FR1507790A - Remote controlled circuit by high frequency signals - Google Patents

Remote controlled circuit by high frequency signals

Info

Publication number
FR1507790A
FR1507790A FR90749A FR90749A FR1507790A FR 1507790 A FR1507790 A FR 1507790A FR 90749 A FR90749 A FR 90749A FR 90749 A FR90749 A FR 90749A FR 1507790 A FR1507790 A FR 1507790A
Authority
FR
France
Prior art keywords
high frequency
frequency signals
remote controlled
controlled circuit
circuit
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
FR90749A
Other languages
French (fr)
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Application granted granted Critical
Publication of FR1507790A publication Critical patent/FR1507790A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/06—Arrangements for transmitting signals characterised by the use of a wireless electrical link using capacity coupling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive loop type
FR90749A 1966-01-11 1967-01-11 Remote controlled circuit by high frequency signals Expired FR1507790A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0268/66A GB1163261A (en) 1966-01-11 1966-01-11 Remote Control of Mining Machines

Publications (1)

Publication Number Publication Date
FR1507790A true FR1507790A (en) 1967-12-29

Family

ID=9719015

Family Applications (1)

Application Number Title Priority Date Filing Date
FR90749A Expired FR1507790A (en) 1966-01-11 1967-01-11 Remote controlled circuit by high frequency signals

Country Status (4)

Country Link
US (1) US3407002A (en)
DE (1) DE1588092A1 (en)
FR (1) FR1507790A (en)
GB (1) GB1163261A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114109505A (en) * 2021-11-19 2022-03-01 中铁二十二局集团第四工程有限公司 Tunnel catastrophe prediction system

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3826535A (en) * 1973-02-12 1974-07-30 Taiheiyo Coal Mining Co Ltd Coal planer automatic reversing device
DE2607226C3 (en) * 1976-02-23 1979-09-13 Bergwerksverband Gmbh, 4300 Essen Switching device for contactless switching of coal plows guided on the face conveyor
HU197816B (en) * 1985-05-02 1989-05-29 Tatabanyai Banyak Vallalat Data transmission unit for detecting location of persons, objects in a given range
GB8605261D0 (en) * 1986-03-04 1986-04-09 Dawson G B Cutting machines
US4753484A (en) * 1986-10-24 1988-06-28 Stolar, Inc. Method for remote control of a coal shearer
DE4023457A1 (en) * 1990-07-24 1992-02-06 Texas Instruments Deutschland System for transmission of measured values - uses HF oscillations galvanically or capacitively couple to pipe network of building
FR2678403B1 (en) * 1991-06-25 1993-09-03 Alcatel Business Systems CONNECTION DEVICE FOR A DATA TRANSMISSION INSTALLATION.
CN103397909B (en) * 2013-07-24 2016-06-01 陕西航泰电气股份有限公司 A kind of mine track haulage supervision system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3206751A (en) * 1959-10-06 1965-09-14 David Q Reed Electronic location and guidance system
BE643985A (en) * 1963-02-19 1964-08-18

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114109505A (en) * 2021-11-19 2022-03-01 中铁二十二局集团第四工程有限公司 Tunnel catastrophe prediction system
CN114109505B (en) * 2021-11-19 2023-07-04 中铁二十二局集团第四工程有限公司 Tunnel catastrophe prediction system

Also Published As

Publication number Publication date
US3407002A (en) 1968-10-22
DE1588092A1 (en) 1970-07-09
GB1163261A (en) 1969-09-04

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