FR848503A - Electrical pulse transmitter - Google Patents

Electrical pulse transmitter

Info

Publication number
FR848503A
FR848503A FR848503DA FR848503A FR 848503 A FR848503 A FR 848503A FR 848503D A FR848503D A FR 848503DA FR 848503 A FR848503 A FR 848503A
Authority
FR
France
Prior art keywords
electrical pulse
pulse transmitter
transmitter
electrical
pulse
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rheinmetall Air Defence AG
Original Assignee
Contraves AG
Oerlikon Contraves 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 Contraves AG, Oerlikon Contraves AG filed Critical Contraves AG
Application granted granted Critical
Publication of FR848503A publication Critical patent/FR848503A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR848503D 1939-01-05 1939-01-05 Electrical pulse transmitter Expired FR848503A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR848503T 1939-01-05

Publications (1)

Publication Number Publication Date
FR848503A true FR848503A (en) 1939-10-31

Family

ID=9314317

Family Applications (1)

Application Number Title Priority Date Filing Date
FR848503D Expired FR848503A (en) 1939-01-05 1939-01-05 Electrical pulse transmitter

Country Status (1)

Country Link
FR (1) FR848503A (en)

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