GB441061A - Improvements in or relating to loudspeakers and the like - Google Patents

Improvements in or relating to loudspeakers and the like

Info

Publication number
GB441061A
GB441061A GB19707/34A GB1970734A GB441061A GB 441061 A GB441061 A GB 441061A GB 19707/34 A GB19707/34 A GB 19707/34A GB 1970734 A GB1970734 A GB 1970734A GB 441061 A GB441061 A GB 441061A
Authority
GB
United Kingdom
Prior art keywords
cone
loudspeakers
relating
type
group xxxix
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
GB19707/34A
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
Application filed by Individual filed Critical Individual
Priority to GB19707/34A priority Critical patent/GB441061A/en
Priority to US13240A priority patent/US2049766A/en
Priority to FR791719D priority patent/FR791719A/en
Publication of GB441061A publication Critical patent/GB441061A/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
    • 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)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)

Abstract

441,061. Diaphragm vibrators. GLEN, R. R., Villa Bergeronnettes, Anglet, Basses- PyrÚnÚes, France. July 4, 1934, No. 19707. Drawings to Specification. [Class 13] [See also Group XXXIX] In apparatus of the type in which an inverted cone is arranged within a sound-cone and not in contact with it, the position of the smaller cone is adjustable. The invention is described as applied to a cone-type loudspeaker, but is applicable to horns and hooters. Specification 440,041, [Group XXXIX], is referred to.
GB19707/34A 1934-07-04 1934-07-04 Improvements in or relating to loudspeakers and the like Expired GB441061A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB19707/34A GB441061A (en) 1934-07-04 1934-07-04 Improvements in or relating to loudspeakers and the like
US13240A US2049766A (en) 1934-07-04 1935-03-27 Loudspeaker and like instrument
FR791719D FR791719A (en) 1934-07-04 1935-06-25 Improvements to loudspeakers and similar instruments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB19707/34A GB441061A (en) 1934-07-04 1934-07-04 Improvements in or relating to loudspeakers and the like

Publications (1)

Publication Number Publication Date
GB441061A true GB441061A (en) 1936-01-06

Family

ID=10133852

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19707/34A Expired GB441061A (en) 1934-07-04 1934-07-04 Improvements in or relating to loudspeakers and the like

Country Status (3)

Country Link
US (1) US2049766A (en)
FR (1) FR791719A (en)
GB (1) GB441061A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188811A (en) * 1986-04-01 1987-10-07 Canon Kk Sound output system

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2827978A (en) * 1955-05-31 1958-03-25 Gen Electric Acoustic radiation force measuring device
US2979150A (en) * 1958-10-21 1961-04-11 Jr Jesse C Irby High fidelity loud speaker cabinet
US3109721A (en) * 1958-11-21 1963-11-05 Union Carbide Corp Method and apparatus for separating a fluid mixture by sonic energy
US3292727A (en) * 1963-05-06 1966-12-20 Messerschmitt Ag High power sound generator for sonic fatique testing
JPS6042558Y2 (en) * 1980-04-17 1985-12-27 ソニー株式会社 speaker
US7561704B2 (en) * 2005-12-07 2009-07-14 Yen-Chen Chan Structure of speaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188811A (en) * 1986-04-01 1987-10-07 Canon Kk Sound output system
GB2188811B (en) * 1986-04-01 1990-12-12 Canon Kk Sound output system

Also Published As

Publication number Publication date
FR791719A (en) 1935-12-16
US2049766A (en) 1936-08-04

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