Scanning device and scanning method of large-size projective-capacitance touch screen
The invention discloses a scanning device of a large-size projective-capacitance touch screen, which comprises a group of X-axis slave chips, a group of Y-axis slave chips and a master chip, wherein the master chip is connected to the X-axis slave chips and the Y-axis slave chips, and a synchronizin...
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| creator | CHEN JIANZHONG ZHAO ZHANG CHENGLONG CAI TIANJIN |
| description | The invention discloses a scanning device of a large-size projective-capacitance touch screen, which comprises a group of X-axis slave chips, a group of Y-axis slave chips and a master chip, wherein the master chip is connected to the X-axis slave chips and the Y-axis slave chips, and a synchronizing pin of the master chip is connected to synchronizing pins of the X-axis slave chips and the Y-axis slave chips; a group of interrupt pins of the master pin are respectively connected to interrupt pins of the X-axis slave chips and the Y-axis slave chips. The synchronizing pin of the master chip generates a falling edge synchronizing signal, and the synchronizing pins of the X-axis slave chips and the Y-axis slave chips receive the falling edge synchronizing signal to scan sensors connected with the slave chips so as to obtain scanning data; then the interrupt pins of the slave chips generate a low signal, the interrupt pins corresponding to the master chip receive the low signal, and the master chip is in data co |
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The synchronizing pin of the master chip generates a falling edge synchronizing signal, and the synchronizing pins of the X-axis slave chips and the Y-axis slave chips receive the falling edge synchronizing signal to scan sensors connected with the slave chips so as to obtain scanning data; then the interrupt pins of the slave chips generate a low signal, the interrupt pins corresponding to the master chip receive the low signal, and the master chip is in data co</description><language>chi ; eng</language><subject>BASIC ELECTRONIC CIRCUITRY ; CALCULATING ; CODE CONVERSION IN GENERAL ; CODING ; COMPUTING ; COUNTING ; DECODING ; ELECTRIC DIGITAL DATA PROCESSING ; ELECTRICITY ; PHYSICS</subject><creationdate>2012</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=20121031&DB=EPODOC&CC=CN&NR=102023769B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20121031&DB=EPODOC&CC=CN&NR=102023769B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHEN JIANZHONG</creatorcontrib><creatorcontrib>ZHAO</creatorcontrib><creatorcontrib>ZHANG CHENGLONG</creatorcontrib><creatorcontrib>CAI TIANJIN</creatorcontrib><title>Scanning device and scanning method of large-size projective-capacitance touch screen</title><description>The invention discloses a scanning device of a large-size projective-capacitance touch screen, which comprises a group of X-axis slave chips, a group of Y-axis slave chips and a master chip, wherein the master chip is connected to the X-axis slave chips and the Y-axis slave chips, and a synchronizing pin of the master chip is connected to synchronizing pins of the X-axis slave chips and the Y-axis slave chips; a group of interrupt pins of the master pin are respectively connected to interrupt pins of the X-axis slave chips and the Y-axis slave chips. The synchronizing pin of the master chip generates a falling edge synchronizing signal, and the synchronizing pins of the X-axis slave chips and the Y-axis slave chips receive the falling edge synchronizing signal to scan sensors connected with the slave chips so as to obtain scanning data; then the interrupt pins of the slave chips generate a low signal, the interrupt pins corresponding to the master chip receive the low signal, and the master chip is in data co</description><subject>BASIC ELECTRONIC CIRCUITRY</subject><subject>CALCULATING</subject><subject>CODE CONVERSION IN GENERAL</subject><subject>CODING</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>DECODING</subject><subject>ELECTRIC DIGITAL DATA PROCESSING</subject><subject>ELECTRICITY</subject><subject>PHYSICS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNy7EKwjAUheEsDqK-Q3AP1BaUri2Kk4s6l0ty2kbqTUhiB5_eDLo7Hfg531Lcr5qYLQ_SYLYaktjI-GtPpNEZ6Xo5URigon1D-uAe0MnOUJo8aZuIM0zupcdMA8Brsehpith8dyW2p-OtPSt41yFmBEbq2suuKIuyOuzrpqn-On0AS845xQ</recordid><startdate>20121031</startdate><enddate>20121031</enddate><creator>CHEN JIANZHONG</creator><creator>ZHAO</creator><creator>ZHANG CHENGLONG</creator><creator>CAI TIANJIN</creator><scope>EVB</scope></search><sort><creationdate>20121031</creationdate><title>Scanning device and scanning method of large-size projective-capacitance touch screen</title><author>CHEN JIANZHONG ; ZHAO ; ZHANG CHENGLONG ; CAI TIANJIN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN102023769BB3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2012</creationdate><topic>BASIC ELECTRONIC CIRCUITRY</topic><topic>CALCULATING</topic><topic>CODE CONVERSION IN GENERAL</topic><topic>CODING</topic><topic>COMPUTING</topic><topic>COUNTING</topic><topic>DECODING</topic><topic>ELECTRIC DIGITAL DATA PROCESSING</topic><topic>ELECTRICITY</topic><topic>PHYSICS</topic><toplevel>online_resources</toplevel><creatorcontrib>CHEN JIANZHONG</creatorcontrib><creatorcontrib>ZHAO</creatorcontrib><creatorcontrib>ZHANG CHENGLONG</creatorcontrib><creatorcontrib>CAI TIANJIN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CHEN JIANZHONG</au><au>ZHAO</au><au>ZHANG CHENGLONG</au><au>CAI TIANJIN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Scanning device and scanning method of large-size projective-capacitance touch screen</title><date>2012-10-31</date><risdate>2012</risdate><abstract>The invention discloses a scanning device of a large-size projective-capacitance touch screen, which comprises a group of X-axis slave chips, a group of Y-axis slave chips and a master chip, wherein the master chip is connected to the X-axis slave chips and the Y-axis slave chips, and a synchronizing pin of the master chip is connected to synchronizing pins of the X-axis slave chips and the Y-axis slave chips; a group of interrupt pins of the master pin are respectively connected to interrupt pins of the X-axis slave chips and the Y-axis slave chips. The synchronizing pin of the master chip generates a falling edge synchronizing signal, and the synchronizing pins of the X-axis slave chips and the Y-axis slave chips receive the falling edge synchronizing signal to scan sensors connected with the slave chips so as to obtain scanning data; then the interrupt pins of the slave chips generate a low signal, the interrupt pins corresponding to the master chip receive the low signal, and the master chip is in data co</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRONIC CIRCUITRY CALCULATING CODE CONVERSION IN GENERAL CODING COMPUTING COUNTING DECODING ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS |
| title | Scanning device and scanning method of large-size projective-capacitance touch screen |
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