FR19800E - Transmetteur d'impulsions électriques - Google Patents

Transmetteur d'impulsions électriques

Info

Publication number
FR19800E
FR19800E FR19800A FR19800DA FR19800E FR 19800 E FR19800 E FR 19800E FR 19800 A FR19800 A FR 19800A FR 19800D A FR19800D A FR 19800DA FR 19800 E FR19800 E FR 19800E
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
FR19800A
Other languages
English (en)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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.)
Publication date
Application granted granted Critical
Publication of FR19800E publication Critical patent/FR19800E/fr
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)
FR19800A 1913-07-29 Transmetteur d'impulsions électriques Expired FR19800E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US472460TA 1913-07-29 1913-07-29

Publications (1)

Publication Number Publication Date
FR19800E true FR19800E (fr) 1915-08-17

Family

ID=8660091

Family Applications (2)

Application Number Title Priority Date Filing Date
FR19800A Expired FR19800E (fr) 1913-07-29 Transmetteur d'impulsions électriques
FR472460A Expired FR472460A (fr) 1913-07-29 1914-04-06 Transmetteur d'impulsions électriques

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR472460A Expired FR472460A (fr) 1913-07-29 1914-04-06 Transmetteur d'impulsions électriques

Country Status (1)

Country Link
FR (2) FR472460A (fr)

Also Published As

Publication number Publication date
FR472460A (fr) 1914-12-08

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