GB335261A - - Google Patents

Info

Publication number
GB335261A
GB335261A GB19231/29A GB1923129A GB335261A GB 335261 A GB335261 A GB 335261A GB 19231/29 A GB19231/29 A GB 19231/29A GB 1923129 A GB1923129 A GB 1923129A GB 335261 A GB335261 A GB 335261A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
pressure member
periphery
clamping means
ring
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
GB19231/29A
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 GB335261A publication Critical patent/GB335261A/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
    • H04R7/24—Tensioning by means acting directly on free portions of diaphragm or cone

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
GB19231/29A 1929-04-05 1929-06-22 Expired GB335261A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE335261T 1929-04-05

Publications (1)

Publication Number Publication Date
GB335261A true GB335261A (en:Method) 1930-09-22

Family

ID=31894934

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19231/29A Expired GB335261A (en:Method) 1929-04-05 1929-06-22

Country Status (1)

Country Link
GB (1) GB335261A (en:Method)

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