초록 ▼

A signature device for capture or capture and verification includes a variety of advantageous features including, for example, an ability to work in conjunction with an IC card; an improved angle correction technique; an improved technique for adapting to biometric signature changes; and many other

A signature device for capture or capture and verification includes a variety of advantageous features including, for example, an ability to work in conjunction with an IC card; an improved angle correction technique; an improved technique for adapting to biometric signature changes; and many other new improvements.

대표청구항 ▼

[ What is claimed is:] [33.] In a signature verification system of the type including a housing having a writing surface and an integrated portable IC card coupler, a method of verifying a signature comprising:(a) accessing at least one digital electronic storage element within or coupled to said ho

[ What is claimed is:] [33.] In a signature verification system of the type including a housing having a writing surface and an integrated portable IC card coupler, a method of verifying a signature comprising:(a) accessing at least one digital electronic storage element within or coupled to said housing;(b) reading at least one signature template stored in digital form in the electronic storage element;(c) acquiring a signature on the writing surface using a writing stylus;(d) during step (c), detecting position coordinates of said writing stylus relative to the writing surface, including collecting signature signing data during at least some times when the stylus is not in contact with the writing surface;(e) automatically verifying said signature made by step (c) based on the detected position coordinates and said signature template read from said electronic storage element;(f) reading digital data representing a visual signature image stored in the electronic storage element in digital form in addition to said template; and(g) rendering, for purposes of visual comparison, an image of the cardholder's signature based on said visual signature image representing digital data.