PL239712A1 - Apparatus for remote carrier frequency controlling mining and loading machines with cylindical cutter heads - Google Patents

Apparatus for remote carrier frequency controlling mining and loading machines with cylindical cutter heads

Info

Publication number
PL239712A1
PL239712A1 PL23971282A PL23971282A PL239712A1 PL 239712 A1 PL239712 A1 PL 239712A1 PL 23971282 A PL23971282 A PL 23971282A PL 23971282 A PL23971282 A PL 23971282A PL 239712 A1 PL239712 A1 PL 239712A1
Authority
PL
Poland
Prior art keywords
cylindical
carrier frequency
cutter heads
frequency controlling
loading machines
Prior art date
Application number
PL23971282A
Other versions
PL140554B1 (en
Inventor
Istvan Horvath
Matyas Magdica
Geza Voros
Mate Csak
Karoly Abraham
Original Assignee
Oroszlanyi Szenbanyak
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 Oroszlanyi Szenbanyak filed Critical Oroszlanyi Szenbanyak
Publication of PL239712A1 publication Critical patent/PL239712A1/en
Publication of PL140554B1 publication Critical patent/PL140554B1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/24—Remote control specially adapted for machines for slitting or completely freeing the mineral
PL23971282A 1981-12-27 1982-12-23 Carrier frequency remote control apparatus in particular for a drum-type mechanical coal miner PL140554B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU394981A HU185998B (en) 1981-12-27 1981-12-27 Device for carrier frequency remote control of a cutter-loading machine with cutter roll in mine

Publications (2)

Publication Number Publication Date
PL239712A1 true PL239712A1 (en) 1984-01-02
PL140554B1 PL140554B1 (en) 1987-05-30

Family

ID=10966191

Family Applications (1)

Application Number Title Priority Date Filing Date
PL23971282A PL140554B1 (en) 1981-12-27 1982-12-23 Carrier frequency remote control apparatus in particular for a drum-type mechanical coal miner

Country Status (7)

Country Link
CS (1) CS248702B2 (en)
DE (1) DE3247559C2 (en)
FR (1) FR2519067B1 (en)
GB (1) GB2113436B (en)
HU (1) HU185998B (en)
PL (1) PL140554B1 (en)
SU (1) SU1498401A3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2567341B1 (en) * 1984-07-03 1986-12-26 Charbonnages De France METHOD AND EQUIPMENT FOR TRANSFERRING SIGNALS CONCERNING AN ELECTRIC MACHINE PROVIDED WITH A THREE-PHASE POWER SUPPLY CABLE
US4753484A (en) * 1986-10-24 1988-06-28 Stolar, Inc. Method for remote control of a coal shearer
DE4225534A1 (en) * 1992-08-01 1994-02-03 Rolf Gnauert Electric motor operating and monitoring circuit for underground mining equipment - uses amplitude shifting keying data to modulate energy supply line with motor control data
US8593266B2 (en) 1999-07-01 2013-11-26 Oilfield Equipment Development Center Limited Power line communication system
CN105626067B (en) * 2016-03-22 2018-09-18 辽宁工程技术大学 A kind of the frequency conversion development machine and its application method of fast changeable cutting body

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH127886A (en) * 1926-02-26 1928-09-17 Telefunken Gmbh Arrangement for high-frequency telephony on overhead lines, in particular on high-voltage overhead lines, by means of two carrier frequencies which can be exchanged between the transmitter and the receiver of each telephone station.
DE471977C (en) * 1926-11-13 1929-02-23 Kabelindustrie Akt Ges Arrangement for securing high-frequency voice traffic on a protective earthed high-voltage line
CH385967A (en) * 1961-01-12 1964-12-31 Landis & Gyr Ag Blocking circuit for audio frequencies in a central remote control system
DE2124870A1 (en) * 1971-05-19 1972-11-23 Schmid, Hans, Dr.-Ing., 8000 München Method for active coupling and / or passive short-circuiting of audio-frequency ripple control signal streams in high-voltage power supply networks
DE2557221C3 (en) * 1975-12-19 1978-11-16 Ruhrkohle Ag, 4300 Essen Device for controlling shearer loaders in mining
US4139735A (en) * 1977-01-07 1979-02-13 Bertrand Dorfman Carrier current communications system

Also Published As

Publication number Publication date
FR2519067B1 (en) 1985-11-29
GB2113436B (en) 1985-07-31
GB2113436A (en) 1983-08-03
HU185998B (en) 1985-04-28
SU1498401A3 (en) 1989-07-30
FR2519067A1 (en) 1983-07-01
DE3247559A1 (en) 1983-08-04
CS248702B2 (en) 1987-02-12
DE3247559C2 (en) 1986-12-04
PL140554B1 (en) 1987-05-30

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