FR1415545A - Système de transmission d'informations - Google Patents

Système de transmission d'informations

Info

Publication number
FR1415545A
FR1415545A FR974374A FR974374A FR1415545A FR 1415545 A FR1415545 A FR 1415545A FR 974374 A FR974374 A FR 974374A FR 974374 A FR974374 A FR 974374A FR 1415545 A FR1415545 A FR 1415545A
Authority
FR
France
Prior art keywords
transmission system
information transmission
information
transmission
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
FR974374A
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.)
Charbonnages de France CDF
Original Assignee
Charbonnages de France CDF
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 Charbonnages de France CDF filed Critical Charbonnages de France CDF
Priority to FR974374A priority Critical patent/FR1415545A/fr
Priority to GB20091/65A priority patent/GB1111401A/en
Priority to DE19651463040 priority patent/DE1463040A1/de
Application granted granted Critical
Publication of FR1415545A publication Critical patent/FR1415545A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/12—Control, e.g. using remote control
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/12—Control, e.g. using remote control
    • E21D23/14—Effecting automatic sequential movement of supports, e.g. one behind the other
    • E21D23/146—Transmission of signals and commands by cable
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H04Q9/08—Calling by using continuous ac
    • H04Q9/10—Calling by using continuous ac using single different frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H04Q9/08—Calling by using continuous ac
    • H04Q9/12—Calling by using continuous ac using combinations of frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Selective Calling Equipment (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
FR974374A 1964-05-13 1964-05-13 Système de transmission d'informations Expired FR1415545A (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR974374A FR1415545A (fr) 1964-05-13 1964-05-13 Système de transmission d'informations
GB20091/65A GB1111401A (en) 1964-05-13 1965-05-12 Improvements in or relating to information transmission devices
DE19651463040 DE1463040A1 (de) 1964-05-13 1965-05-13 Informationsuebertragungssystem zur Fernsteuerung und Fernueberwachung der Pfeiler einer wandernden Ausstuetzung eines Bergwerksarbeitsortes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR974374A FR1415545A (fr) 1964-05-13 1964-05-13 Système de transmission d'informations

Publications (1)

Publication Number Publication Date
FR1415545A true FR1415545A (fr) 1965-10-29

Family

ID=8829956

Family Applications (1)

Application Number Title Priority Date Filing Date
FR974374A Expired FR1415545A (fr) 1964-05-13 1964-05-13 Système de transmission d'informations

Country Status (3)

Country Link
DE (1) DE1463040A1 (fr)
FR (1) FR1415545A (fr)
GB (1) GB1111401A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2192345A1 (fr) * 1972-07-07 1974-02-08 Thomson Csf
FR2336545A1 (fr) * 1976-12-13 1977-07-22 Gullick Dobson Ltd Dispositif de controle et de commande des soutenements marchants de toit de mine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2192345A1 (fr) * 1972-07-07 1974-02-08 Thomson Csf
FR2336545A1 (fr) * 1976-12-13 1977-07-22 Gullick Dobson Ltd Dispositif de controle et de commande des soutenements marchants de toit de mine

Also Published As

Publication number Publication date
GB1111401A (en) 1968-04-24
DE1463040A1 (de) 1968-11-14

Similar Documents

Publication Publication Date Title
FR1484585A (fr) Système de représentation visuelle d'information
FR1466593A (fr) Système d'affichage
FR1436343A (fr) Système de lecture d'informations
CH429511A (fr) Dispositif de transmission d'informations
CH420259A (fr) Système de transmission d'informations
FR1395396A (fr) Système de transmission sûre d'informations numériques
FR1443431A (fr) Système numérique de transmission d'information
FR1454430A (fr) Système de transmission d'informations de sécurité
CH456686A (fr) Dispositif de transmission d'informations
FR1322270A (fr) Système de transmission d'informations binaires
FR1415545A (fr) Système de transmission d'informations
BE759604A (fr) Dispositif de transmission d'informations
FR1493361A (fr) Système de transmission d'informations
FR1467400A (fr) Système de transmission d'informations
FR1483400A (fr) Système de transmission d'informations
FR1427295A (fr) Perfectionnements apportés aux systèmes de transmission d'informations
FR1454082A (fr) Système de sélection d'itinéraire
FR88402E (fr) Circuit de comparaison d'informations
FR1383685A (fr) Système d'information ou de commande
FR1433078A (fr) Dispositif de transmission d'informations
CH436045A (fr) Système indicateur d'information
FR1464928A (fr) Dispositif de transmission d'information en multiplex
FR1484722A (fr) Système de présentation d'informations brèves
FR1445819A (fr) Système de détection d'informations binaires
FR1458372A (fr) Système d'emmagasinage d'informations