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DK33223C - Telephony or Telegraphy device with high frequency electrical oscillations. - Google Patents

Telephony or Telegraphy device with high frequency electrical oscillations.

Info

Publication number
DK33223C
DK33223C DK33223DA DK33223C DK 33223 C DK33223 C DK 33223C DK 33223D A DK33223D A DK 33223DA DK 33223 C DK33223 C DK 33223C
Authority
DK
Denmark
Prior art keywords
telephony
high frequency
frequency electrical
electrical oscillations
telegraphy
Prior art date
Application number
Other languages
Danish (da)
Original Assignee
Telegrafapparatfabrikanterne M
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 Telegrafapparatfabrikanterne M filed Critical Telegrafapparatfabrikanterne M
Application granted granted Critical
Publication of DK33223C publication Critical patent/DK33223C/en

Links

DK33223D 1920-08-05 1921-07-04 Telephony or Telegraphy device with high frequency electrical oscillations. DK33223C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB33223X 1920-08-05

Publications (1)

Publication Number Publication Date
DK33223C true DK33223C (en) 1924-05-19

Family

ID=9756123

Family Applications (1)

Application Number Title Priority Date Filing Date
DK33223D DK33223C (en) 1920-08-05 1921-07-04 Telephony or Telegraphy device with high frequency electrical oscillations.

Country Status (1)

Country Link
DK (1) DK33223C (en)

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