GB469093A - Improvements in or relating to magnetic systems, particularly for electro-acoustic apparatus - Google Patents

Improvements in or relating to magnetic systems, particularly for electro-acoustic apparatus

Info

Publication number
GB469093A
GB469093A GB28454/35A GB2845435A GB469093A GB 469093 A GB469093 A GB 469093A GB 28454/35 A GB28454/35 A GB 28454/35A GB 2845435 A GB2845435 A GB 2845435A GB 469093 A GB469093 A GB 469093A
Authority
GB
United Kingdom
Prior art keywords
coils
oct
electro
relating
acoustic apparatus
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
GB28454/35A
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 GB469093A publication Critical patent/GB469093A/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; ELECTRIC HEARING AIDS; 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)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
GB28454/35A 1934-10-19 1935-10-15 Improvements in or relating to magnetic systems, particularly for electro-acoustic apparatus Expired GB469093A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE469093X 1934-10-19

Publications (1)

Publication Number Publication Date
GB469093A true GB469093A (en) 1937-07-19

Family

ID=6540969

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28454/35A Expired GB469093A (en) 1934-10-19 1935-10-15 Improvements in or relating to magnetic systems, particularly for electro-acoustic apparatus

Country Status (2)

Country Link
BE (1) BE411755A (https=)
GB (1) GB469093A (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1157656B (de) * 1959-01-28 1963-11-21 Philips Nv Elektrodynamischer Wandler
DE2810459A1 (de) * 1977-03-14 1978-09-21 Burundukov Elektrodynamischer wandler von mechanischen schwingungen in elektrische signale und umgekehrt, stereo- und monophonie-tonkoepfe und elektrodynamisches mikrophon
DE3027586A1 (de) * 1980-07-21 1982-02-25 Sennheiser Electronic Kg, 3002 Wedemark Elektroakustischer wandler
FR2549335A1 (fr) * 1983-07-13 1985-01-18 Corselli Laurent Haut-parleur a modulation magnetique

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1157656B (de) * 1959-01-28 1963-11-21 Philips Nv Elektrodynamischer Wandler
DE2810459A1 (de) * 1977-03-14 1978-09-21 Burundukov Elektrodynamischer wandler von mechanischen schwingungen in elektrische signale und umgekehrt, stereo- und monophonie-tonkoepfe und elektrodynamisches mikrophon
DE3027586A1 (de) * 1980-07-21 1982-02-25 Sennheiser Electronic Kg, 3002 Wedemark Elektroakustischer wandler
FR2549335A1 (fr) * 1983-07-13 1985-01-18 Corselli Laurent Haut-parleur a modulation magnetique

Also Published As

Publication number Publication date
BE411755A (https=)

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