GB1472995A - Loudspeaker assembly with sound reflectors - Google Patents

Loudspeaker assembly with sound reflectors

Info

Publication number
GB1472995A
GB1472995A GB2520374A GB2520374A GB1472995A GB 1472995 A GB1472995 A GB 1472995A GB 2520374 A GB2520374 A GB 2520374A GB 2520374 A GB2520374 A GB 2520374A GB 1472995 A GB1472995 A GB 1472995A
Authority
GB
United Kingdom
Prior art keywords
loud
reflector
receptacles
frame
speakers
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
GB2520374A
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.)
Individual
Original Assignee
Individual
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
Priority claimed from US00331384A external-priority patent/US3819006A/en
Application filed by Individual filed Critical Individual
Publication of GB1472995A publication Critical patent/GB1472995A/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
    • H04R1/32—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
    • 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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors
    • 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

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

Abstract

1472995 Loud-speakers assemblies; sound reflectors J R WESTLUND 6 June 1974 25203/74 Headings H4J and H4X A loud-speaker structure comprises a box frame 11, 12, 13, 14, 15, 16, 17, 18 (Fig. 1). A plurality of spherical receptacles 19, 20, 21 (see also Fig. 4) are mounted on one face of the frame by mounting assemblies 24 (see also Fig. 2, not shown). Their centres of the receptacles are in alignment and each carries a loud-speaker 22, their radiation axes being parallel and facing a generally oval reflector 37 (Fig. 5) having straight sides. The reflector has a concave face directed towards the loud-speakers 22 with an apical ridge 41 closely adjacent them. The ridge 41 is a straight line. The reflector is secured to struts 16, 17, 18, 18 of the frame. The receptacles and reflector are preferably of glass fibre bonded with plastics material.
GB2520374A 1973-02-12 1974-06-06 Loudspeaker assembly with sound reflectors Expired GB1472995A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00331384A US3819006A (en) 1973-01-22 1973-02-12 Loudspeaker cabinet with sound reflectors

Publications (1)

Publication Number Publication Date
GB1472995A true GB1472995A (en) 1977-05-11

Family

ID=23293724

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2520374A Expired GB1472995A (en) 1973-02-12 1974-06-06 Loudspeaker assembly with sound reflectors

Country Status (4)

Country Link
CA (1) CA1005766A (en)
DE (1) DE2427043A1 (en)
FR (1) FR2274192A1 (en)
GB (1) GB1472995A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2224908A (en) * 1988-11-09 1990-05-16 Haqi Ismail Hussain Almossawi Stereo speaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2224908A (en) * 1988-11-09 1990-05-16 Haqi Ismail Hussain Almossawi Stereo speaker

Also Published As

Publication number Publication date
FR2274192A1 (en) 1976-01-02
DE2427043A1 (en) 1975-12-18
CA1005766A (en) 1977-02-22

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Legal Events

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