CONTROLLING A DRIFT ADVANCING MACHINE
In apparatus for controlling the position of a drift advancing machine having a longitudinal axis: two light beam sources or laser beam sources spaced longitudinally from the machine, the sources emitting beams which are parallel to each other and to the drift axis and which are in different vertica...
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| creator | BERNHARD DROSCHER ALFRED ZITZ |
| description | In apparatus for controlling the position of a drift advancing machine having a longitudinal axis: two light beam sources or laser beam sources spaced longitudinally from the machine, the sources emitting beams which are parallel to each other and to the drift axis and which are in different vertical planes extending longitudinally of the drift; and two beam receivers arranged on the machine, the receivers being in transversely spaced apart positions relative to the longitudinal axis of the machine, and the transverse distance between the receivers corresponding to the transverse distance between the two beams. |
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and two beam receivers arranged on the machine, the receivers being in transversely spaced apart positions relative to the longitudinal axis of the machine, and the transverse distance between the receivers corresponding to the transverse distance between the two beams.</description><language>eng</language><subject>EARTH DRILLING ; FIXED CONSTRUCTIONS ; GALLERIES ; GYROSCOPIC INSTRUMENTS ; LARGE UNDERGROUND CHAMBERS ; MEASURING ; MEASURING DISTANCES, LEVELS OR BEARINGS ; MINING ; MINING OR QUARRYING ; NAVIGATION ; PHOTOGRAMMETRY OR VIDEOGRAMMETRY ; PHYSICS ; SHAFTS ; SURVEYING ; TESTING ; TUNNELS</subject><creationdate>1980</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&date=19800918&DB=EPODOC&CC=AU&NR=5527380A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19800918&DB=EPODOC&CC=AU&NR=5527380A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BERNHARD DROSCHER</creatorcontrib><creatorcontrib>ALFRED ZITZ</creatorcontrib><title>CONTROLLING A DRIFT ADVANCING MACHINE</title><description>In apparatus for controlling the position of a drift advancing machine having a longitudinal axis: two light beam sources or laser beam sources spaced longitudinally from the machine, the sources emitting beams which are parallel to each other and to the drift axis and which are in different vertical planes extending longitudinally of the drift; and two beam receivers arranged on the machine, the receivers being in transversely spaced apart positions relative to the longitudinal axis of the machine, and the transverse distance between the receivers corresponding to the transverse distance between the two beams.</description><subject>EARTH DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>GALLERIES</subject><subject>GYROSCOPIC INSTRUMENTS</subject><subject>LARGE UNDERGROUND CHAMBERS</subject><subject>MEASURING</subject><subject>MEASURING DISTANCES, LEVELS OR BEARINGS</subject><subject>MINING</subject><subject>MINING OR QUARRYING</subject><subject>NAVIGATION</subject><subject>PHOTOGRAMMETRY OR VIDEOGRAMMETRY</subject><subject>PHYSICS</subject><subject>SHAFTS</subject><subject>SURVEYING</subject><subject>TESTING</subject><subject>TUNNELS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1980</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFB19vcLCfL38fH0c1dwVHAJ8nQLUXB0CXP0cwaJ-Do6e3j6ufIwsKYl5hSn8kJpbgZ5N9cQZw_d1IL8-NTigsTk1LzUknjHUFNTI3NjCwNHY8IqAAnKIlM</recordid><startdate>19800918</startdate><enddate>19800918</enddate><creator>BERNHARD DROSCHER</creator><creator>ALFRED ZITZ</creator><scope>EVB</scope></search><sort><creationdate>19800918</creationdate><title>CONTROLLING A DRIFT ADVANCING MACHINE</title><author>BERNHARD DROSCHER ; ALFRED ZITZ</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_AU5527380A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1980</creationdate><topic>EARTH DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>GALLERIES</topic><topic>GYROSCOPIC INSTRUMENTS</topic><topic>LARGE UNDERGROUND CHAMBERS</topic><topic>MEASURING</topic><topic>MEASURING DISTANCES, LEVELS OR BEARINGS</topic><topic>MINING</topic><topic>MINING OR QUARRYING</topic><topic>NAVIGATION</topic><topic>PHOTOGRAMMETRY OR VIDEOGRAMMETRY</topic><topic>PHYSICS</topic><topic>SHAFTS</topic><topic>SURVEYING</topic><topic>TESTING</topic><topic>TUNNELS</topic><toplevel>online_resources</toplevel><creatorcontrib>BERNHARD DROSCHER</creatorcontrib><creatorcontrib>ALFRED ZITZ</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BERNHARD DROSCHER</au><au>ALFRED ZITZ</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>CONTROLLING A DRIFT ADVANCING MACHINE</title><date>1980-09-18</date><risdate>1980</risdate><abstract>In apparatus for controlling the position of a drift advancing machine having a longitudinal axis: two light beam sources or laser beam sources spaced longitudinally from the machine, the sources emitting beams which are parallel to each other and to the drift axis and which are in different vertical planes extending longitudinally of the drift; and two beam receivers arranged on the machine, the receivers being in transversely spaced apart positions relative to the longitudinal axis of the machine, and the transverse distance between the receivers corresponding to the transverse distance between the two beams.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES GYROSCOPIC INSTRUMENTS LARGE UNDERGROUND CHAMBERS MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS MINING MINING OR QUARRYING NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SHAFTS SURVEYING TESTING TUNNELS |
| title | CONTROLLING A DRIFT ADVANCING MACHINE |
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