Title:
多層式ソリッド・ステート・キーボード
Document Type and Number:
Japanese Patent JP2006524400
Kind Code:
A
Abstract:
A keypad includes a substrate (20) and one or more layers of decorative material (22, 24, 26, 28) on the substrate. Transparent and/or conventional conductive materials (30, 40) are disposed on the decorative material. Electrical circuit components are soldered to the conductive layers.
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Inventors:
Schaefer, William, David
Caldwell, David, W.
Caldwell, David, W.
Application Number:
JP2006513217A
Publication Date:
October 26, 2006
Filing Date:
April 22, 2004
Export Citation:
Assignee:
Touch Sensor Technologies, LLC
International Classes:
G06F3/02; H01H13/702; H01H13/00; H01H13/703
Domestic Patent References:
| JPH05114329A | 1993-05-07 | |||
| JPH06242875A | 1994-09-02 | |||
| JPS59119429U | 1984-08-11 | |||
| JP2001503205A | 2001-03-06 |
Attorney, Agent or Firm:
Hideto Asamura
Hajime Asamura
Kuniaki Shimizu
Hayashi Zouzo
Hajime Asamura
Kuniaki Shimizu
Hayashi Zouzo