FR599375A - Advanced training in telephone receivers and speakers - Google Patents

Advanced training in telephone receivers and speakers

Info

Publication number
FR599375A
FR599375A FR599375DA FR599375A FR 599375 A FR599375 A FR 599375A FR 599375D A FR599375D A FR 599375DA FR 599375 A FR599375 A FR 599375A
Authority
FR
France
Prior art keywords
speakers
telephone receivers
advanced training
training
advanced
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
French (fr)
Inventor
Stamoulis Calamatianos
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 FR599375A publication Critical patent/FR599375A/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)
FR599375D 1924-12-10 1925-04-24 Advanced training in telephone receivers and speakers Expired FR599375A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2960724A GB246630A (en) 1924-12-10 1924-12-10 Improvements in or relating to electro-magnetic sound reproducing devices for telephony and like applications

Publications (1)

Publication Number Publication Date
FR599375A true FR599375A (en) 1926-01-11

Family

ID=10294214

Family Applications (1)

Application Number Title Priority Date Filing Date
FR599375D Expired FR599375A (en) 1924-12-10 1925-04-24 Advanced training in telephone receivers and speakers

Country Status (2)

Country Link
FR (1) FR599375A (en)
GB (1) GB246630A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7616083B2 (en) * 2005-11-14 2009-11-10 Siemens Magnet Technology Ltd. Resin-impregnated superconducting magnet coil comprising a cooling layer

Also Published As

Publication number Publication date
GB246630A (en) 1926-02-04

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