AT197904B - Device for superimposing audio-frequency control pulses on power distribution networks - Google Patents

Device for superimposing audio-frequency control pulses on power distribution networks

Info

Publication number
AT197904B
AT197904B AT197904DA AT197904B AT 197904 B AT197904 B AT 197904B AT 197904D A AT197904D A AT 197904DA AT 197904 B AT197904 B AT 197904B
Authority
AT
Austria
Prior art keywords
power distribution
frequency control
control pulses
distribution networks
superimposing audio
Prior art date
Application number
Other languages
German (de)
Original Assignee
Landis & Gyr Ag
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 Landis & Gyr Ag filed Critical Landis & Gyr Ag
Application granted granted Critical
Publication of AT197904B publication Critical patent/AT197904B/en

Links

AT197904D 1955-11-22 1956-01-13 Device for superimposing audio-frequency control pulses on power distribution networks AT197904B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH197904X 1955-11-22

Publications (1)

Publication Number Publication Date
AT197904B true AT197904B (en) 1958-05-27

Family

ID=4441099

Family Applications (1)

Application Number Title Priority Date Filing Date
AT197904D AT197904B (en) 1955-11-22 1956-01-13 Device for superimposing audio-frequency control pulses on power distribution networks

Country Status (1)

Country Link
AT (1) AT197904B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0033844A1 (en) * 1980-02-11 1981-08-19 Licentia Patent-Verwaltungs-GmbH Method for data transmission in great depths of water

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0033844A1 (en) * 1980-02-11 1981-08-19 Licentia Patent-Verwaltungs-GmbH Method for data transmission in great depths of water

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