GB2019700A - Method for transmitting information from above ground to a pit cage and vice versa - Google Patents

Method for transmitting information from above ground to a pit cage and vice versa

Info

Publication number
GB2019700A
GB2019700A GB7905088A GB7905088A GB2019700A GB 2019700 A GB2019700 A GB 2019700A GB 7905088 A GB7905088 A GB 7905088A GB 7905088 A GB7905088 A GB 7905088A GB 2019700 A GB2019700 A GB 2019700A
Authority
GB
United Kingdom
Prior art keywords
above ground
pit
pit cage
cage
vice versa
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.)
Granted
Application number
GB7905088A
Other versions
GB2019700B (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.)
FHF Funke and Huster Fernsig GmbH
Original Assignee
Funke and Huster Elektrizitaets GmbH
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 Funke and Huster Elektrizitaets GmbH filed Critical Funke and Huster Elektrizitaets GmbH
Publication of GB2019700A publication Critical patent/GB2019700A/en
Application granted granted Critical
Publication of GB2019700B publication Critical patent/GB2019700B/en
Expired legal-status Critical Current

Links

Classifications

    • H04B5/48—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/60—Systems for communication between relatively movable stations, e.g. for communication with lift
    • H04B5/266—
    • H04B5/79—

Abstract

For communication between a sending and receiving instrument above ground (5) and a like instrument (6) in a pit cage, the information is transmitted at such a high carrier frequency that the transmission circuit formed by the lifting cable earthed above ground and the earth capacity of the pit cage has a sufficiently low ohmic resistance to ensure that the receiving instrument always receives the information. Transmission is at a carrier frequency, at which the inductance of the lifting cable and the earth capacity of the pit cage form a series resonance circuit, or substantially lower than the quotient of the velocity of light divided by twice the depth of the shaft. <IMAGE>
GB7905088A 1978-04-25 1979-02-13 Method for transmitting information from above ground to apit cage and vice versa Expired GB2019700B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2818004A DE2818004C2 (en) 1978-04-25 1978-04-25 Method for transmitting messages from above ground to a hoist cage and vice versa and arrangement for carrying out the method

Publications (2)

Publication Number Publication Date
GB2019700A true GB2019700A (en) 1979-10-31
GB2019700B GB2019700B (en) 1982-08-18

Family

ID=6037920

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7905088A Expired GB2019700B (en) 1978-04-25 1979-02-13 Method for transmitting information from above ground to apit cage and vice versa

Country Status (4)

Country Link
BE (1) BE874015A (en)
DE (1) DE2818004C2 (en)
FR (1) FR2424672A1 (en)
GB (1) GB2019700B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126845A (en) * 1982-07-27 1984-03-28 Arf Products Radio communication systems for underground mines
US8395878B2 (en) 2006-04-28 2013-03-12 Orica Explosives Technology Pty Ltd Methods of controlling components of blasting apparatuses, blasting apparatuses, and components thereof

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2460571A1 (en) * 1979-06-29 1981-01-23 Chancrogne Bernard Emergency telephone system for lift - has HF transmitter receiver coupled to central surveillance post using twin cable lift alarm circuit
US4864293A (en) * 1988-04-29 1989-09-05 Flowmole Corporation Inground boring technique including real time transducer
DE19920873B4 (en) * 1998-11-11 2006-02-09 Lackmann Phymetric Gmbh Device for a linearly movable device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE271981C (en) * 1911-08-29
US1375675A (en) * 1917-02-05 1921-04-26 Western Electric Co Signaling method and system
DE1062751B (en) * 1958-03-19 1959-08-06 Siemens Ag Device for the electrical transmission of messages, preferably for telephony, between the conveyor basket and stationary station, e.g. B. Conveyor machine room
GB955616A (en) * 1961-08-16 1964-04-15 Ace Machinery Ltd Improved means for communicating between the cage of a lift and its tower or shaft
DE1949420A1 (en) * 1969-09-30 1971-04-08 Standard Elektrik Lorenz Ag Circuit arrangement to increase the transmission quality in rope transmitters in conveyor systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126845A (en) * 1982-07-27 1984-03-28 Arf Products Radio communication systems for underground mines
US8395878B2 (en) 2006-04-28 2013-03-12 Orica Explosives Technology Pty Ltd Methods of controlling components of blasting apparatuses, blasting apparatuses, and components thereof

Also Published As

Publication number Publication date
DE2818004B1 (en) 1979-03-22
GB2019700B (en) 1982-08-18
FR2424672A1 (en) 1979-11-23
DE2818004C2 (en) 1979-10-31
BE874015A (en) 1979-05-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee