GB289887A - Improvements in or relating to diaphragms more particularly for loud speakers and the like - Google Patents

Improvements in or relating to diaphragms more particularly for loud speakers and the like

Info

Publication number
GB289887A
GB289887A GB1293328A GB1293328A GB289887A GB 289887 A GB289887 A GB 289887A GB 1293328 A GB1293328 A GB 1293328A GB 1293328 A GB1293328 A GB 1293328A GB 289887 A GB289887 A GB 289887A
Authority
GB
United Kingdom
Prior art keywords
folds
conductor
diaphragm
hinge
diaphragms
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
GB1293328A
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Publication of GB289887A publication Critical patent/GB289887A/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/06—Arranging circuit leads; Relieving strain on circuit leads
    • 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
    • H04R7/04—Plane diaphragms
    • 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
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction
    • H04R9/047—Construction in which the windings of the moving coil lay in the same plane
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Adornments (AREA)

Abstract

289,887. Siemens & Halske Akt.- Ges. May 6, 1927, [Convention date]. Addition to 287,065. Diaphragms.-A current conductor is secured to the diaphragm described in the parent Specification and comprising several rigid surfaces hingedly connected together, by pressing the conductor round the hinge portion so that it fits into ribs, folds or incisions provided on the hinge. As shown in Fig. 2 the hinge portion of the diaphragm has folds f formed by applying pressure to rectangular corrugations. The conductor which is V-shaped is pressed into the depressions between the folds by means of a clamping tool. In order to prevent slipping in the direction of the folds the conductor is also pressed into oblique cuts s, Fig. 3, formed in the hinge. Instead of folds, ribs may be adhesively secured to the diaphragm.
GB1293328A 1927-03-12 1928-05-02 Improvements in or relating to diaphragms more particularly for loud speakers and the like Expired GB289887A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DES0078780 1927-03-12
DES79598D DE518111C (en) 1927-03-12 1927-05-07 Arrangement for attaching current conductors to membranes
DES79599D DE484371C (en) 1927-03-12 1927-05-07 Membrane according to patent 482132 with a conductor attached to the middle part for the purpose of electrodynamic drive

Publications (1)

Publication Number Publication Date
GB289887A true GB289887A (en) 1929-08-02

Family

ID=27437544

Family Applications (3)

Application Number Title Priority Date Filing Date
GB760628A Expired GB287065A (en) 1927-03-12 1928-03-12 Improvements in or relating to diaphragms more particularly for loud speakers and the like
GB1294328A Expired GB289888A (en) 1927-03-12 1928-05-02 Improvements in or relating to diaphragms more particularly for loud-speakers and the like
GB1293328A Expired GB289887A (en) 1927-03-12 1928-05-02 Improvements in or relating to diaphragms more particularly for loud speakers and the like

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB760628A Expired GB287065A (en) 1927-03-12 1928-03-12 Improvements in or relating to diaphragms more particularly for loud speakers and the like
GB1294328A Expired GB289888A (en) 1927-03-12 1928-05-02 Improvements in or relating to diaphragms more particularly for loud-speakers and the like

Country Status (4)

Country Link
DE (2) DE484371C (en)
FR (1) FR650754A (en)
GB (3) GB287065A (en)
NL (1) NL22991C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3636278A (en) * 1969-02-19 1972-01-18 Heil Scient Lab Inc Acoustic transducer with a diaphragm forming a plurality of adjacent narrow air spaces open only at one side with the open sides of adjacent air spaces alternatingly facing in opposite directions
DE102007020847B4 (en) 2007-05-02 2009-11-26 Mundorf Eb Gmbh Membrane arrangement for an electrodynamic sound transducer and loudspeaker with such a membrane arrangement
WO2024039265A1 (en) * 2022-08-18 2024-02-22 Ильдар Васимович САФИУЛЛИН Electrodynamic transducer

Also Published As

Publication number Publication date
GB289888A (en) 1929-05-09
DE518111C (en) 1931-02-11
GB287065A (en) 1929-01-31
NL22991C (en)
DE484371C (en) 1929-10-14
FR650754A (en) 1929-02-11

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