Title:
【考案の名称】信号発生ペン
Document Type and Number:
Japanese Patent JPH0631542
Kind Code:
Y2
Inventors:
Hiroshi Kobayashi
Kiyoshi Abe
Kiyoshi Abe
Application Number:
JP12582989U
Publication Date:
August 22, 1994
Filing Date:
October 27, 1989
Export Citation:
Assignee:
Pentel Co., Ltd.
International Classes:
G06F3/03; G06F3/041; G06K11/06; (IPC1-7): G06F3/03
Domestic Patent References:
| JP63236125A | ||||
| JP2272617A | ||||
| JP63188752A | ||||
| JP2149432A |
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