IMPROVEMENTS IN AND RELATING TO DISPLAY PRIVACY FILTERS
A filter (22) is used between a display screen (24) and the viewer. By controlling how image information to be displayed is supplied to pixels (26a, 26b) in the display screen (24) a switchable filtering effect is achieved, allowing simple control over the viewing angle properties of the display scr...
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| creator | HANNEY, MICHAEL JOHN LEWIS, RICHARD JOHN |
| description | A filter (22) is used between a display screen (24) and the viewer. By controlling how image information to be displayed is supplied to pixels (26a, 26b) in the display screen (24) a switchable filtering effect is achieved, allowing simple control over the viewing angle properties of the display screen (24). The switchable privacy filtering effect is useful for example in ATM displays, where sensitive information is to be masked from "over-the-shoulder" onlookers.
Un filtre (22) est utilisé entre un écran d'affichage (24) et l'observateur. Par le contrôle de la façon dont les informations d'image à afficher sont fournies aux pixels (26a, 26b) de l'écran d'affichage (24), un effet de filtrage commutable est obtenu, cet effet permettant de contrôler simplement les propriétés de l'angle de visualisation de l'écran d'affichage (24). L'effet de filtrage de confidentialité commutable est utile par exemple dans des écrans de distributeurs automatiques où des informations sensibles doivent être cachées à des personnes qui peuvent regarder = par-dessus l'épaule = de l'utilisateur. |
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Un filtre (22) est utilisé entre un écran d'affichage (24) et l'observateur. Par le contrôle de la façon dont les informations d'image à afficher sont fournies aux pixels (26a, 26b) de l'écran d'affichage (24), un effet de filtrage commutable est obtenu, cet effet permettant de contrôler simplement les propriétés de l'angle de visualisation de l'écran d'affichage (24). L'effet de filtrage de confidentialité commutable est utile par exemple dans des écrans de distributeurs automatiques où des informations sensibles doivent être cachées à des personnes qui peuvent regarder = par-dessus l'épaule = de l'utilisateur.</description><language>eng ; fre</language><subject>DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ; FREQUENCY-CHANGING ; NON-LINEAR OPTICS ; OPTICAL ANALOGUE/DIGITAL CONVERTERS ; OPTICAL LOGIC ELEMENTS ; OPTICS ; PHYSICS ; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</subject><creationdate>2009</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=20090423&DB=EPODOC&CC=WO&NR=2009050505A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20090423&DB=EPODOC&CC=WO&NR=2009050505A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HANNEY, MICHAEL JOHN</creatorcontrib><creatorcontrib>LEWIS, RICHARD JOHN</creatorcontrib><title>IMPROVEMENTS IN AND RELATING TO DISPLAY PRIVACY FILTERS</title><description>A filter (22) is used between a display screen (24) and the viewer. By controlling how image information to be displayed is supplied to pixels (26a, 26b) in the display screen (24) a switchable filtering effect is achieved, allowing simple control over the viewing angle properties of the display screen (24). The switchable privacy filtering effect is useful for example in ATM displays, where sensitive information is to be masked from "over-the-shoulder" onlookers.
Un filtre (22) est utilisé entre un écran d'affichage (24) et l'observateur. Par le contrôle de la façon dont les informations d'image à afficher sont fournies aux pixels (26a, 26b) de l'écran d'affichage (24), un effet de filtrage commutable est obtenu, cet effet permettant de contrôler simplement les propriétés de l'angle de visualisation de l'écran d'affichage (24). L'effet de filtrage de confidentialité commutable est utile par exemple dans des écrans de distributeurs automatiques où des informations sensibles doivent être cachées à des personnes qui peuvent regarder = par-dessus l'épaule = de l'utilisateur.</description><subject>DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING</subject><subject>FREQUENCY-CHANGING</subject><subject>NON-LINEAR OPTICS</subject><subject>OPTICAL ANALOGUE/DIGITAL CONVERTERS</subject><subject>OPTICAL LOGIC ELEMENTS</subject><subject>OPTICS</subject><subject>PHYSICS</subject><subject>TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2009</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDD39A0I8g9z9XX1CwlW8PRTcPRzUQhy9XEM8fRzVwjxV3DxDA7wcYxUCAjyDHN0jlRw8_QJcQ0K5mFgTUvMKU7lhdLcDMpuriHOHrqpBfnxqcUFicmpeakl8eH-RgYGlgamIOhoaEycKgDu9ik7</recordid><startdate>20090423</startdate><enddate>20090423</enddate><creator>HANNEY, MICHAEL JOHN</creator><creator>LEWIS, RICHARD JOHN</creator><scope>EVB</scope></search><sort><creationdate>20090423</creationdate><title>IMPROVEMENTS IN AND RELATING TO DISPLAY PRIVACY FILTERS</title><author>HANNEY, MICHAEL JOHN ; LEWIS, RICHARD JOHN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_WO2009050505A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2009</creationdate><topic>DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING</topic><topic>FREQUENCY-CHANGING</topic><topic>NON-LINEAR OPTICS</topic><topic>OPTICAL ANALOGUE/DIGITAL CONVERTERS</topic><topic>OPTICAL LOGIC ELEMENTS</topic><topic>OPTICS</topic><topic>PHYSICS</topic><topic>TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</topic><toplevel>online_resources</toplevel><creatorcontrib>HANNEY, MICHAEL JOHN</creatorcontrib><creatorcontrib>LEWIS, RICHARD JOHN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HANNEY, MICHAEL JOHN</au><au>LEWIS, RICHARD JOHN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>IMPROVEMENTS IN AND RELATING TO DISPLAY PRIVACY FILTERS</title><date>2009-04-23</date><risdate>2009</risdate><abstract>A filter (22) is used between a display screen (24) and the viewer. By controlling how image information to be displayed is supplied to pixels (26a, 26b) in the display screen (24) a switchable filtering effect is achieved, allowing simple control over the viewing angle properties of the display screen (24). The switchable privacy filtering effect is useful for example in ATM displays, where sensitive information is to be masked from "over-the-shoulder" onlookers.
Un filtre (22) est utilisé entre un écran d'affichage (24) et l'observateur. Par le contrôle de la façon dont les informations d'image à afficher sont fournies aux pixels (26a, 26b) de l'écran d'affichage (24), un effet de filtrage commutable est obtenu, cet effet permettant de contrôler simplement les propriétés de l'angle de visualisation de l'écran d'affichage (24). L'effet de filtrage de confidentialité commutable est utile par exemple dans des écrans de distributeurs automatiques où des informations sensibles doivent être cachées à des personnes qui peuvent regarder = par-dessus l'épaule = de l'utilisateur.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF |
| title | IMPROVEMENTS IN AND RELATING TO DISPLAY PRIVACY FILTERS |
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