Electrostatic recording head
There is provided an electrostatic recording head capable of moderating variable density striations generated on a recording blank form. In an applied voltage regulating unit, a closed circuit is formed by connecting a regulator (42), a resistor (32), a diode (34) and a resistance (R1) and a transis...
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| creator | HORIKAWA, TAKASHI ITAGAKI, TETSUO KAUFFMAN, DENNIS |
| description | There is provided an electrostatic recording head capable of moderating variable density striations generated on a recording blank form. In an applied voltage regulating unit, a closed circuit is formed by connecting a regulator (42), a resistor (32), a diode (34) and a resistance (R1) and a transistor (T1) provided in a driving circuit (16 or 18) in series in one needle electrode (12). Here, a cathode side of the diode (34) is connected to the needle electrode (12), and another end of the regulator (42) is connected to the driving circuit (16 or 18). A regulated voltage determining means (44) determines the voltage to be applied to each needle electrode (12) in accordance with the picture image density detected by a picture image density detecting unit (46) and the humidity detected by a humidity sensor (48), and regulates a voltage value of a regulator (42) based on the determined voltage. Thus, the voltage applied to the needle electrode (12) can be regulated by applying an electric current to the circuit and dropping the voltage with resistance 32 and resistance R1. |
| format | Patent |
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In an applied voltage regulating unit, a closed circuit is formed by connecting a regulator (42), a resistor (32), a diode (34) and a resistance (R1) and a transistor (T1) provided in a driving circuit (16 or 18) in series in one needle electrode (12). Here, a cathode side of the diode (34) is connected to the needle electrode (12), and another end of the regulator (42) is connected to the driving circuit (16 or 18). A regulated voltage determining means (44) determines the voltage to be applied to each needle electrode (12) in accordance with the picture image density detected by a picture image density detecting unit (46) and the humidity detected by a humidity sensor (48), and regulates a voltage value of a regulator (42) based on the determined voltage. Thus, the voltage applied to the needle electrode (12) can be regulated by applying an electric current to the circuit and dropping the voltage with resistance 32 and resistance R1.</description><edition>6</edition><language>eng ; fre ; ger</language><subject>CALCULATING ; CINEMATOGRAPHY ; COMPUTING ; CORRECTION OF TYPOGRAPHICAL ERRORS ; COUNTING ; ELECTROGRAPHY ; ELECTROPHOTOGRAPHY ; HANDLING RECORD CARRIERS ; HOLOGRAPHY ; i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME ; LINING MACHINES ; MAGNETOGRAPHY ; PERFORMING OPERATIONS ; PHOTOGRAPHY ; PHYSICS ; PRESENTATION OF DATA ; PRINTING ; RECOGNITION OF DATA ; RECORD CARRIERS ; SELECTIVE PRINTING MECHANISMS ; STAMPS ; TRANSPORTING ; TYPEWRITERS</subject><creationdate>1997</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=19971112&DB=EPODOC&CC=EP&NR=0680827A3$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19971112&DB=EPODOC&CC=EP&NR=0680827A3$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HORIKAWA, TAKASHI</creatorcontrib><creatorcontrib>ITAGAKI, TETSUO</creatorcontrib><creatorcontrib>KAUFFMAN, DENNIS</creatorcontrib><title>Electrostatic recording head</title><description>There is provided an electrostatic recording head capable of moderating variable density striations generated on a recording blank form. In an applied voltage regulating unit, a closed circuit is formed by connecting a regulator (42), a resistor (32), a diode (34) and a resistance (R1) and a transistor (T1) provided in a driving circuit (16 or 18) in series in one needle electrode (12). Here, a cathode side of the diode (34) is connected to the needle electrode (12), and another end of the regulator (42) is connected to the driving circuit (16 or 18). A regulated voltage determining means (44) determines the voltage to be applied to each needle electrode (12) in accordance with the picture image density detected by a picture image density detecting unit (46) and the humidity detected by a humidity sensor (48), and regulates a voltage value of a regulator (42) based on the determined voltage. Thus, the voltage applied to the needle electrode (12) can be regulated by applying an electric current to the circuit and dropping the voltage with resistance 32 and resistance R1.</description><subject>CALCULATING</subject><subject>CINEMATOGRAPHY</subject><subject>COMPUTING</subject><subject>CORRECTION OF TYPOGRAPHICAL ERRORS</subject><subject>COUNTING</subject><subject>ELECTROGRAPHY</subject><subject>ELECTROPHOTOGRAPHY</subject><subject>HANDLING RECORD CARRIERS</subject><subject>HOLOGRAPHY</subject><subject>i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME</subject><subject>LINING MACHINES</subject><subject>MAGNETOGRAPHY</subject><subject>PERFORMING OPERATIONS</subject><subject>PHOTOGRAPHY</subject><subject>PHYSICS</subject><subject>PRESENTATION OF DATA</subject><subject>PRINTING</subject><subject>RECOGNITION OF DATA</subject><subject>RECORD CARRIERS</subject><subject>SELECTIVE PRINTING MECHANISMS</subject><subject>STAMPS</subject><subject>TRANSPORTING</subject><subject>TYPEWRITERS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1997</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJBxzUlNLinKLy5JLMlMVihKTc4vSsnMS1fISE1M4WFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8a4BBmYWBhZG5o7GxkQoAQBxMCOS</recordid><startdate>19971112</startdate><enddate>19971112</enddate><creator>HORIKAWA, TAKASHI</creator><creator>ITAGAKI, TETSUO</creator><creator>KAUFFMAN, DENNIS</creator><scope>EVB</scope></search><sort><creationdate>19971112</creationdate><title>Electrostatic recording head</title><author>HORIKAWA, TAKASHI ; ITAGAKI, TETSUO ; KAUFFMAN, DENNIS</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0680827A33</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>1997</creationdate><topic>CALCULATING</topic><topic>CINEMATOGRAPHY</topic><topic>COMPUTING</topic><topic>CORRECTION OF TYPOGRAPHICAL ERRORS</topic><topic>COUNTING</topic><topic>ELECTROGRAPHY</topic><topic>ELECTROPHOTOGRAPHY</topic><topic>HANDLING RECORD CARRIERS</topic><topic>HOLOGRAPHY</topic><topic>i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME</topic><topic>LINING MACHINES</topic><topic>MAGNETOGRAPHY</topic><topic>PERFORMING OPERATIONS</topic><topic>PHOTOGRAPHY</topic><topic>PHYSICS</topic><topic>PRESENTATION OF DATA</topic><topic>PRINTING</topic><topic>RECOGNITION OF DATA</topic><topic>RECORD CARRIERS</topic><topic>SELECTIVE PRINTING MECHANISMS</topic><topic>STAMPS</topic><topic>TRANSPORTING</topic><topic>TYPEWRITERS</topic><toplevel>online_resources</toplevel><creatorcontrib>HORIKAWA, TAKASHI</creatorcontrib><creatorcontrib>ITAGAKI, TETSUO</creatorcontrib><creatorcontrib>KAUFFMAN, DENNIS</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HORIKAWA, TAKASHI</au><au>ITAGAKI, TETSUO</au><au>KAUFFMAN, DENNIS</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Electrostatic recording head</title><date>1997-11-12</date><risdate>1997</risdate><abstract>There is provided an electrostatic recording head capable of moderating variable density striations generated on a recording blank form. In an applied voltage regulating unit, a closed circuit is formed by connecting a regulator (42), a resistor (32), a diode (34) and a resistance (R1) and a transistor (T1) provided in a driving circuit (16 or 18) in series in one needle electrode (12). Here, a cathode side of the diode (34) is connected to the needle electrode (12), and another end of the regulator (42) is connected to the driving circuit (16 or 18). A regulated voltage determining means (44) determines the voltage to be applied to each needle electrode (12) in accordance with the picture image density detected by a picture image density detecting unit (46) and the humidity detected by a humidity sensor (48), and regulates a voltage value of a regulator (42) based on the determined voltage. Thus, the voltage applied to the needle electrode (12) can be regulated by applying an electric current to the circuit and dropping the voltage with resistance 32 and resistance R1.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | CALCULATING CINEMATOGRAPHY COMPUTING CORRECTION OF TYPOGRAPHICAL ERRORS COUNTING ELECTROGRAPHY ELECTROPHOTOGRAPHY HANDLING RECORD CARRIERS HOLOGRAPHY i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES MAGNETOGRAPHY PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS PRESENTATION OF DATA PRINTING RECOGNITION OF DATA RECORD CARRIERS SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS |
| title | Electrostatic recording head |
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