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 placed thereon, light guide plates disposed between the pad portions, and reflection units disposed on the light guide plates to direct the light toward...
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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 placed thereon, light guide plates disposed between the pad portions, and reflection units disposed on the light guide plates to direct the light toward the key buttons; light sources 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; switches disposed below the pad portions under the key buttons for applying signal to the substrate; and a casing for enclosing the keypad. |
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light sources 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; switches disposed below the pad portions under the key buttons for applying signal to the substrate; and a casing for enclosing the keypad.</description><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; CALCULATING ; COMPUTING ; COUNTING ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRIC DIGITAL DATA PROCESSING ; ELECTRIC SWITCHES ; ELECTRICITY ; EMERGENCY PROTECTIVE DEVICES ; PHYSICS ; RELAYS ; SELECTORS ; 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&date=20070717&DB=EPODOC&CC=US&NR=7244899B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20070717&DB=EPODOC&CC=US&NR=7244899B2$$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 placed thereon, light guide plates disposed between the pad portions, and reflection units disposed on the light guide plates to direct the light toward the key buttons; light sources 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; switches disposed below the pad portions under the key buttons for applying signal to the substrate; and a casing for enclosing the keypad.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CALCULATING</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRIC DIGITAL DATA PROCESSING</subject><subject>ELECTRIC SWITCHES</subject><subject>ELECTRICITY</subject><subject>EMERGENCY PROTECTIVE DEVICES</subject><subject>PHYSICS</subject><subject>RELAYS</subject><subject>SELECTORS</subject><subject>TELEPHONIC COMMUNICATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2007</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFD1Tq0sSExRSCwuTs1NyqlUSMsvUijILypJTMpJVShJLcrNzEvM4WFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8aHB5kYmJhaWlk5GxkQoAQAGuScu</recordid><startdate>20070717</startdate><enddate>20070717</enddate><creator>PARK MUN-KUE</creator><creator>JUNG SUN-TAE</creator><creator>JANG DONG-HOON</creator><scope>EVB</scope></search><sort><creationdate>20070717</creationdate><title>Keypad assembly for portable terminal</title><author>PARK MUN-KUE ; 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light sources 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; switches disposed below the pad portions under the key buttons for applying signal to the substrate; and a casing for enclosing the keypad.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BASIC ELECTRIC ELEMENTS CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES PHYSICS RELAYS SELECTORS TELEPHONIC COMMUNICATION |
| title | Keypad assembly for portable terminal |
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