Apparatus for converting measurement signals into digital signals, the signals having been initiated in a piezo sensor by the impacts of a hydraulic percussion device
An apparatus for converting measurement signals into digital signals suitable for processing in a microprocessor (12), with the signals having been initiated in a piezo sensor (6) by accelerations acting on the sensor during the impacts of a percussion device (1), particularly a hydraulic hammer, an...
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| creator | HAGEMEISTER WILHELM DEIMEL THOMAS PROKOP HEINZ-JURGEN |
| description | An apparatus for converting measurement signals into digital signals suitable for processing in a microprocessor (12), with the signals having been initiated in a piezo sensor (6) by accelerations acting on the sensor during the impacts of a percussion device (1), particularly a hydraulic hammer, and being used to determine the number of work strokes that have been executed in the impact direction (arrow 3) of the percussion device (1). The conversion apparatus includes: a rectifier (8) that is connected to the output (6a) of the piezo sensor (6) and suppresses the negative component of the measurement signal; a peak-value detector (9) that is connected to the rectifier (8) and converts the remaining, positive component of the measurement signal into an envelope curve; a high-pass filter (10) that causes the envelope curves of consecutive measurement signals to be converted into intermediate signals whose amplitude respectively has a zero passage; and a comparator (11) that is disposed downstream of the high-pass filter (10) and whose output is connected to the digital input (12a) of the microprocessor (12), thereby effecting the conversion of the intermediate signals into digital signals having a rectangular amplitude response. |
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The conversion apparatus includes: a rectifier (8) that is connected to the output (6a) of the piezo sensor (6) and suppresses the negative component of the measurement signal; a peak-value detector (9) that is connected to the rectifier (8) and converts the remaining, positive component of the measurement signal into an envelope curve; a high-pass filter (10) that causes the envelope curves of consecutive measurement signals to be converted into intermediate signals whose amplitude respectively has a zero passage; and a comparator (11) that is disposed downstream of the high-pass filter (10) and whose output is connected to the digital input (12a) of the microprocessor (12), thereby effecting the conversion of the intermediate signals into digital signals having a rectangular amplitude response.</description><edition>7</edition><language>eng</language><subject>ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS ; BASIC ELECTRONIC CIRCUITRY ; CODE CONVERSION IN GENERAL ; CODING ; DECODING ; EARTH DRILLING ; ELECTRICITY ; FIXED CONSTRUCTIONS ; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT ; MEASURING ; MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK ; MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE ; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR ; MINING ; MINING OR QUARRYING ; PHYSICS ; TARIFF METERING APPARATUS ; TESTING</subject><creationdate>2003</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=20030102&DB=EPODOC&CC=US&NR=2003004603A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20030102&DB=EPODOC&CC=US&NR=2003004603A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HAGEMEISTER WILHELM</creatorcontrib><creatorcontrib>DEIMEL THOMAS</creatorcontrib><creatorcontrib>PROKOP HEINZ-JURGEN</creatorcontrib><title>Apparatus for converting measurement signals into digital signals, the signals having been initiated in a piezo sensor by the impacts of a hydraulic percussion device</title><description>An apparatus for converting measurement signals into digital signals suitable for processing in a microprocessor (12), with the signals having been initiated in a piezo sensor (6) by accelerations acting on the sensor during the impacts of a percussion device (1), particularly a hydraulic hammer, and being used to determine the number of work strokes that have been executed in the impact direction (arrow 3) of the percussion device (1). The conversion apparatus includes: a rectifier (8) that is connected to the output (6a) of the piezo sensor (6) and suppresses the negative component of the measurement signal; a peak-value detector (9) that is connected to the rectifier (8) and converts the remaining, positive component of the measurement signal into an envelope curve; a high-pass filter (10) that causes the envelope curves of consecutive measurement signals to be converted into intermediate signals whose amplitude respectively has a zero passage; and a comparator (11) that is disposed downstream of the high-pass filter (10) and whose output is connected to the digital input (12a) of the microprocessor (12), thereby effecting the conversion of the intermediate signals into digital signals having a rectangular amplitude response.</description><subject>ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS</subject><subject>BASIC ELECTRONIC CIRCUITRY</subject><subject>CODE CONVERSION IN GENERAL</subject><subject>CODING</subject><subject>DECODING</subject><subject>EARTH DRILLING</subject><subject>ELECTRICITY</subject><subject>FIXED CONSTRUCTIONS</subject><subject>INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT</subject><subject>MEASURING</subject><subject>MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK</subject><subject>MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE</subject><subject>MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR</subject><subject>MINING</subject><subject>MINING OR QUARRYING</subject><subject>PHYSICS</subject><subject>TARIFF METERING APPARATUS</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2003</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjcFKxEAQRHPxIOo_NHhVGI14X8Rl7-p56Z1UkoakZ5juBNYP8jsdZdezpyqKV1WXzdcmZy7si1GfCsWkK4qLDjSDbSmYoU4mg_JkJOqJOhnEeTqHd-Qj_oiR15_yAdBKiws7uuqIKQs-ExnU6tHh-FuTOXN0o9RXYDx2hZdJImWUuJhJUuqwSsR1c9HXedyc9Kq53b6-v-zukdMeVkeg8P3H22MIbQhPz6HdPLT_o74BKtdYqA</recordid><startdate>20030102</startdate><enddate>20030102</enddate><creator>HAGEMEISTER WILHELM</creator><creator>DEIMEL THOMAS</creator><creator>PROKOP HEINZ-JURGEN</creator><scope>EVB</scope></search><sort><creationdate>20030102</creationdate><title>Apparatus for converting measurement signals into digital signals, the signals having been initiated in a piezo sensor by the impacts of a hydraulic percussion device</title><author>HAGEMEISTER WILHELM ; DEIMEL THOMAS ; PROKOP HEINZ-JURGEN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2003004603A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2003</creationdate><topic>ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS</topic><topic>BASIC ELECTRONIC CIRCUITRY</topic><topic>CODE CONVERSION IN GENERAL</topic><topic>CODING</topic><topic>DECODING</topic><topic>EARTH DRILLING</topic><topic>ELECTRICITY</topic><topic>FIXED CONSTRUCTIONS</topic><topic>INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT</topic><topic>MEASURING</topic><topic>MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK</topic><topic>MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE</topic><topic>MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR</topic><topic>MINING</topic><topic>MINING OR QUARRYING</topic><topic>PHYSICS</topic><topic>TARIFF METERING APPARATUS</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>HAGEMEISTER WILHELM</creatorcontrib><creatorcontrib>DEIMEL THOMAS</creatorcontrib><creatorcontrib>PROKOP HEINZ-JURGEN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HAGEMEISTER WILHELM</au><au>DEIMEL THOMAS</au><au>PROKOP HEINZ-JURGEN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Apparatus for converting measurement signals into digital signals, the signals having been initiated in a piezo sensor by the impacts of a hydraulic percussion device</title><date>2003-01-02</date><risdate>2003</risdate><abstract>An apparatus for converting measurement signals into digital signals suitable for processing in a microprocessor (12), with the signals having been initiated in a piezo sensor (6) by accelerations acting on the sensor during the impacts of a percussion device (1), particularly a hydraulic hammer, and being used to determine the number of work strokes that have been executed in the impact direction (arrow 3) of the percussion device (1). The conversion apparatus includes: a rectifier (8) that is connected to the output (6a) of the piezo sensor (6) and suppresses the negative component of the measurement signal; a peak-value detector (9) that is connected to the rectifier (8) and converts the remaining, positive component of the measurement signal into an envelope curve; a high-pass filter (10) that causes the envelope curves of consecutive measurement signals to be converted into intermediate signals whose amplitude respectively has a zero passage; and a comparator (11) that is disposed downstream of the high-pass filter (10) and whose output is connected to the digital input (12a) of the microprocessor (12), thereby effecting the conversion of the intermediate signals into digital signals having a rectangular amplitude response.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS BASIC ELECTRONIC CIRCUITRY CODE CONVERSION IN GENERAL CODING DECODING EARTH DRILLING ELECTRICITY FIXED CONSTRUCTIONS INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR MINING MINING OR QUARRYING PHYSICS TARIFF METERING APPARATUS TESTING |
| title | Apparatus for converting measurement signals into digital signals, the signals having been initiated in a piezo sensor by the impacts of a hydraulic percussion device |
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