NL352C - Telephone with amplification of the received sound - Google Patents

Telephone with amplification of the received sound

Info

Publication number
NL352C
NL352C NL463A NL463A NL352C NL 352 C NL352 C NL 352C NL 463 A NL463 A NL 463A NL 463 A NL463 A NL 463A NL 352 C NL352 C NL 352C
Authority
NL
Netherlands
Prior art keywords
amplification
telephone
received sound
sound
received
Prior art date
Application number
NL463A
Other languages
Dutch (nl)
Original Assignee
Lagus Robert
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 Lagus Robert filed Critical Lagus Robert
Priority to NL463A priority Critical patent/NL352C/en
Application granted granted Critical
Publication of NL352C publication Critical patent/NL352C/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
NL463A 1912-06-18 1912-06-18 Telephone with amplification of the received sound NL352C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL463A NL352C (en) 1912-06-18 1912-06-18 Telephone with amplification of the received sound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL463A NL352C (en) 1912-06-18 1912-06-18 Telephone with amplification of the received sound

Publications (1)

Publication Number Publication Date
NL352C true NL352C (en) 1914-10-01

Family

ID=1771683

Family Applications (1)

Application Number Title Priority Date Filing Date
NL463A NL352C (en) 1912-06-18 1912-06-18 Telephone with amplification of the received sound

Country Status (1)

Country Link
NL (1) NL352C (en)

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