Title:
COMMUNICATION TERMINAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2008/029738
Kind Code:
A1
Abstract:
A communication terminal device is provided with a case; a plurality of keys arranged
on the case, by permitting the keys to advance and retract to and from the case,
at positions where each finger of a user holding the case hits the keys; a key potential
generator for generating a potential depending on shifting of the key in accordance
with movement of the fingers of the operator; a coding circuit for converting
the generated potential into a transmission code signal; a decoding circuit
for converting the received code signal into a potential for shifting the key;
a key drive generator for shifting the key by the converted potential from the
decoding circuit; and a transmitter/receiver for transmitting and receiving
the coded signal.
Inventors:
YOKOTA, Kazuhiro (3-12-18 Kamiaoki,Kawaguchi-sh, Saitama 44, 3330844, JP)
Application Number:
JP2007/067034
Publication Date:
March 13, 2008
Filing Date:
August 31, 2007
Export Citation:
Assignee:
Japan Ecology Corporation (3-12-18, Kamiaoki Kawaguchi-sh, Saitama 44, 3330844, JP)
日本エコロジー有限会社 (〒44 埼玉県川口市上青木３－１２－１８ Saitama, 3330844, JP)
日本エコロジー有限会社 (〒44 埼玉県川口市上青木３－１２－１８ Saitama, 3330844, JP)
International Classes:
G09B21/00; G06F3/023; G09B21/04; G09B21/00; G06F3/023
Attorney, Agent or Firm:
SHIGA, Masatake et al. (1-9-2, Marunouchi Chiyoda-ku, Tokyo 20, 1006620, JP)
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