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Patent Searching and Data


Title:
KEY SHEET, KEY UNIT HAVING IT, AND KEY SHEET MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2008/018416
Kind Code:
A1
Abstract:
A key sheet (8) comprises pad parts (10, 10, ···) provided to a key base (6) made of a transparent or translucent resin so that the colors of illuminating lights of the key tops provided to different areas are different from one another and the key tops (2, 2, ···) on the respective pad parts (10, 10, ···). The key base (6) is divided into areas (41, 42, 43) including one or more pad parts (10, 10, ···). Light-blocking portions (18) are disposed at the boundaries between the adjacent areas (4, 4) of the key base (6). At least one illuminating-light emitting means installing portion (14) is so provided as to correspond to each of the areas (41, 42, 43). In each of the areas (41, 42, 43), reflective means (20) for reflecting a part or the whole of the light from the illuminating-light emitting means toward the key top formation side is disposed.

Inventors:
YOSHIDA, Minoru (())
Application Number:
JP2007/065381
Publication Date:
February 14, 2008
Filing Date:
August 06, 2007
Export Citation:
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Assignee:
SUNARROW LIMITED (6-1 Hacchobori 2-chome, Chuo-ku Tokyo, 32, 1040032, JP)
サンアロー株式会社 (〒32 東京都中央区八丁堀2丁目6番1号 Tokyo, 1040032, JP)
International Classes:
H01H13/02; H01H11/00; H01H13/14; H01H13/702
Attorney, Agent or Firm:
TSUKUNI, Hajime (SVAX TS Bldg, 22-12 Toranomon 1-chome, Minato-k, Tokyo 01, 1050001, JP)
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