FR447970A - Mandatory electrical control for interlocking devices - Google Patents

Mandatory electrical control for interlocking devices

Info

Publication number
FR447970A
FR447970A FR447970DA FR447970A FR 447970 A FR447970 A FR 447970A FR 447970D A FR447970D A FR 447970DA FR 447970 A FR447970 A FR 447970A
Authority
FR
France
Prior art keywords
electrical control
interlocking devices
mandatory
mandatory electrical
interlocking
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
Paul Lebeau
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 FR447970A publication Critical patent/FR447970A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L21/00—Station blocking between signal boxes in one yard
    • B61L21/04—Electrical locking and release of the route; Electrical repeat locks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR447970D 1912-06-22 1912-06-22 Mandatory electrical control for interlocking devices Expired FR447970A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR447970T 1912-06-22

Publications (1)

Publication Number Publication Date
FR447970A true FR447970A (en) 1913-01-20

Family

ID=1488622

Family Applications (1)

Application Number Title Priority Date Filing Date
FR447970D Expired FR447970A (en) 1912-06-22 1912-06-22 Mandatory electrical control for interlocking devices

Country Status (1)

Country Link
FR (1) FR447970A (en)

Similar Documents

Publication Publication Date Title
FR447970A (en) Mandatory electrical control for interlocking devices
FR427982A (en) Electric regulator for controlling various devices
FR461363A (en) Relays for remote electrical actions
FR17432E (en) Means applicable for the constitution of electrical regulation devices
FR439945A (en) Means applicable for the constitution of electrical regulation devices
FR446521A (en) Balance control device for electrical networks
FR457480A (en) Improvements in devices for the control of electrical circuits
FR474272A (en) Electric capstan
FR471481A (en) Electric clock movement
FR471395A (en) Separator-isolator for electrochemical devices
FR18308E (en) Push button switch for electrical installations
FR446216A (en) Rosette for electrical installation
FR466876A (en) Electric self-massager
FR443651A (en) Nacelle-seat-cuirass for aviation devices
FR463705A (en) Insulating bail for electricity
FR455813A (en) Switch or electrical switch
FR452562A (en) Improvements made to regulators of electrical devices especially for vulcanizers
FR438463A (en) Direction change mechanism for electric traction
FR16637E (en) Remote control for spotlights
FR437082A (en) Remote control for spotlights
FR455163A (en) Stabilizer for aviation devices
CH62960A (en) Automatic switch for electrical installations
FR475260A (en) Electric interlocking device
CH61073A (en) Automatic electric switch
FR472898A (en) Electrical contact for so-called "controller" operating devices