GB237699A - Improvements in and relating to loud speakers and to electromagnetically vibrated diaphragms - Google Patents

Improvements in and relating to loud speakers and to electromagnetically vibrated diaphragms

Info

Publication number
GB237699A
GB237699A GB1513724A GB1513724A GB237699A GB 237699 A GB237699 A GB 237699A GB 1513724 A GB1513724 A GB 1513724A GB 1513724 A GB1513724 A GB 1513724A GB 237699 A GB237699 A GB 237699A
Authority
GB
United Kingdom
Prior art keywords
diaphragms
relating
loud speakers
electromagnetically vibrated
electromagnetically
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
GB1513724A
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 GB1513724A priority Critical patent/GB237699A/en
Publication of GB237699A publication Critical patent/GB237699A/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
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

237,699. Vandervell, C. A. June 23, 1924. Sound - magnifying appliances. - The Provisional Specification describes loudspeaker trumpets, the uniformity of which is broken by longitudinal and transverse lines of another material such as solder or lead, the lines being inlaid or overlaid, as illustrated for a diaphragm.
GB1513724A 1924-06-23 1924-06-23 Improvements in and relating to loud speakers and to electromagnetically vibrated diaphragms Expired GB237699A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1513724A GB237699A (en) 1924-06-23 1924-06-23 Improvements in and relating to loud speakers and to electromagnetically vibrated diaphragms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1513724A GB237699A (en) 1924-06-23 1924-06-23 Improvements in and relating to loud speakers and to electromagnetically vibrated diaphragms

Publications (1)

Publication Number Publication Date
GB237699A true GB237699A (en) 1925-08-06

Family

ID=10053684

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1513724A Expired GB237699A (en) 1924-06-23 1924-06-23 Improvements in and relating to loud speakers and to electromagnetically vibrated diaphragms

Country Status (1)

Country Link
GB (1) GB237699A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2863520A (en) * 1955-03-11 1958-12-09 Gen Dynamics Corp Loudspeaker cone rim treatment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2863520A (en) * 1955-03-11 1958-12-09 Gen Dynamics Corp Loudspeaker cone rim treatment

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