Title:
OPERATING DEVICE
Document Type and Number:
WIPO Patent Application WO/2005/062159
Kind Code:
A1
Abstract:
An operating device, comprising a casing (12) having a key array block (24). A guide projection (28) is formed on a specified side position around the key array block (24) so as to be projected from the casing (12). The guide projection (28) is used as a reference for detecting the positions of keys, and has a function to prevent erroneous operation. A blind-touch on the key array block can be easily performed.
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Inventors:
SAKIGAWARA MASAYUKI (JP)
Application Number:
PCT/JP2004/018045
Publication Date:
July 07, 2005
Filing Date:
December 03, 2004
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
SAKIGAWARA MASAYUKI (JP)
SAKIGAWARA MASAYUKI (JP)
International Classes:
G06F3/02; G06F1/16; G06F3/023; H01H9/16; H01H9/18; H01H13/70; H04M1/02; H04N5/222; H04N7/18; (IPC1-7): G06F3/02; G06F1/16; H01H9/16; H04M1/02
Foreign References:
| JP2003050659A | 2003-02-21 | |||
| JPH0636642A | 1994-02-10 | |||
| JP2004118665A | 2004-04-15 |
Attorney, Agent or Firm:
Ohno, Seiji (Kasumigaseki Building 36F 2-5, Kasumigaseki 3-chom, Chiyoda-ku Tokyo 36, JP)
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