Method for designing an ergonomic one-finger keyboard and apparatus therefor
June 1, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesMiniaturized calculator keyboard switch assembly having universally pivoted key actuators Data input system Keyboard with keys concentrated in clusters Finger operated switching apparatus Single-hand computer keyboard Keyboard for use in an information processing device Keyboard for use with one hand having curvilinear and linear rows of keys Key arrangements and methods of use Character input device having touch pen to activate input panel Ergonomic keyboard input device InventorAssigneeApplicationNo. 457042 filed on 06/01/1995US Classes:400/489, Key-board including keys grouped to facilitate positioning of typist's fingers235/145R, KEYBOARDS345/169Portable (i.e., handheld, calculator, remote controller)ExaminersPrimary: Yan, RenAttorney, Agent or FirmInternational ClassB41J 005/10AbstractAn improved keyboard design and method for manufacturing the same is provided for minimizing the distance of travel required in entering characters using a keyboard with a single data entry device. Such system is especially useful for use in small hand held computers, pen based systems and other devices in which data entry with a pen or a single finger is required.Field of SearchKEY-BOARD OR KEY LEVER-ACTUATING MECHANISMIncluding mechanism (e.g., auxiliary key-board) for activating keys For actuating function key only Including control of key action (e.g., buffer, etc.) Key-board arranged according to character location Key-board including keys grouped to facilitate positioning of typist's fingers KEYBOARDS Including keyboard or keypad Variable key legends Including keyboard Portable (i.e., handheld, calculator, remote controller) | |
