Title:
【発明の名称】キーパッド装置
Document Type and Number:
Japanese Patent JPH05505929
Kind Code:
A
Abstract:
A keypad apparatus for a radio telephone has the keypad circuit (200) inked onto the lightpipe (105), thereby, allowing freedom in designing the shape of the keypad (103) and reducing the amount of circuitry required on the main circuit board (109) contained within the housing (107) of the radiotelephone.
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Inventors:
Charlie, Michael El
Application Number:
JP50722792A
Publication Date:
August 26, 1993
Filing Date:
January 21, 1992
Export Citation:
Assignee:
MOTOROLA INCORPORATED
International Classes:
H01H13/70; G06F3/023; H01H13/702; H03M1/12; H03M11/22; H04M1/22; H04M1/23; H05K1/16; (IPC1-7): H04M1/23; H01H13/70; H05K1/16
Attorney, Agent or Firm:
Masanori Honjo (1 person outside)