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1. WO2006123895 - KEYPAD, KEYPAD ASSEMBLY AND PORTABLE TERMINAL

Publication Number WO/2006/123895
Publication Date 23.11.2006
International Application No. PCT/KR2006/001842
International Filing Date 17.05.2006
IPC
H01H 13/70 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
13Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
70having a plurality of operating members associated with different sets of contacts, e.g. keyboard
CPC
H01H 13/83
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
13Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
70having a plurality of operating members associated with different sets of contacts, e.g. keyboard
83characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
H01H 2209/074
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
2209Layers
068Properties of the membrane
074elastomeric
H01H 2209/082
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
2209Layers
068Properties of the membrane
082transparent
H01H 2215/01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
2215Tactile feedback
004Collapsible dome or bubble
01Part of spacer
H01H 2219/044
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
2219Legends
036Light emitting elements
044Edge lighting of layer
H01H 2219/056
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
2219Legends
054Optical elements
056Diffuser; Uneven surface
Applicants
  • SAMSUNG ELECTRONICS CO., LTD. [KR]/[KR]
Inventors
  • LEE, Joo-Hoon
  • JUNG, Sun-Tae
  • KIM, Kyoung-Youm
  • CHO, Byung-Duck
  • JANG, Dong-Hoon
Agents
  • LEE, Keon-Joo
Priority Data
10-2005-004203519.05.2005KR
10-2005-006435115.07.2005KR
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) KEYPAD, KEYPAD ASSEMBLY AND PORTABLE TERMINAL
(FR) BLOC NUMERIQUE, ENSEMBLE DE BLOC NUMERIQUE ET TERMINAL PORTABLE
Abstract
(EN) A keypad includes a light guide panel, the interior of which light propagates through, a film positioned on the upper surface of the light guide panel and having at least one key button positioned on the upper surface thereof, and at least one reflective pattern fixedly positioned with respect to the light guide panel to reflect a part of the light, which propagates through the interior of the light guide panel, towards the key button.
(FR) La présente invention concerne un bloc numérique doté des éléments suivants : une plaque de guidage de la lumière, à l’intérieur de laquelle se propage la lumière ; un film placé sur la surface supérieure de la plaque de guidage de la lumière ; au moins une touché située sur la surface supérieure du film ; et au moins un motif réfléchissant, solidement positionné par rapport à la plaque de guidage de la lumière, afin de renvoyer une partie de la lumière qui se propage à l’intérieur de la plaque de guidage vers les touches du bloc numérique.
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