FR1145385A - Device for the emission of electric pulse trains - Google Patents

Device for the emission of electric pulse trains

Info

Publication number
FR1145385A
FR1145385A FR1145385DA FR1145385A FR 1145385 A FR1145385 A FR 1145385A FR 1145385D A FR1145385D A FR 1145385DA FR 1145385 A FR1145385 A FR 1145385A
Authority
FR
France
Prior art keywords
emission
electric pulse
pulse trains
trains
electric
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)
Inventor
Oskar Vierling
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 filed Critical
Application granted granted Critical
Publication of FR1145385A publication Critical patent/FR1145385A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/26Devices for calling a subscriber
    • H04M1/30Devices which can set up and transmit only one digit at a time
    • H04M1/31Devices 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
    • H04M1/38Pulses transmitted by a movement variably limited by the setting of a stop

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
FR1145385D 1956-01-16 1956-01-20 Device for the emission of electric pulse trains Expired FR1145385A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB138056A GB791782A (en) 1956-01-16 1956-01-16 Improvements in and relating to devices for the transmission of series of electricalpulses

Publications (1)

Publication Number Publication Date
FR1145385A true FR1145385A (en) 1957-10-25

Family

ID=9721011

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1145385D Expired FR1145385A (en) 1956-01-16 1956-01-20 Device for the emission of electric pulse trains

Country Status (4)

Country Link
BE (1) BE544479A (en)
CH (1) CH343456A (en)
FR (1) FR1145385A (en)
GB (1) GB791782A (en)

Also Published As

Publication number Publication date
GB791782A (en) 1958-03-12
CH343456A (en) 1959-12-31
BE544479A (en)

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