FR610253A - Improvements to electromagnetic devices - Google Patents

Improvements to electromagnetic devices

Info

Publication number
FR610253A
FR610253A FR610253DA FR610253A FR 610253 A FR610253 A FR 610253A FR 610253D A FR610253D A FR 610253DA FR 610253 A FR610253 A FR 610253A
Authority
FR
France
Prior art keywords
electromagnetic devices
electromagnetic
devices
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)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR610253A publication Critical patent/FR610253A/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)
FR610253D 1925-08-20 1926-01-29 Improvements to electromagnetic devices Expired FR610253A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US610253XA 1925-08-20 1925-08-20

Publications (1)

Publication Number Publication Date
FR610253A true FR610253A (en) 1926-09-02

Family

ID=22033162

Family Applications (1)

Application Number Title Priority Date Filing Date
FR610253D Expired FR610253A (en) 1925-08-20 1926-01-29 Improvements to electromagnetic devices

Country Status (1)

Country Link
FR (1) FR610253A (en)

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