GB725182A - Improvements in or relating to moving coil loudspeakers - Google Patents

Improvements in or relating to moving coil loudspeakers

Info

Publication number
GB725182A
GB725182A GB6985/53A GB698553A GB725182A GB 725182 A GB725182 A GB 725182A GB 6985/53 A GB6985/53 A GB 6985/53A GB 698553 A GB698553 A GB 698553A GB 725182 A GB725182 A GB 725182A
Authority
GB
United Kingdom
Prior art keywords
frame
core
annular
polepiece
moving coil
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
GB6985/53A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB725182A publication Critical patent/GB725182A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
GB6985/53A 1952-03-18 1953-03-13 Improvements in or relating to moving coil loudspeakers Expired GB725182A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL310549X 1952-03-18

Publications (1)

Publication Number Publication Date
GB725182A true GB725182A (en) 1955-03-02

Family

ID=19783621

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6985/53A Expired GB725182A (en) 1952-03-18 1953-03-13 Improvements in or relating to moving coil loudspeakers

Country Status (4)

Country Link
BE (1) BE518496A (enrdf_load_stackoverflow)
CH (1) CH310549A (enrdf_load_stackoverflow)
DE (1) DE916954C (enrdf_load_stackoverflow)
GB (1) GB725182A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1024177B (de) * 1956-10-03 1958-02-13 Tigges & Co Magnetfabrik Magnetische Abschirmung eines Ringspalt-Magnetsystems mit Kunststoff- oder Spritzgussumhuellung
DE1177210B (de) * 1962-12-14 1964-09-03 Lehner Fernsprech Signal Elektroakustischer Wandler fuer telefonische Zwecke
JPS5911237B2 (ja) * 1979-08-16 1984-03-14 株式会社精工舎 圧電スピ−カ
DE3031568C2 (de) * 1980-08-21 1982-09-02 Braun Ag, 6000 Frankfurt Dynamischer Lautsprecher

Also Published As

Publication number Publication date
DE916954C (de) 1954-08-23
BE518496A (enrdf_load_stackoverflow)
CH310549A (de) 1955-10-31

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