FR477466A - Automatic selector - Google Patents

Automatic selector

Info

Publication number
FR477466A
FR477466A FR477466DA FR477466A FR 477466 A FR477466 A FR 477466A FR 477466D A FR477466D A FR 477466DA FR 477466 A FR477466 A FR 477466A
Authority
FR
France
Prior art keywords
automatic selector
selector
automatic
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
Charles Peter
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR477466A publication Critical patent/FR477466A/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)
FR477466D 1914-01-31 1915-01-28 Automatic selector Expired FR477466A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH477466X 1914-01-31

Publications (1)

Publication Number Publication Date
FR477466A true FR477466A (en) 1915-10-22

Family

ID=1515112

Family Applications (1)

Application Number Title Priority Date Filing Date
FR477466D Expired FR477466A (en) 1914-01-31 1915-01-28 Automatic selector

Country Status (1)

Country Link
FR (1) FR477466A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE954797C (en) * 1954-01-19 1956-12-20 Allg Telefon Fabrik G M B H Dialing and call facility for telecommunications systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE954797C (en) * 1954-01-19 1956-12-20 Allg Telefon Fabrik G M B H Dialing and call facility for telecommunications systems

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