GB394533A - Improvements in or relating to magnet systems of electromagnetic devices for converting electrical oscillations into mechanical vibrations or inversely - Google Patents

Improvements in or relating to magnet systems of electromagnetic devices for converting electrical oscillations into mechanical vibrations or inversely

Info

Publication number
GB394533A
GB394533A GB27972/32A GB2797232A GB394533A GB 394533 A GB394533 A GB 394533A GB 27972/32 A GB27972/32 A GB 27972/32A GB 2797232 A GB2797232 A GB 2797232A GB 394533 A GB394533 A GB 394533A
Authority
GB
United Kingdom
Prior art keywords
armature
iron
springs
magnet
air gap
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
GB27972/32A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB394533A publication Critical patent/GB394533A/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)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
GB27972/32A 1932-01-23 1932-10-07 Improvements in or relating to magnet systems of electromagnetic devices for converting electrical oscillations into mechanical vibrations or inversely Expired GB394533A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL394533X 1932-01-23

Publications (1)

Publication Number Publication Date
GB394533A true GB394533A (en) 1933-06-29

Family

ID=19785836

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27972/32A Expired GB394533A (en) 1932-01-23 1932-10-07 Improvements in or relating to magnet systems of electromagnetic devices for converting electrical oscillations into mechanical vibrations or inversely

Country Status (3)

Country Link
BE (1) BE391227A (pm)
FR (1) FR743749A (pm)
GB (1) GB394533A (pm)

Also Published As

Publication number Publication date
BE391227A (pm)
FR743749A (pm) 1933-04-05

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