FR367053A - Magnet system for phones - Google Patents

Magnet system for phones

Info

Publication number
FR367053A
FR367053A FR367053DA FR367053A FR 367053 A FR367053 A FR 367053A FR 367053D A FR367053D A FR 367053DA FR 367053 A FR367053 A FR 367053A
Authority
FR
France
Prior art keywords
phones
magnet system
magnet
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
Hans Jochen Von Nathusius
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.)
HANS JOCHEN VON NATHUSIUS
Original Assignee
HANS JOCHEN VON NATHUSIUS
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 HANS JOCHEN VON NATHUSIUS filed Critical HANS JOCHEN VON NATHUSIUS
Application granted granted Critical
Publication of FR367053A publication Critical patent/FR367053A/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
    • H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet
    • H04R13/02—Telephone receivers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR367053D 1906-06-11 1906-06-11 Magnet system for phones Expired FR367053A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR367053T 1906-06-11

Publications (1)

Publication Number Publication Date
FR367053A true FR367053A (en) 1906-10-19

Family

ID=1414221

Family Applications (1)

Application Number Title Priority Date Filing Date
FR367053D Expired FR367053A (en) 1906-06-11 1906-06-11 Magnet system for phones

Country Status (1)

Country Link
FR (1) FR367053A (en)

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