GB313688A - Improvements in or relating to diaphragms for producing sound - Google Patents

Improvements in or relating to diaphragms for producing sound

Info

Publication number
GB313688A
GB313688A GB1085128A GB1085128A GB313688A GB 313688 A GB313688 A GB 313688A GB 1085128 A GB1085128 A GB 1085128A GB 1085128 A GB1085128 A GB 1085128A GB 313688 A GB313688 A GB 313688A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
segments
diaphragms
relating
producing sound
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
GB1085128A
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.)
WALTER HENRY SAMUEL VINCENT
Original Assignee
WALTER HENRY SAMUEL VINCENT
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 WALTER HENRY SAMUEL VINCENT filed Critical WALTER HENRY SAMUEL VINCENT
Priority to GB1085128A priority Critical patent/GB313688A/en
Publication of GB313688A publication Critical patent/GB313688A/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

Abstract

313,688. Vincent, W. H. S. April 12, 1928. Diaphragms; magnetic instruments.-A flared diaphragm is formed of a series of segments a of the shape shown, so that the diaphragm is circular. The segments are formed of thin veneer wood, and are connected together at their edges by adhesive tape. The diaphragm has at its free edge a flat portion d, with a beading and a backing piece, as shown in Fig. 2. A closed pocket b is formed at the apex of the. diaphragm for engagement by the operating armature or stylus. The Provisional Specification describes also the use of metal, celluloid, cardboard, paper, or hard rubber for forming the segments.
GB1085128A 1928-04-12 1928-04-12 Improvements in or relating to diaphragms for producing sound Expired GB313688A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1085128A GB313688A (en) 1928-04-12 1928-04-12 Improvements in or relating to diaphragms for producing sound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1085128A GB313688A (en) 1928-04-12 1928-04-12 Improvements in or relating to diaphragms for producing sound

Publications (1)

Publication Number Publication Date
GB313688A true GB313688A (en) 1929-06-20

Family

ID=9975482

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1085128A Expired GB313688A (en) 1928-04-12 1928-04-12 Improvements in or relating to diaphragms for producing sound

Country Status (1)

Country Link
GB (1) GB313688A (en)

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