GB271831A - Improvements in or relating to acoustic diaphragms - Google Patents

Improvements in or relating to acoustic diaphragms

Info

Publication number
GB271831A
GB271831A GB9532/27A GB953227A GB271831A GB 271831 A GB271831 A GB 271831A GB 9532/27 A GB9532/27 A GB 9532/27A GB 953227 A GB953227 A GB 953227A GB 271831 A GB271831 A GB 271831A
Authority
GB
United Kingdom
Prior art keywords
clamp
secured
pads
clip
needle
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
GB9532/27A
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.)
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
Publication of GB271831A publication Critical patent/GB271831A/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)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
GB9532/27A 1925-08-01 1927-04-06 Improvements in or relating to acoustic diaphragms Expired GB271831A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR613906T 1925-08-01
FR31494T 1925-09-28
FR32677T 1926-05-31

Publications (1)

Publication Number Publication Date
GB271831A true GB271831A (en) 1927-09-29

Family

ID=27244982

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9532/27A Expired GB271831A (en) 1925-08-01 1927-04-06 Improvements in or relating to acoustic diaphragms

Country Status (4)

Country Link
BE (1) BE335771A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH121143A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR32677E (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB271831A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
BE335771A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR32677E (fr) 1928-02-15
CH121143A (fr) 1927-07-01

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