Integrated keypad system

Telephonic communications – Supervisory or control line signaling – Substation originated

Reexamination Certificate

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Details

C341S022000, C341S023000, C345S168000, C345S169000, C345S173000, C345S175000

Reexamination Certificate

active

07020270

ABSTRACT:
A data entry system comprising a group of data symbols comprising at least one of alphabetical symbols, numeric symbols, and commands (128–136), divided into subgroups. Each subgroup is associated with at least a portion of the user's finger (102–120). The system also comprises a keypad (126) defining a plurality of keys, wherein each key contains at least one of the symbols. At least one finger recognition system (100) is configured to recognize the portion of the finger when it touches a key, and to select the subgroup symbols associated with that portion of the finger interacting with that key.

REFERENCES:
patent: 4531119 (1985-07-01), Nakayama et al.
patent: 4769845 (1988-09-01), Nakamura
patent: 5790103 (1998-08-01), Willner
patent: 5867149 (1999-02-01), Jaeger
patent: 5982302 (1999-11-01), Ure
patent: 6011554 (2000-01-01), King et al.
patent: 6295052 (2001-09-01), Kato et al.
patent: 6326952 (2001-12-01), Amro et al.
patent: 6445381 (2002-09-01), Chou
patent: 6587818 (2003-07-01), Kanevsky et al.

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