Personal digital assistant having a foldable keyboard component
October 21, 2018. 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 References D310093 D388456 Expandable keyboard for electronic pocket calculators and the like Foldable data collecting and processing device Keyboard for use with one hand having curvilinear and linear rows of keys Personal computer with folding and sliding keyboard Laptop computer with hinged keyboard Computer keyboard Folding keyboard Detachable folding keyboard device InventorsAssigneeApplicationNo. 176373 filed on 10/21/1998US Classes:400/82, INCLUDING PLURAL, INDEPENDENTLY SUPPORTED KEY-BOARDS, PLATENS, OR TYPE-SET ASSEMBLAGES400/88, POCKET TYPEWRITER400/100, PLURAL-KEY-ACTUATED TYPEWRITER (E.G., PERMUTATIVE KEY-BOARD)400/472, KEY-BOARD OR KEY LEVER-ACTUATING MECHANISM400/486, Key-board arranged according to character location400/489Key-board including keys grouped to facilitate positioning of typist's fingersExaminersPrimary: Burr, Edgar S.Assistant: Nolan, Charles H. Jr. Attorney, Agent or FirmInternational ClassB41J 003/54AbstractA computing assembly which comprises a hand held computer or PDA that contains a housing, a processor in said housing and an input/output arrangement in said housing coupled to said processor for inputting data to, and outputting data from the processor and a foldable keyboard electrically connected to the PDA. The foldable keyboard has first and second planar keyboard halves having a plurality of depressable keys arranged on a surface. The keyboard halves have complementary curved outer peripheral edges and are attached to one another by an intermediate hinge. When in the open position, the first keyboard half is substantially coplanar with the second keyboard half, and the peripheral edges of the first and second keyboard halves form a substantially continuous curvilinear path. When in the closed position, the first keyboard half is folded over, substantially congruent in shape with, and in a plane parallel to the plane of the second keyboard half. Means are provided for electrically connecting the first and second keyboard halves to the hand held computer.Other References
Field of SearchPLURAL-KEY-ACTUATED TYPEWRITER (E.G., PERMUTATIVE KEY-BOARD)Key-board arranged according to character location Key-board including keys grouped to facilitate positioning of typist's fingers By moving key-board relative to frame (e.g., into plural operating positions, etc.) POCKET TYPEWRITER KEY-BOARD OR KEY LEVER-ACTUATING MECHANISM INCLUDING PLURAL, INDEPENDENTLY SUPPORTED KEY-BOARDS, PLATENS, OR TYPE-SET ASSEMBLAGES Attachable to terminal housing Including keyboard support Including keyboard or keypad | |
