FR741170A - - Google Patents

Info

Publication number
FR741170A
FR741170A FR741170DA FR741170A FR 741170 A FR741170 A FR 741170A FR 741170D A FR741170D A FR 741170DA FR 741170 A FR741170 A FR 741170A
Authority
FR
France
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)
Publication date
Application granted granted Critical
Publication of FR741170A publication Critical patent/FR741170A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of DC pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR741170D Expired FR741170A (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
FR741170A true FR741170A (cg-RX-API-DMAC7.html) 1933-02-08

Family

ID=1545744

Family Applications (1)

Application Number Title Priority Date Filing Date
FR741170D Expired FR741170A (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
FR (1) FR741170A (cg-RX-API-DMAC7.html)

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