GB289804A - Improvements in or relating to magnet systems for converting electrical into acoustic oscillations and vice versa - Google Patents

Improvements in or relating to magnet systems for converting electrical into acoustic oscillations and vice versa

Info

Publication number
GB289804A
GB289804A GB11892/28A GB1189228A GB289804A GB 289804 A GB289804 A GB 289804A GB 11892/28 A GB11892/28 A GB 11892/28A GB 1189228 A GB1189228 A GB 1189228A GB 289804 A GB289804 A GB 289804A
Authority
GB
United Kingdom
Prior art keywords
armature
pole pieces
vice versa
converting electrical
windings
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
GB11892/28A
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 GB289804A publication Critical patent/GB289804A/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)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
GB11892/28A 1927-05-02 1928-04-23 Improvements in or relating to magnet systems for converting electrical into acoustic oscillations and vice versa Expired GB289804A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL289804X 1927-05-02

Publications (1)

Publication Number Publication Date
GB289804A true GB289804A (en) 1929-08-23

Family

ID=19782696

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11892/28A Expired GB289804A (en) 1927-05-02 1928-04-23 Improvements in or relating to magnet systems for converting electrical into acoustic oscillations and vice versa

Country Status (3)

Country Link
BE (1) BE350790A (xx)
FR (1) FR653343A (xx)
GB (1) GB289804A (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2915388B1 (fr) 2007-04-27 2010-12-24 Oreal Film hydrosoluble cosmetique
FR2977797B1 (fr) 2011-07-13 2014-01-17 Urgo Lab Utilisation cosmetique et/ou dermatologique de composes oligosaccharidiques pour la prevention et le traitement des vergetures
FR3026949A1 (fr) 2014-10-09 2016-04-15 Urgo Lab Composition cosmetique et/ou dermatologique pour la prevention et le traitement des varices sous cutanees

Also Published As

Publication number Publication date
FR653343A (fr) 1929-03-20
BE350790A (xx)

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