CH386488A - Elektromagnetischer Telephonhörer - Google Patents

Elektromagnetischer Telephonhörer

Info

Publication number
CH386488A
CH386488A CH297361A CH297361A CH386488A CH 386488 A CH386488 A CH 386488A CH 297361 A CH297361 A CH 297361A CH 297361 A CH297361 A CH 297361A CH 386488 A CH386488 A CH 386488A
Authority
CH
Switzerland
Prior art keywords
telephone receiver
electromagnetic telephone
electromagnetic
receiver
telephone
Prior art date
Application number
CH297361A
Other languages
English (en)
Original Assignee
Nippon Telegraph & Telephone
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 Nippon Telegraph & Telephone filed Critical Nippon Telegraph & Telephone
Publication of CH386488A publication Critical patent/CH386488A/de

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
    • H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet
    • 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
    • H04R11/06—Telephone receivers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnets (AREA)
CH297361A 1960-06-08 1961-03-13 Elektromagnetischer Telephonhörer CH386488A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2696660 1960-06-08

Publications (1)

Publication Number Publication Date
CH386488A true CH386488A (de) 1965-01-15

Family

ID=12207879

Family Applications (1)

Application Number Title Priority Date Filing Date
CH297361A CH386488A (de) 1960-06-08 1961-03-13 Elektromagnetischer Telephonhörer

Country Status (2)

Country Link
CH (1) CH386488A (de)
GB (1) GB905968A (de)

Also Published As

Publication number Publication date
GB905968A (en) 1962-09-12

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