Telephonic communications – Supervisory or control line signaling – Substation originated
Reexamination Certificate
2006-03-28
2006-03-28
Tran, Sinh (Department: 2644)
Telephonic communications
Supervisory or control line signaling
Substation originated
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.
Briney III Walter F
Sofer & Haroun LLP
Tran Sinh
LandOfFree
Integrated keypad system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Integrated keypad system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Integrated keypad system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3538627