CH239567A - Apparecchio acustico. - Google Patents

Apparecchio acustico.

Info

Publication number
CH239567A
CH239567A CH239567DA CH239567A CH 239567 A CH239567 A CH 239567A CH 239567D A CH239567D A CH 239567DA CH 239567 A CH239567 A CH 239567A
Authority
CH
Switzerland
Prior art keywords
hearing aid
hearing
aid
Prior art date
Application number
Other languages
English (en)
Inventor
Scalabrini Gaspare
Original Assignee
Scalabrini Gaspare
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 Scalabrini Gaspare filed Critical Scalabrini Gaspare
Publication of CH239567A publication Critical patent/CH239567A/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/19—Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
CH239567D 1945-02-06 1945-02-06 Apparecchio acustico. CH239567A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH239567T 1945-02-06

Publications (1)

Publication Number Publication Date
CH239567A true CH239567A (it) 1945-10-31

Family

ID=4461293

Family Applications (1)

Application Number Title Priority Date Filing Date
CH239567D CH239567A (it) 1945-02-06 1945-02-06 Apparecchio acustico.

Country Status (1)

Country Link
CH (1) CH239567A (it)

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