Mining low frequency wireless intercom

Mining low frequency wireless intercom

The utility model provides a mining low frequency wireless intercom, includes the casing, sets up the antenna outside the casing to and set up signal receiver and the signal emission device in the casing, signal receiver and signal emission device be by being located the battery powered of casing, t...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: LI CHUNFENG, TIAN ZHENQING, FENG XIANGSEN, LI GUOFENG, LI YONGJIE
Format: Patent
Sprache:chi ; eng
Schlagworte:
ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
container_end_page
container_issue
container_start_page
container_title
container_volume
creator LI CHUNFENG
TIAN ZHENQING
FENG XIANGSEN
LI GUOFENG
LI YONGJIE
description The utility model provides a mining low frequency wireless intercom, includes the casing, sets up the antenna outside the casing to and set up signal receiver and the signal emission device in the casing, signal receiver and signal emission device be by being located the battery powered of casing, the magnetic ring of antenna for taking the handle, the magnetic ring is formed by the magnetic materials combination of two circular arc types, the outside wound wire circle of magnetic materials, and every magnetic materials lower part all is provided with a handle, rotates through a round pin axlebetween two handles and connects. A mining low frequency wireless intercom, through the improvement to antenna and battery, use the antenna of wireless low -frequency electromagnetic induction type,can utilize metal in the pit to carry out range signal's far away transmission as the extension antenna, use the battery to supply power for the intercom, satisfy that the intercom is miniaturized, the operation requirement of
format Patent
fullrecord <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_CN207021985UU</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>CN207021985UU</sourcerecordid><originalsourceid>FETCH-epo_espacenet_CN207021985UU3</originalsourceid><addsrcrecordid>eNrjZFDzzczLzEtXyMkvV0grSi0sTc1LrlQozyxKzUktLlbIzCtJLUrOz-VhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfHOfkYG5gZGhpYWpqGhxkQpAgDnNCi6</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Mining low frequency wireless intercom</title><source>esp@cenet</source><creator>LI CHUNFENG ; TIAN ZHENQING ; FENG XIANGSEN ; LI GUOFENG ; LI YONGJIE</creator><creatorcontrib>LI CHUNFENG ; TIAN ZHENQING ; FENG XIANGSEN ; LI GUOFENG ; LI YONGJIE</creatorcontrib><description>The utility model provides a mining low frequency wireless intercom, includes the casing, sets up the antenna outside the casing to and set up signal receiver and the signal emission device in the casing, signal receiver and signal emission device be by being located the battery powered of casing, the magnetic ring of antenna for taking the handle, the magnetic ring is formed by the magnetic materials combination of two circular arc types, the outside wound wire circle of magnetic materials, and every magnetic materials lower part all is provided with a handle, rotates through a round pin axlebetween two handles and connects. A mining low frequency wireless intercom, through the improvement to antenna and battery, use the antenna of wireless low -frequency electromagnetic induction type,can utilize metal in the pit to carry out range signal's far away transmission as the extension antenna, use the battery to supply power for the intercom, satisfy that the intercom is miniaturized, the operation requirement of</description><language>chi ; eng</language><subject>ANTENNAS, i.e. RADIO AERIALS ; BASIC ELECTRIC ELEMENTS ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; TRANSMISSION</subject><creationdate>2018</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20180216&amp;DB=EPODOC&amp;CC=CN&amp;NR=207021985U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20180216&amp;DB=EPODOC&amp;CC=CN&amp;NR=207021985U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LI CHUNFENG</creatorcontrib><creatorcontrib>TIAN ZHENQING</creatorcontrib><creatorcontrib>FENG XIANGSEN</creatorcontrib><creatorcontrib>LI GUOFENG</creatorcontrib><creatorcontrib>LI YONGJIE</creatorcontrib><title>Mining low frequency wireless intercom</title><description>The utility model provides a mining low frequency wireless intercom, includes the casing, sets up the antenna outside the casing to and set up signal receiver and the signal emission device in the casing, signal receiver and signal emission device be by being located the battery powered of casing, the magnetic ring of antenna for taking the handle, the magnetic ring is formed by the magnetic materials combination of two circular arc types, the outside wound wire circle of magnetic materials, and every magnetic materials lower part all is provided with a handle, rotates through a round pin axlebetween two handles and connects. A mining low frequency wireless intercom, through the improvement to antenna and battery, use the antenna of wireless low -frequency electromagnetic induction type,can utilize metal in the pit to carry out range signal's far away transmission as the extension antenna, use the battery to supply power for the intercom, satisfy that the intercom is miniaturized, the operation requirement of</description><subject>ANTENNAS, i.e. RADIO AERIALS</subject><subject>BASIC ELECTRIC ELEMENTS</subject><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>TRANSMISSION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFDzzczLzEtXyMkvV0grSi0sTc1LrlQozyxKzUktLlbIzCtJLUrOz-VhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfHOfkYG5gZGhpYWpqGhxkQpAgDnNCi6</recordid><startdate>20180216</startdate><enddate>20180216</enddate><creator>LI CHUNFENG</creator><creator>TIAN ZHENQING</creator><creator>FENG XIANGSEN</creator><creator>LI GUOFENG</creator><creator>LI YONGJIE</creator><scope>EVB</scope></search><sort><creationdate>20180216</creationdate><title>Mining low frequency wireless intercom</title><author>LI CHUNFENG ; TIAN ZHENQING ; FENG XIANGSEN ; LI GUOFENG ; LI YONGJIE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN207021985UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2018</creationdate><topic>ANTENNAS, i.e. RADIO AERIALS</topic><topic>BASIC ELECTRIC ELEMENTS</topic><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>TRANSMISSION</topic><toplevel>online_resources</toplevel><creatorcontrib>LI CHUNFENG</creatorcontrib><creatorcontrib>TIAN ZHENQING</creatorcontrib><creatorcontrib>FENG XIANGSEN</creatorcontrib><creatorcontrib>LI GUOFENG</creatorcontrib><creatorcontrib>LI YONGJIE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LI CHUNFENG</au><au>TIAN ZHENQING</au><au>FENG XIANGSEN</au><au>LI GUOFENG</au><au>LI YONGJIE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Mining low frequency wireless intercom</title><date>2018-02-16</date><risdate>2018</risdate><abstract>The utility model provides a mining low frequency wireless intercom, includes the casing, sets up the antenna outside the casing to and set up signal receiver and the signal emission device in the casing, signal receiver and signal emission device be by being located the battery powered of casing, the magnetic ring of antenna for taking the handle, the magnetic ring is formed by the magnetic materials combination of two circular arc types, the outside wound wire circle of magnetic materials, and every magnetic materials lower part all is provided with a handle, rotates through a round pin axlebetween two handles and connects. A mining low frequency wireless intercom, through the improvement to antenna and battery, use the antenna of wireless low -frequency electromagnetic induction type,can utilize metal in the pit to carry out range signal's far away transmission as the extension antenna, use the battery to supply power for the intercom, satisfy that the intercom is miniaturized, the operation requirement of</abstract><oa>free_for_read</oa></addata></record>
fulltext fulltext_linktorsrc
identifier
ispartof
issn
language chi ; eng
recordid cdi_epo_espacenet_CN207021985UU
source esp@cenet
subjects ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
title Mining low frequency wireless intercom
url https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-02T11%3A21%3A06IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=LI%20CHUNFENG&rft.date=2018-02-16&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3ECN207021985UU%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true