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EP0717367A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Digitizer stylus apparatus and method

Assignee: SK Hynix America Inc
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Filing: 1995-12-13
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Granted: —
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Expires: 2015-12-13
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Abstract

Abstract The present invention provides for a stylus (6) for use with a digitizing tablet (3). The stylus is arranged to store information which identifies characteristics of a user's handwritting and these characteristics are transmitted to a computer (2) when the user interfaces with the computer (2), and can then be used by the computer to recognize the user's handwriting.

Inventors

  • 👤 Steven K. Skoog

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-04 06:11
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/03; G06F3/033; G06F3/0354; G06F3/03545; G06V; G06V40/00; G06V40/30

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 28 words
Stylus apparatus (6) for providing an electrical data signal and characterized by memory means for storing data which can be used to interpret indicia scribed by the stylus.
Claim 2
Dependent Claim 29 words
Apparatus as claimed in Claim 1, wherein said memory means is arranged for storing characteristics of a user's handwriting, and including means for transferring said characteristics to a receiver.
Claim 3
Dependent Claim 21 words
Apparatus as claimed in Claim 2, wherein said means for transferring said characteristics comprises telemetry means for transmitting the stored data.
Claim 4
Dependent Claim 20 words
Apparatus as claimed in any one of Claims 1 to 3, and arranged to receive power from an external source.
Claim 5
Dependent Claim 31 words
Scribed indicia verification apparatus characterized by means for parameterizing a signature, and means for loading the parameterized signature into stylus apparatus as claimed in any one of Claims 1 to 4.
Claim 6
Dependent Claim 34 words
Apparatus as claimed in Claim 5, and including a stationary system, for receiving the transmitted reference data, allowing the user to write a sample signature, and comparing the reference data with the sample signature.
Claim 7
Dependent Claim 25 words
Apparatus as claimed in any one of Claims 1 to 6 and including a data channel for reference data associated with the stylus apparatus (6).
Claim 8
Independent Claim 43 words
A method of loading data into stylus apparatus which produces a position signal for use by a digitizing tablet, characterized by the steps of generating digitized data based on an indicia scribed by the stylus, and loading the digitized data into the stylus.
Claim 9
Dependent Claim 14 words
A method as claimed in Claim 8, wherein said indicia comprises a user's signature.
Claim 10
Independent Claim 56 words
A method of verifying the signature of a user of a communication device, characterized by the steps of transmitting reference data, which describes the user's signature, to the communication device from a stylus held by the user; deriving sample data from a signature written by the user, and comparing the reference data with the sample data.

References Cited (Backward Citations)

US5349139A Cited
WO1994018663A1 Cited

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