FR692577A - Perfectionnements aux aimants - Google Patents

Perfectionnements aux aimants

Info

Publication number
FR692577A
FR692577A FR692577DA FR692577A FR 692577 A FR692577 A FR 692577A FR 692577D A FR692577D A FR 692577DA FR 692577 A FR692577 A FR 692577A
Authority
FR
France
Prior art keywords
enhancements
magnet
magnet enhancements
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
Other languages
English (en)
Inventor
Paul Gustavus Adolphus H Voigt
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 filed Critical
Application granted granted Critical
Publication of FR692577A publication Critical patent/FR692577A/fr
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
    • H04R9/025—Magnetic circuit

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
FR692577D 1929-03-25 1930-03-22 Perfectionnements aux aimants Expired FR692577A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB949929A GB331209A (en) 1929-03-25 1929-03-25 Improvements in magnets

Publications (1)

Publication Number Publication Date
FR692577A true FR692577A (fr) 1930-11-07

Family

ID=9873127

Family Applications (1)

Application Number Title Priority Date Filing Date
FR692577D Expired FR692577A (fr) 1929-03-25 1930-03-22 Perfectionnements aux aimants

Country Status (2)

Country Link
FR (1) FR692577A (fr)
GB (1) GB331209A (fr)

Also Published As

Publication number Publication date
GB331209A (en) 1930-06-25

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