Computer graphics processing and selective visual display system – Display peripheral interface input device – Stylus
Reexamination Certificate
2007-07-03
2007-07-03
Liang, Regina (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Stylus
C178S019010
Reexamination Certificate
active
10141962
ABSTRACT:
An electronic pen has a body, a cap and an actuation device. The actuation device comprises a sensor arrangement for sensing presence or absence of the cap on the body. The actuation device is operable to activate the electronic pen in response to removal of the cap from the body or in response to placement of the cap on a portion separated from a front end portion of the body. The actuation device is further operable to deactivate the electronic pen in response to placement of said cap on said body. Methods for activating and deactivating an electronic pen are also described.
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“Electric Pen With a Retractable Writing Tip, Activating on/off Function”; Research Disclosure; Jul. 2000; RD435037; p. 1183.
Burström Stefan
Fåhraeus Christer
Lindgren Johan
Anoto IP LIC Handelsbolag
Birch & Stewart Kolasch & Birch, LLP
Liang Regina
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