GB0819100D0 (en
Inventor
Edward Kinsella
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.)
INSTIGATE MEDIA Ltd
Original Assignee
INSTIGATE MEDIA 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 INSTIGATE MEDIA Ltd filed Critical INSTIGATE MEDIA Ltd
Priority to GB0819100A priority Critical patent/GB2464512B/en
Publication of GB0819100D0 publication Critical patent/GB0819100D0/en
Publication of GB2464512A publication Critical patent/GB2464512A/en
Application granted granted Critical
Publication of GB2464512B publication Critical patent/GB2464512B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers
    • 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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
    • 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
    • H04R7/04—Plane diaphragms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
GB0819100A 2008-10-16 2008-10-16 A sound source Expired - Fee Related GB2464512B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0819100A GB2464512B (en) 2008-10-16 2008-10-16 A sound source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0819100A GB2464512B (en) 2008-10-16 2008-10-16 A sound source

Publications (3)

Publication Number Publication Date
GB0819100D0 GB0819100D0 (en) 2008-11-26
GB2464512A GB2464512A (en) 2010-04-21
GB2464512B true GB2464512B (en) 2012-11-28

Family

ID=40097625

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0819100A Expired - Fee Related GB2464512B (en) 2008-10-16 2008-10-16 A sound source

Country Status (1)

Country Link
GB (1) GB2464512B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB978781A (en) * 1961-04-14 1964-12-23 Gen Electric Co Ltd Improvements in or relating to sound reproducing apparatus
US4445227A (en) * 1981-12-28 1984-04-24 Magnavox Consumer Electronics Company Loudspeaker having improved directional characteristics
EP0339425A2 (en) * 1988-04-28 1989-11-02 Matsushita Electric Industrial Co., Ltd. Speaker system
US5117463A (en) * 1989-03-14 1992-05-26 Pioneer Electronic Corporation Speaker system having directivity

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB978781A (en) * 1961-04-14 1964-12-23 Gen Electric Co Ltd Improvements in or relating to sound reproducing apparatus
US4445227A (en) * 1981-12-28 1984-04-24 Magnavox Consumer Electronics Company Loudspeaker having improved directional characteristics
EP0339425A2 (en) * 1988-04-28 1989-11-02 Matsushita Electric Industrial Co., Ltd. Speaker system
US5117463A (en) * 1989-03-14 1992-05-26 Pioneer Electronic Corporation Speaker system having directivity

Also Published As

Publication number Publication date
GB2464512A (en) 2010-04-21
GB0819100D0 (en) 2008-11-26

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Legal Events

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

Effective date: 20181016