Electronic pen with retractable and replaceable cartridge
First Claim
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1. An electronic pen comprising:
- a user-replaceable cartridge having a nib at a first end and an opposite second end;
a force sensor for sensing a nib force transmitted axially through said cartridge from said nib;
a retraction mechanism comprising;
a barrel for receiving said second end of said cartridge, said barrel being adapted for seating said cartridge in either an extended position or a retracted position, said barrel being engaged with said force sensor; and
a first biasing means for biasing said cartridge towards said extended or retracted positions; and
a second biasing means for biasing said barrel towards engagement with said force sensor.
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Abstract
An electronic pen comprises a user-replaceable cartridge having a nib, a force sensor for sensing a nib force transmitted axially through the cartridge from the nib and a retraction mechanism for retracting the cartridge. The retraction mechanism comprises a barrel adapted for seating the cartridge in either an extended position or a retracted position, and a first biasing mechanism for biasing the cartridge towards the extended or retracted positions. A second biasing mechanism biases the barrel towards engagement with the force sensor.
47 Citations
16 Claims
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1. An electronic pen comprising:
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a user-replaceable cartridge having a nib at a first end and an opposite second end; a force sensor for sensing a nib force transmitted axially through said cartridge from said nib; a retraction mechanism comprising; a barrel for receiving said second end of said cartridge, said barrel being adapted for seating said cartridge in either an extended position or a retracted position, said barrel being engaged with said force sensor; and a first biasing means for biasing said cartridge towards said extended or retracted positions; and a second biasing means for biasing said barrel towards engagement with said force sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification