GB1270870A - Installation for the remote-control of a machine, and more particularly of a coal-cutting machine - Google Patents

Installation for the remote-control of a machine, and more particularly of a coal-cutting machine

Info

Publication number
GB1270870A
GB1270870A GB4728169A GB4728169A GB1270870A GB 1270870 A GB1270870 A GB 1270870A GB 4728169 A GB4728169 A GB 4728169A GB 4728169 A GB4728169 A GB 4728169A GB 1270870 A GB1270870 A GB 1270870A
Authority
GB
United Kingdom
Prior art keywords
frequency
machine
frequencies
discrete
modulating
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
GB4728169A
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
Publication of GB1270870A publication Critical patent/GB1270870A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/12—Electric signal transmission systems in which the signal transmitted is frequency or phase of AC

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
GB4728169A 1968-09-25 1969-09-25 Installation for the remote-control of a machine, and more particularly of a coal-cutting machine Expired GB1270870A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR167523 1968-09-25

Publications (1)

Publication Number Publication Date
GB1270870A true GB1270870A (en) 1972-04-19

Family

ID=8654917

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4728169A Expired GB1270870A (en) 1968-09-25 1969-09-25 Installation for the remote-control of a machine, and more particularly of a coal-cutting machine

Country Status (3)

Country Link
DE (1) DE1948542A1 (enrdf_load_stackoverflow)
FR (1) FR1587748A (enrdf_load_stackoverflow)
GB (1) GB1270870A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2440282A1 (de) * 1973-08-23 1975-03-06 Sony Corp Informationssignal-uebertragungseinrichtung

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2516285C3 (de) * 1975-04-14 1982-04-15 Erwin Bernhard H. 8898 Schrobenhausen Butt Vorrichtung gegen männliche Impotenz
DE2844936C2 (de) * 1978-10-16 1983-05-26 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Fernsteuersender mit einem analog steuerbaren Oszillator
DE2941712A1 (de) * 1979-10-15 1981-04-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Fernsteuerschaltung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2440282A1 (de) * 1973-08-23 1975-03-06 Sony Corp Informationssignal-uebertragungseinrichtung

Also Published As

Publication number Publication date
FR1587748A (enrdf_load_stackoverflow) 1970-03-27
DE1948542A1 (de) 1970-06-18

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