GB396361A - Loud speaker system or the like with a permanent magnet - Google Patents

Loud speaker system or the like with a permanent magnet

Info

Publication number
GB396361A
GB396361A GB29762/31A GB2976231A GB396361A GB 396361 A GB396361 A GB 396361A GB 29762/31 A GB29762/31 A GB 29762/31A GB 2976231 A GB2976231 A GB 2976231A GB 396361 A GB396361 A GB 396361A
Authority
GB
United Kingdom
Prior art keywords
permanent magnet
loud speaker
speaker system
loud
magnet
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
GB29762/31A
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.)
RADIOWERK E SCHRACK AG
Original Assignee
RADIOWERK E SCHRACK 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 RADIOWERK E SCHRACK AG filed Critical RADIOWERK E SCHRACK AG
Publication of GB396361A publication Critical patent/GB396361A/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
    • H04R11/00—Transducers of moving-armature or moving-core type

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

396,361. Loud-speakers. RADIOWERK E. SCHRACK AKT.-GES., Flotzersteig, Vienna. Oct. 27, 1931, No. 29762. Convention date, March 31. Void [Published under Sect. 91 of the Acts]. [Class 40 (iv).] A loud-speaker driving unit has the portions 3, 4 of the pole pieces 1, 2 mounted on the upper surface of a horseshoe magnet as shown, the plate 6 carrying the armature 5 being also mounted on this surface of the magnet.
GB29762/31A 1931-03-31 1931-10-27 Loud speaker system or the like with a permanent magnet Expired GB396361A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT396361X 1931-03-31

Publications (1)

Publication Number Publication Date
GB396361A true GB396361A (en) 1933-08-03

Family

ID=3673451

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29762/31A Expired GB396361A (en) 1931-03-31 1931-10-27 Loud speaker system or the like with a permanent magnet

Country Status (2)

Country Link
FR (1) FR724573A (en)
GB (1) GB396361A (en)

Also Published As

Publication number Publication date
FR724573A (en) 1932-04-29

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