Data entry system
First Claim
1. A data entry system, comprising:
- an ergonomic base adapted to be graspable by two hands of a user, said ergonomic base having an upper surface and a side surface;
upper surface control means disposed on said ergonomic base upper surface and adapted for operation by either of two of a user'"'"'s digits to generate a first set of electrical signals, said first set of electrical signals representing a first portion of alphabetic characters of an alphabet; and
,side surface control means disposed on said ergonomic base side surface and adapted for operation by at least another of a user'"'"'s digits on either of the user'"'"'s two hands to generate a second set of electrical signals when operated independently of said upper surface control means, said second set of electrical signals representing a second portion of alphabetic characters of the alphabet, said first and second portions of alphabetic characters together representing at least a majority of alphabetic characters of the alphabet, said side surface control means generating a third set of electrical signals when operated in combination with said upper surface control means.
1 Assignment
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Accused Products
Abstract
A data entry system (100, 100'"'"') has an ergonomic base (102, 102'"'"') including upper surface controls (104, 104'"'"') which generate a first set of electrical signals, and side surface controls (106, 106'"'"') which generate a second set of electrical signals when operated independently. A third set of electrical signals are generated when the side surface controls (106, 106'"'"') are operated in combination with the upper surface controls (104, 104'"'"'). Data entry system (100, 100'"'"') further includes mode selection controls (108) for establishing the first, second and third sets of electrical signals as device control signals responsive to a first mode being selected and respective sets of alphanumeric and keyboard control signals responsive to a second mode being selected.
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Citations
6 Claims
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1. A data entry system, comprising:
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an ergonomic base adapted to be graspable by two hands of a user, said ergonomic base having an upper surface and a side surface; upper surface control means disposed on said ergonomic base upper surface and adapted for operation by either of two of a user'"'"'s digits to generate a first set of electrical signals, said first set of electrical signals representing a first portion of alphabetic characters of an alphabet; and
,side surface control means disposed on said ergonomic base side surface and adapted for operation by at least another of a user'"'"'s digits on either of the user'"'"'s two hands to generate a second set of electrical signals when operated independently of said upper surface control means, said second set of electrical signals representing a second portion of alphabetic characters of the alphabet, said first and second portions of alphabetic characters together representing at least a majority of alphabetic characters of the alphabet, said side surface control means generating a third set of electrical signals when operated in combination with said upper surface control means. - View Dependent Claims (2, 3, 4, 5)
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6. A data entry system, comprising:
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an ergonomic base adapted to be graspable by two hands of a user, said ergonomic base having an upper surface and a side surface, said ergonomic base including a pair of hand grip portions extending angularly with respect to a plane defined by said upper surface, each of said hand grip portions being adapted to be grasped by the user'"'"'s fingers; upper surface control means disposed on said ergonomic base upper surface, said upper surface control means includes a plurality of first switches adapted for operation by a user'"'"'s thumbs to generate a first set of electrical signals, said first set of electrical signals representing a first portion of alphabetic characters of an alphabet; and
,side surface control means disposed on said pair of hand grip portions, said side surface control means including a plurality of second switches adapted for operation by other of a user'"'"'s fingers of the user'"'"'s two hands to generate a second set of electrical signals when operated independently of said upper surface control means, said second set of electrical signals representing a second portion of alphabetic characters of the alphabet, said first and second portions of alphabetic characters together representing at least a majority of alphabetic characters of the alphabet, said side surface control means generating a third set of electrical signals when operated in combination with said plurality of first switches.
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Specification