GB322689A - Improvements in or relating to diaphragms or membranes for the reproduction and amplification of sounds - Google Patents

Improvements in or relating to diaphragms or membranes for the reproduction and amplification of sounds

Info

Publication number
GB322689A
GB322689A GB273729A GB273729A GB322689A GB 322689 A GB322689 A GB 322689A GB 273729 A GB273729 A GB 273729A GB 273729 A GB273729 A GB 273729A GB 322689 A GB322689 A GB 322689A
Authority
GB
United Kingdom
Prior art keywords
diaphragms
sounds
membranes
reproduction
amplification
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
GB273729A
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
Priority to GB273729A priority Critical patent/GB322689A/en
Publication of GB322689A publication Critical patent/GB322689A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

322,689. Legge, A. di. Jan. 26, 1929. Diaphragms.-A diaphragm for use in phonographs, telephones, microphones, loud-speakers, &c. comprises a number of sheets of aluminium alternating with layers of very thin silk and having one or more sheets of celluloid combined therewith. The sheets are united by celluloid gum or other suitable adhesive and subjected to compression and drying to form a compound sheet.
GB273729A 1929-01-26 1929-01-26 Improvements in or relating to diaphragms or membranes for the reproduction and amplification of sounds Expired GB322689A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB273729A GB322689A (en) 1929-01-26 1929-01-26 Improvements in or relating to diaphragms or membranes for the reproduction and amplification of sounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB273729A GB322689A (en) 1929-01-26 1929-01-26 Improvements in or relating to diaphragms or membranes for the reproduction and amplification of sounds

Publications (1)

Publication Number Publication Date
GB322689A true GB322689A (en) 1929-12-12

Family

ID=9744930

Family Applications (1)

Application Number Title Priority Date Filing Date
GB273729A Expired GB322689A (en) 1929-01-26 1929-01-26 Improvements in or relating to diaphragms or membranes for the reproduction and amplification of sounds

Country Status (1)

Country Link
GB (1) GB322689A (en)

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