GB314691A - Diaphragm for loud speakers or the like - Google Patents

Diaphragm for loud speakers or the like

Info

Publication number
GB314691A
GB314691A GB2097828A GB2097828A GB314691A GB 314691 A GB314691 A GB 314691A GB 2097828 A GB2097828 A GB 2097828A GB 2097828 A GB2097828 A GB 2097828A GB 314691 A GB314691 A GB 314691A
Authority
GB
United Kingdom
Prior art keywords
clamped
parts
inner ends
pyramid
loud
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
GB2097828A
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 GB314691A publication Critical patent/GB314691A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12Non-planar diaphragms or cones
    • H04R7/122Non-planar diaphragms or cones comprising a plurality of sections or layers

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)

Abstract

314,691. Birkbeck, H., (Vollmann, W.). July 19, 1928. Loud - speakers; d i a - phragms ; magnetic instruments. - A loud speaker diapbragm consists of three or more curved, sectorshaped parts 1, Figs. 1 and 2 associated together in pyramid fashion, the outer edges being clamped to a frame 5 while the inner ends are actuated by the reed 10, the juxtaposed edges 6 being free, or connected by flexible members permitting free relative movement. The parts may be of different materials and thicknesses, or of different areas the apex of the pyramid being, for example, eccentrically disposed in relation to a rectangular casing. The inner ends may be clamped between cones 15, 16, Fig. 7, or may be glued to a single conical member.
GB2097828A 1928-05-05 1928-07-19 Diaphragm for loud speakers or the like Expired GB314691A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW79281D DE557366C (en) 1928-05-05 1928-05-05 speaker

Publications (1)

Publication Number Publication Date
GB314691A true GB314691A (en) 1929-07-04

Family

ID=10155069

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2097828A Expired GB314691A (en) 1928-05-05 1928-07-19 Diaphragm for loud speakers or the like

Country Status (5)

Country Link
BE (1) BE358783A (en)
DE (1) DE557366C (en)
FR (1) FR659604A (en)
GB (1) GB314691A (en)
NL (1) NL27769C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2791180C1 (en) * 2022-01-23 2023-03-03 Лабынцева Мария Сергеевна Dynamic loudspeaker with a corrugated diffuser

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2791180C1 (en) * 2022-01-23 2023-03-03 Лабынцева Мария Сергеевна Dynamic loudspeaker with a corrugated diffuser

Also Published As

Publication number Publication date
FR659604A (en) 1929-07-03
NL27769C (en)
BE358783A (en)
DE557366C (en) 1932-08-22

Similar Documents

Publication Publication Date Title
GB563595A (en) Improvements relating to microphones
GB314691A (en) Diaphragm for loud speakers or the like
GB320654A (en) Improvements in loud speakers for wireless apparatus or the like
GB284343A (en) Improvements in or connected with souud reproducing devices
GB455208A (en) Improvements in electro-dynamic loud speakers, microphones and the like sound reproducing and recording apparatus
GB362589A (en) Improvements in loud speaker horn
GB246099A (en) Improvements in sound reproducing devices
GB328237A (en) Improvements in or relating to talking machines, and loud speakers
GB611179A (en) Improvements in and relating to acoustic instruments, such as loud speakers and directional microphones
GB233008A (en) Improvements in telephone receivers and like instruments particularly for use in wireless receiving apparatus
GB353309A (en) Improvements in or relating to acoustic devices such as loud speakers
GB298818A (en) Improvements in or relating to loud speakers for wireless installations
GB300849A (en) A loud speaker for radio-telephonic purposes
GB253687A (en) Improvements in telephone receivers, sound reproducers and like instruments
GB248060A (en) Improvements in or relating to loud speaking telephonic receivers
GB310997A (en) Improvements in or relating to wireless loud speakers, microphones and the like
GB301638A (en) Improvements in or relating to loud speakers
GB320515A (en) Improvements in sound reproducing devices
GB252685A (en) Cone type loud speaker
GB513268A (en) Improvements in sound reproducing apparatus
GB316007A (en) Improvements in or relating to sound reproducing devices such as loud speakers
GB303189A (en) Improvements in or relating to acoustic instruments
CA258208A (en) Receiving and transmitting telephone including loud speaker
GB302459A (en) Improvements in cone type loud speakers
GB230552A (en) Improvements in telephone receivers and like instruments