GB396314A - Improvements in and relating to moving coil loud-speakers - Google Patents

Improvements in and relating to moving coil loud-speakers

Info

Publication number
GB396314A
GB396314A GB4430/33A GB443033A GB396314A GB 396314 A GB396314 A GB 396314A GB 4430/33 A GB4430/33 A GB 4430/33A GB 443033 A GB443033 A GB 443033A GB 396314 A GB396314 A GB 396314A
Authority
GB
United Kingdom
Prior art keywords
speakers
moving coil
relating
loud
feb
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
GB4430/33A
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.)
IDEAL WERKE AG
Original Assignee
IDEAL WERKE 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 IDEAL WERKE AG filed Critical IDEAL WERKE AG
Publication of GB396314A publication Critical patent/GB396314A/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
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/045—Mounting

Landscapes

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

Abstract

396,314. Loud - speakers. IDEAL WERKE AKT.-GES. FœR DRAHTLOSE TELEPHONIE, 97, Grosse Leegestrasse, Hohensoh÷nhausen, Berlin. Feb. 13, 1933, No. 4430. Convention date, Feb. 13, 1932. [Class 40 (iv).] The conical dia. phragm 12 of a moving coil loud speaker supportec on the central mag net pole 2 by a flexible spider 7 has a cap 11 arranged between its smaller and larger ends.
GB4430/33A 1932-02-13 1933-02-13 Improvements in and relating to moving coil loud-speakers Expired GB396314A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE396314X 1932-02-13

Publications (1)

Publication Number Publication Date
GB396314A true GB396314A (en) 1933-08-03

Family

ID=6397016

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4430/33A Expired GB396314A (en) 1932-02-13 1933-02-13 Improvements in and relating to moving coil loud-speakers

Country Status (3)

Country Link
BE (1) BE394324A (en)
FR (1) FR753441A (en)
GB (1) GB396314A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE969535C (en) * 1942-04-14 1958-06-12 Siemens Ag Oscillating system with a membrane made of polyvinyl chloride film

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE969535C (en) * 1942-04-14 1958-06-12 Siemens Ag Oscillating system with a membrane made of polyvinyl chloride film

Also Published As

Publication number Publication date
BE394324A (en)
FR753441A (en) 1933-10-16

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