FR739649A - Improvements to route levers - Google Patents

Improvements to route levers

Info

Publication number
FR739649A
FR739649A FR739649DA FR739649A FR 739649 A FR739649 A FR 739649A FR 739649D A FR739649D A FR 739649DA FR 739649 A FR739649 A FR 739649A
Authority
FR
France
Prior art keywords
levers
route
route levers
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
Theophile Ducousso
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 FR739649A publication Critical patent/FR739649A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/08—Demodulation of amplitude-modulated oscillations by means of non-linear two-pole elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L19/00—Arrangements for interlocking between points and signals by means of a single interlocking device, e.g. central control
    • B61L19/02—Interlocking devices having mechanical or fluid-pressure operation
    • B61L19/023—Interlocking devices having mechanical or fluid-pressure operation purely mechanical
FR739649D 1931-10-15 1931-10-15 Improvements to route levers Expired FR739649A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR739649T 1931-10-15

Publications (1)

Publication Number Publication Date
FR739649A true FR739649A (en) 1933-01-14

Family

ID=34043816

Family Applications (2)

Application Number Title Priority Date Filing Date
FR739649D Expired FR739649A (en) 1931-10-15 1931-10-15 Improvements to route levers
FR43031D Expired FR43031E (en) 1931-10-15 1932-10-14 Improvements to route levers

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR43031D Expired FR43031E (en) 1931-10-15 1932-10-14 Improvements to route levers

Country Status (1)

Country Link
FR (2) FR739649A (en)

Also Published As

Publication number Publication date
FR43031E (en) 1934-01-24

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