GB383921A - Improvements in or relating to acoustic diaphragms - Google Patents

Improvements in or relating to acoustic diaphragms

Info

Publication number
GB383921A
GB383921A GB19250/32A GB1925032A GB383921A GB 383921 A GB383921 A GB 383921A GB 19250/32 A GB19250/32 A GB 19250/32A GB 1925032 A GB1925032 A GB 1925032A GB 383921 A GB383921 A GB 383921A
Authority
GB
United Kingdom
Prior art keywords
ribs
flange
plane portions
july
interrupted
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
GB19250/32A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB383921A publication Critical patent/GB383921A/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
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
GB19250/32A 1931-07-14 1932-07-07 Improvements in or relating to acoustic diaphragms Expired GB383921A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL383921X 1931-07-14

Publications (1)

Publication Number Publication Date
GB383921A true GB383921A (en) 1932-11-24

Family

ID=19785677

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19250/32A Expired GB383921A (en) 1931-07-14 1932-07-07 Improvements in or relating to acoustic diaphragms

Country Status (3)

Country Link
BE (1) BE389706A (cs)
FR (1) FR739832A (cs)
GB (1) GB383921A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439666A (en) * 1944-01-31 1948-04-13 Rca Corp Loudspeaker diaphragm support

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439666A (en) * 1944-01-31 1948-04-13 Rca Corp Loudspeaker diaphragm support

Also Published As

Publication number Publication date
FR739832A (fr) 1933-01-17
BE389706A (cs)

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