GB0420240D0 - Quasi-rectangular frame array antennae - Google Patents

Quasi-rectangular frame array antennae

Info

Publication number
GB0420240D0
GB0420240D0 GBGB0420240.4A GB0420240A GB0420240D0 GB 0420240 D0 GB0420240 D0 GB 0420240D0 GB 0420240 A GB0420240 A GB 0420240A GB 0420240 D0 GB0420240 D0 GB 0420240D0
Authority
GB
United Kingdom
Prior art keywords
quasi
rectangular frame
frame array
array antennae
antennae
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.)
Ceased
Application number
GBGB0420240.4A
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.)
1 Ltd
Original Assignee
1 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 1 Ltd filed Critical 1 Ltd
Priority to GBGB0420240.4A priority Critical patent/GB0420240D0/en
Publication of GB0420240D0 publication Critical patent/GB0420240D0/en
Priority to GB0704911A priority patent/GB2432743B/en
Priority to PCT/GB2005/003528 priority patent/WO2006030198A1/en
Ceased 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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
    • H04R2205/022—Plurality of transducers corresponding to a plurality of sound channels in each earpiece of headphones or in a single enclosure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
GBGB0420240.4A 2004-09-13 2004-09-13 Quasi-rectangular frame array antennae Ceased GB0420240D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GBGB0420240.4A GB0420240D0 (en) 2004-09-13 2004-09-13 Quasi-rectangular frame array antennae
GB0704911A GB2432743B (en) 2004-09-13 2005-09-13 Frame array
PCT/GB2005/003528 WO2006030198A1 (en) 2004-09-13 2005-09-13 Frame array

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0420240.4A GB0420240D0 (en) 2004-09-13 2004-09-13 Quasi-rectangular frame array antennae

Publications (1)

Publication Number Publication Date
GB0420240D0 true GB0420240D0 (en) 2004-10-13

Family

ID=33186897

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0420240.4A Ceased GB0420240D0 (en) 2004-09-13 2004-09-13 Quasi-rectangular frame array antennae
GB0704911A Expired - Fee Related GB2432743B (en) 2004-09-13 2005-09-13 Frame array

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0704911A Expired - Fee Related GB2432743B (en) 2004-09-13 2005-09-13 Frame array

Country Status (2)

Country Link
GB (2) GB0420240D0 (en)
WO (1) WO2006030198A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0301093D0 (en) 2003-01-17 2003-02-19 1 Ltd Set-up method for array-type sound systems
WO2012032335A1 (en) 2010-09-06 2012-03-15 Cambridge Mechatronics Limited Array loudspeaker system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR910007182B1 (en) * 1987-12-21 1991-09-19 마쯔시다덴기산교 가부시기가이샤 Screen apparatus
US6205224B1 (en) * 1996-05-17 2001-03-20 The Boeing Company Circularly symmetric, zero redundancy, planar array having broad frequency range applications
GB0304126D0 (en) * 2003-02-24 2003-03-26 1 Ltd Sound beam loudspeaker system

Also Published As

Publication number Publication date
GB0704911D0 (en) 2007-04-25
GB2432743A (en) 2007-05-30
WO2006030198A1 (en) 2006-03-23
GB2432743B (en) 2008-01-02

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)