GB265538A - Improvements in loud speakers - Google Patents

Improvements in loud speakers

Info

Publication number
GB265538A
GB265538A GB14277/26A GB1427726A GB265538A GB 265538 A GB265538 A GB 265538A GB 14277/26 A GB14277/26 A GB 14277/26A GB 1427726 A GB1427726 A GB 1427726A GB 265538 A GB265538 A GB 265538A
Authority
GB
United Kingdom
Prior art keywords
sheet
veneer
diaphragm
layers
paper
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
GB14277/26A
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
Ambac International Corp
Original Assignee
HOPKINS CORP
American Bosch Magneto 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, American Bosch Magneto Corp filed Critical HOPKINS CORP
Publication of GB265538A publication Critical patent/GB265538A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
GB14277/26A 1926-02-05 1926-06-07 Improvements in loud speakers Expired GB265538A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US265538XA 1926-02-05 1926-02-05

Publications (1)

Publication Number Publication Date
GB265538A true GB265538A (en) 1927-03-31

Family

ID=21832468

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14277/26A Expired GB265538A (en) 1926-02-05 1926-06-07 Improvements in loud speakers

Country Status (3)

Country Link
DE (1) DE464609C (fr)
FR (1) FR617464A (fr)
GB (1) GB265538A (fr)

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
DE464609C (de) 1928-08-22
FR617464A (fr) 1927-02-19

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