GB465830A - Improvements in loudspeakers - Google Patents

Improvements in loudspeakers

Info

Publication number
GB465830A
GB465830A GB3223835A GB3223835A GB465830A GB 465830 A GB465830 A GB 465830A GB 3223835 A GB3223835 A GB 3223835A GB 3223835 A GB3223835 A GB 3223835A GB 465830 A GB465830 A GB 465830A
Authority
GB
United Kingdom
Prior art keywords
loudspeakers
falkus
cole
horn
nov
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
GB3223835A
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.)
ARTHUR EVEREST FALKUS
EK Cole Ltd
Original Assignee
ARTHUR EVEREST FALKUS
EK Cole 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 ARTHUR EVEREST FALKUS, EK Cole Ltd filed Critical ARTHUR EVEREST FALKUS
Priority to GB3223835A priority Critical patent/GB465830A/en
Publication of GB465830A publication Critical patent/GB465830A/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

465,830. Acoustic horns. COLE, Ltd., E. K., and FALKUS, A. E. Nov. 21, 1935, No. 32238. [Class 13] [Also in Group XXXIX] A horn 5, forming part of a moving-coil loud-speaker, has flared side walls which are substantially vertical and substantially flat top and bottom walls.
GB3223835A 1935-11-21 1935-11-21 Improvements in loudspeakers Expired GB465830A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3223835A GB465830A (en) 1935-11-21 1935-11-21 Improvements in loudspeakers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3223835A GB465830A (en) 1935-11-21 1935-11-21 Improvements in loudspeakers

Publications (1)

Publication Number Publication Date
GB465830A true GB465830A (en) 1937-05-18

Family

ID=10335470

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3223835A Expired GB465830A (en) 1935-11-21 1935-11-21 Improvements in loudspeakers

Country Status (1)

Country Link
GB (1) GB465830A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322584A (en) * 1979-06-30 1982-03-30 Pioneer Electronic Corporation Voice coil bobbin for planar diaphragm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322584A (en) * 1979-06-30 1982-03-30 Pioneer Electronic Corporation Voice coil bobbin for planar diaphragm

Similar Documents

Publication Publication Date Title
GB495594A (en) Loudspeaker horn
GB465830A (en) Improvements in loudspeakers
GB441061A (en) Improvements in or relating to loudspeakers and the like
GB496504A (en) Improvements in loud speakers
GB233008A (en) Improvements in telephone receivers and like instruments particularly for use in wireless receiving apparatus
CA325710A (en) Loud speaker diaphragm
GB448189A (en) Improvements in or relating to moving coil loudspeakers
CA316551A (en) Electro-dynamic loud speaker
AU1839924A (en) Improved horn and or tone box for talking machines, wireless loud speakers and the like
GB375166A (en) Arrangement for bilateral reproducing sound apparatus, especially for electrostatic loudspeakers
CA326763A (en) Loud speaker oscillatory member
GB305748A (en) Improvements in and relating to loud speakers
GB237699A (en) Improvements in and relating to loud speakers and to electromagnetically vibrated diaphragms
CA323884A (en) Loud speaker
CA324666A (en) Loud speaker
CA327515A (en) Loud speaker
CA322329A (en) Loud speaker
CA320846A (en) Loud speaker
CA324804A (en) Loud speaker magnet
CA303681A (en) Diaphragm mounting for loud speakers
AU1004932A (en) Electrodynamic speaker
CA262009A (en) Loud speaker diaphragm
FR759064A (en) Membrane, especially for telephones, microphones or other electro-acoustic devices
CA331152A (en) Driving member for electro-dynamic loud speakers
AU105197B2 (en) Electrodynamic loud speaker with combined yoke and transformer