GB1303602A - - Google Patents

Info

Publication number
GB1303602A
GB1303602A GB1303602DA GB1303602A GB 1303602 A GB1303602 A GB 1303602A GB 1303602D A GB1303602D A GB 1303602DA GB 1303602 A GB1303602 A GB 1303602A
Authority
GB
United Kingdom
Prior art keywords
units
loud
axes
speaker
smaller
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
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1303602A publication Critical patent/GB1303602A/en
Expired 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 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges

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)
GB1303602D 1971-03-12 1971-03-12 Expired GB1303602A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB664971 1971-03-12

Publications (1)

Publication Number Publication Date
GB1303602A true GB1303602A (ja) 1973-01-17

Family

ID=9818291

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1303602D Expired GB1303602A (ja) 1971-03-12 1971-03-12

Country Status (1)

Country Link
GB (1) GB1303602A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165797A (en) * 1977-06-06 1979-08-28 Mack Spetalnik Adjustable high frequency sound dispersion system
EP0560576A2 (en) * 1992-03-11 1993-09-15 Matsushita Electric Industrial Co., Ltd. Speaker system using a plurality of speaker units for directivity control
GB2486688A (en) * 2010-12-22 2012-06-27 Wolfson Microelectronics Plc Speaker system using several low-frequency loudspeakers around a high-frequency loudspeaker
GB2522055A (en) * 2014-01-11 2015-07-15 Matthew James Dobson Loudspeaker system
IT201900020664A1 (it) * 2019-11-08 2021-05-08 Matteo Perrini Diffusore acustico.

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165797A (en) * 1977-06-06 1979-08-28 Mack Spetalnik Adjustable high frequency sound dispersion system
EP0560576A2 (en) * 1992-03-11 1993-09-15 Matsushita Electric Industrial Co., Ltd. Speaker system using a plurality of speaker units for directivity control
EP0560576A3 (en) * 1992-03-11 1994-05-11 Matsushita Electric Ind Co Ltd Speaker system using a plurality of speaker units for directivity control
GB2486688A (en) * 2010-12-22 2012-06-27 Wolfson Microelectronics Plc Speaker system using several low-frequency loudspeakers around a high-frequency loudspeaker
GB2522055A (en) * 2014-01-11 2015-07-15 Matthew James Dobson Loudspeaker system
GB2522055B (en) * 2014-01-11 2021-06-09 James Dobson Matthew Loudspeaker system
IT201900020664A1 (it) * 2019-11-08 2021-05-08 Matteo Perrini Diffusore acustico.
EP3820159A1 (en) * 2019-11-08 2021-05-12 Matteo Perrini Acoustic speaker

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees