BE445825A - - Google Patents

Info

Publication number
BE445825A
BE445825A BE445825DA BE445825A BE 445825 A BE445825 A BE 445825A BE 445825D A BE445825D A BE 445825DA BE 445825 A BE445825 A BE 445825A
Authority
BE
Belgium
Application number
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
Publication of BE445825A publication Critical patent/BE445825A/xx

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
    • H04R11/06—Telephone receivers
    • 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)
BE445825D 1941-05-09 1942-06-04 BE445825A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE882404X 1941-05-09

Publications (1)

Publication Number Publication Date
BE445825A true BE445825A (enrdf_load_html_response) 1942-07-31

Family

ID=45351100

Family Applications (1)

Application Number Title Priority Date Filing Date
BE445825D BE445825A (enrdf_load_html_response) 1941-05-09 1942-06-04

Country Status (3)

Country Link
BE (1) BE445825A (enrdf_load_html_response)
CH (1) CH226795A (enrdf_load_html_response)
FR (1) FR882404A (enrdf_load_html_response)

Also Published As

Publication number Publication date
FR882404A (fr) 1943-06-02
CH226795A (de) 1943-04-30

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