Touch input pen

Details Touch input pen Touch input pen

1996-06-14

1998-12-15

Shankar, Vijay

Telegraphy

Systems

Position coordinate determination for writing

178 1904, 178 1905, 345179, 345184, G08C 2100, G09G 500

Patent

active

058500596

ABSTRACT:
Disclosed is a touch input pen which is capable of changing its length and diameter when it is used and stored. Its outer diameter can be increased for assuring easy holding when inputting characters and graphics. The touch input pen comprises a pen-body portion having a through hole extending along the axial line thereof and having a tapered front end, a knob portion having a knob with a pen-sliding shaft 8 slidably inserted into the through hole in the pen-body portion, a grip portion composed of a plurality of chuck-like elements slidable on the tapered portion of the pen-body portion and a pen tip. A head portion secured to a front end of the pen-body portion and the pen-sliding portion can be moved to cover a head portion in a head holding portion by manipulating a knob.

REFERENCES:
patent: 3652173 (1972-03-01), Miller
patent: 4115015 (1978-09-01), Torii
patent: 4266881 (1981-05-01), Rubens
patent: 4667182 (1987-05-01), Murphy
patent: 5026190 (1991-06-01), Longarzo
patent: 5131775 (1992-07-01), Chen

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