Dobroski et al., 2007 - Google Patents
Control and monitoring via medium-frequency techniques and existing mine conductorsDobroski et al., 2007
View PDF- Document ID
- 16978493620788637509
- Author
- Dobroski H
- Stolarczyk L
- Publication year
- Publication venue
- IEEE transactions on industry applications
External Links
Snippet
Medium-frequency (MF) techniques have been successfully applied to the problem of radio voice communications in both coal and metal and nonmental mines. Long range is achieved by taking advantage of existing mine conductors that carry and propagate the signal over …
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive loop type
- H04B5/0018—Near-field transmission systems, e.g. inductive loop type using leaky or radiating cables, e.g. leaky coaxial cables or power lines for inductive transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
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