ELECTRONIC HAND HELD CALCULATORS

Brand Owner (click to sort) Address Description
ACCOLADE TEXAS INSTRUMENTS INCORPORATED 12500 TI Boulevard, MS 3999 Dallas TX 752434136 electronic hand-held calculators, personal organizers, and radio pagers with wireless messaging capability;
ACCORDIA TEXAS INSTRUMENTS INCORPORATED 12500 TI Boulevard, MS 3999 Dallas TX 752434136 electronic hand-held calculators, personal organizers, and radio pagers with wireless messaging capability;
ADVANTRA TEXAS INSTRUMENTS INCORPORATED 12500 TI Boulevard, MS 3999 Dallas TX 752434136 electronic hand-held calculators, personal organizers, and radio pagers with wireless messaging capability;
ALLIANT TEXAS INSTRUMENTS INCORPORATED 12500 TI Boulevard, MS 3999 Dallas TX 752434136 electronic hand-held calculators, personal organizers, and radio pagers with wireless messaging capability;
CADENCE TEXAS INSTRUMENTS INCORPORATED 12500 TI Boulevard, MS 3999 Dallas TX 752434136 electronic hand-held calculators, personal organizers, and radio pagers with wireless messaging capability;
CONCORD TEXAS INSTRUMENTS INCORPORATED 12500 TI Boulevard, MS 3999 Dallas TX 752434136 electronic hand-held calculators, organizers, and pagers with wireless messaging capability;
NAVIPRO TEXAS INSTRUMENTS INCORPORATED 12500 TI Boulevard, MS 3999 Dallas TX 752434136 electronic hand-held calculators, personal organizers, and radio pagers with wireless messaging capability;NAVY PRO;
SYNERGY TEXAS INSTRUMENTS INCORPORATED 12500 TI Boulevard, MS 3999 Dallas TX 752434136 electronic hand-held calculators, personal organizers, and radio pagers with wireless messaging capability;
VENTURA TEXAS INSTRUMENTS INCORPORATED 12500 TI Boulevard, MS 3999 Dallas TX 752434136 electronic hand-held calculators, personal organizers, and radio pagers with wireless capability;
VOYAGER TEXAS INSTRUMENTS INCORPORATED 12500 TI Boulevard, MS 3999 Dallas TX 752434136 electronic hand-held calculators, organizers, and pagers with wireless messaging capability;
 

Where the owner name is not linked, that owner no longer owns the brand

    
Technical Examples
  1. A hand-held electronic device with a keyboard optimized for use with the thumbs is disclosed. In order to operate within the limited space available on a hand-held electronic device, the present invention optimizes the placement and shape of the keys, preferably using keys that are oval or oblong in shape, and that are placed at angles designed to facilitate thumb-typing. The angles at which keys on either side of the keyboard are placed is complimentary.