CH104444A - Appareil téléphonique. - Google Patents

Appareil téléphonique.

Info

Publication number
CH104444A
CH104444A CH104444DA CH104444A CH 104444 A CH104444 A CH 104444A CH 104444D A CH104444D A CH 104444DA CH 104444 A CH104444 A CH 104444A
Authority
CH
Switzerland
Prior art keywords
telephone device
telephone
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
Schmidt Lambert
Original Assignee
Schmidt Lambert
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 Schmidt Lambert filed Critical Schmidt Lambert
Publication of CH104444A publication Critical patent/CH104444A/fr

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)
  • Electromagnets (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
CH104444D 1922-06-26 1922-11-15 Appareil téléphonique. CH104444A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57086922 US1452850A (en) 1922-06-26 1922-06-26 of brooklyn

Publications (1)

Publication Number Publication Date
CH104444A true CH104444A (fr) 1924-05-01

Family

ID=10308531

Family Applications (1)

Application Number Title Priority Date Filing Date
CH104444D CH104444A (fr) 1922-06-26 1922-11-15 Appareil téléphonique.

Country Status (6)

Country Link
US (1) US1452850A (de)
CH (1) CH104444A (de)
DE (1) DE399753C (de)
FR (1) FR558788A (de)
GB (1) GB208330A (de)
NL (1) NL13437C (de)

Also Published As

Publication number Publication date
GB208330A (en) 1923-12-20
NL13437C (de) 1925-08-15
FR558788A (fr) 1923-09-03
US1452850A (en) 1923-04-24
DE399753C (de) 1924-07-29

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