FR567644A - Vibrateur électro-magnétique - Google Patents

Vibrateur électro-magnétique

Info

Publication number
FR567644A
FR567644A FR567644DA FR567644A FR 567644 A FR567644 A FR 567644A FR 567644D A FR567644D A FR 567644DA FR 567644 A FR567644 A FR 567644A
Authority
FR
France
Prior art keywords
electro
magnetic vibrator
vibrator
magnetic
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
English (en)
Inventor
Victor Lagrange
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 FR567644A publication Critical patent/FR567644A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • 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

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
FR567644D 1925-10-02 1923-06-20 Vibrateur électro-magnétique Expired FR567644A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR30976T 1925-10-02

Publications (1)

Publication Number Publication Date
FR567644A true FR567644A (fr) 1924-03-07

Family

ID=8668832

Family Applications (2)

Application Number Title Priority Date Filing Date
FR567644D Expired FR567644A (fr) 1925-10-02 1923-06-20 Vibrateur électro-magnétique
FR30976D Expired FR30976E (fr) 1925-10-02 1925-10-02 Vibrateur électro-magnétique

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR30976D Expired FR30976E (fr) 1925-10-02 1925-10-02 Vibrateur électro-magnétique

Country Status (1)

Country Link
FR (2) FR567644A (fr)

Also Published As

Publication number Publication date
FR30976E (fr) 1926-10-06

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