Information-processing apparatus equipped with a cordless pen

Details Information-processing apparatus equipped with a cordless pen Information-processing apparatus equipped with a cordless pen

1995-04-06

1997-06-03

Nguyen, Chanh

Computer graphics processing and selective visual display system

Display peripheral interface input device

Stylus

178 18, G09G 500

Patent

active

056359594

ABSTRACT:
An information-processing device equipped with a cordless pen includes a cordless pen used for input operation and a pen storing portion for storing the cordless pen and operates: to give an alarm with a buzzer, etc., when no pen input is made and when the cordless pen is not replaced in excess of a given period of time; or to give a warning with a buzzer or the like when a cabinet of the apparatus is closed without the pen stored in the pen storage portion; or to prevent the operation of an electric power switch by means of a locking lever when the pen is not stored in place.

REFERENCES:
patent: 4564078 (1986-01-01), Enokido et al.
patent: 4742478 (1988-05-01), Nigro, Jr. et al.
patent: 5053749 (1991-10-01), Weiss
patent: 5065604 (1991-11-01), Pattock
patent: 5166668 (1992-11-01), Aoyagi
patent: 5248030 (1993-09-01), Tarozzi

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