GB263480A - Loud speakers - Google Patents

Loud speakers

Info

Publication number
GB263480A
GB263480A GB9735/26A GB973526A GB263480A GB 263480 A GB263480 A GB 263480A GB 9735/26 A GB9735/26 A GB 9735/26A GB 973526 A GB973526 A GB 973526A GB 263480 A GB263480 A GB 263480A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
wood
paper
hopkins
impedance
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
GB9735/26A
Other languages
English (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.)
HOPKINS CORP
Original Assignee
HOPKINS CORP
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 HOPKINS CORP filed Critical HOPKINS CORP
Publication of GB263480A publication Critical patent/GB263480A/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; ELECTRIC HEARING AIDS; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
GB9735/26A 1925-12-22 1926-04-13 Loud speakers Expired GB263480A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US263480XA 1925-12-22 1925-12-22

Publications (1)

Publication Number Publication Date
GB263480A true GB263480A (en) 1927-09-13

Family

ID=21831303

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9735/26A Expired GB263480A (en) 1925-12-22 1926-04-13 Loud speakers

Country Status (2)

Country Link
GB (1) GB263480A (cg-RX-API-DMAC10.html)
NL (1) NL21086C (cg-RX-API-DMAC10.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127650A (en) * 1982-08-07 1984-04-11 Univ Liverpool Moving coil loudspeaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127650A (en) * 1982-08-07 1984-04-11 Univ Liverpool Moving coil loudspeaker

Also Published As

Publication number Publication date
NL21086C (cg-RX-API-DMAC10.html)

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