FR976517A - Perfectionnements aux systèmes d'éclairage et de signalisation à commande par commutateur - Google Patents

Perfectionnements aux systèmes d'éclairage et de signalisation à commande par commutateur

Info

Publication number
FR976517A
FR976517A FR976517DA FR976517A FR 976517 A FR976517 A FR 976517A FR 976517D A FR976517D A FR 976517DA FR 976517 A FR976517 A FR 976517A
Authority
FR
France
Prior art keywords
switch
signaling systems
operated lighting
lighting
operated
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
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.)
Victor Products Wallsend Ltd
Victor Products Ltd
Original Assignee
Victor Products Wallsend Ltd
Victor Products Ltd
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 Victor Products Wallsend Ltd, Victor Products Ltd filed Critical Victor Products Wallsend Ltd
Application granted granted Critical
Publication of FR976517A publication Critical patent/FR976517A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/005—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for remote controlled apparatus; for lines connecting such apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B19/00—Mining-hoist operation
    • B66B19/06—Applications of signalling devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/18—Special adaptations of signalling or alarm devices
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
FR976517D 1947-12-24 1948-12-15 Perfectionnements aux systèmes d'éclairage et de signalisation à commande par commutateur Expired FR976517A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB34247/47A GB632909A (en) 1947-12-24 1947-12-24 Improvements relating to switch-operated electric lighting and signalling systems

Publications (1)

Publication Number Publication Date
FR976517A true FR976517A (fr) 1951-03-19

Family

ID=10363265

Family Applications (1)

Application Number Title Priority Date Filing Date
FR976517D Expired FR976517A (fr) 1947-12-24 1948-12-15 Perfectionnements aux systèmes d'éclairage et de signalisation à commande par commutateur

Country Status (4)

Country Link
BE (1) BE486389A (fr)
DE (1) DE820719C (fr)
FR (1) FR976517A (fr)
GB (1) GB632909A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967211C (de) * 1951-05-20 1957-11-07 Lehner Fernsprech Signal Schlagwettergeschuetzte Leuchte, insbesondere Strebleuchte
DE950266C (de) * 1952-07-27 1956-10-04 Elektro App Kom Ges Gothe & Co Signalschlatung einer Strebbeleuchtungsanlage

Also Published As

Publication number Publication date
BE486389A (fr) 1949-01-15
DE820719C (de) 1951-11-12
GB632909A (en) 1949-12-05

Similar Documents

Publication Publication Date Title
FR1047180A (fr) Systèmes électriques de signalisation et d'amplification
FR984212A (fr) Perfectionnements aux systèmes de signalisation par code
FR1030550A (fr) Perfectionnements aux systèmes électroniques de signalisation
FR985613A (fr) Système électrique de signalisation
FR976517A (fr) Perfectionnements aux systèmes d'éclairage et de signalisation à commande par commutateur
FR980088A (fr) Système de signalisation à fréquence vocale
FR65204E (fr) Systèmes de signalisation électrique
FR996510A (fr) Perfectionnements aux systèmes de signalisation
FR61244E (fr) Perfectionnements aux systèmes de signalisation à distance par signaux conventionnels
FR1044603A (fr) Systèmes électriques de signalisation
FR65568E (fr) Perfectionnements aux systèmes d'éclairage et de signalisation à commande par commutateur
FR941547A (fr) Perfectionnement aux systèmes électriques de signalisation
FR948715A (fr) Perfectionnements aux systèmes de signalisation radio-électriques dirigés
FR993388A (fr) Perfectionnements aux systèmes de signalisation par impulsions
FR1019258A (fr) Perfectionnements aux systèmes de signalisation à commande sonore
FR970488A (fr) Systèmes de signalisation
FR1019724A (fr) Perfectionnements aux systèmes de signalisation
FR945916A (fr) Système d'éclairage à tonalité variable
FR946386A (fr) Systèmes de signalisation électriques
FR953780A (fr) Systèmes électriques de signalisation
FR1019689A (fr) Perfectionnements aux systèmes de signalisation électriques
FR929395A (fr) Perfectionnements aux systèmes de signalisation
FR1010027A (fr) Perfectionnements aux systèmes de signalisation ou de transmission par impulsions
FR55114E (fr) Systèmes de signalisation
FR994438A (fr) Perfectionnements aux systèmes de signalisation électrique