Keypad assembly for portable terminal

Keypad assembly for portable terminal

A keypad assembly for a portable terminal according to the present invention includes: a keypad having pad portions with a plurality of key buttons (K) placed thereon, light guide plates disposed between the pad portions (220), and reflection units disposed on the light guide plates to direct the li...

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Hauptverfasser: PARK, MUN-KUE, JUNG, SUN-TAE, JANG, DONG-HOON
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TELEPHONIC COMMUNICATION
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creator PARK, MUN-KUE
JUNG, SUN-TAE
JANG, DONG-HOON
description A keypad assembly for a portable terminal according to the present invention includes: a keypad having pad portions with a plurality of key buttons (K) placed thereon, light guide plates disposed between the pad portions (220), and reflection units disposed on the light guide plates to direct the light toward the key buttons (260); light sources (230) for providing the light toward the reflection units; a plurality of spacers disposed below the light guide plates for separating the light guide plate from a substrate and for supporting the light guide plates (B); switches disposed below the pad portions under the key buttons for applying signal to the substrate (240); and a casing for enclosing the keypad.
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light sources (230) for providing the light toward the reflection units; a plurality of spacers disposed below the light guide plates for separating the light guide plate from a substrate and for supporting the light guide plates (B); switches disposed below the pad portions under the key buttons for applying signal to the substrate (240); and a casing for enclosing the keypad.</description><language>eng ; fre ; ger</language><subject>ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; TELEPHONIC COMMUNICATION</subject><creationdate>2007</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&amp;date=20070103&amp;DB=EPODOC&amp;CC=EP&amp;NR=1739934A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20070103&amp;DB=EPODOC&amp;CC=EP&amp;NR=1739934A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PARK, MUN-KUE</creatorcontrib><creatorcontrib>JUNG, SUN-TAE</creatorcontrib><creatorcontrib>JANG, DONG-HOON</creatorcontrib><title>Keypad assembly for portable terminal</title><description>A keypad assembly for a portable terminal according to the present invention includes: a keypad having pad portions with a plurality of key buttons (K) placed thereon, light guide plates disposed between the pad portions (220), and reflection units disposed on the light guide plates to direct the light toward the key buttons (260); light sources (230) for providing the light toward the reflection units; a plurality of spacers disposed below the light guide plates for separating the light guide plate from a substrate and for supporting the light guide plates (B); switches disposed below the pad portions under the key buttons for applying signal to the substrate (240); and a casing for enclosing the keypad.</description><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>TELEPHONIC COMMUNICATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2007</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFD1Tq0sSExRSCwuTs1NyqlUSMsvUijILypJTMpJVShJLcrNzEvM4WFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8a4BhubGlpbGJo6GxkQoAQAA2Sb2</recordid><startdate>20070103</startdate><enddate>20070103</enddate><creator>PARK, MUN-KUE</creator><creator>JUNG, SUN-TAE</creator><creator>JANG, DONG-HOON</creator><scope>EVB</scope></search><sort><creationdate>20070103</creationdate><title>Keypad assembly for portable terminal</title><author>PARK, MUN-KUE ; JUNG, SUN-TAE ; JANG, DONG-HOON</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP1739934A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2007</creationdate><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>TELEPHONIC COMMUNICATION</topic><toplevel>online_resources</toplevel><creatorcontrib>PARK, MUN-KUE</creatorcontrib><creatorcontrib>JUNG, SUN-TAE</creatorcontrib><creatorcontrib>JANG, DONG-HOON</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PARK, MUN-KUE</au><au>JUNG, SUN-TAE</au><au>JANG, DONG-HOON</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Keypad assembly for portable terminal</title><date>2007-01-03</date><risdate>2007</risdate><abstract>A keypad assembly for a portable terminal according to the present invention includes: a keypad having pad portions with a plurality of key buttons (K) placed thereon, light guide plates disposed between the pad portions (220), and reflection units disposed on the light guide plates to direct the light toward the key buttons (260); light sources (230) for providing the light toward the reflection units; a plurality of spacers disposed below the light guide plates for separating the light guide plate from a substrate and for supporting the light guide plates (B); switches disposed below the pad portions under the key buttons for applying signal to the substrate (240); and a casing for enclosing the keypad.</abstract><oa>free_for_read</oa></addata></record>
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TELEPHONIC COMMUNICATION
title Keypad assembly for portable terminal
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