GB8727343D0 - Speaker - Google Patents

Speaker

Info

Publication number
GB8727343D0
GB8727343D0 GB878727343A GB8727343A GB8727343D0 GB 8727343 D0 GB8727343 D0 GB 8727343D0 GB 878727343 A GB878727343 A GB 878727343A GB 8727343 A GB8727343 A GB 8727343A GB 8727343 D0 GB8727343 D0 GB 8727343D0
Authority
GB
United Kingdom
Prior art keywords
speaker
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.)
Withdrawn
Application number
GB878727343A
Other versions
GB2212694A (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.)
Webb R A
Original Assignee
Webb R A
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 Webb R A filed Critical Webb R A
Priority to GB8727343A priority Critical patent/GB2212694A/en
Publication of GB8727343D0 publication Critical patent/GB8727343D0/en
Publication of GB2212694A publication Critical patent/GB2212694A/en
Withdrawn legal-status Critical Current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
    • 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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • 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 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
GB8727343A 1987-11-21 1987-11-21 Speaker Withdrawn GB2212694A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8727343A GB2212694A (en) 1987-11-21 1987-11-21 Speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8727343A GB2212694A (en) 1987-11-21 1987-11-21 Speaker

Publications (2)

Publication Number Publication Date
GB8727343D0 true GB8727343D0 (en) 1987-12-23
GB2212694A GB2212694A (en) 1989-07-26

Family

ID=10627374

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8727343A Withdrawn GB2212694A (en) 1987-11-21 1987-11-21 Speaker

Country Status (1)

Country Link
GB (1) GB2212694A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5229555A (en) * 1990-03-30 1993-07-20 Matsushita Electric Industrial Co., Ltd. Speaker system and tv with the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH564296A5 (en) * 1973-08-30 1975-07-15 Widmann Gottlob Wigo & Soehne
IT1086464B (en) * 1977-09-06 1985-05-28 Selmin Sas METHOD AND DEVICES FOR OMNIDIRECTIONAL IRRADIATION OF SOUND WAVES
US4283606A (en) * 1979-07-16 1981-08-11 Cerwin Vega, Inc. Coaxial loudspeaker system
DE3034522C2 (en) * 1979-09-14 1983-11-03 Pioneer Electronic Corp., Tokyo Loudspeaker unit for automobiles
JPS5821998A (en) * 1981-07-31 1983-02-09 Nissan Motor Co Ltd Acoustic device for car
GB2184323A (en) * 1985-12-12 1987-06-17 Midlen Trading Corp Loudspeaker system

Also Published As

Publication number Publication date
GB2212694A (en) 1989-07-26

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)